Hi, We experience currently the problem that we got an „Failed to export StandardFlowFileRecord to HttpOutput due to org.eclipse.jetty.io.EofException“ exception which blocks incoming HTTP requests and with queued flow files between the HandleHttpRequest and HandleHttpResponse connection until we restart the corresponding node. and the event stream in total.
We have the following configuration: [cid:9E4253D4-B4FD-4F50-922C-743D9B781936] We get the following exception: org.apache.nifi.processor.exception.FlowFileAccessException: Failed to export StandardFlowFileRecord[uuid=fa00a5b5-7e54-4688-b389-7dcd012607b8,claim=StandardContentClaim [resourceClaim=StandardResourceClaim[id=1444734001395-1, container=default, section=1], offset=0, length=147356],offset=0,name=10200723618730079,size=147356] to HttpOutput@19fff77e{OPEN} due to org.eclipse.jetty.io.EofException at org.apache.nifi.controller.repository.StandardProcessSession.exportTo(StandardProcessSession.java:2305) ~[nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.processors.standard.HandleHttpResponse.onTrigger(HandleHttpResponse.java:153) ~[na:na] at org.apache.nifi.processor.AbstractProcessor.onTrigger(AbstractProcessor.java:27) ~[nifi-api-0.3.0.jar:0.3.0] at org.apache.nifi.controller.StandardProcessorNode.onTrigger(StandardProcessorNode.java:1077) ~[nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:127) [nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.controller.tasks.ContinuallyRunProcessorTask.call(ContinuallyRunProcessorTask.java:49) [nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.controller.scheduling.TimerDrivenSchedulingAgent$1.run(TimerDrivenSchedulingAgent.java:119) [nifi-framework-core-0.3.0.jar:0.3.0] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_79] at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:304) [na:1.7.0_79] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:178) [na:1.7.0_79] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293) [na:1.7.0_79] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_79] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_79] at java.lang.Thread.run(Thread.java:745) [na:1.7.0_79] Caused by: org.eclipse.jetty.io.EofException: null at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:192) ~[jetty-io-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.io.WriteFlusher.flush(WriteFlusher.java:408) ~[jetty-io-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.io.WriteFlusher.write(WriteFlusher.java:302) ~[jetty-io-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.io.AbstractEndPoint.write(AbstractEndPoint.java:129) ~[jetty-io-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpConnection$SendCallback.process(HttpConnection.java:690) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.util.IteratingCallback.processing(IteratingCallback.java:246) ~[jetty-util-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.util.IteratingCallback.iterate(IteratingCallback.java:208) ~[jetty-util-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpConnection.send(HttpConnection.java:480) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpChannel.sendResponse(HttpChannel.java:768) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpChannel.write(HttpChannel.java:801) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:147) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:140) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:355) ~[jetty-server-9.2.11.v20150529.jar:9.2.11.v20150529] at org.apache.nifi.stream.io.StreamUtils.copy(StreamUtils.java:36) ~[nifi-utils-0.3.0.jar:0.3.0] at org.apache.nifi.controller.repository.FileSystemRepository.exportTo(FileSystemRepository.java:752) ~[nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.controller.repository.FileSystemRepository.exportTo(FileSystemRepository.java:766) ~[nifi-framework-core-0.3.0.jar:0.3.0] at org.apache.nifi.controller.repository.StandardProcessSession.exportTo(StandardProcessSession.java:2300) ~[nifi-framework-core-0.3.0.jar:0.3.0] ... 13 common frames omitted Caused by: java.io.IOException: Broken pipe at sun.nio.ch.FileDispatcherImpl.write0(Native Method) ~[na:1.7.0_79] at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:47) ~[na:1.7.0_79] at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:93) ~[na:1.7.0_79] at sun.nio.ch.IOUtil.write(IOUtil.java:65) ~[na:1.7.0_79] at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:488) ~[na:1.7.0_79] at org.eclipse.jetty.io.ChannelEndPoint.flush(ChannelEndPoint.java:170) ~[jetty-io-9.2.11.v20150529.jar:9.2.11.v20150529] ... 29 common frames omitted Unfortunately we`re right now unable to re-produce the problem predictable but It seems that the sending part is closing the connection before HandleHttpResponse is able to finish the job. In our assumption we expected that, if that is the case, the HandleHttpResponse processor sends the event to the failure relationship. We`re using nifi-0.3.0, java 1.7.0_79 (OpenJDK) on an Ubuntu 12.04 LTS server. The question is if the behavior is expected and we did something wrong or is this a bug? Thanks for your help, Seb