Re: Exception in Cayenne Modeler, heap blows up

From: gilbertoca (gilbertoc..mail.com)
Date: Fri Oct 01 2010 - 20:40:38 UTC

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    When I try: DBENTITY->RELATIONSHIP->SYNC, It doesn't matter what memory you
    put.

    Using java -Xmx512m -jar ~/bin/cayenne-3.0.1/bin/CayenneModeler.jar

    > Oct 1, 2010 5:21:40 PM org.apache.cayenne.modeler.util.ModelerLogger info
    > INFO: +++ transaction committed.
    > Oct 1, 2010 5:22:10 PM org.apache.cayenne.modeler.util.ModelerLogger error
    > SEVERE: CayenneModeler Error
    > java.lang.OutOfMemoryError: Java heap space
    > at java.util.Arrays.copyOf(Arrays.java:2734)
    > at java.util.Vector.ensureCapacityHelper(Vector.java:226)
    > at java.util.Vector.addElement(Vector.java:573)
    > at javax.swing.undo.CompoundEdit.addEdit(CompoundEdit.java:125)
    > at
    > org.apache.cayenne.modeler.undo.DbEntitySyncUndoableEdit$MeaningfulFKsUndoableEdit.<init>(DbEntitySyncUndoableEdit.java:89)
    > at
    > org.apache.cayenne.modeler.action.DbEntitySyncAction.synchDbEntity(DbEntitySyncAction.java:95)
    > at
    > org.apache.cayenne.modeler.action.DbEntitySyncAction.performAction(DbEntitySyncAction.java:60)
    > at
    > org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:163)
    > at
    > javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
    > at
    > javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
    > at
    > javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    > at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
    > at
    > javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
    > at
    > java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
    >

    Using java -Xmx912m -jar ~/bin/cayenne-3.0.1/bin/CayenneModeler.jar [1]

    > INFO: +++ transaction committed.
    > Oct 1, 2010 5:27:15 PM org.apache.cayenne.modeler.util.ModelerLogger error
    > SEVERE: CayenneModeler Error
    > java.lang.OutOfMemoryError: GC overhead limit exceeded
    > at
    > org.apache.cayenne.modeler.undo.DbEntitySyncUndoableEdit$MeaningfulFKsUndoableEdit.<init>(DbEntitySyncUndoableEdit.java:89)
    > at
    > org.apache.cayenne.modeler.action.DbEntitySyncAction.synchDbEntity(DbEntitySyncAction.java:95)
    > at
    > org.apache.cayenne.modeler.action.DbEntitySyncAction.performAction(DbEntitySyncAction.java:60)
    > at
    > org.apache.cayenne.modeler.util.CayenneAction.actionPerformed(CayenneAction.java:163)
    > at
    > javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
    > at
    > javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
    > at
    > javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
    > at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
    > at
    > javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
    > at
    > java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
    > at java.awt.Component.processMouseEvent(Component.java:6267)
    > at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
    > at java.awt.Component.processEvent(Component.java:6032)
    > at java.awt.Container.processEvent(Container.java:2041)
    > at java.awt.Component.dispatchEventImpl(Component.java:4630)
    > at java.awt.Container.dispatchEventImpl(Container.java:2099)
    > at java.awt.Component.dispatchEvent(Component.java:4460)
    > at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
    > at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
    > at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
    > at java.awt.Container.dispatchEventImpl(Container.java:2085)
    > at java.awt.Window.dispatchEventImpl(Window.java:2478)
    > at java.awt.Component.dispatchEvent(Component.java:4460)
    > at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
    > at
    > java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
    > at
    > java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
    > at
    > java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
    > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
    > at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)
    > at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)
    >

    The workaround:
    OBJENTITY->RELATIONSHIP: remove the relationships
    OBJENTITY->RELATIONSHIP->SYNC

    Regards,

    Gilberto

    [1]http://dl.dropbox.com/u/9093640/CayenneModelerError.png 

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