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I have already added -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath="C:\hd.hprof" to Default VM arguments but I don't know why the heap dump file not generated when OutOfMemoryError thrown. Can anyone halp me?

More details:

  • My JRE version is 1.7.0_02

  • The heap dump is generated once for the first time but when I change HeapDumpPath, it not generated anymore. Already revert HeapDumpPath to be the same as the first time but heap dump still not generated

  • File C:\hd.hprof already exists.

  • Below image is the eclipse dialog when I force close eclipse. In that dialog, I can see that eclipse have included my arguments ]![Below image is the eclipse dialog when I force closing eclipse. In that dialog, I can see that eclipse have included my arguments

enter image description here

Thanks you.

Wayne
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  • This seems to be an issue with permissions, you could try another path like C:\TEMP. But don't ask where the c:\hd.prof comes from ;-) – stacker Jun 12 '12 at 10:46
  • I don't think so because I have already tried many different paths but the result is still the same. – Wayne Jun 12 '12 at 14:53
  • Because the application I want to get heap dump when OutOfMem Exeption thrown is an Android application. – Wayne Jun 12 '12 at 15:07

1 Answers1

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Some thrown heap overflows are not real overflows, but are thrown directly after calculation.In fact, there is no overflow, so no heap dump will be generated.For example, when using DirectByteBuffer

DeepFeeling1999
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