JDK-6831604 : missing null check in guarantee
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs16
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: solaris_9
  • CPU: sparc
  • Submitted: 2009-04-17
  • Updated: 2011-03-08
  • Resolved: 2011-03-08
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JDK 6 JDK 7 Other
6u18Fixed 7Fixed hs16Fixed
Related Reports
Relates :  
JDK-6655638 - dynamic languages need method handles
Description
A new guarantee added for 6655638 is causing crashes during dumping.  The code is missing a null check.
Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot/hotspot/rev/981375ca07b7
18-04-2009
SUGGESTED FIX diff --git a/src/share/vm/memory/dump.cpp b/src/share/vm/memory/dump.cpp --- a/src/share/vm/memory/dump.cpp +++ b/src/share/vm/memory/dump.cpp @@ -929,7 +929,8 @@ public: guarantee(SystemDictionary::constraints()->number_of_entries() == 0, "loader constraints are not saved"); // Revisit and implement this if we prelink method handle call sites: - guarantee(SystemDictionary::invoke_method_table()->number_of_entries() == 0, + guarantee(SystemDictionary::invoke_method_table() == NULL || + SystemDictionary::invoke_method_table()->number_of_entries() == 0, "invoke method table is not saved"); GenCollectedHeap* gch = GenCollectedHeap::heap();
17-04-2009