OpenJDK will decommission the HPROF agent and remove the jhat tool from JDK 9. InfoQ covers options that supersede these commandline JDK tools.

changed the title java.lang.IllegalArgumentException: Unsupported Hprof version java.lang.IllegalArgumentException: Unsupported Hprof version on Oct 11, 2021 ...

FAILURE: org.eclipse.mat.SnapshotException: Parser found 0 HPROF dumps in file suspected_leak_heapdump.hprof. No heap dump index 0 found. See FAQ. at org.eclipse.mat.hprof.Pass1Parser.read ...

Run with hprof Running your program with hprof is easy. Simply invoke the Java runtime with the following command-line option, as described in the JDK tool documentation for the Java application ...