FULL PRODUCT VERSION : java version "1.7.0" Java(TM) SE Runtime Environment (build 1.7.0-b147) Java HotSpot(TM) Client VM (build 21.0-b17, mixed mode, sharing) (Verified that it's still a problem in: http://hg.openjdk.java.net/jdk7u/jdk7u) FULL OS VERSION : Applies to ALL OS's. A DESCRIPTION OF THE PROBLEM : In hotspot/src/share/vm/gc_interface/gcCause.cpp: There is not case for _adaptive_size_policy (which is a common condition). Whenever a cause is printed for this case, the string is: "unknown GCCause", which is quite ambiguous. THE PROBLEM WAS REPRODUCIBLE WITH -Xint FLAG: Did not try THE PROBLEM WAS REPRODUCIBLE WITH -server FLAG: Did not try REPRODUCIBILITY : This bug can be reproduced always.
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