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Posted to dev@sling.apache.org by "Felix Meschberger (JIRA)" <ji...@apache.org> on 2010/06/04 09:24:54 UTC
[jira] Created: (SLING-1544)
ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
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Key: SLING-1544
URL: https://issues.apache.org/jira/browse/SLING-1544
Project: Sling
Issue Type: Bug
Components: Scripting
Affects Versions: Scripting Core 2.0.12
Reporter: Felix Meschberger
Assignee: Felix Meschberger
Fix For: Scripting Core 2.0.12
The ScripteEngineManagerFactory.refreshScriptEngineManager method throw the following exceptions on startup of shutdown:
NullPointerException
while trying to register the ScriptEngineManager service because the BundleContext field is null
IllegalStateException
while trying to unregister the ScriptEngineManager service because a previous unregistration succeeded but re-registration failed due to the NullPointerException due to bundle context being null. As a result the the ServiceRegistration field is still set but invalid actually.
Fixes:
* Ensure registration is only tried if bundle context is not null
* Clear the service registration field after unregistering the service
Plus, the refreshScriptEngineManager method must make sure to be thread-safe.
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[jira] Closed: (SLING-1544)
ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
Posted by "Carsten Ziegeler (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SLING-1544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Carsten Ziegeler closed SLING-1544.
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> ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
> ---------------------------------------------------------------------------
>
> Key: SLING-1544
> URL: https://issues.apache.org/jira/browse/SLING-1544
> Project: Sling
> Issue Type: Bug
> Components: Scripting
> Affects Versions: Scripting Core 2.0.14
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Scripting Core 2.0.14
>
>
> The ScripteEngineManagerFactory.refreshScriptEngineManager method throw the following exceptions on startup of shutdown:
> NullPointerException
> while trying to register the ScriptEngineManager service because the BundleContext field is null
> IllegalStateException
> while trying to unregister the ScriptEngineManager service because a previous unregistration succeeded but re-registration failed due to the NullPointerException due to bundle context being null. As a result the the ServiceRegistration field is still set but invalid actually.
> Fixes:
> * Ensure registration is only tried if bundle context is not null
> * Clear the service registration field after unregistering the service
> Plus, the refreshScriptEngineManager method must make sure to be thread-safe.
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[jira] Resolved: (SLING-1544)
ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
Posted by "Felix Meschberger (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/SLING-1544?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Felix Meschberger resolved SLING-1544.
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Resolution: Fixed
Implemented precaution against IllegalStateException and NullPointerException being thrown from the refreshScriptEngineManager method in Rev. 951311.
Deferring the thread-saftey issue to SLING-1545 because there are further thread-safety issues in the ScriptEngineManagerFactory class, e.g. when accessing internal collections.
> ScripteEngineManagerFactory.refreshScriptEngineManager may throw exceptions
> ---------------------------------------------------------------------------
>
> Key: SLING-1544
> URL: https://issues.apache.org/jira/browse/SLING-1544
> Project: Sling
> Issue Type: Bug
> Components: Scripting
> Affects Versions: Scripting Core 2.0.12
> Reporter: Felix Meschberger
> Assignee: Felix Meschberger
> Fix For: Scripting Core 2.0.12
>
>
> The ScripteEngineManagerFactory.refreshScriptEngineManager method throw the following exceptions on startup of shutdown:
> NullPointerException
> while trying to register the ScriptEngineManager service because the BundleContext field is null
> IllegalStateException
> while trying to unregister the ScriptEngineManager service because a previous unregistration succeeded but re-registration failed due to the NullPointerException due to bundle context being null. As a result the the ServiceRegistration field is still set but invalid actually.
> Fixes:
> * Ensure registration is only tried if bundle context is not null
> * Clear the service registration field after unregistering the service
> Plus, the refreshScriptEngineManager method must make sure to be thread-safe.
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