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Posted to dev@hive.apache.org by "Navis (JIRA)" <ji...@apache.org> on 2012/12/31 06:28:13 UTC
[jira] [Updated] (HIVE-3799) Better error message if metalisteners
or hookContext cannot be loaded/instantiated
[ https://issues.apache.org/jira/browse/HIVE-3799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Navis updated HIVE-3799:
------------------------
Component/s: Diagnosability
Priority: Trivial (was: Major)
Issue Type: Improvement (was: Bug)
> Better error message if metalisteners or hookContext cannot be loaded/instantiated
> ----------------------------------------------------------------------------------
>
> Key: HIVE-3799
> URL: https://issues.apache.org/jira/browse/HIVE-3799
> Project: Hive
> Issue Type: Improvement
> Components: Diagnosability, Logging
> Affects Versions: 0.9.0
> Reporter: Sudhanshu Arora
> Priority: Trivial
> Attachments: HIVE-3799.D7719.1.patch
>
>
> If I am not able to instantiate MetaListener or HookContext because of some dependent class missing, the only error I get is InvocationTargetException. MetaStoreUtils.getMetaListener should be changed as following:
> try {
> T listener = (T) Class.forName(
> listenerImpl.trim(), true, JavaUtils.getClassLoader()).getConstructor(
> Configuration.class).newInstance(conf);
> listeners.add(listener);
> } catch (InvocationTargetException e) {
> throw new MetaException("Failed to instantiate listener named: "+
> listenerImpl + " reason: " + e.getCause().toString());
> } catch (Exception e) {
> throw new MetaException("Failed to instantiate listener named: "+
> listenerImpl + " reason: " + e.toString());
> }
> Similarly Driver.getHooks should be changed to handle InvocationTargetException in a better way.
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