Amareshwari Sriramadasu created LENS-1029:
---------------------------------------------
Summary: lens-server-snapshotter died in one of the scenarios
Key: LENS-1029
URL: https://issues.apache.org/jira/browse/LENS-1029
Project: Apache Lens
Issue Type: Bug
Components: server
Reporter: Amareshwari Sriramadasu
Fix For: 2.6
We have seen the following in our production:
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26 Apr 2016 14:00:11 [fffdab0b-47fc-4f03-a4d3-3002b1ac5f41]
[lens-server-snapshotter] ERROR org.apache.lens.server.LensServer - Uncaught
exception in Thread Thread[lens-server-snapshotter,5,main]
java.lang.NullPointerException: null
at
org.apache.lens.lib.query.AbstractFileFormatter.writeExternal(AbstractFileFormatter.java:101)
~[lens-query-lib-2.6.1-inm.jar:2.6.1-inm]
at
java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
~[na:1.8.0_72]
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
~[na:1.8.0_72]
at
org.apache.lens.lib.query.WrappedFileFormatter.writeExternal(WrappedFileFormatter.java:145)
~[lens-query-lib-2.6.1-inm.jar:2.6.1-inm]
at
java.io.ObjectOutputStream.writeExternalData(ObjectOutputStream.java:1459)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1430)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1548)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1509)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1432)
~[na:1.8.0_72]
at
java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1178)
~[na:1.8.0_72]
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:348)
~[na:1.8.0_72]
at
org.apache.lens.server.query.QueryExecutionServiceImpl.writeExternal(QueryExecutionServiceImpl.java:2623)
~[classes/:na]
at
org.apache.lens.server.LensServices.persistLensServiceState(LensServices.java:337)
~[classes/:na]
at org.apache.lens.server.LensServices.access$100(LensServices.java:57)
~[classes/:na]
at org.apache.lens.server.LensServices$1.run(LensServices.java:277)
~[classes/:na]
at java.util.TimerThread.mainLoop(Timer.java:555) ~[na:1.8.0_72]
at java.util.TimerThread.run(Timer.java:505) ~[na:1.8.0_72]
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