[rvm-issues] [jira] (RVM-955) Failure on jython when forcing opt-compilation

[Andreas S. (JIRA) <ji...@co...>]

     [ https://jira.codehaus.org/browse/RVM-955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andreas Sewe resolved RVM-955.
------------------------------

    Resolution: Not A Bug

Issue with the DaCapo benchmark (or rather its upstream dependency): https://sourceforge.net/tracker/?func=detail&aid=3049886&group_id=172498&atid=861957.
                
> Failure on jython when forcing opt-compilation
> ----------------------------------------------
>
>                 Key: RVM-955
>                 URL: https://jira.codehaus.org/browse/RVM-955
>             Project: RVM
>          Issue Type: Bug
>          Components: Compiler: Optimizing
>    Affects Versions: 3.1.2, hg tip
>         Environment: production Jikes RVM 3.1.2+hg (revision cdf5bdf89b663bdfeb8d461a6db1bd7c13e233d7)
> Linux morricone 2.6.32-39-generic #86-Ubuntu SMP Mon Feb 13 21:47:32 UTC 2012 i686 GNU/Linux
>            Reporter: Andreas Sewe
>
> When running {{jython}} from the DaCapo 9.12 benchmark suite (the 2006-10-MR2 {{jython}} runs fine) such that all methods are optimized at least at level O0, the benchmark fails with the following exception:
> {quote}
> ./dist/production_ia32-linux/rvm -X:aos:enable_recompilation=false -X:aos:initial_compiler=opt -X:irc:O0 -jar dacapo-9.12.jar jython
> error importing site
> Traceback (most recent call last):
>   File "/home/sewe/Desktop/hg/jikesrvm/scratch/jython/Lib/site.py", line 0, in <module>
> java.lang.NullPointerException
>    at org.python.core.PyTableCode.call(PyTableCode.java:165)
>    at org.python.core.PyCode.call(PyCode.java:18)
>    at org.python.core.imp.createFromCode(imp.java:326)
>    at org.python.core.imp.createFromSource(imp.java:289)
>    at org.python.core.imp.loadFromSource(imp.java:511)
>    at org.python.core.imp.find_module(imp.java:411)
>    at org.python.core.imp.import_next(imp.java:635)
>    at org.python.core.imp.import_first(imp.java:656)
>    at org.python.core.imp.load(imp.java:564)
>    at org.python.util.jython.run(jython.java:165)
>    at org.python.util.jython.main(jython.java:117)
>    at org.jikesrvm.classloader.ReflectionBase$$Reflect40042.invokeInternal(Unknown Source:0)
>    at org.jikesrvm.runtime.ReflectionBase.invoke(ReflectionBase.java:180)
>    at org.jikesrvm.runtime.Reflection.invoke(Reflection.java:74)
>    at java.lang.reflect.VMCommonLibrarySupport.invokeStatic(VMCommonLibrarySupport.java:203)
>    at java.lang.reflect.VMCommonLibrarySupport.invoke(VMCommonLibrarySupport.java:172)
>    at java.lang.reflect.VMMethod.invoke(VMMethod.java:88)
>    at java.lang.reflect.Method.invoke(Method.java:330)
>    at org.dacapo.harness.Jython.<init>(Jython.java:36)
>    at org.jikesrvm.classloader.ReflectionBase$$Reflect39897.invokeInternal(Unknown Source:0)
>    at org.jikesrvm.runtime.ReflectionBase.invoke(ReflectionBase.java:180)
>    at org.jikesrvm.runtime.Reflection.invoke(Reflection.java:74)
>    at java.lang.reflect.VMCommonLibrarySupport.construct(VMCommonLibrarySupport.java:436)
>    at java.lang.reflect.VMConstructor.construct(VMConstructor.java:87)
>    at java.lang.reflect.Constructor.newInstance(Constructor.java:317)
>    at org.dacapo.harness.TestHarness.runBenchmark(TestHarness.java:211)
>    at org.dacapo.harness.TestHarness.main(TestHarness.java:171)
>    at Harness.main(Harness.java:17)
> java.lang.NullPointerException: java.lang.NullPointerException
> {quote}
> When using the baseline compiler instead, the benchmark passes.

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