Details
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Bug
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Status: Resolved
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Major
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Resolution: Fixed
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2.17.3
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None
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Patch Available
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Unknown
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Patch
Description
Due to synchronous nature of connection establishment, when same endpoint producer is used twice in same route (e.g. to make two sequential WS calls), BlockingOperationException is thrown:
java.lang.AssertionError: io.netty.util.concurrent.BlockingOperationException: DefaultChannelPromise@4360ffb3(incomplete) at org.apache.camel.component.netty4.NettyTCPChainedTest.sendFile(NettyTCPChainedTest.java:53) at org.apache.camel.component.netty4.NettyTCPChainedTest.testTCPChainedConnectionFromCallbackThread(NettyTCPChainedTest.java:62) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:55) at org.junit.rules.RunRules.evaluate(RunRules.java:20) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:78) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:212) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:68) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140) Caused by: io.netty.util.concurrent.BlockingOperationException: DefaultChannelPromise@4360ffb3(incomplete) at io.netty.util.concurrent.DefaultPromise.checkDeadLock(DefaultPromise.java:398) at io.netty.channel.DefaultChannelPromise.checkDeadLock(DefaultChannelPromise.java:157) at io.netty.util.concurrent.DefaultPromise.awaitUninterruptibly(DefaultPromise.java:254) at io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:135) at io.netty.channel.DefaultChannelPromise.awaitUninterruptibly(DefaultChannelPromise.java:28) at org.apache.camel.component.netty4.NettyProducer.openChannel(NettyProducer.java:488) at org.apache.camel.component.netty4.NettyProducer$NettyProducerPoolableObjectFactory.makeObject(NettyProducer.java:563) at org.apache.camel.component.netty4.NettyProducer$NettyProducerPoolableObjectFactory.makeObject(NettyProducer.java:558) at org.apache.commons.pool.impl.GenericObjectPool.borrowObject(GenericObjectPool.java:1188) at org.apache.camel.component.netty4.NettyProducer.process(NettyProducer.java:210) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:542) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:62) at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:145) at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:542) at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:197) at org.apache.camel.processor.Pipeline.process(Pipeline.java:120) at org.apache.camel.processor.Pipeline.access$100(Pipeline.java:44) at org.apache.camel.processor.Pipeline$1.done(Pipeline.java:138) at org.apache.camel.processor.CamelInternalProcessor$InternalCallback.done(CamelInternalProcessor.java:257) at org.apache.camel.processor.RedeliveryErrorHandler$2.done(RedeliveryErrorHandler.java:554) at org.apache.camel.processor.SendProcessor$1.done(SendProcessor.java:155) at org.apache.camel.processor.CamelInternalProcessor$InternalCallback.done(CamelInternalProcessor.java:257) at org.apache.camel.processor.CamelInternalProcessor$InternalCallback.done(CamelInternalProcessor.java:257) at org.apache.camel.processor.RedeliveryErrorHandler$2.done(RedeliveryErrorHandler.java:554) at org.apache.camel.processor.SendProcessor$1.done(SendProcessor.java:155) at org.apache.camel.component.netty4.NettyProducer$NettyProducerCallback.done(NettyProducer.java:550) at org.apache.camel.component.netty4.NettyProducer$2.operationComplete(NettyProducer.java:338) at org.apache.camel.component.netty4.NettyProducer$2.operationComplete(NettyProducer.java:304) at io.netty.util.concurrent.DefaultPromise.notifyListener0(DefaultPromise.java:514) at io.netty.util.concurrent.DefaultPromise.notifyListenersNow(DefaultPromise.java:488) at io.netty.util.concurrent.DefaultPromise.notifyListeners(DefaultPromise.java:427) at io.netty.util.concurrent.DefaultPromise.trySuccess(DefaultPromise.java:111) at io.netty.channel.DefaultChannelPromise.trySuccess(DefaultChannelPromise.java:82) at io.netty.channel.ChannelOutboundBuffer.safeSuccess(ChannelOutboundBuffer.java:673) at io.netty.channel.ChannelOutboundBuffer.remove(ChannelOutboundBuffer.java:263) at io.netty.channel.ChannelOutboundBuffer.removeBytes(ChannelOutboundBuffer.java:343) at io.netty.channel.socket.nio.NioSocketChannel.doWrite(NioSocketChannel.java:425) at io.netty.channel.AbstractChannel$AbstractUnsafe.flush0(AbstractChannel.java:856) at io.netty.channel.nio.AbstractNioChannel$AbstractNioUnsafe.flush0(AbstractNioChannel.java:356) at io.netty.channel.AbstractChannel$AbstractUnsafe.flush(AbstractChannel.java:823) at io.netty.channel.DefaultChannelPipeline$HeadContext.flush(DefaultChannelPipeline.java:1296) at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:786) at io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:778) at io.netty.channel.AbstractChannelHandlerContext.flush(AbstractChannelHandlerContext.java:759) at io.netty.channel.ChannelOutboundHandlerAdapter.flush(ChannelOutboundHandlerAdapter.java:115) at io.netty.channel.AbstractChannelHandlerContext.invokeFlush0(AbstractChannelHandlerContext.java:786) at io.netty.channel.AbstractChannelHandlerContext.invokeFlush(AbstractChannelHandlerContext.java:778) at io.netty.channel.AbstractChannelHandlerContext.access$1500(AbstractChannelHandlerContext.java:38) at io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) at io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1090) at io.netty.util.concurrent.SingleThreadEventExecutor.safeExecute(SingleThreadEventExecutor.java:451) at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:418) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:401) at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:877) at java.lang.Thread.run(Thread.java:745)
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