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Posted to issues@rocketmq.apache.org by "Eason Chen (JIRA)" <ji...@apache.org> on 2017/03/17 13:05:41 UTC
[jira] [Created] (ROCKETMQ-145) Hit ConcurrentModificationException
in doWaitTransfer which happens very offen
Eason Chen created ROCKETMQ-145:
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Summary: Hit ConcurrentModificationException in doWaitTransfer which happens very offen
Key: ROCKETMQ-145
URL: https://issues.apache.org/jira/browse/ROCKETMQ-145
Project: Apache RocketMQ
Issue Type: Bug
Components: rocketmq-store
Affects Versions: 4.0.0-incubating
Reporter: Eason Chen
Assignee: yukon
we use master and slave , sync transfer and asyn flush, happens this very offen:
2017-03-17 20:12:38 WARN GroupTransferService - GroupTransferService service has exception.
java.util.ConcurrentModificationException: null
at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) ~[na:1.8.0_121]
at java.util.ArrayList$Itr.next(ArrayList.java:851) ~[na:1.8.0_121]
at org.apache.rocketmq.store.ha.HAService$GroupTransferService.doWaitTransfer(HAService.java:277) ~[rocketmq-store-4.0.0-incubating.jar:4.0.0-incubating]
at org.apache.rocketmq.store.ha.HAService$GroupTransferService.run(HAService.java:301) ~[rocketmq-store-4.0.0-incubating.jar:4.0.0-incubating]
at java.lang.Thread.run(Thread.java:745) [na:1.8.0_121]
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