Re: Looking for help with a deadlock issue

2012-07-28 Thread John Szakmeister
On Fri, Jul 27, 2012 at 12:02 PM, Kyle R. Burton wrote: > I encountered a deadlock on one of our production systems (one out of > 3) last night. Looking at a thread dump of the JVM, there are several > (over 200) threads that are all waiting on a > java.util.concurrent.locks.ReentrantLock from Ke

Re: Looking for help with a deadlock issue

2012-07-27 Thread paul santa clara
Hi Nealie, >From the thread dump, while there certainly is a lot of recursion going on, it doesn't look to me like the stack is blowing. Rather, many of the threads appear to be WAITING on the reentrant lock used for coordination on the java.util.concurrent.HashMap that stores the interned keywor

Re: Looking for help with a deadlock issue

2012-07-27 Thread Neale Swinnerton
The infinite recursion on Keyword.intern() looks very similar to this bug, fixed in 1.3.0 http://dev.clojure.org/jira/browse/CLJ-444 Neale {t: @sw1nn, w: sw1nn.com } On Fri, Jul 27, 2012 at 5:02 PM, Kyle R. Burton wrote: > I encountered a deadlock on one of our production systems (one out

Looking for help with a deadlock issue

2012-07-27 Thread Kyle R. Burton
I encountered a deadlock on one of our production systems (one out of 3) last night. Looking at a thread dump of the JVM, there are several (over 200) threads that are all waiting on a java.util.concurrent.locks.ReentrantLock from Keyword.intern. I've put up the thread dump and information about