[IGNITE-885] NPE in GridMapQueryExecutor under load on changing topology

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: sprint-7
• Component/s: cache
• Assignee: Unassigned
• Reporter: Dmitriy Setrakyan
• Created: 09/May/15 15:50
• Updated: 23/Jul/15 08:41
• Resolved: 01/Jul/15 19:12

Description

The error is reproduced with "streaming.wordcount" example.

1. Start instance of ExampleNodeStartup
2. Start StreamWords instance
3. Start QueryWords instance
4. Watch query results coming
5. Start another ExampleNodeStartup instance.

On the new ExampleNodeStartup I get the following error:

[08:31:31]   /  _/ ___/ |/ /  _/_  __/ __/ 
[08:31:31]  _/ // (7 7    // /  / / / _/   
[08:31:31] /___/\___/_/|_/___/ /_/ /___/  
[08:31:31]  
[08:31:31] ver. 1.0.4#20150507-sha1:0c13a08b
[08:31:31] 2015 Copyright(C) Apache Software Foundation
[08:31:31] 
[08:31:31] Quiet mode.
[08:31:31]   ^-- Logging to file '/Users/Dmitriy/GridGain/gitroot/incubator-ignite/work/log/ignite-0b843b9b.log'
[08:31:31]   ^-- To see **FULL** console log here add -DIGNITE_QUIET=false or "-v" to ignite.{sh|bat}
[08:31:31] 
[08:31:31] Configured plugins:
[08:31:31]   ^-- None
[08:31:31] 
[08:31:33,018][ERROR][ignite-#8%pub-null%][GridMapQueryExecutor] Failed to process message: GridQueryRequest [reqId=57, pageSize=1024, space=words, qrys=[GridCacheSqlQuery [alias=__Z0(), qry=SELECT
    _VAL __C0,
    COUNT(_VAL) __C1
FROM "words".STRING
GROUP BY __C0
ORDER BY 2 DESC LIMIT 10, params=[]]]]
java.lang.NullPointerException
	at org.apache.ignite.internal.processors.query.h2.twostep.GridMapQueryExecutor.onQueryRequest(GridMapQueryExecutor.java:225)
	at org.apache.ignite.internal.processors.query.h2.twostep.GridMapQueryExecutor.onMessage(GridMapQueryExecutor.java:150)
	at org.apache.ignite.internal.processors.query.h2.twostep.GridMapQueryExecutor$2.onMessage(GridMapQueryExecutor.java:125)
	at org.apache.ignite.internal.managers.communication.GridIoManager$ArrayListener.onMessage(GridIoManager.java:1603)
	at org.apache.ignite.internal.managers.communication.GridIoManager.processRegularMessage0(GridIoManager.java:690)
	at org.apache.ignite.internal.managers.communication.GridIoManager.access$1500(GridIoManager.java:58)
	at org.apache.ignite.internal.managers.communication.GridIoManager$5.run(GridIoManager.java:653)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
	at java.lang.Thread.run(Thread.java:745)
[08:31:34] Performance suggestions for grid  (fix if possible)
[08:31:34] To disable, set -DIGNITE_PERFORMANCE_SUGGESTIONS_DISABLED=true
[08:31:34]   ^-- Disable peer class loading (set 'peerClassLoadingEnabled' to false)
[08:31:34]   ^-- Disable grid events (remove 'includeEventTypes' from configuration)
[08:31:34] 
[08:31:34] To start Console Management & Monitoring run ignitevisorcmd.{sh|bat}
[08:31:34] 
[08:31:34] Ignite node started OK (id=0b843b9b)
[08:31:34] Topology snapshot [ver=7, nodes=3, CPUs=4, heap=9.6GB]
...