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From "Karl Wright (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CONNECTORS-1512) Documentum Connector throws NPE when a job is run after a document is deleted from the repository
Date Tue, 03 Jul 2018 00:49:00 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16530636#comment-16530636
] 

Karl Wright commented on CONNECTORS-1512:
-----------------------------------------

I am sorry, but I've given you all the help I reasonably can.

It is not possible for the *patched* jar to give you the same line numbers in an exception
trace as the *unpatched* jar.   Therefore you must have either not built it correctly, or
not deployed it correctly.


> Documentum Connector throws NPE when a job is run after a document is deleted from the
repository
> -------------------------------------------------------------------------------------------------
>
>                 Key: CONNECTORS-1512
>                 URL: https://issues.apache.org/jira/browse/CONNECTORS-1512
>             Project: ManifoldCF
>          Issue Type: Bug
>          Components: Documentum connector
>    Affects Versions: ManifoldCF 2.8.1, ManifoldCF 2.10
>         Environment: Documentum 16.4
> Manifold 2.10, using dfc jars 16.4
> Manifold server machine details (although also seen on a Windows-based MF 2.8.1):
> {code:java}
> $ hostnamectl
>  ...
> Chassis: vm
> Virtualization: kvm
> Operating System: CentOS Linux 7 (Core)
> CPE OS Name: cpe:/o:centos:centos:7
> Kernel: Linux 3.10.0-862.2.3.el7.x86_64
>  Architecture: x86-64
> $ java -version
> openjdk version "1.8.0_171"
> OpenJDK Runtime Environment (build 1.8.0_171-b10)
> OpenJDK 64-Bit Server VM (build 25.171-b10, mixed mode)
> {code}
> I have the following entry in properties.xml for verbose logging from connectors:
> {code:java}
> <property name="org.apache.manifoldcf.connectors" value="DEBUG"/>
> {code}
>            Reporter: James Thomas
>            Assignee: Karl Wright
>            Priority: Major
>             Fix For: ManifoldCF 2.11
>
>         Attachments: CONNECTORS-1512.patch, repro_delete.log
>
>
> I see an NPE from the Documentum Connector when I re-run a job after deleting a file
from the Documentum repository using the Documentum Administrator:
> {code:java}
> FATAL 2018-06-29T08:36:54,847 (Worker thread '5') - Error tossed: null
> java.lang.NullPointerException
>         at org.apache.manifoldcf.crawler.common.DCTM.DocumentumObjectImpl.getContentSize(DocumentumObjectImpl.java:181)
~[?:?]
>     ...
>   at org.apache.manifoldcf.crawler.connectors.DCTM.DCTM$ProcessDocumentThread.run(DCTM.java:1399)
~[?:?]
> {code}
> The job then appears not to terminate in the Manifold UI.  If the job is not aborted,
the NPE will show again after restarting the Manifold server and Documentum Connectors.
> I expect the connectors to handle deletion of source in the repository, passing the appropriate
status to the output connector, and not failing like this.
> Reproduce:
> * Configure Manifold to use Documentum Connectors to talk to a Documentum instance
> * Sanity check your configuration by 
> ** create a directory in Documentum, D, with two files F, G
> ** create a job in Manifold to take from D and write to the file system in directory
L
> ** run the job and observe that F, G appear in L
> * delete G from D in Documentum 
> ** in Documentum Administrator, right click on G and choose Delete, then OK
> * re-run your job
> * observe that the job doesn't end
> * inspect L 
> * observe that F and G are both still present
> * inspect the Manifold logs
> * observe NPE in the logs
>  
> In the log file I'll attach,  F and G are Book1.xlsx and Book1.xls



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