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.getLinkedIssues(NbJiraIssue.java:651)
   at org.netbeans.modules.jira.issue.IssueLinksPanel.reloadIssueDetails(IssueLinksPanel.java:121)
   at org.netbeans.modules.jira.issue.IssueLinksPanel.access$000(IssueLinksPanel.java:79)
   at org.netbeans.modules.jira.issue.IssueLinksPanel$1.run(IssueLinksPanel.java:105)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1443)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:68)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:303)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2058)