replace netty-http by net-http-netty-client, update to Java 17, update to gradle 7.5.1

elx-api/src/main/java/org/xbib/elx/api/BasicClient.java

@@ -3,12 +3,13 @@ package org.xbib.elx.api;
 import org.elasticsearch.client.ElasticsearchClient;
 import org.elasticsearch.common.settings.Settings;
 import java.io.Closeable;
+import java.io.IOException;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 
 public interface BasicClient extends Closeable {
 
-    boolean init(Settings settings, String info);
+    boolean init(Settings settings, String info) throws IOException;
 
     void putClusterSetting(String key, Object value, long timeout, TimeUnit timeUnit);
 

elx-common/build.gradle

@@ -1,6 +1,6 @@
 dependencies {
     api project(':elx-api')
     implementation libs.time
-    testImplementation libs.netty.http
+    testImplementation libs.net.http.netty.client
     testImplementation libs.es.plugin.transport.netty4
 }

elx-common/src/main/java/org/xbib/elx/common/AbstractBasicClient.java

@@ -68,7 +68,7 @@ public abstract class AbstractBasicClient implements BasicClient {
     }
 
     @Override
-    public boolean init(Settings settings, String infoString) {
+    public boolean init(Settings settings, String infoString) throws IOException {
         if (closed.compareAndSet(false, true)) {
             this.settings = settings;
             logger.log(Level.INFO, String.format("Elx: %s on %s %s %s Java: %s %s %s %s ES: %s %s",

elx-common/src/main/java/org/xbib/elx/common/AbstractBulkClient.java

@@ -40,7 +40,7 @@ public abstract class AbstractBulkClient extends AbstractBasicClient implements
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, info)) {
             bulkProcessor = new DefaultBulkProcessor(this, settings);
             return true;

elx-common/src/main/java/org/xbib/elx/common/AbstractSearchClient.java

@@ -42,7 +42,7 @@ public abstract class AbstractSearchClient extends AbstractBasicClient implement
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, info)) {
             if (settings.getAsBoolean(Parameters.SEARCH_METRIC_ENABLED.getName(),
                     Parameters.SEARCH_METRIC_ENABLED.getBoolean())) {

elx-common/src/main/java/org/xbib/elx/common/DaemonThreadFactory.java

@@ -13,8 +13,7 @@ public class DaemonThreadFactory implements ThreadFactory {
 
     public DaemonThreadFactory(String namePrefix) {
         this.namePrefix = namePrefix;
-        SecurityManager s = System.getSecurityManager();
-        group = s != null ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
+        this.group = Thread.currentThread().getThreadGroup();
     }
 
     @Override

elx-http/build.gradle

@@ -1,5 +1,5 @@
 dependencies{
     api project(':elx-common')
-    api libs.netty.http
+    api libs.net.http.netty.client
     api libs.es.plugin.transport.netty4
 }

elx-http/src/main/java/org/xbib/elx/http/HttpAction.java

@@ -1,9 +1,5 @@
 package org.xbib.elx.http;
 
-import io.netty.buffer.ByteBuf;
-import io.netty.handler.codec.http.HttpHeaderNames;
-import io.netty.handler.codec.http.HttpMethod;
-import io.netty.handler.codec.http.HttpResponseStatus;
 import org.apache.logging.log4j.Level;
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
@@ -23,9 +19,12 @@ import org.elasticsearch.common.xcontent.XContentType;
 import org.elasticsearch.rest.BytesRestResponse;
 import org.elasticsearch.rest.RestStatus;
 import org.xbib.net.URL;
-import org.xbib.netty.http.client.api.ClientTransport;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.HttpHeaderNames;
+import org.xbib.net.http.HttpMethod;
+import org.xbib.net.http.client.netty.HttpRequest;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.Interaction;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
@@ -57,17 +56,17 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
                 listener.onFailure(validationException);
                 return;
             }
-            Request.Builder httpRequestBuilder =
+            HttpRequestBuilder httpRequestBuilder =
                     createHttpRequest(httpActionContext.getUrl(), httpActionContext.getRequest());
-            Request httpRequest = httpRequestBuilder.build();
+            HttpRequest httpRequest = httpRequestBuilder.build();
             httpRequest.setResponseListener(fullHttpResponse -> {
                 if (logger.isTraceEnabled()) {
-                    logger.log(Level.TRACE, "got response: " + fullHttpResponse.getStatus().getCode() +
+                    logger.log(Level.TRACE, "got response: " + fullHttpResponse.getStatus().codeAsText() +
                             " headers = " + fullHttpResponse.getHeaders() +
-                            " content = " + fullHttpResponse.getBody().toString(StandardCharsets.UTF_8));
+                            " content = " + fullHttpResponse.getBodyAsChars(StandardCharsets.UTF_8));
                 }
                 httpActionContext.setHttpResponse(fullHttpResponse);
-                if (fullHttpResponse.getStatus().getCode() == HttpResponseStatus.OK.code()) {
+                if (fullHttpResponse.getStatus().code() == 200) {
                     listener.onResponse(parseToResponse(httpActionContext));
                 } else {
                     ElasticsearchStatusException statusException = parseToError(httpActionContext);
@@ -81,7 +80,7 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
             if (logger.isTraceEnabled()) {
                 logger.log(Level.TRACE, "executing HTTP request " + httpRequest);
             }
-            ClientTransport transport = httpActionContext.getExtendedHttpClient().internalClient().execute(httpRequest);
+            Interaction transport = httpActionContext.getExtendedHttpClient().internalClient().execute(httpRequest);
             httpActionContext.setHttpClientTransport(transport);
             if (transport.isFailed()) {
                 listener.onFailure(new Exception(transport.getFailure()));
@@ -92,68 +91,64 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
         }
     }
 
