diff --git a/api/build.gradle b/api/build.gradle
index 02e43a4..61be444 100644
--- a/api/build.gradle
+++ b/api/build.gradle
@@ -7,7 +7,7 @@ dependencies {
         exclude group: 'org.elasticsearch.plugin', module: 'percolator-client'
         exclude group: 'org.elasticsearch.plugin', module: 'lang-mustache-client'
     }
-    // we try to override the Elasticsearch netty by our netty version which might be more recent
+    // we try to override the Elasticsearch netty by our netty version which is more recent
     compile "io.netty:netty-buffer:${rootProject.property('netty.version')}"
     compile "io.netty:netty-codec-http:${rootProject.property('netty.version')}"
     compile "io.netty:netty-handler:${rootProject.property('netty.version')}"
diff --git a/build.gradle b/build.gradle
index 4a6e6c8..49dfe7d 100644
--- a/build.gradle
+++ b/build.gradle
@@ -1,12 +1,27 @@
+import java.time.ZonedDateTime
+import java.time.format.DateTimeFormatter
+
+buildscript {
+    repositories {
+        jcenter()
+        maven {
+            url 'http://xbib.org/repository'
+        }
+    }
+    dependencies {
+        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.3.2.4"
+    }
+}
 
 plugins {
     id "org.sonarqube" version "2.6.1"
     id "io.codearte.nexus-staging" version "0.11.0"
-    id "org.xbib.gradle.plugin.asciidoctor" version "1.6.0.0"
+    id "org.xbib.gradle.plugin.asciidoctor" version "1.6.0.1"
 }
 
-printf "Host: %s\nOS: %s %s %s\nJVM: %s %s %s %s\nGroovy: %s\nGradle: %s\n" +
+printf "Date: %s\nHost: %s\nOS: %s %s %s\nJava: %s %s %s %s\nGradle: %s Groovy: %s Java: %s\n" +
         "Build: group: ${project.group} name: ${project.name} version: ${project.version}\n",
+        ZonedDateTime.now().format(DateTimeFormatter.ISO_DATE_TIME),
         InetAddress.getLocalHost(),
         System.getProperty("os.name"),
         System.getProperty("os.arch"),
@@ -15,19 +30,25 @@ printf "Host: %s\nOS: %s %s %s\nJVM: %s %s %s %s\nGroovy: %s\nGradle: %s\n" +
         System.getProperty("java.vm.version"),
         System.getProperty("java.vm.vendor"),
         System.getProperty("java.vm.name"),
-        GroovySystem.getVersion(),
-        gradle.gradleVersion
+        gradle.gradleVersion, GroovySystem.getVersion(), JavaVersion.current()
+
 
 apply plugin: "io.codearte.nexus-staging"
+apply plugin: 'org.xbib.gradle.plugin.asciidoctor'
+
+ext {
+    user = 'jprante'
+    name = 'elx'
+    description = 'Elasticsearch extensions'
+    scmUrl = 'https://github.com/' + user + '/' + name
+    scmConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
+    scmDeveloperConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
+}
 
 subprojects {
     apply plugin: 'java'
     apply plugin: 'maven'
     apply plugin: 'signing'
-    //apply plugin: 'findbugs'
-    //apply plugin: 'pmd'
-    //apply plugin: 'checkstyle'
-    apply plugin: 'org.xbib.gradle.plugin.asciidoctor'
 
     configurations {
         wagon
@@ -36,36 +57,24 @@ subprojects {
     }
 
     dependencies {
-        //testCompile "junit:junit:${project.property('junit.version')}"
-        //testCompile "org.apache.logging.log4j:log4j-core:${project.property('log4j.version')}"
         alpnagent "org.mortbay.jetty.alpn:jetty-alpn-agent:${project.property('alpnagent.version')}"
         asciidoclet "org.xbib:asciidoclet:${project.property('asciidoclet.version')}"
         wagon "org.apache.maven.wagon:wagon-ssh:${project.property('wagon.version')}"
     }
 
