#468 ✓resolved
cdmackay

java.lang.OutOfMemoryError: Java heap space

Reported by cdmackay | October 4th, 2008 @ 05:57 AM | in Support

I left JB beta8 running for several days; it's now got into a state where it's partially unresponsive.

I see a lot of these on the cmdline:

Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space

here's an example:


Sat Oct 04 13:53:42 BST 2008: SMQ Caught exception: java.lang.NullPointerException
java.lang.NullPointerException
        at com.jbidwatcher.util.db.Table.countBy(Table.java:419)
        at com.jbidwatcher.auction.AuctionEntry.snipedCount(AuctionEntry.java:1794)
        at com.jbidwatcher.app.MacFriendlyFrame.shutdown(MacFriendlyFrame.java:151)
        at com.jbidwatcher.app.UIBackbone.messageAction(UIBackbone.java:158)
        at com.jbidwatcher.ui.SwingMessageQueue.run(SwingMessageQueue.java:25)
        at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
        at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
        at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
        at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
        at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
        at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
        at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)
Exception in thread "AWT-EventQueue-0" java.lang.OutOfMemoryError: Java heap space

although it's notable that system memory usage does not seem overly high.

Comments and changes to this ticket

  • Morgan Schweers

    Morgan Schweers February 8th, 2009 @ 04:54 PM

    • Milestone changed from 2.0 Full Release to Support
    • State changed from “new” to “resolved”

    Greetings,

    Generally you want to launch JBidwatcher with -Xmx512m as a precaution. It tries not to use TOO much memory, but it is in Java, and it can easily bubble over the normal max of 64M. When software runs out of memory, everything gets very bad, very quickly. :(

    -- Morgan Schweers, CyberFOX!

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