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/
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