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ASF subversion and git services commented on WICKET-6021: --------------------------------------------------------- Commit 75d5b5c0f643de592f5640e8f55c5dfe158594e1 in wicket's branch refs/heads/wicket-7.x from [~mgrigorov] [ https://git-wip-us.apache.org/repos/asf?p=wicket.git;h=75d5b5c ] WICKET-6021 ConcurrentModificationException in MarkupContainer#iterator#next Add a test case that exposes the CME in 7.1.0 > ConcurrentModificationException in MarkupContainer#iterator#next > ---------------------------------------------------------------- > > Key: WICKET-6021 > URL: https://issues.apache.org/jira/browse/WICKET-6021 > Project: Wicket > Issue Type: Bug > Components: wicket > Affects Versions: 7.1.0 > Reporter: Martin Grigorov > Assignee: Emond Papegaaij > Fix For: 7.2.0, 8.0.0-M1 > > > I'm upgrading Apache Isis to Wicket 7.1.0 (from 6.20) and I face the > following problem: > java.util.ConcurrentModificationException > at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901) > at java.util.ArrayList$Itr.next(ArrayList.java:851) > at org.apache.wicket.MarkupContainer$1.next(MarkupContainer.java:553) > at org.apache.wicket.MarkupContainer$1.next(MarkupContainer.java:522) > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:134) > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162) > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:162) > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:123) > at org.apache.wicket.util.visit.Visits.visitChildren(Visits.java:192) > at > org.apache.wicket.MarkupContainer.visitChildren(MarkupContainer.java:891) > at > org.apache.wicket.MarkupContainer.internalInitialize(MarkupContainer.java:995) > at org.apache.wicket.Page.internalPrepareForRender(Page.java:240) > at org.apache.wicket.Component.render(Component.java:2304) > at org.apache.wicket.Page.renderPage(Page.java:1018) > I think it is caused by the changes in WICKET-5983 -- This message was sent by Atlassian JIRA (v6.3.4#6332)