-    protected Request.Builder newGetRequest(String url, String path) {
+    protected HttpRequestBuilder newGetRequest(String url, String path) {
         return newRequest(HttpMethod.GET, url, path);
     }
 
-    protected Request.Builder newGetRequest(String url, String path, BytesReference content) {
+    protected HttpRequestBuilder newGetRequest(String url, String path, BytesReference content) {
         return newRequest(HttpMethod.GET, url, path, content);
     }
 
-    protected Request.Builder newHeadRequest(String url, String path) {
+    protected HttpRequestBuilder newHeadRequest(String url, String path) {
         return newRequest(HttpMethod.HEAD, url, path);
     }
 
-    protected Request.Builder newPostRequest(String url, String path) {
+    protected HttpRequestBuilder newPostRequest(String url, String path) {
         return newRequest(HttpMethod.POST, url, path);
     }
 
-    protected Request.Builder newPostRequest(String url, String path, BytesReference content) {
+    protected HttpRequestBuilder newPostRequest(String url, String path, BytesReference content) {
         return newRequest(HttpMethod.POST, url, path, content);
     }
 
-    protected Request.Builder newPostRequest(String url, String path, String content) {
+    protected HttpRequestBuilder newPostRequest(String url, String path, String content) {
         return newRequest(HttpMethod.POST, url, path, content);
     }
 
-    protected Request.Builder newPutRequest(String url, String path) {
+    protected HttpRequestBuilder newPutRequest(String url, String path) {
         return newRequest(HttpMethod.PUT, url, path);
     }
 
-    protected Request.Builder newPutRequest(String url, String path, String content) {
+    protected HttpRequestBuilder newPutRequest(String url, String path, String content) {
         return newRequest(HttpMethod.PUT, url, path, content);
     }
 
-    protected Request.Builder newPutRequest(String url, String path, BytesReference content) {
+    protected HttpRequestBuilder newPutRequest(String url, String path, BytesReference content) {
         return newRequest(HttpMethod.PUT, url, path, content);
     }
 
-    protected Request.Builder newDeleteRequest(String url, String path) {
+    protected HttpRequestBuilder newDeleteRequest(String url, String path) {
         return newRequest(HttpMethod.DELETE, url, path);
     }
 
-    protected Request.Builder newDeleteRequest(String url, String path, BytesReference content) {
+    protected HttpRequestBuilder newDeleteRequest(String url, String path, BytesReference content) {
         return newRequest(HttpMethod.DELETE, url, path, content);
     }
 
-    protected Request.Builder newRequest(HttpMethod method, String baseUrl, String path) {
-        return Request.builder(method).url(URL.from(baseUrl).resolve(path));
+    protected HttpRequestBuilder newRequest(HttpMethod method, String baseUrl, String path) {
+        return HttpRequest.builder(method).setURL(URL.from(baseUrl).resolve(path));
     }
 
-    protected Request.Builder newRequest(HttpMethod method, String baseUrl, String path, BytesReference content) {
-        return Request.builder(method).url(URL.from(baseUrl).resolve(path)).content(content.toBytesRef().bytes, APPLICATION_JSON);
+    protected HttpRequestBuilder newRequest(HttpMethod method, String baseUrl, String path, BytesReference content) {
+        return HttpRequest.builder(method).setURL(URL.from(baseUrl).resolve(path)).content(content.toBytesRef().bytes, APPLICATION_JSON);
     }
 
-    protected Request.Builder newRequest(HttpMethod method, String baseUrl, String path, String content) {
-        return Request.builder(method).url(URL.from(baseUrl).resolve(path)).content(content, APPLICATION_JSON);
-    }
-
-    protected Request.Builder newRequest(HttpMethod method, String baseUrl, String path, ByteBuf byteBuf) {
-        return Request.builder(method).url(URL.from(baseUrl).resolve(path)).content(byteBuf, APPLICATION_JSON);
+    protected HttpRequestBuilder newRequest(HttpMethod method, String baseUrl, String path, String content) {
+        return HttpRequest.builder(method).setURL(URL.from(baseUrl).resolve(path)).content(content, APPLICATION_JSON);
     }
 
