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This bug was originally marked as duplicate of bug 253592, that is already resolved. This bug is still valid, so this seems to be another bug, but it might be related. Build: NetBeans IDE Dev (Build 201507280002) VM: Java HotSpot(TM) 64-Bit Server VM, 25.51-b03, Java(TM) SE Runtime Environment, 1.8.0_51-b16 OS: Linux User Comments: alied: updating a Jira issue from a commit. Probably NB was also updatiing Jira queries at the same time... alied: Hopefully this provides more data. alied: this should be fixed in next build. alied: this is getting frequent... Stacktrace: java.util.ConcurrentModificationException at java.util.LinkedHashMap$LinkedHashIterator.nextNode(LinkedHashMap.java:711) at java.util.LinkedHashMap$LinkedValueIterator.next(LinkedHashMap.java:739) at java.util.Collections$UnmodifiableCollection$1.next(Collections.java:1042) at org.netbeans.modules.jira.issue.NbJiraIssue.getCustomFields(NbJiraIssue.java:623) at org.netbeans.modules.jira.issue.IssuePanel.getSupportedCustomFields(IssuePanel.java:557) at org.netbeans.modules.jira.issue.IssuePanel.updateCustomFieldStatuses(IssuePanel.java:1376)
Created attachment 154980 [details] stacktrace
tried to fix in #3082fb42dd16, but did not raise the modules version (blame me) so far you are still using jira 1.56 please update to jira 1.57 once it will be made available and try again thanks
*** This bug has been marked as a duplicate of bug 253592 ***