ANT version clash with Documentum and DFS

I was compiling the DFS samples uisng the ANT build file provided with the EMC SDK download.  I hit an error with ANT version while running the “ant artifacts” target.  I downloaded a fresh binary of ANT 1.6.5 from Apache website.  But I kept getting the same error.

Invalid implementation version between Ant core and Ant optional tasks.
core    : 1.6.2
optional: 1.6.5

The reason seems to be due to the fact that dctm.jar contains a MANIFEST.MF file which in turn has a reference to (older) ANT jar files.
Shared/ant.jar Shared/ant-ext.jar Shared/ant-launcher.jar

Solution:

Check all your class paths for any JAR files that may have a manifest file which refers to old versions of ANT jar files.

- Remove dctm.jar from the CLASSPATH.
- Add the individual jar files from – D:\Program Files\Documentum\Shared to the CLASSPATH.
- Exclude the – ant.jar, ant-ext.jar and ant-launcher.jar files from the CLASSPATH

set DCTM_SHARED=D:\Program Files\Documentum\Shared
%DCTM_SHARED%\activation.jar;%DCTM_SHARED%\admin.jar;%DCTM_SHARED%\All-MB.jar;%DCTM_SHARED%\AMService.jar;%DCTM_SHARED%\aspectjrt.jar;%DCTM_SHARED%\bpmutil.jar;%DCTM_SHARED%\bsf.jar;%DCTM_SHARED%\castor-0.9.5.2.jar;%DCTM_SHARED%\certjFIPS.jar;%DCTM_SHARED%\ci.jar;%DCTM_SHARED%\collaboration.jar;%DCTM_SHARED%\commons-jxpath-1.1.jar;%DCTM_SHARED%\commons-net-1.2.1.jar;%DCTM_SHARED%\ctsTransform.jar;%DCTM_SHARED%\ctsTransformImpl.jar;%DCTM_SHARED%\dam_services.jar;%DCTM_SHARED%\Dart.jar;%DCTM_SHARED%\DDS.jar;%DCTM_SHARED%\dfc.jar;%DCTM_SHARED%\dfcbase.jar;%DCTM_SHARED%\DmcPolicyEngine.jar;%DCTM_SHARED%\DmcRecords.jar;%DCTM_SHARED%\DmcRps.jar;%DCTM_SHARED%\dms-client-api.jar;%DCTM_SHARED%\IDmcPolicyEngine.jar;%DCTM_SHARED%\IDmcRps.jar;%DCTM_SHARED%\IDmcRpsModules.jar;%DCTM_SHARED%\jaxb-api.jar;%DCTM_SHARED%\jaxb-impl.jar;%DCTM_SHARED%\jsafeFIPS.jar;%DCTM_SHARED%\jsr173_api.jar;%DCTM_SHARED%\learningservices.jar;%DCTM_SHARED%\log4j.jar;%DCTM_SHARED%\messageArchive.jar;%DCTM_SHARED%\messageService.jar;%DCTM_SHARED%\offline.jar;%DCTM_SHARED%\serializer.jar;%DCTM_SHARED%\subscription.jar;%DCTM_SHARED%\Widgets.jar;%DCTM_SHARED%\workflow.jar;%DCTM_SHARED%\wstools.jar;%DCTM_SHARED%\xalan.jar;%DCTM_SHARED%\xercesImpl.jar;%DCTM_SHARED%\xforms.jar;%DCTM_SHARED%\XformsCommon.jar;%DCTM_SHARED%\xml-apis.jar;%DCTM_SHARED%\xmlParserAPIs.jar;%DCTM_SHARED%\xtrim-api.jar;%DCTM_SHARED%\xtrim-server.jar;

set CLASSPATH=%PROJECT_FOLDER%;%DCTM_SHARED_CLASSPATH%

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This entry was posted on Sunday, July 6th, 2008 at 2:42 am and is filed under D6, DFC. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

2 Responses to “ANT version clash with Documentum and DFS”

  1. binduwavell Says:
    July 7, 2008 at 11:36 pm | Reply

    This is a pretty common problem we see when developing solutions for Documentum that use ant to build/deliver content. The simple solution is to make sure your latest ant jar file is earlier in the classpath than dctm.jar… i.e. no need to remove stuff from the classpath :)

  2. Ram Says:
    July 9, 2008 at 8:44 am | Reply

    You are right about adding ant jar files before dctm.jar to resolve this problem. I usually use something like the following:

    set ANT_HOME=D:\DevelopmentTools\apache-ant-1.6.5
    set PATH=%PATH%;%ANT_HOME%\bin
    REM This is to prevent version conflicts between ANT libraries
    set CLASSPATH=%DCTM_CONFIG_FOLDER%;%ANT_HOME%\lib\ant.jar;%ANT_HOME%\lib\ant-nodeps.jar;%ANT_HOME%\lib\ant-launcher.jar;%CLASSPATH%

    But in the case of DFS sample build files that came with dfs-sdk, this didn’t work. I probably could have tried changing the ANT build file, but I took this way out :-)

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