     protected T parseToResponse(HttpActionContext<R, T> httpActionContext) {
-        String mediaType = httpActionContext.getHttpResponse().getHeaders().getHeader(HttpHeaderNames.CONTENT_TYPE);
+        String mediaType = httpActionContext.getHttpResponse().getHeaders().get(HttpHeaderNames.CONTENT_TYPE);
         XContentType xContentType = XContentType.fromMediaTypeOrFormat(mediaType);
         if (xContentType == null) {
             throw new IllegalStateException("unsupported content-type: " + mediaType);
@@ -161,13 +156,13 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
         try (XContentParser parser = xContentType.xContent()
                 .createParser(httpActionContext.getExtendedHttpClient().getRegistry(),
                 DeprecationHandler.THROW_UNSUPPORTED_OPERATION,
-                httpActionContext.getHttpResponse().getBody().toString(StandardCharsets.UTF_8))) {
+                httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8).toString())) {
             return entityParser(httpActionContext.getHttpResponse()).apply(parser);
         } catch (Throwable e) {
             // catch all kinds of errors in the entity parsing process
             logger.error(e.getMessage(), e);
-            logger.error("status = " + httpActionContext.getHttpResponse().getStatus().getCode());
-            logger.error("body = " + httpActionContext.getHttpResponse().getBodyAsString(StandardCharsets.UTF_8));
+            logger.error("status = " + httpActionContext.getHttpResponse().getStatus().code());
+            logger.error("body = " + httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8));
             return null;
         }
     }
@@ -177,7 +172,7 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
         try (XContentParser parser = XContentFactory.xContent(XContentType.JSON)
                 .createParser(httpActionContext.getExtendedHttpClient().getRegistry(),
                         DeprecationHandler.THROW_UNSUPPORTED_OPERATION,
-                        httpActionContext.getHttpResponse().getBody().toString(StandardCharsets.UTF_8))) {
+                        httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8).toString())) {
             return errorParser().apply(parser);
         } catch (Exception e) {
             logger.error(e.getMessage(), e);
@@ -189,7 +184,7 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
         return BytesRestResponse::errorFromXContent;
     }
 
-    protected abstract Request.Builder createHttpRequest(String baseUrl, R request) throws IOException;
+    protected abstract HttpRequestBuilder createHttpRequest(String baseUrl, R request) throws IOException;
 
     protected abstract CheckedFunction<XContentParser, T, IOException> entityParser(HttpResponse httpResponse);
 }

elx-http/src/main/java/org/xbib/elx/http/HttpActionContext.java

@@ -2,8 +2,8 @@ package org.xbib.elx.http;
 
 import org.elasticsearch.action.ActionRequest;
 import org.elasticsearch.action.ActionResponse;
-import org.xbib.netty.http.client.api.ClientTransport;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.Interaction;
 
 /**
  * HTTP action context.
@@ -19,7 +19,7 @@ public class HttpActionContext<R extends ActionRequest, T extends ActionResponse
 
     private final String url;
 
-    private ClientTransport httpClientTransport;
+    private Interaction httpClientTransport;
 
     private HttpResponse httpResponse;
 
@@ -41,11 +41,11 @@ public class HttpActionContext<R extends ActionRequest, T extends ActionResponse
         return url;
     }
 
-    public void setHttpClientTransport(ClientTransport httpClientTransport) {
+    public void setHttpClientTransport(Interaction httpClientTransport) {
         this.httpClientTransport = httpClientTransport;
     }
 
-    public ClientTransport getHttpClientTransport() {
+    public Interaction getHttpClientTransport() {
         return httpClientTransport;
     }
 

elx-http/src/main/java/org/xbib/elx/http/HttpAdminClient.java

@@ -10,6 +10,8 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.xbib.elx.common.AbstractAdminClient;
 
+import java.io.IOException;
+
 /**
  * Elasticsearch HTTP admin client.
  */
@@ -23,7 +25,7 @@ public class HttpAdminClient extends AbstractAdminClient implements Elasticsearc
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, "Netty: " + io.netty.util.Version.identify())) {
             helper.init(settings);
             return true;

elx-http/src/main/java/org/xbib/elx/http/HttpBulkClient.java

@@ -10,6 +10,8 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.xbib.elx.common.AbstractBulkClient;
 
+import java.io.IOException;
+
 /**
  * Elasticsearch HTTP bulk client.
  */
@@ -23,7 +25,7 @@ public class HttpBulkClient extends AbstractBulkClient implements ElasticsearchC
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, io.netty.util.Version.identify().toString())) {
             helper.init(settings);
             return true;

elx-http/src/main/java/org/xbib/elx/http/HttpClientHelper.java

@@ -15,8 +15,10 @@ import org.elasticsearch.common.xcontent.NamedXContentRegistry;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.xbib.elx.common.Parameters;
 import org.xbib.net.URL;
-import org.xbib.netty.http.client.Client;
-import org.xbib.netty.http.common.HttpAddress;
+import org.xbib.net.http.HttpAddress;
+import org.xbib.net.http.client.netty.NettyHttpClient;
+import org.xbib.net.http.client.netty.NettyHttpClientBuilder;
+import org.xbib.net.http.client.netty.NettyHttpClientConfig;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -37,7 +39,7 @@ public class HttpClientHelper {
 
     private static final Logger logger = LogManager.getLogger(HttpClientHelper.class);
 
