Details
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Bug
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Status: Closed
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Major
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Resolution: Fixed
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None
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None
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None
Description
I found the Twitter Feed is not working properly after the recent modifications to the feed part. Following exceptions is captured using the twitter feed example on our website.
<quote>
2016-08-05 22:02:07,424 WARN [pool-21-thread-1] dataflow.FeedRecordDataFlowController (FeedRecordDataFlowController.java:start(101)) - Failure while operating a feed source
java.lang.IllegalMonitorStateException
at java.lang.Object.wait(Native Method)
at org.apache.asterix.external.dataflow.FeedRecordDataFlowController.start(FeedRecordDataFlowController.java:87)
at org.apache.asterix.external.dataset.adapter.FeedAdapter.start(FeedAdapter.java:36)
at org.apache.asterix.external.feed.runtime.AdapterExecutor.run(AdapterExecutor.java:57)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
2016-08-05 22:02:07,425 ERROR [pool-21-thread-1] runtime.AdapterExecutor (AdapterExecutor.java:run(61)) - Exception during feed ingestion
org.apache.hyracks.api.exceptions.HyracksDataException: null
at org.apache.asterix.external.dataflow.FeedRecordDataFlowController.start(FeedRecordDataFlowController.java:102)
at org.apache.asterix.external.dataset.adapter.FeedAdapter.start(FeedAdapter.java:36)
at org.apache.asterix.external.feed.runtime.AdapterExecutor.run(AdapterExecutor.java:57)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.IllegalMonitorStateException
at java.lang.Object.wait(Native Method)
at org.apache.asterix.external.dataflow.FeedRecordDataFlowController.start(FeedRecordDataFlowController.java:87)
... 5 more
org.apache.hyracks.api.exceptions.HyracksDataException: java.util.ConcurrentModificationException
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:218)
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.initialize(SuperActivityOperatorNodePushable.java:83)
at org.apache.hyracks.control.nc.Task.run(Task.java:263)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.util.concurrent.ExecutionException: java.util.ConcurrentModificationException
at java.util.concurrent.FutureTask.report(FutureTask.java:122)
at java.util.concurrent.FutureTask.get(FutureTask.java:192)
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:212)
... 5 more
Caused by: java.util.ConcurrentModificationException
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
at java.util.ArrayList$Itr.next(ArrayList.java:851)
at org.apache.asterix.external.feed.runtime.IngestionRuntime.terminate(IngestionRuntime.java:78)
at org.apache.asterix.external.operators.FeedIntakeOperatorNodePushable.initialize(FeedIntakeOperatorNodePushable.java:107)
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$initialize$0(SuperActivityOperatorNodePushable.java:83)
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:205)
at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:202)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
... 3 more
2016-08-05 22:02:07,438 INFO [ActiveJobNotificationHandler] management.FeedEventsListener (FeedEventsListener.java:handleJobFinishEvent(132)) - Intake Job finished for feed intake JID:23
2016-08-05 22:02:07,439 INFO [ActiveJobNotificationHandler] management.FeedEventsListener (FeedEventsListener.java:deregisterFeedIntakeJob(191)) - Deregistered feed intake job [JID:23]
Aug 05, 2016 10:02:07 PM org.apache.hyracks.control.nc.Joblet close
WARNING: Freeing leaked 16384 bytes
2016-08-05 22:02:07,445 INFO [ActiveJobNotificationHandler] management.FeedEventsListener (FeedEventsListener.java:handleJobFinishEvent(126)) - Collect Job finished for JID:24 [FEED_CONNECT]
2016-08-05 22:02:07,446 INFO [ActiveJobNotificationHandler] management.FeedEventsListener (FeedEventsListener.java:handleFeedCollectJobFinishMessage(384)) - Subscription feeds.TwitterFeed(Feed)-->Tweets completed successfully. Removed subscription
</quote>