@Nirmal can you also attach the query used while this exception was occurring
On Tue, Jun 7, 2016 at 2:26 PM, Nirmal Fernando <nir...@wso2.com> wrote: > Hi All, > > Noticed below set of exceptions when load-testing API-M analytics setup. > Please attend to them asap. > > Jira: https://wso2.org/jira/browse/CEP-1506 > > [1] > > [2016-06-07 12:13:56,860] ERROR > {org.wso2.carbon.event.stream.core.internal.EventJunction} - Error while > dispatching events: null > java.util.ConcurrentModificationException > at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:953) > at java.util.LinkedList$ListItr.remove(LinkedList.java:919) > at > org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor.processAndReturn(StreamPreStateProcessor.java:295) > at > org.wso2.siddhi.core.query.input.StateMultiProcessStreamReceiver.processAndClear(StateMultiProcessStreamReceiver.java:51) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.process(MultiProcessStreamReceiver.java:71) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.receive(MultiProcessStreamReceiver.java:85) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.receive(PatternMultiProcessStreamReceiver.java:53) > at > org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:127) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:329) > at > org.wso2.siddhi.core.query.output.callback.InsertIntoStreamCallback.send(InsertIntoStreamCallback.java:38) > at > org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter.sendToCallBacks(OutputRateLimiter.java:73) > at > org.wso2.siddhi.core.query.output.ratelimit.PassThroughOutputRateLimiter.process(PassThroughOutputRateLimiter.java:41) > at > org.wso2.siddhi.core.query.selector.QuerySelector.processNoGroupBy(QuerySelector.java:123) > at > org.wso2.siddhi.core.query.selector.QuerySelector.process(QuerySelector.java:86) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:141) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.process(ProcessStreamReceiver.java:72) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:137) > at > org.wso2.siddhi.core.stream.StreamJunction.sendData(StreamJunction.java:215) > at > org.wso2.siddhi.core.stream.StreamJunction.access$200(StreamJunction.java:47) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:349) > at > org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:49) > at > org.wso2.siddhi.core.stream.input.InputEntryValve.send(InputEntryValve.java:59) > at > org.wso2.siddhi.core.stream.input.InputHandler.send(InputHandler.java:51) > at > org.wso2.carbon.event.processor.core.internal.listener.SiddhiInputEventDispatcher.sendEvent(SiddhiInputEventDispatcher.java:39) > at > org.wso2.carbon.event.processor.core.internal.listener.AbstractSiddhiInputEventDispatcher.consumeEvent(AbstractSiddhiInputEventDispatcher.java:104) > at > org.wso2.carbon.event.stream.core.internal.EventJunction.sendEvent(EventJunction.java:146) > at > org.wso2.carbon.event.receiver.core.internal.management.InputEventDispatcher.onEvent(InputEventDispatcher.java:27) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.sendEvent(EventReceiver.java:280) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.processTypedEvent(EventReceiver.java:260) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver$TypedEventSubscription.onEvent(EventReceiver.java:344) > at > org.wso2.carbon.event.input.adapter.core.internal.InputAdapterRuntime.onEvent(InputAdapterRuntime.java:110) > at > org.wso2.carbon.event.input.adapter.wso2event.internal.ds.WSO2EventAdapterServiceDS$1.receive(WSO2EventAdapterServiceDS.java:92) > at > org.wso2.carbon.databridge.core.internal.queue.QueueWorker.run(QueueWorker.java:81) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > [2] > > [2016-06-07 12:13:48,638] ERROR > {org.wso2.carbon.event.stream.core.internal.EventJunction} - Error while > dispatching events: Index: 1, Size: 0 > java.lang.IndexOutOfBoundsException: Index: 1, Size: 0 > at java.util.LinkedList.checkPositionIndex(LinkedList.java:558) > at java.util.LinkedList.addAll(LinkedList.java:404) > at java.util.LinkedList.addAll(LinkedList.java:385) > at > org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor.updateState(StreamPreStateProcessor.java:250) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.stabilizeStates(PatternMultiProcessStreamReceiver.java:46) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.receive(MultiProcessStreamReceiver.java:79) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.receive(PatternMultiProcessStreamReceiver.java:53) > at > org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:127) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:329) > at > org.wso2.siddhi.core.query.output.callback.InsertIntoStreamCallback.send(InsertIntoStreamCallback.java:38) > at > org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter.sendToCallBacks(OutputRateLimiter.java:73) > at > org.wso2.siddhi.core.query.output.ratelimit.PassThroughOutputRateLimiter.process(PassThroughOutputRateLimiter.java:41) > at > org.wso2.siddhi.core.query.selector.QuerySelector.processNoGroupBy(QuerySelector.java:123) > at > org.wso2.siddhi.core.query.selector.QuerySelector.process(QuerySelector.java:86) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:141) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.process(ProcessStreamReceiver.java:72) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:137) > at > org.wso2.siddhi.core.stream.StreamJunction.sendData(StreamJunction.java:215) > at > org.wso2.siddhi.core.stream.StreamJunction.access$200(StreamJunction.java:47) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:349) > at > org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:49) > at > org.wso2.siddhi.core.stream.input.InputEntryValve.send(InputEntryValve.java:59) > at > org.wso2.siddhi.core.stream.input.InputHandler.send(InputHandler.java:51) > at > org.wso2.carbon.event.processor.core.internal.listener.SiddhiInputEventDispatcher.sendEvent(SiddhiInputEventDispatcher.java:39) > at > org.wso2.carbon.event.processor.core.internal.listener.AbstractSiddhiInputEventDispatcher.consumeEvent(AbstractSiddhiInputEventDispatcher.java:104) > at > org.wso2.carbon.event.stream.core.internal.EventJunction.sendEvent(EventJunction.java:146) > at > org.wso2.carbon.event.receiver.core.internal.management.InputEventDispatcher.onEvent(InputEventDispatcher.java:27) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.sendEvent(EventReceiver.java:280) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.processTypedEvent(EventReceiver.java:260) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver$TypedEventSubscription.onEvent(EventReceiver.java:344) > at > org.wso2.carbon.event.input.adapter.core.internal.InputAdapterRuntime.onEvent(InputAdapterRuntime.java:110) > at > org.wso2.carbon.event.input.adapter.wso2event.internal.ds.WSO2EventAdapterServiceDS$1.receive(WSO2EventAdapterServiceDS.java:92) > at > org.wso2.carbon.databridge.core.internal.queue.QueueWorker.run(QueueWorker.java:81) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > [3] > > [2016-06-07 12:10:23,014] ERROR > {org.wso2.carbon.event.stream.core.internal.EventJunction} - Error while > dispatching events: null > java.util.ConcurrentModificationException > at java.util.LinkedList$ListItr.checkForComodification(LinkedList.java:953) > at java.util.LinkedList$ListItr.next(LinkedList.java:886) > at > org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor.processAndReturn(StreamPreStateProcessor.java:264) > at > org.wso2.siddhi.core.query.input.StateMultiProcessStreamReceiver.processAndClear(StateMultiProcessStreamReceiver.java:51) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.process(MultiProcessStreamReceiver.java:71) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.receive(MultiProcessStreamReceiver.java:85) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.receive(PatternMultiProcessStreamReceiver.java:53) > at > org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:127) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:329) > at > org.wso2.siddhi.core.query.output.callback.InsertIntoStreamCallback.send(InsertIntoStreamCallback.java:38) > at > org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter.sendToCallBacks(OutputRateLimiter.java:73) > at > org.wso2.siddhi.core.query.output.ratelimit.PassThroughOutputRateLimiter.process(PassThroughOutputRateLimiter.java:41) > at > org.wso2.siddhi.core.query.selector.QuerySelector.processNoGroupBy(QuerySelector.java:123) > at > org.wso2.siddhi.core.query.selector.QuerySelector.process(QuerySelector.java:86) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:141) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.process(ProcessStreamReceiver.java:72) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:137) > at > org.wso2.siddhi.core.stream.StreamJunction.sendData(StreamJunction.java:215) > at > org.wso2.siddhi.core.stream.StreamJunction.access$200(StreamJunction.java:47) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:349) > at > org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:49) > at > org.wso2.siddhi.core.stream.input.InputEntryValve.send(InputEntryValve.java:59) > at > org.wso2.siddhi.core.stream.input.InputHandler.send(InputHandler.java:51) > at > org.wso2.carbon.event.processor.core.internal.listener.SiddhiInputEventDispatcher.sendEvent(SiddhiInputEventDispatcher.java:39) > at > org.wso2.carbon.event.processor.core.internal.listener.AbstractSiddhiInputEventDispatcher.consumeEvent(AbstractSiddhiInputEventDispatcher.java:104) > at > org.wso2.carbon.event.stream.core.internal.EventJunction.sendEvent(EventJunction.java:146) > at > org.wso2.carbon.event.receiver.core.internal.management.InputEventDispatcher.onEvent(InputEventDispatcher.java:27) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.sendEvent(EventReceiver.java:280) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.processTypedEvent(EventReceiver.java:260) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver$TypedEventSubscription.onEvent(EventReceiver.java:344) > at > org.wso2.carbon.event.input.adapter.core.internal.InputAdapterRuntime.onEvent(InputAdapterRuntime.java:110) > at > org.wso2.carbon.event.input.adapter.wso2event.internal.ds.WSO2EventAdapterServiceDS$1.receive(WSO2EventAdapterServiceDS.java:92) > at > org.wso2.carbon.databridge.core.internal.queue.QueueWorker.run(QueueWorker.java:81) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > [4] > > [2016-06-07 12:09:48,411] ERROR > {org.wso2.carbon.event.stream.core.internal.EventJunction} - Error while > dispatching events: null > java.lang.NullPointerException > at java.util.LinkedList.addAll(LinkedList.java:417) > at java.util.LinkedList.addAll(LinkedList.java:385) > at > org.wso2.siddhi.core.query.input.stream.state.StreamPreStateProcessor.updateState(StreamPreStateProcessor.java:250) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.stabilizeStates(PatternMultiProcessStreamReceiver.java:46) > at > org.wso2.siddhi.core.query.input.MultiProcessStreamReceiver.receive(MultiProcessStreamReceiver.java:79) > at > org.wso2.siddhi.core.query.input.stream.state.receiver.PatternMultiProcessStreamReceiver.receive(PatternMultiProcessStreamReceiver.java:53) > at > org.wso2.siddhi.core.stream.StreamJunction.sendEvent(StreamJunction.java:127) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:329) > at > org.wso2.siddhi.core.query.output.callback.InsertIntoStreamCallback.send(InsertIntoStreamCallback.java:38) > at > org.wso2.siddhi.core.query.output.ratelimit.OutputRateLimiter.sendToCallBacks(OutputRateLimiter.java:73) > at > org.wso2.siddhi.core.query.output.ratelimit.PassThroughOutputRateLimiter.process(PassThroughOutputRateLimiter.java:41) > at > org.wso2.siddhi.core.query.selector.QuerySelector.processNoGroupBy(QuerySelector.java:123) > at > org.wso2.siddhi.core.query.selector.QuerySelector.process(QuerySelector.java:86) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.processAndClear(ProcessStreamReceiver.java:141) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.process(ProcessStreamReceiver.java:72) > at > org.wso2.siddhi.core.query.input.ProcessStreamReceiver.receive(ProcessStreamReceiver.java:137) > at > org.wso2.siddhi.core.stream.StreamJunction.sendData(StreamJunction.java:215) > at > org.wso2.siddhi.core.stream.StreamJunction.access$200(StreamJunction.java:47) > at > org.wso2.siddhi.core.stream.StreamJunction$Publisher.send(StreamJunction.java:349) > at > org.wso2.siddhi.core.stream.input.InputDistributor.send(InputDistributor.java:49) > at > org.wso2.siddhi.core.stream.input.InputEntryValve.send(InputEntryValve.java:59) > at > org.wso2.siddhi.core.stream.input.InputHandler.send(InputHandler.java:51) > at > org.wso2.carbon.event.processor.core.internal.listener.SiddhiInputEventDispatcher.sendEvent(SiddhiInputEventDispatcher.java:39) > at > org.wso2.carbon.event.processor.core.internal.listener.AbstractSiddhiInputEventDispatcher.consumeEvent(AbstractSiddhiInputEventDispatcher.java:104) > at > org.wso2.carbon.event.stream.core.internal.EventJunction.sendEvent(EventJunction.java:146) > at > org.wso2.carbon.event.receiver.core.internal.management.InputEventDispatcher.onEvent(InputEventDispatcher.java:27) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.sendEvent(EventReceiver.java:280) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver.processTypedEvent(EventReceiver.java:260) > at > org.wso2.carbon.event.receiver.core.internal.EventReceiver$TypedEventSubscription.onEvent(EventReceiver.java:344) > at > org.wso2.carbon.event.input.adapter.core.internal.InputAdapterRuntime.onEvent(InputAdapterRuntime.java:110) > at > org.wso2.carbon.event.input.adapter.wso2event.internal.ds.WSO2EventAdapterServiceDS$1.receive(WSO2EventAdapterServiceDS.java:92) > at > org.wso2.carbon.databridge.core.internal.queue.QueueWorker.run(QueueWorker.java:81) > at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) > at java.util.concurrent.FutureTask.run(FutureTask.java:262) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) > at java.lang.Thread.run(Thread.java:745) > > > -- > > Thanks & regards, > Nirmal > > Team Lead - WSO2 Machine Learner > Associate Technical Lead - Data Technologies Team, WSO2 Inc. > Mobile: +94715779733 > Blog: http://nirmalfdo.blogspot.com/ > > > -- *S. Suhothayan* Technical Lead & Team Lead of WSO2 Complex Event Processor *WSO2 Inc. *http://wso2.com * <http://wso2.com/>* lean . enterprise . middleware *cell: (+94) 779 756 757 | blog: http://suhothayan.blogspot.com/ <http://suhothayan.blogspot.com/>twitter: http://twitter.com/suhothayan <http://twitter.com/suhothayan> | linked-in: http://lk.linkedin.com/in/suhothayan <http://lk.linkedin.com/in/suhothayan>*
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