Error when trying to analyze large heapdump

Hi,
Tried both the standalone Eclipse Memory Analyzer and also the batch file. The heapdump file is 4GB. From the batch file I get this
!SESSION 2008-09-10 12:57:15.546 -
eclipse.buildId=unknown
java.version=1.6.0_07
java.vendor=Sun Microsystems Inc.
BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=en_GB
Framework arguments: -application org.eclipse.mat.api.parse d:\Lipper\heapdump
Command-line arguments: -os win32 -ws win32 -arch x86 -consoleLog -application org.eclipse.mat.api.parse d:\Lipper\heapdump
!ENTRY org.eclipse.osgi 4 0 2008-09-10 12:57:16.218
!MESSAGE Application error
!STACK 1
java.lang.StringIndexOutOfBoundsException: String index out of range: -1
     at java.lang.String.substring(Unknown Source)
     at org.eclipse.mat.parser.internal.SnapshotFactoryImpl.deleteIndexFiles(SnapshotFactoryImpl.java:234)
     at org.eclipse.mat.parser.internal.SnapshotFactoryImpl.openSnapshot(SnapshotFactoryImpl.java:99)
     at org.eclipse.mat.snapshot.SnapshotFactory.openSnapshot(SnapshotFactory.java:87)
     at org.eclipse.mat.internal.apps.ParseSnapshotApp.parse(ParseSnapshotApp.java:74)
     at org.eclipse.mat.internal.apps.ParseSnapshotApp.start(ParseSnapshotApp.java:63)
     at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:193)
     at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
     at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
     at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:382)
     at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:179)
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
     at java.lang.reflect.Method.invoke(Unknown Source)
     at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:549)
     at org.eclipse.equinox.launcher.Main.basicRun(Main.java:504)
     at org.eclipse.equinox.launcher.Main.run(Main.java:1236)
!ENTRY org.eclipse.osgi 2 0 2008-09-10 12:57:16.250
!MESSAGE One or more bundles are not resolved because the following root constraints are not resolved:
!SUBENTRY 1 org.eclipse.osgi 2 0 2008-09-10 12:57:16.250
!MESSAGE Bundle update@plugins/org.eclipse.mat.jdt_0.7.0.200809051739.jar was not resolved.
!SUBENTRY 2 org.eclipse.mat.jdt 2 0 2008-09-10 12:57:16.250
!MESSAGE Missing required bundle org.eclipse.jdt.core_0.0.0.
!SUBENTRY 2 org.eclipse.mat.jdt 2 0 2008-09-10 12:57:16.250
!MESSAGE Missing required bundle org.eclipse.jdt.ui_0.0.0.
!ENTRY org.eclipse.osgi 2 0 2008-09-10 12:57:16.250
!MESSAGE The following is a complete list of bundles which are not resolved, see the prior log entry for the root cause if it exists:
!SUBENTRY 1 org.eclipse.osgi 2 0 2008-09-10 12:57:16.250
!MESSAGE Bundle update@plugins/org.eclipse.mat.jdt_0.7.0.200809051739.jar [65] was not resolved.
!SUBENTRY 2 org.eclipse.mat.jdt 2 0 2008-09-10 12:57:16.250
!MESSAGE Missing required bundle org.eclipse.jdt.ui_0.0.0.
!SUBENTRY 2 org.eclipse.mat.jdt 2 0 2008-09-10 12:57:16.265
!MESSAGE Missing required bundle org.eclipse.jdt.core_0.0.0.
Thx.
David

Hi,
please rename the file to something like heapdump.hprof. Then it should work.
The problem: it looks like we do not expect the heap dump to have no extension. I have opened an Bugzilla Bug. If you want to track progress, feel free to add yourself to the CC list: https://bugs.eclipse.org/bugs/show_bug.cgi?id=246853
Andreas.

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