Typically I use Eclipse MAT GUI to run OQL on a heap dump to extract data. I was just wondering if there is any way to run any OQL with ParseHeapDump utility? Basically, I wanted to go beyond those four standard reports and run my own OQLs to find out cause.
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You would have to write your own report which could then execute the OQL. The report is a small XML file. See MAT forum post: Command Line processing of hprof
I think you could also pass in the actual OQL command from your command line using ${} substitution in the report XML, but you would need to be careful about substitution and escaping of quotes etc.
Eclipse Memory Analyzer 1.11 will have the org.eclipse.mat.api:query to run a single query in a report. Unfortunately the command line escaping of backslash and double-quote makes the syntax look complicated, but there is help.
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