-    private Client nettyHttpClient;
+    private NettyHttpClient nettyHttpClient;
 
     private final ClassLoader classLoader;
 
@@ -64,7 +66,7 @@ public class HttpClientHelper {
     }
 
     @SuppressWarnings({"unchecked", "rawtypes"})
-    public void init(Settings settings) {
+    public void init(Settings settings) throws IOException {
         HttpAddress httpAddress;
         if (settings.hasValue("url")) {
             this.url = settings.get("url");
@@ -85,18 +87,15 @@ public class HttpClientHelper {
             httpAction.setSettings(settings);
             actionMap.put(httpAction.getActionInstance(), httpAction);
         }
-        Client.Builder clientBuilder = Client.builder();
-        if (settings.getAsBoolean("pool.enabled", true)) {
-            clientBuilder.addPoolNode(httpAddress)
-                    .setPoolNodeConnectionLimit(settings.getAsInt("pool.limit", Runtime.getRuntime().availableProcessors()));
-        }
+        NettyHttpClientConfig clientConfig = new NettyHttpClientConfig();
         if (settings.hasValue("debug")) {
-            clientBuilder.enableDebug();
+            clientConfig.enableDebug();
         }
-        this.nettyHttpClient = clientBuilder.build();
+        NettyHttpClientBuilder clientBuilder = NettyHttpClient.builder().setConfig(clientConfig);
+        this.nettyHttpClient =  clientBuilder.build();
         if (logger.isDebugEnabled()) {
-            logger.log(Level.DEBUG, "HTTP client initialized, pooled = {}, settings = {}, url = {}, {} actions",
-                    nettyHttpClient.isPooled(), settings, url, actionMap.size());
+            logger.log(Level.DEBUG, "HTTP client initialized, settings = {}, url = {}, {} actions",
+                    settings, url, actionMap.size());
         }
     }
 
@@ -108,14 +107,14 @@ public class HttpClientHelper {
         return registry;
     }
 
-    public Client internalClient() {
+    public NettyHttpClient internalClient() {
         return nettyHttpClient;
     }
 
     protected void closeClient(Settings settings) {
         if (closed.compareAndSet(false, true)) {
             try {
-                nettyHttpClient.shutdownGracefully();
+                nettyHttpClient.close();
             } catch (IOException e) {
                 logger.log(Level.WARN, e.getMessage(), e);
             }

elx-http/src/main/java/org/xbib/elx/http/HttpSearchClient.java

@@ -10,6 +10,8 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.threadpool.ThreadPool;
 import org.xbib.elx.common.AbstractSearchClient;
 
+import java.io.IOException;
+
 /**
  * Elasticsearch HTTP search client.
  */
@@ -23,7 +25,7 @@ public class HttpSearchClient extends AbstractSearchClient implements Elasticsea
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, "Netty: " + io.netty.util.Version.identify())) {
             helper.init(settings);
             return true;

elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/health/HttpClusterHealthAction.java

@@ -6,8 +6,8 @@ import org.elasticsearch.action.admin.cluster.health.ClusterHealthResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -19,7 +19,7 @@ public class HttpClusterHealthAction extends HttpAction<ClusterHealthRequest, Cl
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, ClusterHealthRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, ClusterHealthRequest request) {
         return newGetRequest(url, "/_cluster/health");
     }
 

elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/node/info/HttpNodesInfoAction.java

@@ -6,16 +6,13 @@ import org.elasticsearch.action.admin.cluster.node.info.NodesInfoResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 import java.util.LinkedList;
 import java.util.List;
 
-/**
- *
- */
 public class HttpNodesInfoAction extends HttpAction<NodesInfoRequest, NodesInfoResponse> {
 
     @Override
@@ -26,12 +23,12 @@ public class HttpNodesInfoAction extends HttpAction<NodesInfoRequest, NodesInfoR
     /**
      * Endpoint "/_nodes/{nodeId}/{metrics}"
      *
-     * @param url url
+     * @param url     url
      * @param request request
      * @return HTTP request
      */
     @Override
-    protected Request.Builder createHttpRequest(String url, NodesInfoRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, NodesInfoRequest request) {
         StringBuilder path = new StringBuilder("/_nodes");
         if (request.nodesIds() != null) {
             String nodeIds = String.join(",", request.nodesIds());

elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/settings/HttpClusterUpdateSettingsAction.java

@@ -9,8 +9,8 @@ import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 import java.io.UncheckedIOException;
@@ -25,7 +25,7 @@ public class HttpClusterUpdateSettingsAction extends HttpAction<ClusterUpdateSet
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, ClusterUpdateSettingsRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, ClusterUpdateSettingsRequest request) {
         try {
             XContentBuilder builder = jsonBuilder();
             builder.startObject().startObject("persistent");

elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/state/HttpClusterStateAction.java

