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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 Sun, 01 Jul 2018 11:02:00 GMT

    [ https://issues.apache.org/jira/browse/CONNECTORS-1512?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16529049#comment-16529049
] 

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

The patch is against trunk, not 2.10 sources.  However, there are no expected differences
between 2.10 and trunk in the files that are included in the patch.

My guess is that patch is having trouble because of differences in line endings.  The sources
distribution uses windows conventions, and I expect your patch utility is not expecting that.

The .patch file is quite short and, if utterly necessary, you should be able to apply it by
hand.


> 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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