diff --git a/elx-http/src/main/java/org/xbib/elx/http/HttpAction.java b/elx-http/src/main/java/org/xbib/elx/http/HttpAction.java
index 31397d4..3ebafba 100644
--- a/elx-http/src/main/java/org/xbib/elx/http/HttpAction.java
+++ b/elx-http/src/main/java/org/xbib/elx/http/HttpAction.java
@@ -60,18 +60,19 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
                     createHttpRequest(httpActionContext.getUrl(), httpActionContext.getRequest());
             HttpRequest httpRequest = httpRequestBuilder.build();
             httpRequest.setResponseListener(fullHttpResponse -> {
+                httpActionContext.setHttpResponse(fullHttpResponse);
+                String content = httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8).toString();
                 if (logger.isTraceEnabled()) {
                     logger.log(Level.TRACE, "got response: " + fullHttpResponse.getStatus().codeAsText() +
                             " headers = " + fullHttpResponse.getHeaders() +
-                            " content = " + fullHttpResponse.getBodyAsChars(StandardCharsets.UTF_8));
+                            " content = " + content);
                 }
-                httpActionContext.setHttpResponse(fullHttpResponse);
                 if (fullHttpResponse.getStatus().code() == 200) {
-                    listener.onResponse(parseToResponse(httpActionContext));
+                    listener.onResponse(parseToResponse(httpActionContext, content));
                 } else {
-                    ElasticsearchStatusException statusException = parseToError(httpActionContext);
+                    ElasticsearchStatusException statusException = parseToError(httpActionContext, content);
                     if (statusException.status().equals(RestStatus.NOT_FOUND)) {
-                        listener.onResponse(parseToResponse(httpActionContext));
+                        listener.onResponse(parseToResponse(httpActionContext, content));
                     } else {
                         listener.onFailure(statusException);
                     }
@@ -147,7 +148,7 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
         return HttpRequest.builder(method).setURL(URL.from(baseUrl).resolve(path)).content(content, APPLICATION_JSON);
     }
 
-    protected T parseToResponse(HttpActionContext<R, T> httpActionContext) {
+    protected T parseToResponse(HttpActionContext<R, T> httpActionContext, String content) {
         String mediaType = httpActionContext.getHttpResponse().getHeaders().get(HttpHeaderNames.CONTENT_TYPE);
         XContentType xContentType = XContentType.fromMediaTypeOrFormat(mediaType);
         if (xContentType == null) {
@@ -156,23 +157,24 @@ 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().getBodyAsChars(StandardCharsets.UTF_8).toString())) {
+                content)) {
             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().code());
-            logger.error("body = " + httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8));
+            logger.error("body = " + content);
             return null;
         }
     }
 
-    protected ElasticsearchStatusException parseToError(HttpActionContext<R, T> httpActionContext) {
+    protected ElasticsearchStatusException parseToError(HttpActionContext<R, T> httpActionContext,
+                                                        String content) {
         // we assume a non-empty, valid JSON response body. If there is none, this method must be overriden.
         try (XContentParser parser = XContentFactory.xContent(XContentType.JSON)
                 .createParser(httpActionContext.getExtendedHttpClient().getRegistry(),
                         DeprecationHandler.THROW_UNSUPPORTED_OPERATION,
-                        httpActionContext.getHttpResponse().getBodyAsChars(StandardCharsets.UTF_8).toString())) {
+                        content)) {
             return errorParser().apply(parser);
         } catch (Exception e) {
             logger.error(e.getMessage(), e);
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/state/HttpClusterStateAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/state/HttpClusterStateAction.java
index 5e20629..4f28be9 100644
--- a/elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/state/HttpClusterStateAction.java
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/cluster/state/HttpClusterStateAction.java
@@ -2,7 +2,6 @@ package org.xbib.elx.http.action.admin.cluster.state;
 