-    sourceCompatibility = JavaVersion.VERSION_1_9
-    targetCompatibility = JavaVersion.VERSION_1_8
-    [compileJava, compileTestJava]*.options*.encoding = 'UTF-8'
-    tasks.withType(JavaCompile) {
-        options.compilerArgs << "-proc:none" << "-Xlint:all,-rawtypes,-unchecked,-try" << "--release" << "8" //<< "-profile" << "compact3"
+    compileJava {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
+    }
+    compileTestJava {
+        sourceCompatibility = JavaVersion.VERSION_11
+        targetCompatibility = JavaVersion.VERSION_11
     }
 
     jar {
         baseName "${rootProject.name}-${project.name}"
     }
 
-    asciidoctor {
-        attributes toc: 'left',
-                doctype: 'book',
-                icons: 'font',
-                encoding: 'utf-8',
-                sectlink: true,
-                sectanchors: true,
-                linkattrs: true,
-                imagesdir: 'img',
-                'source-highlighter': 'coderay'
-    }
-
     javadoc {
         options.docletpath = configurations.asciidoclet.files.asType(List)
         options.doclet = 'org.xbib.asciidoclet.Asciidoclet'
@@ -108,6 +117,18 @@ subprojects {
 
 }
 
+/*asciidoctor {
+    attributes toc: 'left',
+            doctype: 'book',
+            icons: 'font',
+            encoding: 'utf-8',
+            sectlink: true,
+            sectanchors: true,
+            linkattrs: true,
+            imagesdir: 'img',
+            'source-highlighter': 'coderay'
+}*/
+
 /*
 task aggregatedJavadoc(type: Javadoc) {
     group = 'aggregation'
diff --git a/common/build.gradle b/common/build.gradle
index 8638f17..7e0f3cb 100644
--- a/common/build.gradle
+++ b/common/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.2.2.0"
+        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.3.2.4"
     }
 }
 
@@ -21,18 +21,20 @@ dependencies {
     compile project(':api')
     compile "org.xbib:metrics:${project.property('xbib-metrics.version')}"
     compileOnly "org.apache.logging.log4j:log4j-api:${project.property('log4j.version')}"
-    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
-    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
+    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
+    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
 }
 
 jar {
     baseName "${rootProject.name}-common"
 }
 
+/*
 task testJar(type: Jar, dependsOn: testClasses) {
     baseName = "${project.archivesBaseName}-tests"
     from sourceSets.test.output
 }
+*/
 
 artifacts {
     main jar
@@ -56,7 +58,7 @@ randomizedTest {
 
 esTest {
     // test with the jars, not the classes, for security manager
-    classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
+    // classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
     systemProperty 'tests.security.manager', 'true'
 }
 esTest.dependsOn jar, testJar
diff --git a/gradle.properties b/gradle.properties
index f75801d..24bd424 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -1,28 +1,30 @@
-org.gradle.daemon=false
-org.gradle.warning.mode=all
-
 group = org.xbib.elasticsearch
-name = elasticsearch-client-netty
-version = 6.2.2.0
+name = elasticsearch-client
+version = 6.3.2.0
+profile = default
+release = 0
 
-elasticsearch.version = 6.2.2
-netty.version = 4.1.24.Final
-tcnative.version = 2.0.7.Final
+elasticsearch.version = 6.3.2
+lucene.version = 7.3.1
+
+netty.version = 4.1.29.Final
+tcnative.version = 2.0.15.Final
 alpnagent.version = 2.0.7
-#xbib-netty-http-client.version = 4.1.16.1
-xbib-netty-http-client.version = 4.1.24.0
+xbib-netty-http-client.version = 4.1.29.0
 xbib-metrics.version = 1.1.0
 
