Probably the recently added "phone home" functionality (UDC). Just a guess, though.
-----Original Message----- From: [email protected] [mailto:[email protected]] On Behalf Of Adam Lehenbauer Sent: Wednesday, October 13, 2010 9:49 AM To: Neo4j user discussions Subject: [SPAM] Re: [Neo4j] EmbeddedGraphDatabase shutdown leaves a Timer thread running I added: Map<String, String> map = new HashMap<String, String>(); map.put("cache_type", "soft"); and gave the map to the EmbeddedGraphDatabase constructor; no change in behavior. I'm running: Java HotSpot, 1.6.0_18 64 bit Ubuntu 10.04 (lucid) I've got 4 AMD Phenom cores. On Wed, Oct 13, 2010 at 9:34 AM, Chris Gioran <[email protected]>wrote: > On Wed, Oct 13, 2010 at 4:11 PM, Adam Lehenbauer <[email protected]> > wrote: > > I think I have the Getting Started example working, but after it creates > the > > nodes and shuts down, my JVM won't exit because there is a non-daemon > Timer > > thread running. > > > > I have an example class with a main() that is copied near-verbatim from > > http://wiki.neo4j.org/content/Getting_Started_Guide except for the db > path > > and a few extra System.outs. > > > > Everything seems to work normally, but after shutting down > > the EmbeddedGraphDatabase the JVM will not exit. A jstack shows a running > > java.util.TimerThread, which I assume is started by the database. > > > > Its stack is: > > > > --- > > "Timer-0" prio=10 tid=0x00007f59c0056800 nid=0xa29 in Object.wait() > > [0x00007f59bf6d5000] > > java.lang.Thread.State: TIMED_WAITING (on object monitor) > > at java.lang.Object.wait(Native Method) > > - waiting on <0x00007f5a1ed37270> (a java.util.TaskQueue) > > at java.util.TimerThread.mainLoop(Timer.java:509) > > - locked <0x00007f5a1ed37270> (a java.util.TaskQueue) > > at java.util.TimerThread.run(Timer.java:462) > > --- > > > > I'm using the neo4j maven dependency: org.neo4j.neo4j, version=1.2.M01, > > type=pom. When I changed this to neo4j-kernel, version=1.0 the JVM exited > as > > expected (no code change on my end). > > > > Does anyone have any idea why this is happening? > > > > Adam > > Hi there, > > Could you run it with a configuration setting of "cache_type"="soft" > and inform on the result? > Also, describe a bit your environment (CPU, OS, JVM) > > cheers, > CG > _______________________________________________ > Neo4j mailing list > [email protected] > https://lists.neo4j.org/mailman/listinfo/user > _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user _______________________________________________ Neo4j mailing list [email protected] https://lists.neo4j.org/mailman/listinfo/user