 import com.carrotsearch.hppc.LongArrayList;
 import org.apache.logging.log4j.Level;
-import org.elasticsearch.Version;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateAction;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateRequest;
 import org.elasticsearch.action.admin.cluster.state.ClusterStateResponse;
@@ -26,6 +25,7 @@ import org.xbib.net.http.client.HttpResponse;
 import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.HashSet;
 import java.util.List;
@@ -98,7 +98,7 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
             if (METADATA.equals(currentFieldName)) {
                 parser.nextToken();
                 // MetaData.fromXContent(parser) is broken (Expected [meta-data] as a field name but got cluster_uuid)
-                // so we have to replace it
+                // so we have to replace it by our code.
                 builder.metadata(metadataFromXContent(parser));
             }
         }
@@ -123,8 +123,8 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
                     builder.persistentSettings(Settings.fromXContent(parser));
                 } else if ("indices".equals(currentFieldName)) {
                     while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
+                        // see IndexMetadata.Builder.fromXContent(parser)
                         builder.put(indexMetaDataFromXContent(parser), false);
-                        // builder.put(IndexMetadata.Builder.fromXContent(parser), false);
                     }
                 } else if ("hashes_of_consistent_settings".equals(currentFieldName)) {
                     builder.hashesOfConsistentSettings(parser.mapStrings());
@@ -145,9 +145,9 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
                 }
             } else if (token.isValue()) {
                 if ("version".equals(currentFieldName)) {
-                    // private field
+                    // skip
                 } else if ("cluster_uuid".equals(currentFieldName) || "uuid".equals(currentFieldName)) {
-                    // private field
+                    // skip
                 } else if ("cluster_uuid_committed".equals(currentFieldName)) {
                     // skip
                 } else {
@@ -190,9 +190,6 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
         if (token != XContentParser.Token.START_OBJECT) {
             throw new IllegalArgumentException("expected object but got a " + token);
         }
-        boolean mappingVersion = false;
-        boolean settingsVersion = false;
-        boolean aliasesVersion = false;
         while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
             if (token == XContentParser.Token.FIELD_NAME) {
                 currentFieldName = parser.currentName();
@@ -244,11 +241,6 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
                         }
                     }
                 } else if ("warmers".equals(currentFieldName)) {
-                    // TODO: do this in 6.0:
-                    // throw new IllegalArgumentException("Warmers are not supported anymore - are you upgrading from 1.x?");
-                    // ignore: warmers have been removed in 5.0 and are
-                    // simply ignored when upgrading from 2.x
-                    assert Version.CURRENT.major <= 5;
                     parser.skipChildren();
                 } else {
                     throw new IllegalArgumentException("Unexpected field for an object " + currentFieldName);
@@ -288,13 +280,13 @@ public class HttpClusterStateAction extends HttpAction<ClusterStateRequest, Clus
                 } else if (KEY_VERSION.equals(currentFieldName)) {
                     builder.version(parser.longValue());
                 } else if (KEY_MAPPING_VERSION.equals(currentFieldName)) {
-                    mappingVersion = true;
+                    // mappingVersion = true;
                     builder.mappingVersion(parser.longValue());
                 } else if (KEY_SETTINGS_VERSION.equals(currentFieldName)) {
-                    settingsVersion = true;
+                    // settingsVersion = true;
                     builder.settingsVersion(parser.longValue());
                 } else if (KEY_ALIASES_VERSION.equals(currentFieldName)) {
-                    aliasesVersion = true;
+                    // aliasesVersion = true;
                     builder.aliasesVersion(parser.longValue());
                 } else if (KEY_ROUTING_NUM_SHARDS.equals(currentFieldName)) {
                     builder.setRoutingNumShards(parser.intValue());
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/get/HttpGetAliasAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/get/HttpGetAliasAction.java
index 79c71f7..b5b8f42 100644
--- a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/get/HttpGetAliasAction.java
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/alias/get/HttpGetAliasAction.java
@@ -1,5 +1,6 @@
 package org.xbib.elx.http.action.admin.indices.alias.get;
 
+import org.apache.logging.log4j.Level;
 import org.elasticsearch.action.ActionType;
 import org.elasticsearch.action.admin.indices.alias.get.GetAliasesAction;
 import org.elasticsearch.action.admin.indices.alias.get.GetAliasesRequest;
@@ -13,6 +14,7 @@ import org.xbib.net.http.client.HttpResponse;
 import org.xbib.net.http.client.netty.HttpRequestBuilder;
 
 import java.io.IOException;
+import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -22,11 +24,9 @@ public class HttpGetAliasAction extends HttpAction<GetAliasesRequest, GetAliases
 