 # elasticsearch build plugin
-xbib-elasticsearch-test.version = 6.2.2.0
-lucene.version = 7.2.1
-spatial4j.version = 0.6
-jts.version = 1.13
-jna.version = 4.5.1
+elasticsearch-libs.version = 6.3.2.1
+elasticsearch-devkit.version = 6.3.2.4
+spatial4j.version = 0.7
+jts.version = 1.15.1
+jna.version = 4.5.2
+log4j.version = 2.11.1
+checkstyle.version = 8.13
 
 # test
-log4j.version = 2.9.1
 junit.version = 4.12
 wagon.version = 3.0.0
 asciidoclet.version = 1.6.0.0
 
+org.gradle.warning.mode=all
diff --git a/gradle/ext.gradle b/gradle/ext.gradle
index 2318dcd..e69de29 100644
--- a/gradle/ext.gradle
+++ b/gradle/ext.gradle
@@ -1,8 +0,0 @@
-ext {
-    user = 'xbib'
-    name = 'elasticsearch-java-client'
-    description = 'Netty Java client for Elasticsearch'
-    scmUrl = 'https://github.com/' + user + '/' + name
-    scmConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
-    scmDeveloperConnection = 'scm:git:git://github.com/' + user + '/' + name + '.git'
-}
diff --git a/gradle/wrapper/gradle-wrapper.jar b/gradle/wrapper/gradle-wrapper.jar
index 91ca28c..87b738c 100644
Binary files a/gradle/wrapper/gradle-wrapper.jar and b/gradle/wrapper/gradle-wrapper.jar differ
diff --git a/gradle/wrapper/gradle-wrapper.properties b/gradle/wrapper/gradle-wrapper.properties
index c2bee35..6b3851a 100644
--- a/gradle/wrapper/gradle-wrapper.properties
+++ b/gradle/wrapper/gradle-wrapper.properties
@@ -1,6 +1,5 @@
-#Fri May 04 14:40:54 CEST 2018
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
+distributionUrl=https\://services.gradle.org/distributions/gradle-5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-4.7-all.zip
diff --git a/gradlew b/gradlew
index cccdd3d..af6708f 100755
--- a/gradlew
+++ b/gradlew
@@ -28,7 +28,7 @@ APP_NAME="Gradle"
 APP_BASE_NAME=`basename "$0"`
 
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-DEFAULT_JVM_OPTS=""
+DEFAULT_JVM_OPTS='"-Xmx64m"'
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD="maximum"
diff --git a/gradlew.bat b/gradlew.bat
index e95643d..0f8d593 100644
--- a/gradlew.bat
+++ b/gradlew.bat
@@ -14,7 +14,7 @@ set APP_BASE_NAME=%~n0
 set APP_HOME=%DIRNAME%
 
 @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
-set DEFAULT_JVM_OPTS=
+set DEFAULT_JVM_OPTS="-Xmx64m"
 
 @rem Find java.exe
 if defined JAVA_HOME goto findJavaFromJavaHome
diff --git a/http/build.gradle b/http/build.gradle
index 0481477..f5d73a1 100644
--- a/http/build.gradle
+++ b/http/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.2.2.0"
+        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.3.2.4"
     }
 }
 
@@ -20,18 +20,20 @@ configurations {
 dependencies {
     compile project(':common')
     compile "org.xbib:netty-http-client:${project.property('xbib-netty-http-client.version')}"
-    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
-    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
+    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
+    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
 }
 
 jar {
     baseName "${rootProject.name}-common"
 }
 
+/*
 task testJar(type: Jar, dependsOn: testClasses) {
     baseName = "${project.archivesBaseName}-tests"
     from sourceSets.test.output
 }
+*/
 
