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https://issues.apache.org/jira/browse/LUCENE-2688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12917951#action_12917951
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Shai Erera commented on LUCENE-2688:
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Isn't it part of Java 5? Is Android using a different JDK? I agree w/ Robert on
one hand, but adding a try-catch and fallback seems reasonable in this case.
I'd only like to understand how is it that java.lang.management does not exist
on Android, because that might indicate other classes don't exist as well, and
thus fixing NativeFSLockFactory won't solve the real problem of running Lucene
3.x on Android.
> NativeFSLockFactory throws an exception on Android 2.2 platform as
> java.lang.management package is not available on android.
> ----------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-2688
> URL: https://issues.apache.org/jira/browse/LUCENE-2688
> Project: Lucene - Java
> Issue Type: Bug
> Components: Store
> Affects Versions: 3.0, 3.0.1, 3.0.2
> Environment: Android 2.2 Froyo Nexus One
> Reporter: Surinder Pal Singh Bindra
> Fix For: 2.9.4, 3.0.3, 3.1, 4.0
>
>
> NativeFSLockFactory throws an exception on Android 2.2 platform as
> java.lang.management package is not available on android.
> Looks like FSDirectory defaults to NativeFSLockFactory, and this class
> refers to java.lang.management package to generate a unique lock.
> java.lang.management is not available in Android 2.2 and hence a runtime
> exception is raised. The workaround is to use another custom LockFactory or
> SimpleFSLockFactory, but Fixing NativeFSLockFactroy will help.
> Thanks,
> Surinder
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