     @Override
     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()) + "/" : "";
-        // do not add "/" in front of index
-        return newGetRequest(url, index + "_alias/" + aliases);
+        String index = request.indices() != null ? String.join(",", request.indices()) : "";
+        String aliases = request.aliases() != null ? String.join(",", request.aliases()) : "";
+        return newGetRequest(url, index + "/_alias" + (aliases.isEmpty() ? "" : "/" + aliases));
     }
 
     @Override
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/close/HttpCloseIndexAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/close/HttpCloseIndexAction.java
new file mode 100644
index 0000000..4be9079
--- /dev/null
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/close/HttpCloseIndexAction.java
@@ -0,0 +1,45 @@
+package org.xbib.elx.http.action.admin.indices.close;
+
+import org.elasticsearch.action.admin.indices.close.CloseIndexAction;
+import org.elasticsearch.action.admin.indices.close.CloseIndexRequest;
+import org.elasticsearch.action.admin.indices.close.CloseIndexResponse;
+import org.elasticsearch.action.admin.indices.delete.DeleteIndexAction;
+import org.elasticsearch.action.admin.indices.delete.DeleteIndexRequest;
+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.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 HttpCloseIndexAction extends HttpAction<CloseIndexRequest, CloseIndexResponse> {
+
+    @Override
+    public CloseIndexAction getActionInstance() {
+        return CloseIndexAction.INSTANCE;
+    }
+
+    @Override
+    protected HttpRequestBuilder createHttpRequest(String url, CloseIndexRequest closeIndexRequest) {
+        return newPostRequest(url, "/" + String.join(",", closeIndexRequest.indices()) + "/_close");
+    }
+
+    @Override
+    protected CheckedFunction<XContentParser, CloseIndexResponse, IOException> entityParser(HttpResponse httpResponse) {
+        return this::fromXContent;
+    }
+
+     public CloseIndexResponse fromXContent(XContentParser parser) throws IOException {
+         AcknowledgedResponse acknowledgedResponse = CloseIndexResponse.fromXContent(parser);
+         if (parser.currentToken() == null) {
+             parser.nextToken();
+         }
+         boolean shardAcknowledged = true;
+         List<CloseIndexResponse.IndexResult> list = new LinkedList<>();
+         return new CloseIndexResponse(acknowledgedResponse.isAcknowledged(), shardAcknowledged, list);
+    }
+}
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/exists/indices/HttpIndicesExistsAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/exists/indices/HttpIndicesExistsAction.java
index bd35ae6..abedb17 100644
--- a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/exists/indices/HttpIndicesExistsAction.java
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/exists/indices/HttpIndicesExistsAction.java
@@ -33,7 +33,7 @@ public class HttpIndicesExistsAction extends HttpAction<IndicesExistsRequest, In
      * @return the ELasticsearch sttatus exception
      */
     @Override
-    protected ElasticsearchStatusException parseToError(HttpActionContext<IndicesExistsRequest, IndicesExistsResponse> httpActionContext) {
+    protected ElasticsearchStatusException parseToError(HttpActionContext<IndicesExistsRequest, IndicesExistsResponse> httpActionContext, String content) {
         return new ElasticsearchStatusException("not found", RestStatus.NOT_FOUND);
     }
 
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HtppGetIndexAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HttpGetIndexAction.java
similarity index 92%
rename from elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HtppGetIndexAction.java
rename to elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HttpGetIndexAction.java
index ae52b41..bb2feeb 100644
--- a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HtppGetIndexAction.java
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/get/HttpGetIndexAction.java
@@ -13,7 +13,7 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.List;
 
-public class HtppGetIndexAction extends HttpAction<GetIndexRequest, GetIndexResponse> {
+public class HttpGetIndexAction extends HttpAction<GetIndexRequest, GetIndexResponse> {
 