 artifacts {
     main jar
@@ -55,7 +57,7 @@ randomizedTest {
 esTest {
     enabled = true
     // test with the jars, not the classes, for security manager
-    classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
+    // classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
     systemProperty 'tests.security.manager', 'true'
     // maybe we like some extra security policy for our code
     systemProperty 'tests.security.policy', '/extra-security.policy'
diff --git a/http/src/main/java/org/elasticsearch/action/admin/cluster/node/info/HttpNodesInfoAction.java b/http/src/main/java/org/elasticsearch/action/admin/cluster/node/info/HttpNodesInfoAction.java
index bb725cc..e50358b 100644
--- a/http/src/main/java/org/elasticsearch/action/admin/cluster/node/info/HttpNodesInfoAction.java
+++ b/http/src/main/java/org/elasticsearch/action/admin/cluster/node/info/HttpNodesInfoAction.java
@@ -119,7 +119,10 @@ public class HttpNodesInfoAction extends HttpAction<NodesInfoRequest, NodesInfoR
             try {
                 InetAddress[] inetAddresses = InetAddress.getAllByName(host);
                 TransportAddress transportAddress = new TransportAddress(inetAddresses[0], port);
-                Build build = new Build((String) map2.get("build"), (String)map2.get("date"), (Boolean)map2.get("snapshst"));
+                Build build = new Build(Build.Flavor.OSS, Build.Type.TAR,
+                        (String) map2.get("build"),
+                        (String)map2.get("date"),
+                        (Boolean)map2.get("snapshot"));
                 Map<String, String> attributes = Collections.emptyMap();
                 Set<DiscoveryNode.Role> roles = new HashSet<>();
                 Version version = Version.fromString((String) map2.get("version"));
diff --git a/http/src/main/java/org/elasticsearch/action/admin/cluster/settings/HttpClusterUpdateSettingsAction.java b/http/src/main/java/org/elasticsearch/action/admin/cluster/settings/HttpClusterUpdateSettingsAction.java
index 971e1c7..b66675c 100644
--- a/http/src/main/java/org/elasticsearch/action/admin/cluster/settings/HttpClusterUpdateSettingsAction.java
+++ b/http/src/main/java/org/elasticsearch/action/admin/cluster/settings/HttpClusterUpdateSettingsAction.java
@@ -1,6 +1,7 @@
 package org.elasticsearch.action.admin.cluster.settings;
 
 import org.elasticsearch.common.CheckedFunction;
+import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
@@ -32,7 +33,7 @@ public class HttpClusterUpdateSettingsAction extends HttpAction<ClusterUpdateSet
             builder.startObject("transient");
             request.transientSettings().toXContent(builder, ToXContent.EMPTY_PARAMS);
             builder.endObject().endObject();
-            return newPutRequest(url, "/_cluster/settings", builder.bytes());
+            return newPutRequest(url, "/_cluster/settings", BytesReference.bytes(builder));
         } catch (IOException e) {
             throw new UncheckedIOException(e);
         }
diff --git a/http/src/main/java/org/elasticsearch/action/admin/indices/create/HttpCreateIndexAction.java b/http/src/main/java/org/elasticsearch/action/admin/indices/create/HttpCreateIndexAction.java
index 428b84f..da64f8b 100644
--- a/http/src/main/java/org/elasticsearch/action/admin/indices/create/HttpCreateIndexAction.java
+++ b/http/src/main/java/org/elasticsearch/action/admin/indices/create/HttpCreateIndexAction.java
@@ -1,12 +1,12 @@
 package org.elasticsearch.action.admin.indices.create;
 
 import org.elasticsearch.common.CheckedFunction;
+import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentFactory;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.xbib.elasticsearch.client.http.HttpAction;
-import org.xbib.netty.http.client.Request;
 import org.xbib.netty.http.client.RequestBuilder;
 
 import java.io.IOException;
@@ -22,7 +22,7 @@ public class HttpCreateIndexAction extends HttpAction<CreateIndexRequest, Create
     protected RequestBuilder createHttpRequest(String url, CreateIndexRequest createIndexRequest) throws IOException {
         XContentBuilder builder = XContentFactory.jsonBuilder();
         builder = createIndexRequest.toXContent(builder, ToXContent.EMPTY_PARAMS);
-        return newPutRequest(url, "/" + createIndexRequest.index(), builder.bytes());
+        return newPutRequest(url, "/" + createIndexRequest.index(), BytesReference.bytes(builder));
     }
 
