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ANT Build Fails: Error: resource net/sf/antcontrib/antlib.xml. It could not be found.

RaviBoisar VermaBoisar
Greenhorn

Joined: Aug 07, 2009
Posts: 5
Hi All,
I am facing this error since couple of days.
I will appreciate it very much if some one can help me.
I was getting the following error -- E1 when the build script is B1. These are given below:
******* E1 ***********
brgeda002:/u06/bacms/apps/DEVR1_5/logs>tail -100f build_DevR1-5_20090811-145601.log
[taskdef] Could not load definitions from resource net/sf/antcontrib/antlib.xml. It could not be found.

init:
[echo] initupdate Build Started at Tue Aug-11 14:56:9:532 EDT 2009 for the Iteration: R1_5 !!!
[propertyfile] Updating property file: /u06/bacms/props/bldstats.properties

updateview:

BUILD FAILED
file:/u06/bacms/xml/clean_build.xml:164: Could not create task or type of type: stopwatch.

Ant could not find the task or a class this task relies upon.

This is common and has a number of causes; the usual
solutions are to read the manual pages then download and
install needed JAR files, or fix the build file:
- You have misspelt 'stopwatch'.
Fix: check your spelling.
- The task needs an external JAR file to execute
and this is not found at the right place in the classpath.
Fix: check the documentation for dependencies.
Fix: declare the task.
- The task is an Ant optional task and optional.jar is absent
Fix: look for optional.jar in ANT_HOME/lib, download if needed
- The task was not built into optional.jar as dependent
libraries were not found at build time.
Fix: look in the JAR to verify, then rebuild with the needed
libraries, or download a release version from apache.org
- The build file was written for a later version of Ant
Fix: upgrade to at least the latest release version of Ant
- The task is not an Ant core or optional task
and needs to be declared using <taskdef>.

Remember that for JAR files to be visible to Ant tasks implemented
in ANT_HOME/lib, the files must be in the same directory or on the
classpath

Please neither file bug reports on this problem, nor email the
Ant mailing lists, until all of these causes have been explored,
as this is not an Ant bug.

Total time: 6 seconds
^C
************** E1 *************************
***************B1 ************************
<taskdef resource="net/sf/antcontrib/antlib.xml"/>
***************B1 ************************

I modified the build script code to -- B2:
***************B2 ************************
<taskdef resource="net/sf/antcontrib/antlib.xml">
<classpath>
<pathelement location="/home/bacmsadm/apache-ant-1.7.1/lib/ant-contrib-1.0b3.jar" />
</classpath>
</taskdef>
***************B2 ************************
Also the CLASSPATH does have any reference to ant contrib jar.

The new error is:

************ E 2 ***********************
brgeda002:/u06/bacms/apps/DEVR1_5/logs>tail -100f build_DevR1-5_20090811-150220.log

BUILD FAILED
file:/u06/bacms/xml/clean_build.xml:72: taskdef class "ignore"/> cannot be found

Total time: 4 seconds
^C
brgeda002:/u06/bacms/apps/DEVR1_5/logs>

************ E 2 ***********************

Request, please advise on how to fix this new error E2.

Thanks,
Regards,
Ravi V
krishna kanthgaru
Greenhorn

Joined: Feb 12, 2007
Posts: 17
thats a straight problem.

either you have the jar file "ant-contrib-version.jar" missing from your classpath or not added the jar file to the classpath


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Jan Cumps
Bartender

Joined: Dec 20, 2006
Posts: 2495
    
    8

Hi Ravi V.

You already have a thread open for this problem. It is easier if you stick to that thread.

Regards, Jan


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Jaikiran Pai
Marshal

Joined: Jul 20, 2005
Posts: 10052
    
163

Closing this thread.

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subject: ANT Build Fails: Error: resource net/sf/antcontrib/antlib.xml. It could not be found.