     @Override
     public GetIndexAction getActionInstance() {
@@ -25,7 +25,6 @@ public class HtppGetIndexAction extends HttpAction<GetIndexRequest, GetIndexResp
         List<String> list =  getIndexRequest.indices().length == 0 ?
                 List.of("*") : Arrays.asList(getIndexRequest.indices());
         String command = "/" + String.join(",", list);
-        logger.info("command = " + command);
         return newGetRequest(url, command);
     }
 
diff --git a/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/open/HttpOpenIndexAction.java b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/open/HttpOpenIndexAction.java
new file mode 100644
index 0000000..1588e1f
--- /dev/null
+++ b/elx-http/src/main/java/org/xbib/elx/http/action/admin/indices/open/HttpOpenIndexAction.java
@@ -0,0 +1,30 @@
+package org.xbib.elx.http.action.admin.indices.open;
+
+import org.elasticsearch.action.admin.indices.open.OpenIndexAction;
+import org.elasticsearch.action.admin.indices.open.OpenIndexRequest;
+import org.elasticsearch.action.admin.indices.open.OpenIndexResponse;
+import org.elasticsearch.common.CheckedFunction;
+import org.elasticsearch.common.xcontent.XContentParser;
+import org.xbib.elx.http.HttpAction;
+import org.xbib.net.http.client.HttpResponse;
+import org.xbib.net.http.client.netty.HttpRequestBuilder;
+
+import java.io.IOException;
+
+public class HttpOpenIndexAction extends HttpAction<OpenIndexRequest, OpenIndexResponse> {
+
+    @Override
+    public OpenIndexAction getActionInstance() {
+        return OpenIndexAction.INSTANCE;
+    }
+
+    @Override
+    protected HttpRequestBuilder createHttpRequest(String url, OpenIndexRequest openIndexRequest) {
+        return newPostRequest(url, "/" + String.join(",", openIndexRequest.indices()) + "/_open");
+    }
+
+    @Override
+    protected CheckedFunction<XContentParser, OpenIndexResponse, IOException> entityParser(HttpResponse httpResponse) {
+        return OpenIndexResponse::fromXContent;
+    }
+}
diff --git a/elx-http/src/main/resources/META-INF/services/org.xbib.elx.http.HttpAction b/elx-http/src/main/resources/META-INF/services/org.xbib.elx.http.HttpAction
index 89df3d6..f78d2b6 100644
--- a/elx-http/src/main/resources/META-INF/services/org.xbib.elx.http.HttpAction
+++ b/elx-http/src/main/resources/META-INF/services/org.xbib.elx.http.HttpAction
@@ -7,8 +7,9 @@ org.xbib.elx.http.action.admin.indices.alias.HttpIndicesAliasesAction
 org.xbib.elx.http.action.admin.indices.alias.get.HttpGetAliasAction
 org.xbib.elx.http.action.admin.indices.create.HttpCreateIndexAction
 org.xbib.elx.http.action.admin.indices.delete.HttpDeleteIndexAction
+org.xbib.elx.http.action.admin.indices.close.HttpCloseIndexAction
 org.xbib.elx.http.action.admin.indices.exists.indices.HttpIndicesExistsAction
-org.xbib.elx.http.action.admin.indices.get.HtppGetIndexAction
+org.xbib.elx.http.action.admin.indices.get.HttpGetIndexAction
 org.xbib.elx.http.action.admin.indices.refresh.HttpRefreshIndexAction
 org.xbib.elx.http.action.admin.indices.settings.get.HttpGetSettingsAction
 org.xbib.elx.http.action.admin.indices.settings.put.HttpUpdateSettingsAction
diff --git a/elx-http/src/test/java/org/xbib/elx/http/test/IndexPruneTest.java b/elx-http/src/test/java/org/xbib/elx/http/test/IndexPruneTest.java
index 5f5e8a0..141922f 100644
--- a/elx-http/src/test/java/org/xbib/elx/http/test/IndexPruneTest.java
+++ b/elx-http/src/test/java/org/xbib/elx/http/test/IndexPruneTest.java
@@ -93,7 +93,6 @@ class IndexPruneTest {
     }
 
     @Test
-    @Disabled("internal error")
     void testPruneWithClose() throws IOException {
         try (HttpAdminClient adminClient = ClientBuilder.builder()
                 .setAdminClientProvider(HttpAdminClientProvider.class)
diff --git a/gradle.properties b/gradle.properties
index 96296b5..4c8c11a 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,5 +1,5 @@
 group = org.xbib
 name = elx
-version = 7.10.2.25
+version = 7.10.2.26
 
 org.gradle.warning.mode = ALL