ConcurrentModificationException in Executing.handleView ------------------------------------------------------- Key: JGRP-1756 URL: https://issues.jboss.org/browse/JGRP-1756 Project: JGroups Issue Type: Bug Affects Versions: 3.4.1 Environment: Debian GNU/Linux 7.2 (wheezy) Java(TM) SE Runtime Environment (build 1.7.0_45-b18) Java HotSpot(TM) 64-Bit Server VM (build 24.45-b08, mixed mode) Reporter: Borut Jeric Assignee: William Burns Fix For: 3.5 2013-12-16 16:00:39,511 [ervices-am] [ERROR] org.jgroups.protocols.pbcast.GMS - JGRP000027: failed passing message up: %s java.util.ConcurrentModificationException: null at java.util.HashMap$HashIterator.nextEntry(HashMap.java:926) ~[na:1.7.0_45] at java.util.HashMap$EntryIterator.next(HashMap.java:966) ~[na:1.7.0_45] at java.util.HashMap$EntryIterator.next(HashMap.java:964) ~[na:1.7.0_45] at org.jgroups.protocols.Executing.handleView(Executing.java:565) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.CENTRAL_EXECUTOR.handleView(CENTRAL_EXECUTOR.java:135) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.Executing.up(Executing.java:531) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.STATE_TRANSFER.up(STATE_TRANSFER.java:178) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.RSVP.up(RSVP.java:187) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.FRAG2.up(FRAG2.java:165) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.FlowControl.up(FlowControl.java:381) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.FlowControl.up(FlowControl.java:381) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.GMS.installView(GMS.java:714) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.CoordGmsImpl.handleViewChange(CoordGmsImpl.java:244) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.GMS.up(GMS.java:904) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.stack.Protocol.up(Protocol.java:401) ~[rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.STABLE.up(STABLE.java:294) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.UNICAST3.up(UNICAST3.java:423) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.NAKACK2.removeAndPassUp(NAKACK2.java:876) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.NAKACK2.handleMessage(NAKACK2.java:783) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.pbcast.NAKACK2.up(NAKACK2.java:570) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.BARRIER.up(BARRIER.java:107) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.VERIFY_SUSPECT.up(VERIFY_SUSPECT.java:147) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.FD_ALL.up(FD_ALL.java:184) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.FD_SOCK.up(FD_SOCK.java:301) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.MERGE2.up(MERGE2.java:209) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.Discovery.up(Discovery.java:379) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.TP.passMessageUp(TP.java:1399) [rgs-services-af-jg-srv-0.0.1.jar:na] at org.jgroups.protocols.TP$MyHandler.run(TP.java:1585) [rgs-services-af-jg-srv-0.0.1.jar:na] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45] at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]