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https://issues.apache.org/jira/browse/JCR-2807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12928972#action_12928972
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Stefan Guggisberg commented on JCR-2807:
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> Any idea what I could do differently to workaround the issue?
this code is only executed when the current session doesn't
have read permission on root node.
so either grant read access on root or call save() on the
'dirty' node directly instead of calling session.save() or
rootNode.Save().
> ConcurrentModificationException in
> SessionItemStateManager.getIdOfRootTransientNodeState()
> ------------------------------------------------------------------------------------------
>
> Key: JCR-2807
> URL: https://issues.apache.org/jira/browse/JCR-2807
> Project: Jackrabbit Content Repository
> Issue Type: Bug
> Affects Versions: 2.1.2
> Reporter: Weston Bustraan
> Assignee: Stefan Guggisberg
>
> SessionItemStateManager.getIdOfRootTransientNodeState() is throwing a
> ConcurrentModificationException on line 607:
> Here's a snippet of the code:
> {code}
> for (NodeId id : candidateIds) {
> if (nodeId.equals(id) || hierMgr.isAncestor(id,
> nodeId)) {
> // already a candidate or a descendant thereof
> // => skip
> skip = true;
> break;
> }
> if (hierMgr.isAncestor(nodeId, id)) {
> // candidate is a descendant => remove
> candidateIds.remove(id);
> }
> }
> {code}
> Can't use Collection.remove(Object) in the middle of iterating. It should
> probably be changed to use Iterator.remove():
> {code}
> Iterator<NodeId> nodeIdItor = candidateIds.iterator();
> while (nodeIdItor.hasNext()) {
> NodeId id = nodeIdItor.next();
> if (nodeId.equals(id) || hierMgr.isAncestor(id,
> nodeId)) {
> // already a candidate or a descendant thereof
> // => skip
> skip = true;
> break;
> }
> if (hierMgr.isAncestor(nodeId, id)) {
> // candidate is a descendant => remove
> nodeIdItor.remove();
> }
> }
> {code}
> Any idea what I could do differently to workaround the issue?
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