# Could not initialize class org.elasticsearch.http.netty3.Netty3HttpServerTransport

**URL:** https://discuss.elastic.co/t/could-not-initialize-class-org-elasticsearch-http-netty3-netty3httpservertransport/109190
**Category:** Elasticsearch
**Created:** [November 27, 2017, 9:16am UTC](https://discuss.elastic.co/t/could-not-initialize-class-org-elasticsearch-http-netty3-netty3httpservertransport/109190 "2017-11-27T09:16:20Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![kanonlemon](https://avatars.discourse-cdn.com/v4/letter/k/e47c2d/32.png) [@kanonlemon](https://discuss.elastic.co/u/kanonlemon)
#### Post date: [November 27, 2017, 9:16am UTC](https://discuss.elastic.co/t/could-not-initialize-class-org-elasticsearch-http-netty3-netty3httpservertransport/109190/1 "2017-11-27T09:16:20Z")

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```
Caused by: java.lang.NoClassDefFoundError: Could not initialize class org.elasticsearch.http.netty3.Netty3HttpServerTransport
	at org.elasticsearch.transport.Netty3Plugin.getSettings(Netty3Plugin.java:54) ~[transport-netty3-client-5.5.3.jar:5.5.3]
	at org.elasticsearch.plugins.PluginsService.lambda$getPluginSettings$0(PluginsService.java:82) ~[elasticsearch-6.0.0.jar:6.0.0]
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267) ~[na:1.8.0_152]
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1382) ~[na:1.8.0_152]
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_152]
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_152]
	at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_152]
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_152]
	at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_152]
	at org.elasticsearch.plugins.PluginsService.getPluginSettings(PluginsService.java:82) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.client.transport.TransportClient.buildTemplate(TransportClient.java:132) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.client.transport.TransportClient.<init>(TransportClient.java:259) ~[elasticsearch-6.0.0.jar:6.0.0]
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:130) ~[transport-5.5.3.jar:5.5.3]
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:116) ~[transport-5.5.3.jar:5.5.3]
	at org.elasticsearch.transport.client.PreBuiltTransportClient.<init>(PreBuiltTransportClient.java:106) ~[transport-5.5.3.jar:5.5.3]
	at com.lowrisk.dataservice.modules.lrdata.config.LrElasticsearchClient.init(LrElasticsearchClient.java:33) ~[classes/:na]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_152]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_152]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_152]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_152]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:369) ~[spring-beans-5.0.1.RELEASE.jar:5.0.1.RELEASE]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:312) ~[spring-beans-5.0.1.RELEASE.jar:5.0.1.RELEASE]
	at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:135) ~[spring-beans-5.0.1.RELEASE.jar:5.0.1.RELEASE]
	... 36 common frames omitted
```

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [December 25, 2017, 9:16am UTC](https://discuss.elastic.co/t/could-not-initialize-class-org-elasticsearch-http-netty3-netty3httpservertransport/109190/2 "2017-12-25T09:16:27Z")

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