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From Dominique Devienne <DDevie...@lgc.com>
Subject RE: ant exec task
Date Tue, 19 Nov 2002 20:36:30 GMT
The culprit is your use of <property value/> instead of <property location/>
combined with the <ant> task. Read carefully the doc of <ant>, especially
the table at the end about the value assigned to 'basedir' of the sub-build.

Your current relative path doesn't mean the same thing from the top-level
build script as from the sub-build script. Judicious use of <ant> and
<property location/> should fix the problem. --DD

-----Original Message-----
From: David McTavish [mailto:dmctavish@SANDVINE.com] 
Sent: Tuesday, November 19, 2002 1:38 PM
To: 'Ant Users List'
Subject: ant exec task


Hi everybody,

Seems like I'm running into an unexplainable brick wall that maybe someone
out here as seen before... I've been hitting my head against this for the
past two hours :(
Basically, I'm running antv1.5.1 on JDK 1.3 (ugh, I know), and am having a
problem with the exec task.
When I run the target from the build script that it exists in, I have no
problem whatsoever. My problem is when I try to roll this up into the parent
level build script I get an error.

Error I get:
BUILD FAILED
file:M:/dmctavish_main/sw-profserv/scripts/bundle.xml:110: Execute failed:
java.
io.IOException: CreateProcess: ..\..\sw-tools\nsis\makensis.exe /V1 golden
error=2


Basically, I have a parent level build.xml file with a target
"bundle.golden". This target calls the "bundle" target in the build.xml file
that is found in the golden directory. Nothing special going on in my
mind... here's the parent-level target:

    <target name="bundle.golden">
        <ant dir="golden" target="bundle" inheritall="false"/>
    </target>

In my golden directory, I have a build.xml with the following target:

    <property name="bin.nsis" value="../../tools/nsis/makensis.exe"/>
    <property name="deploy.product.dir" value="../products/golden"/>

    <target name="bundle">
        <exec executable="${bin.nsis}" dir="${deploy.product.dir}">
            <arg line="/V1 golden" />
        </exec>
    </target>

I've surrounded the exec task with <available> tasks to guarantee that the
executable is found, as well as the deploy.product.dir is correct. These
return true whether I call this "bundle" target from the local folder or the
parent.
ie:
<available property="test" file="${bin.nsis}"/>
<available property="test2" file="${deploy.product.dir}/golden.nsi"/>
<echo message="${test}${test2}"/>

debug message reveals the following:
--- Nested Exception ---
java.io.IOException: CreateProcess: ..\..\sw-tools\nsis\makensis.exe /V1
golden
error=2
        at java.lang.Win32Process.create(Native Method)
        at java.lang.Win32Process.<init>(Win32Process.java:61)
        at java.lang.Runtime.execInternal(Native Method)
        at java.lang.Runtime.exec(Runtime.java:546)
        at java.lang.reflect.Method.invoke(Native Method)
        at
org.apache.tools.ant.taskdefs.Execute$Java13CommandLauncher.exec(Exec
ute.java:645)
        at org.apache.tools.ant.taskdefs.Execute.launch(Execute.java:417)
        at org.apache.tools.ant.taskdefs.Execute.execute(Execute.java:428)
        at
org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:329)
        at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:368)
        at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:250)
        at org.apache.tools.ant.Task.perform(Task.java:317)
        at org.apache.tools.ant.Target.execute(Target.java:309)
        at org.apache.tools.ant.Target.performTasks(Target.java:334)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1306)
        at org.apache.tools.ant.taskdefs.Ant.execute(Ant.java:371)
        at
org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:143)

any ideas would be greatly appreciated!

regards,
d.

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