[jira] [Commented] (ROCKETMQ-145) Hit ConcurrentModificationException in doWaitTransfer which happens very offen
[ https://issues.apache.org/jira/browse/ROCKETMQ-145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15956189#comment-15956189 ] Eason Chen commented on ROCKETMQ-145: - seems fixed > 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] -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Commented] (ROCKETMQ-145) Hit ConcurrentModificationException in doWaitTransfer which happens very offen
[ https://issues.apache.org/jira/browse/ROCKETMQ-145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931110#comment-15931110 ] ASF subversion and git services commented on ROCKETMQ-145: -- Commit 0b39fcadfa2950f1dd3975e1262ccd544f350750 in incubator-rocketmq's branch refs/heads/develop from [~Yukon] [ https://git-wip-us.apache.org/repos/asf?p=incubator-rocketmq.git;h=0b39fca ] [ROCKETMQ-145][HOTFIX] Resolve concureent issue in HAService and GroupCommitService > 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] -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Commented] (ROCKETMQ-145) Hit ConcurrentModificationException in doWaitTransfer which happens very offen
[ https://issues.apache.org/jira/browse/ROCKETMQ-145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931031#comment-15931031 ] yukon commented on ROCKETMQ-145: And this issue also appears in GroupCommitService, which will be fixed together. > 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] -- This message was sent by Atlassian JIRA (v6.3.15#6346)
[jira] [Commented] (ROCKETMQ-145) Hit ConcurrentModificationException in doWaitTransfer which happens very offen
[ https://issues.apache.org/jira/browse/ROCKETMQ-145?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15931025#comment-15931025 ] Zhanhui Li commented on ROCKETMQ-145: - We have identified cause of this issue and will fix very soon. > 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] -- This message was sent by Atlassian JIRA (v6.3.15#6346)
