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From "Luke Forehand (JIRA)" <j...@apache.org>
Subject [jira] Updated: (SOLR-1408) Classes in ${solr.home}/lib are not able to extend classes loaded by solr war - ClassCastException
Date Sat, 05 Sep 2009 01:08:58 GMT

     [ https://issues.apache.org/jira/browse/SOLR-1408?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Luke Forehand updated SOLR-1408:
--------------------------------

    Description: 
When extending org.apache.solr.handler.dataimport.DataSource, I would like to package my extended
class in ${solr.home}/lib to that I can keep the vanilla copy of my solr.war intact.  The
problem is I encounter a ClassCastException when Solr tries to create a newInstance of my
extended class.

Although the parent classloader of ${solr.home}/lib classloader loads DataSource, I am still
getting a ClassCastException when a class in ${solr.home}/lib extends DataSource.

The solr instance is being deployed to a jetty plus server that is running inside a unit test.

  was:When extending org.apache.solr.handler.dataimport.DataSource, I would like to package
my extended class in ${solr.home}/lib to that I can keep the vanilla copy of my solr.war intact.
 The problem is I encounter a ClassCastException when Solr tries to create a newInstance of
my extended class, which I suspect has to do with the DataSource and my extended class being
loaded from different classloaders.

     Issue Type: Bug  (was: Improvement)
        Summary: Classes in ${solr.home}/lib are not able to extend classes loaded by solr
war - ClassCastException  (was: Allow classes from ${solr.home}/lib to be loaded by the same
classloader as solr war to prevent ClassCastException)

> Classes in ${solr.home}/lib are not able to extend classes loaded by solr war - ClassCastException
> --------------------------------------------------------------------------------------------------
>
>                 Key: SOLR-1408
>                 URL: https://issues.apache.org/jira/browse/SOLR-1408
>             Project: Solr
>          Issue Type: Bug
>          Components: contrib - DataImportHandler
>    Affects Versions: 1.3
>            Reporter: Luke Forehand
>
> When extending org.apache.solr.handler.dataimport.DataSource, I would like to package
my extended class in ${solr.home}/lib to that I can keep the vanilla copy of my solr.war intact.
 The problem is I encounter a ClassCastException when Solr tries to create a newInstance of
my extended class.
> Although the parent classloader of ${solr.home}/lib classloader loads DataSource, I am
still getting a ClassCastException when a class in ${solr.home}/lib extends DataSource.
> The solr instance is being deployed to a jetty plus server that is running inside a unit
test.

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