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IV33528: ILLEGALMONITORSTATEEXCEPTION THROWN BY JIT-COMPILED METHOD

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: An IllegalMonitorStateException is thrown by a
Java method that has been re-compiled at higher optimization
levels. The throwing method likely has been inlined into a loop
in its caller.
.
Stack Trace: N/A
.

Local fix

  • This issue can be worked around using the
-Xjit:disableRedundantMonitorElimination option.

Problem summary

  • This problem occurs when the inlining of a virtual method is
disabled for correctness, e.g. after the loading of a new class
that implements the same method. If the inlined call site is on
a code path that locks multiple objects, the compensating code
generated by the JIT compiler incorrectly attempts to unlock the
same object twice.

Problem conclusion

  • This defect will be fixed in:
6.0.0 SR13
5.0.0 SR16
6.0.1 SR5
7.0.0 SR4
.
The JIT compiler has been updated to generate correct code for
the non-inlined virtual method call sequence.

Temporary fix

  • 



Comments


    

  • 



APAR Information




    

  • APAR number
    IV33528
    • 

  • Reported component name
    JIT
    • 

  • Reported component ID
    620700124
    • 

  • Reported release
    600
    • 

  • Status
    CLOSED  PER
    • 

  • PE
    NoPE
    • 

  • HIPER
    NoHIPER
    • 

  • Special Attention
    NoSpecatt
    • 

  • Submitted date
    2012-12-17
    • 

  • Closed date
    2012-12-18
    • 

  • Last modified date
    2013-02-28
    • 





    

  • APAR is sysrouted FROM one or more of the following:
    

    • 

  • APAR is sysrouted TO one or more of the following:
    

    
IV33529
    

    • 



Fix information


    

  • Fixed component name
    JIT
    • 

  • Fixed component ID
    620700124
    • 



Applicable component levels


    

  • R600  PSY
       UP
    • 

  • R260  PSY
       UP
    • 








      
              
                            

              

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Document Information


            

            


                        

            Modified date:
            

            28 February 2013
            

            
                      

        


        

        


      

    

  



    

  

  
    
            

          
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