java.lang.NoClassDefFoundError: javax/servlet/ServletRequest

Spring JIRA | Brian Clozel | 5 months ago
  1. 0

    When running a web reactive project without the servlet dependency, we're getting a NCDFE because {{PathExtensionContentTypeResolver.extractKey}} is calling {{WebUtils.extractFullFilenameFromUrlPath}} which itself is importing/using the Servlet API extensively. {code} java.lang.NoClassDefFoundError: javax/servlet/ServletRequest at org.springframework.web.reactive.accept.PathExtensionContentTypeResolver.extractKey(PathExtensionContentTypeResolver.java:89) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.accept.AbstractMappingContentTypeResolver.resolveMediaTypes(AbstractMappingContentTypeResolver.java:91) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.accept.CompositeContentTypeResolver.resolveMediaTypes(CompositeContentTypeResolver.java:77) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.result.ContentNegotiatingResultHandlerSupport.getAcceptableTypes(ContentNegotiatingResultHandlerSupport.java:130) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.result.ContentNegotiatingResultHandlerSupport.selectMediaType(ContentNegotiatingResultHandlerSupport.java:102) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.result.method.annotation.AbstractMessageConverterResultHandler.writeBody(AbstractMessageConverterResultHandler.java:118) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.result.method.annotation.ResponseBodyResultHandler.handleResult(ResponseBodyResultHandler.java:119) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.DispatcherHandler.handleResult(DispatcherHandler.java:126) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at org.springframework.web.reactive.DispatcherHandler.lambda$handle$2(DispatcherHandler.java:113) ~[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT] at reactor.core.publisher.MonoThenApply$MonoThenApplyManager.onNext(MonoThenApply.java:99) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.Operators$DeferredScalarSubscriber.complete(Operators.java:796) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenApply$MonoThenApplyManager$SecondSubscriber.onNext(MonoThenApply.java:204) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxResume$ResumeSubscriber.onNext(FluxResume.java:75) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:131) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:1292) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.request(FluxMapFuseable.java:187) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:1009) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxResume$ResumeSubscriber.onSubscribe(FluxResume.java:70) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onSubscribe(FluxMapFuseable.java:100) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxFlatMap.trySubscribeScalarMap(FluxFlatMap.java:172) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:51) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoMapFuseable.subscribe(MonoMapFuseable.java:69) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenApply$MonoThenApplyManager.onNext(MonoThenApply.java:133) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:71) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoNext$NextSubscriber.onNext(MonoNext.java:82) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:391) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onSubscribe(FluxConcatMap.java:192) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:95) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:59) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.FluxConcatMap.subscribe(FluxConcatMap.java:116) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoNext.subscribe(MonoNext.java:45) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoOtherwiseIfEmpty.subscribe(MonoOtherwiseIfEmpty.java:47) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:58) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:58) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenSupply$MonoConcatIgnoreManager.drain(MonoThenSupply.java:169) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.core.publisher.MonoThenSupply.subscribe(MonoThenSupply.java:55) ~[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na] at reactor.io.netty.http.NettyHttpServerHandler.channelRead(NettyHttpServerHandler.java:91) ~[reactor-netty-0.5.0.BUILD-20160718.122522-17.jar:na] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:435) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:250) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:123) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:571) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:512) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:426) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:398) [netty-all-4.1.3.Final.jar:4.1.3.Final] at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:877) [netty-all-4.1.3.Final.jar:4.1.3.Final] at java.lang.Thread.run(Thread.java:745) [na:1.8.0_92] Caused by: java.lang.ClassNotFoundException: javax.servlet.ServletRequest at java.net.URLClassLoader.findClass(URLClassLoader.java:381) ~[na:1.8.0_92] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_92] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) ~[na:1.8.0_92] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_92] ... 62 common frames omitted {code}

    Spring JIRA | 5 months ago | Brian Clozel
    java.lang.NoClassDefFoundError: javax/servlet/ServletRequest
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Root Cause Analysis

