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From "Luke Forehand (JIRA)" <j...@apache.org>
Subject [jira] Closed: (SOLR-1408) Classes in ${solr.home}/lib are not able to extend classes loaded by solr war - ClassCastException
Date Sat, 05 Sep 2009 04:07:57 GMT

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

Luke Forehand closed SOLR-1408.
-------------------------------

    Resolution: Invalid

This is not a bug.  The problem was that my extending classes were being compiled onto the
testing classpath and they were also packaged into the jar within ${solr.home}/lib.  They
were being loaded by junit before being loaded by solr and that was causing the ClassCastException.
 When I removed the extending classes from the test classpath, everything worked.

> 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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