     @Override
diff --git a/http/src/main/java/org/elasticsearch/action/admin/indices/settings/put/HttpUpdateSettingsAction.java b/http/src/main/java/org/elasticsearch/action/admin/indices/settings/put/HttpUpdateSettingsAction.java
index 8d82bc9..b8facce 100644
--- a/http/src/main/java/org/elasticsearch/action/admin/indices/settings/put/HttpUpdateSettingsAction.java
+++ b/http/src/main/java/org/elasticsearch/action/admin/indices/settings/put/HttpUpdateSettingsAction.java
@@ -1,6 +1,7 @@
 package org.elasticsearch.action.admin.indices.settings.put;
 
 import org.elasticsearch.common.CheckedFunction;
+import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.xcontent.ToXContent;
 import org.elasticsearch.common.xcontent.XContentBuilder;
 import org.elasticsearch.common.xcontent.XContentParser;
@@ -30,7 +31,7 @@ public class HttpUpdateSettingsAction extends HttpAction<UpdateSettingsRequest,
             request.settings().toXContent(builder, ToXContent.EMPTY_PARAMS);
             builder.endObject();
             String index = request.indices() != null ? "/" + String.join(",", request.indices()) : "";
-            return newPutRequest(url, index + "/_settings", builder.bytes());
+            return newPutRequest(url, index + "/_settings", BytesReference.bytes(builder));
         } catch (IOException e) {
             throw new UncheckedIOException(e);
         }
diff --git a/http/src/main/java/org/xbib/elasticsearch/client/http/HttpAction.java b/http/src/main/java/org/xbib/elasticsearch/client/http/HttpAction.java
index 6112f8d..674ee6d 100644
--- a/http/src/main/java/org/xbib/elasticsearch/client/http/HttpAction.java
+++ b/http/src/main/java/org/xbib/elasticsearch/client/http/HttpAction.java
@@ -13,6 +13,7 @@ import org.elasticsearch.action.GenericAction;
 import org.elasticsearch.common.CheckedFunction;
 import org.elasticsearch.common.bytes.BytesReference;
 import org.elasticsearch.common.settings.Settings;
+import org.elasticsearch.common.xcontent.DeprecationHandler;
 import org.elasticsearch.common.xcontent.XContentParser;
 import org.elasticsearch.common.xcontent.XContentType;
 import org.xbib.netty.http.client.Request;
@@ -143,6 +144,7 @@ public abstract class HttpAction<R extends ActionRequest, T extends ActionRespon
             throw new IllegalStateException("unsupported content-type: " + mediaType);
         }
         try (XContentParser parser = xContentType.xContent().createParser(httpActionContext.getHttpClient().getRegistry(),
+                DeprecationHandler.THROW_UNSUPPORTED_OPERATION,
                 httpActionContext.getHttpResponse().content().array())) {
             return entityParser().apply(parser);
         } catch (IOException e) {
diff --git a/node/build.gradle b/node/build.gradle
index 1c7e38b..9f401d8 100644
--- a/node/build.gradle
+++ b/node/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.2.2.0"
+        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.3.2.4"
     }
 }
 
@@ -19,18 +19,20 @@ configurations {
 
 dependencies {
     compile project(':common')
-    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
-    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
+    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
+    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
 }
 
 jar {
     baseName "${rootProject.name}-node"
 }
 
+/*
 task testJar(type: Jar, dependsOn: testClasses) {
     baseName = "${project.archivesBaseName}-tests"
     from sourceSets.test.output
 }
+*/
 
 artifacts {
     main jar
@@ -55,7 +57,7 @@ randomizedTest {
 
 esTest {
     // test with the jars, not the classes, for security manager
-    classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
+    // classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
     systemProperty 'tests.security.manager', 'true'
     // maybe we like some extra security policy for our code
     systemProperty 'tests.security.policy', '/extra-security.policy'
diff --git a/settings.gradle b/settings.gradle
index 638442b..cc4c55d 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -1,4 +1,3 @@
-
 include 'api'
 include 'common'
 include 'node'
diff --git a/transport/build.gradle b/transport/build.gradle
index 8cfb1ce..582d3ec 100644
--- a/transport/build.gradle
+++ b/transport/build.gradle
@@ -6,7 +6,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.2.2.0"
+        classpath "org.xbib.elasticsearch:gradle-plugin-elasticsearch-build:6.3.2.4"
     }
 }
 
