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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (ACCUMULO-1321) Dynamic Classloader lost jars
Date Thu, 02 May 2013 00:00:17 GMT

    [ https://issues.apache.org/jira/browse/ACCUMULO-1321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13647100#comment-13647100
] 

Hudson commented on ACCUMULO-1321:
----------------------------------

Integrated in Accumulo-Trunk-Hadoop-2.0 #207 (See [https://builds.apache.org/job/Accumulo-Trunk-Hadoop-2.0/207/])
    ACCUMULO-1321 Created new file vfs file replicator avoid collisions, added classloader
unit test that uses two jars, added code to delete replicated files and close vfs instances
(Revision 1478165)
ACCUMULO-1321 - Introducing VFS with a finally method to close the filesystem. Improvement
from the last hack, still not 100% content with it though (Revision 1478126)

     Result = SUCCESS
kturner : 
Files : 
* /accumulo/trunk
* /accumulo/trunk/assemble
* /accumulo/trunk/core
* /accumulo/trunk/examples
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/ZooStore.java
* /accumulo/trunk/fate/src/main/java/org/apache/accumulo/fate/zookeeper/ZooSession.java
* /accumulo/trunk/pom.xml
* /accumulo/trunk/server
* /accumulo/trunk/src
* /accumulo/trunk/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoader.java
* /accumulo/trunk/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloVFSClassLoader.java
* /accumulo/trunk/start/src/main/java/org/apache/accumulo/start/classloader/vfs/UniqueFileReplicator.java
* /accumulo/trunk/start/src/test/java/org/apache/accumulo/start/classloader/vfs/AccumuloReloadingVFSClassLoaderTest.java
* /accumulo/trunk/start/src/test/java/org/apache/accumulo/start/classloader/vfs/ContextManagerTest.java
* /accumulo/trunk/start/src/test/resources/HelloWorld2.jar

vines : 
Files : 
* /accumulo/trunk
* /accumulo/trunk/core
* /accumulo/trunk/core/src/main/java/org/apache/accumulo/core/client/impl/MetadataLocationObtainer.java
* /accumulo/trunk/start/src/main/java/org/apache/accumulo/start/classloader/vfs/AccumuloVFSClassLoader.java
* /accumulo/trunk/start/src/main/java/org/apache/accumulo/start/classloader/vfs/FinalCloseDefaultFileSystemManager.java

                
> Dynamic Classloader lost jars
> -----------------------------
>
>                 Key: ACCUMULO-1321
>                 URL: https://issues.apache.org/jira/browse/ACCUMULO-1321
>             Project: Accumulo
>          Issue Type: Sub-task
>            Reporter: John Vines
>            Assignee: Keith Turner
>            Priority: Blocker
>             Fix For: 1.5.0
>
>         Attachments: ACCUMULO-1321.patch
>
>
> We have a table setup that uses some custom iterators. We ran an MR job against it without
issues. We then ran the job immediately after the first one wrapped and 2 of my tservers errored
with ClassNotFoundException, even though it ran just fine before.
> Unfortunately we don't have a stack trace (to see if it was breaking differently in the
VFSClassLoader), nor a convenient way to recreate currently. We're working on reproducing
it in order to get more information.

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