@@ -22,8 +22,8 @@ import org.elasticsearch.common.settings.Settings;
 import org.elasticsearch.common.xcontent.NamedObjectNotFoundException;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -48,7 +48,7 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, ClusterStateRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, ClusterStateRequest request) {
         List<String> list = new ArrayList<>();
         if (request.metadata()) {
             list.add("metadata");

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/HttpIndicesAliasesAction.java

@@ -11,8 +11,8 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.json.JsonXContent;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -24,7 +24,7 @@ public class HttpIndicesAliasesAction extends HttpAction<IndicesAliasesRequest,
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, IndicesAliasesRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, IndicesAliasesRequest request) {
         try {
             XContentBuilder builder = JsonXContent.contentBuilder();
             request.toXContent(builder, ToXContent.EMPTY_PARAMS);

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/get/HttpGetAliasAction.java

@@ -9,8 +9,8 @@ import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 import java.util.ArrayList;
@@ -21,7 +21,7 @@ import static org.elasticsearch.common.xcontent.XContentParserUtils.ensureExpect
 public class HttpGetAliasAction extends HttpAction<GetAliasesRequest, GetAliasesResponse> {
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetAliasesRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, GetAliasesRequest request) {
         // beware of this inconsistency, request.indices() always return empty array
         String index = request.indices() != null ? String.join(",", request.indices()) + "/" : "";
         String aliases = request.aliases() != null ? String.join(",", request.aliases()) + "/" : "";

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/create/HttpCreateIndexAction.java

@@ -10,8 +10,8 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -23,7 +23,7 @@ public class HttpCreateIndexAction extends HttpAction<CreateIndexRequest, Create
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, CreateIndexRequest createIndexRequest) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String url, CreateIndexRequest createIndexRequest) throws IOException {
         XContentBuilder builder = createIndexRequest.toXContent(XContentFactory.jsonBuilder(), ToXContent.EMPTY_PARAMS);
         return newPutRequest(url, "/" + createIndexRequest.index() + "?include_type_name=true",
                 BytesReference.bytes(builder));

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/delete/HttpDeleteIndexAction.java

@@ -6,8 +6,8 @@ import org.elasticsearch.action.support.master.AcknowledgedResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -19,7 +19,7 @@ public class HttpDeleteIndexAction extends HttpAction<DeleteIndexRequest, Acknow
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, DeleteIndexRequest deleteIndexRequest) {
+    protected HttpRequestBuilder createHttpRequest(String url, DeleteIndexRequest deleteIndexRequest) {
         return newDeleteRequest(url, "/" + String.join(",", deleteIndexRequest.indices()));
     }
 

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/exists/indices/HttpIndicesExistsAction.java

@@ -9,8 +9,8 @@ import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.rest.RestStatus;
 import org.xbib.elx.http.HttpAction;
 import org.xbib.elx.http.HttpActionContext;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -22,7 +22,7 @@ public class HttpIndicesExistsAction extends HttpAction<IndicesExistsRequest, In
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, IndicesExistsRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, IndicesExistsRequest request) {
         String index = String.join(",", request.indices());
         return newHeadRequest(url, index);
     }
@@ -39,7 +39,7 @@ public class HttpIndicesExistsAction extends HttpAction<IndicesExistsRequest, In
 
     @Override
     protected CheckedFunction<XContentParser, IndicesExistsResponse, IOException> entityParser(HttpResponse httpResponse) {
-        return httpResponse.getStatus().getCode() == 200 ? this::found : this::notfound;
+        return httpResponse.getStatus().code() == 200 ? this::found : this::notfound;
     }
 
     private IndicesExistsResponse found(XContentParser parser) {

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HtppGetIndexAction.java

@@ -6,8 +6,9 @@ import org.elasticsearch.action.admin.indices.get.GetIndexResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
 import java.io.IOException;
 import java.util.Arrays;
 import java.util.List;
@@ -20,7 +21,7 @@ public class HtppGetIndexAction extends HttpAction<GetIndexRequest, GetIndexResp
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetIndexRequest getIndexRequest) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String url, GetIndexRequest getIndexRequest) throws IOException {
         List<String> list =  getIndexRequest.indices().length == 0 ?
                 List.of("*") : Arrays.asList(getIndexRequest.indices());
         String command = "/" + String.join(",", list);

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/mapping/get/HttpGetMappingsAction.java

@@ -9,8 +9,9 @@ import org.elasticsearch.common.ParseField;
 import org.elasticsearch.common.collect.ImmutableOpenMap;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
 import java.io.IOException;
 import java.util.Map;
 
@@ -24,7 +25,7 @@ public class HttpGetMappingsAction extends HttpAction<GetMappingsRequest, GetMap
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetMappingsRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, GetMappingsRequest request) {
         String index = request.indices() != null ? "/" + String.join(",", request.indices()) : "";
         return newGetRequest(url, index + "/_mapping");
     }

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/refresh/HttpRefreshIndexAction.java

