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

[kanonlemon]

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