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Posted to dev@sling.apache.org by "Chetan Mehrotra (JIRA)" <ji...@apache.org> on 2013/10/18 16:20:42 UTC
[jira] [Commented] (SLING-3189) LogbackManager causes lockup on
second startup
[ https://issues.apache.org/jira/browse/SLING-3189?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13799127#comment-13799127 ]
Chetan Mehrotra commented on SLING-3189:
----------------------------------------
I feared this situation would arise with my fix for SLING-3185. Would try to reproduce and come with proper fix
> LogbackManager causes lockup on second startup
> ----------------------------------------------
>
> Key: SLING-3189
> URL: https://issues.apache.org/jira/browse/SLING-3189
> Project: Sling
> Issue Type: Bug
> Components: Commons
> Affects Versions: Commons Log 3.0.2
> Reporter: Bertrand Delacretaz
>
> Looks like I didn't test yesterday's SLING-3185 fix thoroughly enough, I'm seeing a system lockup on second startup of the current trunk launchpad.
> Steps to reproduce:
> 1. Start launchpad/builder runnable jar with no existing sling folder, Sling starts fine.
> 2. Stop and restart.
> 3. Sling doesn't start, the BundleWiringImpl waits forever on a classloading call triggered by StaticLoggerBinder.getSingleton()
> Stack trace:
> Daemon Thread [FelixStartLevel] (Suspended)
> owns: BundleWiringImpl$BundleClassLoaderJava5 (id=40)
> waiting for: HashMap<K,V> (id=41)
> Object.wait(long) line: not available [native method]
> HashMap<K,V>(Object).wait() line: 485
> BundleWiringImpl$BundleClassLoaderJava5(BundleWiringImpl$BundleClassLoader).findClass(String) line: 2050
> BundleWiringImpl.findClassOrResourceByDelegation(String, boolean) line: 1472
> BundleWiringImpl.access$400(BundleWiringImpl, String, boolean) line: 75
> BundleWiringImpl$BundleClassLoaderJava5(BundleWiringImpl$BundleClassLoader).loadClass(String, boolean) line: 1923
> BundleWiringImpl$BundleClassLoaderJava5(ClassLoader).loadClass(String) line: 247
> LogbackManager.ensureSlf4jIsInitialized() line: 147
> LogbackManager.<init>(BundleContext) line: 103
> Activator.start(BundleContext) line: 55
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