@@ -6,8 +6,8 @@ import org.elasticsearch.action.admin.indices.refresh.RefreshResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -19,7 +19,7 @@ public class HttpRefreshIndexAction extends HttpAction<RefreshRequest, RefreshRe
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, RefreshRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, RefreshRequest request) {
         String index = request.indices() != null ? String.join(",", request.indices()) + "/" : "";
         return newPostRequest(url, "/" + index + "_refresh");
     }

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/settings/get/HttpGetSettingsAction.java

@@ -6,8 +6,8 @@ import org.elasticsearch.action.admin.indices.settings.get.GetSettingsResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -19,7 +19,7 @@ public class HttpGetSettingsAction extends HttpAction<GetSettingsRequest, GetSet
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetSettingsRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, GetSettingsRequest request) {
         // beware, request.indices() is always an empty array
         String index = request.indices() != null ? String.join(",", request.indices()) + "/" : "";
         return newGetRequest(url, index + "_settings");

elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/settings/put/HttpUpdateSettingsAction.java

@@ -10,8 +10,8 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 import java.io.UncheckedIOException;
@@ -24,7 +24,7 @@ public class HttpUpdateSettingsAction extends HttpAction<UpdateSettingsRequest,
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, UpdateSettingsRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, UpdateSettingsRequest request) {
         try {
             XContentBuilder builder = XContentFactory.jsonBuilder();
             builder.startObject();

elx-http/src/main/java/org/xbib/elx/http/action/bulk/HttpBulkAction.java

@@ -12,8 +12,8 @@ import org.elasticsearch.common.xcontent.XContentHelper;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -25,7 +25,7 @@ public class HttpBulkAction extends HttpAction<BulkRequest, BulkResponse> {
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, BulkRequest request) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String url, BulkRequest request) throws IOException {
         StringBuilder bulkContent = new StringBuilder();
         for (DocWriteRequest<?> actionRequest : request.requests()) {
             if (actionRequest instanceof IndexRequest) {

elx-http/src/main/java/org/xbib/elx/http/action/get/HttpExistsAction.java

@@ -7,8 +7,8 @@ import org.elasticsearch.action.get.GetResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -20,7 +20,7 @@ public class HttpExistsAction extends HttpAction<GetRequest, GetResponse> {
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, GetRequest request) {
         return newHeadRequest(url, "/" + request.index() + "/_doc/" + request.id());
     }
 

elx-http/src/main/java/org/xbib/elx/http/action/get/HttpGetAction.java

@@ -7,8 +7,8 @@ import org.elasticsearch.action.get.GetResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -20,7 +20,7 @@ public class HttpGetAction extends HttpAction<GetRequest, GetResponse> {
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, GetRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, GetRequest request) {
         return newGetRequest(url, "/" + request.index() + "/_doc/" + request.id());
     }
 

elx-http/src/main/java/org/xbib/elx/http/action/get/HttpMultiGetAction.java

@@ -10,8 +10,9 @@ import org.elasticsearch.common.xcontent.XContentHelper;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
 import java.io.IOException;
 
 public class HttpMultiGetAction extends HttpAction<MultiGetRequest, MultiGetResponse> {
@@ -22,7 +23,7 @@ public class HttpMultiGetAction extends HttpAction<MultiGetRequest, MultiGetResp
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, MultiGetRequest request) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String url, MultiGetRequest request) throws IOException {
         BytesReference source = XContentHelper.toXContent(request, XContentType.JSON, false);
         return newGetRequest(url, "/_mget", source);
     }

elx-http/src/main/java/org/xbib/elx/http/action/index/HttpIndexAction.java

@@ -8,8 +8,8 @@ import org.elasticsearch.action.index.IndexResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -21,7 +21,7 @@ public class HttpIndexAction extends HttpAction<IndexRequest, IndexResponse> {
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, IndexRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, IndexRequest request) {
         String optype = request.opType() == DocWriteRequest.OpType.CREATE ? "_create" : "_doc";
         return newPutRequest(url, "/" + request.index() + "/" + optype + "/" + request.id(),
                 request.source());

elx-http/src/main/java/org/xbib/elx/http/action/main/HttpMainAction.java

@@ -7,8 +7,8 @@ import org.elasticsearch.action.main.MainResponse;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -20,7 +20,7 @@ public class HttpMainAction extends HttpAction<MainRequest, MainResponse> {
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, MainRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, MainRequest request) {
         return newGetRequest(url, "/");
     }
 

elx-http/src/main/java/org/xbib/elx/http/action/search/HttpClearScrollAction.java