  1. java.lang.ClassNotFoundException

    javax.servlet.ServletRequest

    at java.net.URLClassLoader.findClass()
  2. Java RT
    ClassLoader.loadClass
    1. java.net.URLClassLoader.findClass(URLClassLoader.java:381)[na:1.8.0_92]
    2. java.lang.ClassLoader.loadClass(ClassLoader.java:424)[na:1.8.0_92]
    3. sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)[na:1.8.0_92]
    4. java.lang.ClassLoader.loadClass(ClassLoader.java:357)[na:1.8.0_92]
    4 frames
  3. org.springframework.web
    DispatcherHandler.lambda$handle$2
    1. org.springframework.web.reactive.accept.PathExtensionContentTypeResolver.extractKey(PathExtensionContentTypeResolver.java:89)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    2. org.springframework.web.reactive.accept.AbstractMappingContentTypeResolver.resolveMediaTypes(AbstractMappingContentTypeResolver.java:91)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    3. org.springframework.web.reactive.accept.CompositeContentTypeResolver.resolveMediaTypes(CompositeContentTypeResolver.java:77)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    4. org.springframework.web.reactive.result.ContentNegotiatingResultHandlerSupport.getAcceptableTypes(ContentNegotiatingResultHandlerSupport.java:130)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    5. org.springframework.web.reactive.result.ContentNegotiatingResultHandlerSupport.selectMediaType(ContentNegotiatingResultHandlerSupport.java:102)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    6. org.springframework.web.reactive.result.method.annotation.AbstractMessageConverterResultHandler.writeBody(AbstractMessageConverterResultHandler.java:118)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    7. org.springframework.web.reactive.result.method.annotation.ResponseBodyResultHandler.handleResult(ResponseBodyResultHandler.java:119)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    8. org.springframework.web.reactive.DispatcherHandler.handleResult(DispatcherHandler.java:126)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    9. org.springframework.web.reactive.DispatcherHandler.lambda$handle$2(DispatcherHandler.java:113)[spring-web-reactive-5.0.0.BUILD-SNAPSHOT.jar:5.0.0.BUILD-SNAPSHOT]
    9 frames
  4. reactor.core.publisher
    MonoThenSupply.subscribe
    1. reactor.core.publisher.MonoThenApply$MonoThenApplyManager.onNext(MonoThenApply.java:99)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    2. reactor.core.publisher.Operators$DeferredScalarSubscriber.complete(Operators.java:796)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    3. reactor.core.publisher.MonoThenApply$MonoThenApplyManager$SecondSubscriber.onNext(MonoThenApply.java:204)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    4. reactor.core.publisher.FluxResume$ResumeSubscriber.onNext(FluxResume.java:75)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    5. reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onNext(FluxMapFuseable.java:131)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    6. reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:1292)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    7. reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.request(FluxMapFuseable.java:187)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    8. reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:1009)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    9. reactor.core.publisher.FluxResume$ResumeSubscriber.onSubscribe(FluxResume.java:70)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    10. reactor.core.publisher.FluxMapFuseable$MapFuseableSubscriber.onSubscribe(FluxMapFuseable.java:100)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    11. reactor.core.publisher.FluxFlatMap.trySubscribeScalarMap(FluxFlatMap.java:172)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    12. reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:51)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    13. reactor.core.publisher.MonoMapFuseable.subscribe(MonoMapFuseable.java:69)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    14. reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    15. reactor.core.publisher.MonoThenApply$MonoThenApplyManager.onNext(MonoThenApply.java:133)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    16. reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:71)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    17. reactor.core.publisher.MonoNext$NextSubscriber.onNext(MonoNext.java:82)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    18. reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:391)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    19. reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onSubscribe(FluxConcatMap.java:192)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    20. reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:95)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    21. reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:59)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    22. reactor.core.publisher.FluxConcatMap.subscribe(FluxConcatMap.java:116)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    23. reactor.core.publisher.MonoNext.subscribe(MonoNext.java:45)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    24. reactor.core.publisher.MonoOtherwiseIfEmpty.subscribe(MonoOtherwiseIfEmpty.java:47)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    25. reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:58)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    26. reactor.core.publisher.MonoThenApply.subscribe(MonoThenApply.java:58)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    27. reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    28. reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    29. reactor.core.publisher.MonoOtherwise.subscribe(MonoOtherwise.java:47)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    30. reactor.core.publisher.MonoThenSupply$MonoConcatIgnoreManager.drain(MonoThenSupply.java:169)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    31. reactor.core.publisher.MonoThenSupply.subscribe(MonoThenSupply.java:55)[reactor-core-3.0.0.BUILD-20160718.121732-24.jar:na]
    31 frames
  5. reactor.io.netty
    NettyHttpServerHandler.channelRead
    1. reactor.io.netty.http.NettyHttpServerHandler.channelRead(NettyHttpServerHandler.java:91)[reactor-netty-0.5.0.BUILD-20160718.122522-17.jar:na]
    1 frame
  6. Netty
    SingleThreadEventExecutor$5.run
    1. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    2. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    3. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    4. io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:435)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    5. io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:293)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    6. io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:267)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    7. io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:250)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    8. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    9. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    10. io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:350)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    11. io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    12. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:372)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    13. io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:358)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    14. io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    15. io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:123)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    16. io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:571)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    17. io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:512)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    18. io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:426)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    19. io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:398)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    20. io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:877)[netty-all-4.1.3.Final.jar:4.1.3.Final]
    20 frames
  7. Java RT
    Thread.run
    1. java.lang.Thread.run(Thread.java:745)[na:1.8.0_92]
    1 frame