[jira] Commented: (HARMONY-1945) [drlvm][jit] The "fake" circularity errors and wrong line numbers.in class loader exceptions.

["Pavel Afremov (JIRA)" <ji...@apache.org>]

    [ http://issues.apache.org/jira/browse/HARMONY-1945?page=comments#action_12458085 ] 
            
Pavel Afremov commented on HARMONY-1945:
----------------------------------------

The bug, which test from test.zip shows, consist from 2 parts.
1)      First Class Loading now happens during method compilation. By this
reason NoClassDefFoundError has incorrect stack trace, i.e. the stack for the
place when compilation is started.
2)      The second issue that ClassLoader saves loading error, and throws it
when the classes loaded again. By this reason exception stack is the same as
for first time as for second time.

The second part can depends on Harmony-2083.


> [drlvm][jit] The "fake" circularity errors and wrong line numbers.in class loader exceptions.
> ---------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-1945
>                 URL: http://issues.apache.org/jira/browse/HARMONY-1945
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Pavel Afremov
>         Attachments: CLTest.java, SMTest.java, test1.zip
>
>
> There are two bugs which have one source - unimplemented lazy class resolution.
> One bug is fake circularity errors in some cases, the other is wrong line numbers in exception which generated during  class resolution. 
> To show "fake circularity error" there are two "impossible" tests. One test is more simple and use SecurityManager. The other is a bit more complex and uses custom ClassLoader. You can find them in attachment. 
> To show wrong line number in class loader exceptions use the third test.

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