我正在使用 Mule 3.9.0 CE
在 Mule Flow 上使用多线程进行负载测试时，我得到了这个异常： java.util.ConcurrentModificationException: null
所有 Mule 流和子流处理策略 = 默认
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1442) ~[?:1.8.0_152]
at java.util.HashMap$EntryIterator.next(HashMap.java:1476) ~[?:1.8.0_152]
at java.util.HashMap$EntryIterator.next(HashMap.java:1474) ~[?:1.8.0_152]
at org.mule.module.http.internal.HttpMapParam.resolveMapObjObj(HttpMapParam.java:68) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.HttpMapParam.resolve(HttpMapParam.java:48) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.HttpMessageBuilder.resolveParams(HttpMessageBuilder.java:48) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.HttpResponseBuilder.build(HttpResponseBuilder.java:116) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.HttpMessageProcessorTemplate.doBuildResponse(HttpMessageProcessorTemplate.java:122) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.HttpMessageProcessorTemplate.buildResponse(HttpMessageProcessorTemplate.java:112) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.HttpMessageProcessorTemplate.sendResponseToClient(HttpMessageProcessorTemplate.java:86) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.execution.AsyncResponseFlowProcessingPhase.runPhase(AsyncResponseFlowProcessingPhase.java:79) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.execution.AsyncResponseFlowProcessingPhase.runPhase(AsyncResponseFlowProcessingPhase.java:36) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.execution.PhaseExecutionEngine$InternalPhaseExecutionEngine.process(PhaseExecutionEngine.java:114) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.execution.PhaseExecutionEngine.process(PhaseExecutionEngine.java:41) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.execution.MuleMessageProcessingManager.processMessage(MuleMessageProcessingManager.java:32) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.DefaultHttpListener$1.handleRequest(DefaultHttpListener.java:135) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.grizzly.GrizzlyRequestDispatcherFilter.handleRead(GrizzlyRequestDispatcherFilter.java:100) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:119) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:284) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:201) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:133) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:112) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:77) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:539) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:112) ~[grizzly-framework-2.3.33.jar:2.3.33]
at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy.run0(ExecutorPerServerAddressIOStrategy.java:119) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy.access$100(ExecutorPerServerAddressIOStrategy.java:31) ~[mule-module-http-3.9.0.jar:3.9.0]
at org.mule.module.http.internal.listener.grizzly.ExecutorPerServerAddressIOStrategy$WorkerThreadRunnable.run(ExecutorPerServerAddressIOStrategy.java:142) ~[mule-module-http-3.9.0.jar:3.9.0]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_152]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_152]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_152]
Mule 3.4.1 上不存在此行为
我的流程中的所有处理都是“同步”。为什么这些：
at org.mule.execution.AsyncResponseFlowProcessingPhase.runPhase(AsyncResponseFlowProcessingPhase.java:79) ~[mule-core-3.9.0.jar:3.9.0]
at org.mule.execution.AsyncResponseFlowProcessingPhase.runPhase(AsyncResponseFlowProcessingPhase.java:36) ~[mule-core-3.9.0.jar:3.9.0]