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Date: Thu, 18 Nov 2010 15:05:56 -0500
From: Antoine Levy-Lambert <antoine@gmx.de>
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To: Ant Users List <user@ant.apache.org>
Subject: Re: java.lang.NullPointerException
References: <1290107735985-3271316.post@n5.nabble.com>
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Well, your error is happening in executing a custom task :

java.lang.NullPointerException
        at openworks.ant.UpdateVersion.execute(UpdateVersion.java:73)
        at


You should ask support from whoever wrote openworks.ant.UpdateVersion

But even before that, maybe you are forgetting to pass a required
parameter to this task (or class).

Check in your build file where you invoke <verup/>

Regards,

Antoine

On 11/18/10 2:53 PM, ritchie wrote:
> verup is a macrodef...
>
> Apache Ant version 1.7.0 compiled on December 13 2006
> Buildfile: changes.xml
> Detected Java version: 1.6 in: C:\Program Files\Java\jre6
> Detected OS: Windows XP
> parsing buildfile C:\apache-ant-1.7.0\bin\changes.xml with URI =
> file:/C:/apache
> -ant-1.7.0/bin/changes.xml
> Project base dir set to: C:\apache-ant-1.7.0\bin
> Build sequence for target(s) `full' is [p4properties, run, p4changes,
> setversion
> , full]
> Complete build sequence is [p4properties, run, p4changes, setversion, full,
> ]
>
> p4properties:
> [antlib:org.apache.tools.ant] Could not load definitions from resource
> org/apach
> e/tools/ant/antlib.xml. It could not be found.
>
> run:
>
> p4changes:
>      [exec] Current OS is Windows XP
>      [exec] Output redirected to property: Version
>      [exec] Executing 'C:\Program Files\Perforce\p4.exe' with arguments:
>      [exec] 'changes'
>      [exec] '-m1'
>      [exec]
> 'C:\nbkoldy_rp_all_new\RPCA\main\rpcacode\services\Math\web\Data\Ver
> sion.xml'
>      [exec]
>      [exec] The ' characters around the executable and arguments are
>      [exec] not part of the command.
>
> setversion:
>      [echo] Change 669228 on 2010/10/14 by nbd3f4d@nbd3f4d_rpca_1.0
> 'DESCRIPTION
> : <enter description'
>     [verup] 2010.11.18 14:49:02 - INFO - [ CompileXMLTask-main ] - Updating
> Vers
> ion in
> -C:\nbkoldy_rp_all_new\RPCA\main\rpcacode\services\Math\web\Data\Version.
> xml
>
> BUILD FAILED
> C:\apache-ant-1.7.0\bin\changes.xml:34: java.lang.NullPointerException
>         at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
> a:115)
>         at org.apache.tools.ant.Task.perform(Task.java:348)
>         at org.apache.tools.ant.Target.execute(Target.java:357)
>         at org.apache.tools.ant.Target.performTasks(Target.java:385)
>         at
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
>         at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExe
> cutor.java:41)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
>         at org.apache.tools.ant.Main.runBuild(Main.java:698)
>         at org.apache.tools.ant.Main.startAnt(Main.java:199)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
> Caused by: java.lang.NullPointerException
>         at openworks.ant.UpdateVersion.execute(UpdateVersion.java:73)
>         at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>         at java.lang.reflect.Method.invoke(Unknown Source)
>         at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
> a:105)
>         ... 11 more
> --- Nested Exception ---
> java.lang.NullPointerException
>         at openworks.ant.UpdateVersion.execute(UpdateVersion.java:73)
>         at
> org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)
>         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>         at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
>         at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
>         at java.lang.reflect.Method.invoke(Unknown Source)
>         at
> org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
> a:105)
>         at org.apache.tools.ant.Task.perform(Task.java:348)
>         at org.apache.tools.ant.Target.execute(Target.java:357)
>         at org.apache.tools.ant.Target.performTasks(Target.java:385)
>         at
> org.apache.tools.ant.Project.executeSortedTargets(Project.java:1329)
>         at org.apache.tools.ant.Project.executeTarget(Project.java:1298)
>         at
> org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExe
> cutor.java:41)
>         at org.apache.tools.ant.Project.executeTargets(Project.java:1181)
>         at org.apache.tools.ant.Main.runBuild(Main.java:698)
>         at org.apache.tools.ant.Main.startAnt(Main.java:199)
>         at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)
>         at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)
>
> Total time: 0 seconds


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