@@ -19,18 +19,20 @@ configurations {
 
 dependencies {
     compile project(':common')
-    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
-    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('xbib-elasticsearch-test.version')}"
+    testCompile "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
+    testRuntime "org.xbib.elasticsearch:elasticsearch-test-framework:${project.property('elasticsearch-devkit.version')}"
 }
 
 jar {
     baseName "${rootProject.name}-transport"
 }
 
+/*
 task testJar(type: Jar, dependsOn: testClasses) {
     baseName = "${project.archivesBaseName}-tests"
     from sourceSets.test.output
 }
+*/
 
 artifacts {
     main jar
@@ -41,7 +43,7 @@ artifacts {
 esTest {
     enabled = true
     // test with the jars, not the classes, for security manager
-    classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
+    //classpath = files(configurations.testRuntime) + configurations.main.artifacts.files + configurations.tests.artifacts.files
     systemProperty 'tests.security.manager', 'true'
     // maybe we like some extra security policy for our code
     systemProperty 'tests.security.policy', '/extra-security.policy'
@@ -60,4 +62,4 @@ test {
         showStandardStreams = true
         exceptionFormat = 'full'
     }
-}
\ No newline at end of file
+}
diff --git a/transport/src/main/java/org/xbib/elasticsearch/client/transport/ConnectionProfile.java b/transport/src/main/java/org/xbib/elasticsearch/client/transport/ConnectionProfile.java
index dd8cc84..ed36792 100644
--- a/transport/src/main/java/org/xbib/elasticsearch/client/transport/ConnectionProfile.java
+++ b/transport/src/main/java/org/xbib/elasticsearch/client/transport/ConnectionProfile.java
@@ -1,6 +1,6 @@
 package org.xbib.elasticsearch.client.transport;
 
-import org.elasticsearch.common.inject.internal.Nullable;
+import org.elasticsearch.common.Nullable;
 import org.elasticsearch.common.unit.TimeValue;
 import org.elasticsearch.transport.TransportRequestOptions;
 
diff --git a/transport/src/main/java/org/xbib/elasticsearch/client/transport/RemoteConnectionInfo.java b/transport/src/main/java/org/xbib/elasticsearch/client/transport/RemoteConnectionInfo.java
index 6809efc..35c9759 100644
--- a/transport/src/main/java/org/xbib/elasticsearch/client/transport/RemoteConnectionInfo.java
+++ b/transport/src/main/java/org/xbib/elasticsearch/client/transport/RemoteConnectionInfo.java
@@ -43,7 +43,7 @@ public final class RemoteConnectionInfo implements ToXContentFragment, Writeable
         seedNodes = input.readList(TransportAddress::new);
         httpAddresses = input.readList(TransportAddress::new);
         connectionsPerCluster = input.readVInt();
-        initialConnectionTimeout = new TimeValue(input);
+        initialConnectionTimeout = input.readTimeValue();
         numNodesConnected = input.readVInt();
         clusterAlias = input.readString();
         if (input.getVersion().onOrAfter(Version.V_6_1_0)) {
@@ -82,7 +82,7 @@ public final class RemoteConnectionInfo implements ToXContentFragment, Writeable
         out.writeList(seedNodes);
         out.writeList(httpAddresses);
         out.writeVInt(connectionsPerCluster);
-        initialConnectionTimeout.writeTo(out);
+        out.writeTimeValue(initialConnectionTimeout);
         out.writeVInt(numNodesConnected);
         out.writeString(clusterAlias);
         if (out.getVersion().onOrAfter(Version.V_6_1_0)) {