@@ -10,8 +10,9 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.json.JsonXContent;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
 import java.io.IOException;
 
 public class HttpClearScrollAction extends HttpAction<ClearScrollRequest, ClearScrollResponse> {
@@ -22,7 +23,7 @@ public class HttpClearScrollAction extends HttpAction<ClearScrollRequest, ClearS
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String baseUrl, ClearScrollRequest request) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String baseUrl, ClearScrollRequest request) throws IOException {
         XContentBuilder builder = JsonXContent.contentBuilder();
         request.toXContent(builder, ToXContent.EMPTY_PARAMS);
         return newDeleteRequest(baseUrl, "_search/scroll", BytesReference.bytes(builder));

elx-http/src/main/java/org/xbib/elx/http/action/search/HttpSearchAction.java

@@ -7,8 +7,8 @@ import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.search.Scroll;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -20,7 +20,7 @@ public class HttpSearchAction extends HttpAction<SearchRequest, SearchResponse>
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, SearchRequest request) {
+    protected HttpRequestBuilder createHttpRequest(String url, SearchRequest request) {
         Scroll scroll = request.scroll();
         String params = scroll != null ? "?scroll=" + scroll.keepAlive() : "";
         String index = request.indices() != null ? String.join(",", request.indices()) + "/" : "";

elx-http/src/main/java/org/xbib/elx/http/action/search/HttpSearchScrollAction.java

@@ -10,8 +10,9 @@ import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.json.JsonXContent;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
 import java.io.IOException;
 
 public class HttpSearchScrollAction extends HttpAction<SearchScrollRequest, SearchResponse> {
@@ -22,7 +23,7 @@ public class HttpSearchScrollAction extends HttpAction<SearchScrollRequest, Sear
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String baseUrl, SearchScrollRequest request) throws IOException {
+    protected HttpRequestBuilder createHttpRequest(String baseUrl, SearchScrollRequest request) throws IOException {
         XContentBuilder builder = JsonXContent.contentBuilder();
         request.toXContent(builder, ToXContent.EMPTY_PARAMS);
         return newPostRequest(baseUrl, "_search/scroll", BytesReference.bytes(builder));

elx-http/src/main/java/org/xbib/elx/http/action/update/HttpUpdateAction.java

@@ -11,8 +11,8 @@ import org.elasticsearch.common.xcontent.XContentHelper;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.xbib.elx.http.HttpAction;
-import org.xbib.netty.http.client.api.Request;
-import org.xbib.netty.http.common.HttpResponse;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
 
@@ -24,7 +24,7 @@ public class HttpUpdateAction extends HttpAction<UpdateRequest, UpdateResponse>
     }
 
     @Override
-    protected Request.Builder createHttpRequest(String url, UpdateRequest updateRequest) {
+    protected HttpRequestBuilder createHttpRequest(String url, UpdateRequest updateRequest) {
         try {
             // The Java API allows update requests with different content types
             // set for the partial document and the upsert document. This client

elx-transport/src/main/java/org/xbib/elx/transport/TransportAdminClient.java

@@ -5,6 +5,8 @@ import org.elasticsearch.client.transport.TransportClient;
 import org.elasticsearch.common.settings.Settings;
 import org.xbib.elx.common.AbstractAdminClient;
 
+import java.io.IOException;
+
 /**
  * Transport admin client.
  */
@@ -23,7 +25,7 @@ public class TransportAdminClient extends AbstractAdminClient {
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, "Netty: " + io.netty.util.Version.identify())) {
             helper.init((TransportClient) getClient(), settings);
             return true;

elx-transport/src/main/java/org/xbib/elx/transport/TransportBulkClient.java

@@ -5,6 +5,8 @@ import org.elasticsearch.client.transport.TransportClient;
 import org.elasticsearch.common.settings.Settings;
 import org.xbib.elx.common.AbstractBulkClient;
 
+import java.io.IOException;
+
 /**
  * Transport search client with additional methods.
  */
@@ -23,7 +25,7 @@ public class TransportBulkClient extends AbstractBulkClient {
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, "Netty: " + io.netty.util.Version.identify())) {
             helper.init((TransportClient) getClient(), settings);
             return true;

elx-transport/src/main/java/org/xbib/elx/transport/TransportSearchClient.java

@@ -5,6 +5,8 @@ import org.elasticsearch.client.transport.TransportClient;
 import org.elasticsearch.common.settings.Settings;
 import org.xbib.elx.common.AbstractSearchClient;
 
+import java.io.IOException;
+
 /**
  * Transport search client with additional methods.
  */
@@ -23,7 +25,7 @@ public class TransportSearchClient extends AbstractSearchClient {
     }
 
     @Override
-    public boolean init(Settings settings, String info) {
+    public boolean init(Settings settings, String info) throws IOException {
         if (super.init(settings, "Netty: " + io.netty.util.Version.identify())) {
             helper.init((TransportClient) getClient(), settings);
             return true;

gradle.properties

@@ -1,5 +1,5 @@
 group = org.xbib
 name = elx
-version = 7.10.2.22
+version = 7.10.2.23
 
 org.gradle.warning.mode = ALL

gradle/compile/java.gradle

@@ -5,13 +5,13 @@ java {
 }
 
 compileJava {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 compileTestJava {
-    sourceCompatibility = JavaVersion.VERSION_11
-    targetCompatibility = JavaVersion.VERSION_11
+    sourceCompatibility = JavaVersion.VERSION_17
+    targetCompatibility = JavaVersion.VERSION_17
 }
 
 jar {
@@ -34,10 +34,11 @@ artifacts {
 }
 
 tasks.withType(JavaCompile) {
-    // TransportClient is deprecated
-    options.compilerArgs << '-Xlint:all,-deprecation'
+    options.compilerArgs.add('-Xlint:all')
+    options.encoding = 'UTF-8'
 }
 
