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From "Alexey Varlamov (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HARMONY-3074) [drlvm][classloader][jni] When FindClass is called from JNI_OnLoad function it cannot load user application classes
Date Tue, 30 Jan 2007 06:37:33 GMT

    [ https://issues.apache.org/jira/browse/HARMONY-3074?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12468518
] 

Alexey Varlamov commented on HARMONY-3074:
------------------------------------------

Yep, this is the most straightforward way, except the number of frames may vary depending
on the API being called:
j.l.Runtime.load()/loadLibrary() or j.l.System.load()/loadLibrary().

On the other hand, VM surely knows which classloader loads the library - does it make sense
to exploit this?

> [drlvm][classloader][jni] When FindClass is called from JNI_OnLoad function it cannot
load user application classes
> -------------------------------------------------------------------------------------------------------------------
>
>                 Key: HARMONY-3074
>                 URL: https://issues.apache.org/jira/browse/HARMONY-3074
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>            Reporter: Gregory Shimansky
>            Priority: Minor
>         Attachments: JNI_OnLoad Test.zip
>
>
> I've created a program which has a native library and it has JNI_OnLoad function. When
this function tries to load a user application class via FindClass, loading attempt fails.
It looks like it happens because this class is attempted to be loaded with bootstrap class
loader which loads classes only from boot class path. So user class cannot be loaded since
it is not in boot class path.
> RI loads this user class with system application class loader.

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