[jira] Commented: (DERBY-4126) You can't invoke a table function which is stored in a jar file inside the database

["Rick Hillegas (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/DERBY-4126?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12690119#action_12690119 ] 

Rick Hillegas commented on DERBY-4126:
--------------------------------------

Tests ran cleanly for me except for the heisenbug in the stress-multi tests. Committed second rev of the patch at subversion revision 759360.

> You can't invoke a table function which is stored in a jar file inside the database
> -----------------------------------------------------------------------------------
>
>                 Key: DERBY-4126
>                 URL: https://issues.apache.org/jira/browse/DERBY-4126
>             Project: Derby
>          Issue Type: Bug
>          Components: SQL
>    Affects Versions: 10.4.1.3, 10.4.2.0, 10.5.1.1, 10.6.0.0
>            Reporter: Rick Hillegas
>            Assignee: Rick Hillegas
>         Attachments: derby-4126-01-aa-useSessionClassloader.diff, derby-4126-01-ab-useSessionClassloader.diff
>
>
> You get a ClassNotFoundException when you try to invoke a table function which lives in a jar file stored inside the database. This is because FromVTI.implementsDerbyStyleVTICosting() looks up the class using Class.forName() rather than using the session classloader. A similar bug is in FromVTI.getVTICosting(). This bug was reported by Krzysztof N in the following user list thread: http://www.nabble.com/Uinable-to-use-Table-function-due-to-java.lang.ClassNotFoundException--while-class-is-clearly-reachable..-td22478383.html#a22699492

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