-javadoc {
+tasks.withType(Javadoc) {
     options.addStringOption('Xdoclint:none', '-quiet')
+    options.encoding = 'UTF-8'
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.4.2-all.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-all.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

gradlew

@@ -205,6 +205,12 @@ set -- \
         org.gradle.wrapper.GradleWrapperMain \
         "$@"
 
+# Stop when "xargs" is not available.
+if ! command -v xargs >/dev/null 2>&1
+then
+    die "xargs is not available"
+fi
+
 # Use "xargs" to parse quoted args.
 #
 # With -n1 it outputs one arg per line, with the quotes and backslashes removed.

gradlew.bat

@@ -14,7 +14,7 @@
 @rem limitations under the License.
 @rem
 
-@if "%DEBUG%" == "" @echo off
+@if "%DEBUG%"=="" @echo off
 @rem ##########################################################################
 @rem
 @rem  Gradle startup script for Windows
@@ -25,7 +25,7 @@
 if "%OS%"=="Windows_NT" setlocal
 
 set DIRNAME=%~dp0
-if "%DIRNAME%" == "" set DIRNAME=.
+if "%DIRNAME%"=="" set DIRNAME=.
 set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
@@ -40,7 +40,7 @@ if defined JAVA_HOME goto findJavaFromJavaHome
 
 set JAVA_EXE=java.exe
 %JAVA_EXE% -version >NUL 2>&1
-if "%ERRORLEVEL%" == "0" goto execute
+if %ERRORLEVEL% equ 0 goto execute
 
 echo.
 echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
@@ -75,13 +75,15 @@ set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
 
 :end
 @rem End local scope for the variables with windows NT shell
-if "%ERRORLEVEL%"=="0" goto mainEnd
+if %ERRORLEVEL% equ 0 goto mainEnd
 
 :fail
 rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
 rem the _cmd.exe /c_ return code!
-if  not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
-exit /b 1
+set EXIT_CODE=%ERRORLEVEL%
+if %EXIT_CODE% equ 0 set EXIT_CODE=1
+if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
+exit /b %EXIT_CODE%
 
 :mainEnd
 if "%OS%"=="Windows_NT" endlocal

settings.gradle

@@ -1,16 +1,16 @@
 dependencyResolutionManagement {
     versionCatalogs {
         libs {
-            version('gradle', '7.5')
-            version('junit', '5.8.2')
+            version('gradle', '7.5.1')
+            version('junit', '5.9.1')
             version('elasticsearch', '7.10.2')
             version('lucene', '8.7.0')
             version('log4j', '2.17.1') // ES 7.10.2 uses log4j2 2.11.1
             library('junit-jupiter-api', 'org.junit.jupiter', 'junit-jupiter-api').versionRef('junit')
             library('junit-jupiter-params', 'org.junit.jupiter', 'junit-jupiter-params').versionRef('junit')
             library('junit-jupiter-engine', 'org.junit.jupiter', 'junit-jupiter-engine').versionRef('junit')
-            library('hamcrest', 'org.hamcrest:hamcrest-library:2.2')
-            library('junit4', 'junit:junit:4.13.2')
+            library('hamcrest', 'org.hamcrest', 'hamcrest-library').version('2.2')
+            library('junit4', 'junit', 'junit').version('4.13.2')
             library('log4j-api', 'org.apache.logging.log4j', 'log4j-api').versionRef('log4j')
             library('log4j-core', 'org.apache.logging.log4j', 'log4j-core').versionRef('log4j')
             library('log4j-slf4j', 'org.apache.logging.log4j', 'log4j-slf4j-impl').versionRef('log4j')
@@ -27,9 +27,11 @@ dependencyResolutionManagement {
             library('joda', 'joda-time', 'joda-time').version('2.10.4')
             library('tdigest', 'com.tdunning', 't-digest').version('3.2')
             library('es-plugin-transport-netty4', 'org.elasticsearch.plugin', 'transport-netty4-client').versionRef('elasticsearch')
-            library('jackson', 'com.fasterxml.jackson.core', 'jackson-core').version('2.12.7') // ES 7.10.2 uses Jackson 2.10.4
-            library('netty-http', 'org.xbib', 'netty-http-client').version('4.1.77.0') // ES 7.10.2 uses Netty 4.1.49
-            library('metrics', 'org.xbib', 'metrics-common').version('2.2.0')
+            // ES 7.10.2 uses Jackson 2.10.4
+            library('jackson', 'com.fasterxml.jackson.core', 'jackson-core').version('2.12.7')
+            // ES 7.10.2 uses Netty 4.1.49
+            library('net-http-netty-client', 'org.xbib', 'net-http-client-netty').version('3.0.0')
+            library('metrics', 'org.xbib', 'metrics-common').version('3.0.0')
             library('time', 'org.xbib', 'time').version('2.1.0')
         }
     }