[Vishal Popat]

I have hbm.xml files which I try to open with MyEclipse Hibernate Mapping Editor which causes the following error:
Unhandled event loop exception
Java heap space

And the following stacktrace

java.lang.OutOfMemoryError: Java heap space
    at java.util.Arrays.copyOfRange(Arrays.java:3209)
    at java.lang.String.<init>(String.java:215)
    at java.lang.StringBuffer.toString(StringBuffer.java:585)
    at java.io.BufferedReader.readLine(BufferedReader.java:302)
    at java.io.BufferedReader.readLine(BufferedReader.java:362)
    at org.eclipse.core.runtime.content.XMLContentDescriber.readXMLDecl(XMLContentDescriber.java:175)
    at org.eclipse.core.runtime.content.XMLContentDescriber.describe2(XMLContentDescriber.java:73)
    at org.eclipse.core.runtime.content.XMLContentDescriber.describe(XMLContentDescriber.java:68)
    at org.eclipse.ant.internal.core.contentDescriber.AntBuildfileContentDescriber.describe(AntBuildfileContentDescriber.java:104)
    at org.jboss.tools.common.ant.model.AntEntityRecognizer.getEntityName(AntEntityRecognizer.java:35)
    at org.jboss.tools.common.model.loaders.impl.ModelEntityRecognizer$EntityRecognizerWrapper.getEntityName(ModelEntityRecognizer.java:158)
    at org.jboss.tools.common.model.loaders.impl.ModelEntityRecognizer.getEntityName(ModelEntityRecognizer.java:38)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl.getEntityProperties(FolderImpl.java:211)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl.createFileObject(FolderImpl.java:220)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl._loadChild(FolderImpl.java:194)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl.loadChildren(FolderImpl.java:154)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl.loadChildren(FolderImpl.java:146)
    at org.jboss.tools.common.model.impl.RegularObjectImpl.getChildByPathPart(RegularObjectImpl.java:118)
    at org.jboss.tools.common.model.filesystems.impl.FolderImpl.getChildByPathPart(FolderImpl.java:928)
    at org.jboss.tools.common.model.impl.XModelObjectImpl.getChildByPath(XModelObjectImpl.java:308)
    at org.jboss.tools.common.model.impl.XModelObjectImpl.getChildByPath(XModelObjectImpl.java:313)
    at org.jboss.tools.common.model.util.EclipseResourceUtil.findResourceInFileSystem(EclipseResourceUtil.java:387)
    at org.jboss.tools.common.model.util.EclipseResourceUtil.getObjectByResource(EclipseResourceUtil.java:108)
    at org.jboss.tools.common.model.util.EclipseResourceUtil.createObjectForResource(EclipseResourceUtil.java:299)
    at org.jboss.tools.common.model.markers.XMarkerManager.reload(XMarkerManager.java:75)
    at org.jboss.tools.common.model.markers.XMarkerManager.reload(XMarkerManager.java:66)
    at org.jboss.tools.common.model.markers.XMarkerManager.<init>(XMarkerManager.java:39)
    at org.jboss.tools.common.model.markers.XMarkerManager.getInstance(XMarkerManager.java:30)
    at org.jboss.tools.common.model.ui.navigator.LabelDecoratorImpl.getErrorState(LabelDecoratorImpl.java:71)
    at org.jboss.tools.common.model.ui.navigator.LabelDecoratorImpl.decorateImage(LabelDecoratorImpl.java:40)
    at org.eclipse.jface.viewers.DecoratingLabelProvider.getImage(DecoratingLabelProvider.java:94)
    at org.eclipse.jface.viewers.DecoratingLabelProvider.updateLabel(DecoratingLabelProvider.java:356)

I am using MyEclipse 10.6 on MacOSX

Does anyone have any ideas of why this happening?

[support-swapna]

vishalpopat,

Sorry that you are seeing this issue.

Can you please try increasing the memory settings in myeclipse.ini file ?

The myeclipse.ini file can be found in the same folder as your MyEclipse executable. Open it in any text editor and change the values based on the size of your workspace. For instance, the following settings may be preferable to the defaults.
Code:
-vmargs
-Xmx768m
-XX:MaxPermSize=384m

Let us know how it works for you.

[Vishal Popat]

@support-swapna wrote:

vishalpopat,
-Xmx768m
-XX:MaxPermSize=384m
/quote]

The above settings didnt work but these did
-Xmx1500m
-XX:MaxPermSize=1000m

The above settings seem rather high, doesnt it? Could there be something else that is causing high mem usage?

[support-swapna]

vishalpopat,

If you are using a 64-bit machine, more space must be allocated.

You can monitor your heap status and check what operations trigger a bump in the heap status. Please do the following –

1. Open MyEclipse IDE, from menu options click on Window > Preferences > General. On the right hand pane, tick the checkbox for “Show heap status”. This will add the heap status monitor and garbage collector to the IDE staus bar.
2. Run the garbage collector.

Let us know if you see any issues.

[Author]

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