Re: [Dspace-tech] Java Concurrent Modification Exception

2013-09-17 Thread Sean Zhao
Hi Helix After investigating, I think the exception is not the source of our crashes. Thanks for the link, it shed some light for sure. I think we’ll upgrade to 3.2 instead of trying to fixing this error. Thanks again Sean Zhao

[Dspace-tech] Java Concurrent Modification Exception

2013-09-17 Thread Sean Zhao
Dear All We periodically get this error, and it seems to cause DSpace to crash: Exception: java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextEntry(HashMap.java:793) at java.util.HashMap$ValueIterator.next(HashMap.java:822) at org.dspace.services.sessions.SessionRequ

Re: [Dspace-tech] Java Concurrent Modification Exception

2013-09-17 Thread helix84
On Tue, Sep 17, 2013 at 6:38 PM, Sean Zhao wrote: > We periodically get this error, and it seems to cause DSpace to crash: Hi Sean, yes, this was known to happen in DSpace 1.7 and 1.8. See the following thread for some background: http://dspace.2283337.n4.nabble.com/actions-which-create-new-eve