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From: Dominique Devienne <DDevienne@lgc.com>
To: "'Ant Developers List'" <dev@ant.apache.org>
Subject: Error reporting pb with <macrodef>
Date: Wed, 28 Apr 2004 09:06:07 -0500
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I have a <macrodef> that wraps a <javac> which in this case forks. The
forked javac fails, but the 1.6 code for MacroInstance seems to eat up the
stack traces for the nested exception, and displays only the message of the
outermost exception. I suspect that the exception here is a BuildException,
which wraps the IOException and it's message, which would tell me exactly
why it failed.

I'll try to temporarily copy the content of the <macrodef> in place of the
macro use itself, to get a better error message, but it would be nice it
using <macrodef> was not behaving differently than the same Ant code running
outside a macrodef.

Thanks, --DD

BUILD FAILED
C:\acme\build.xml:243: Following error occured while executing this line
C:\acme\build.xml:233: Error running javac.exe compiler
        at
org.apache.tools.ant.ProjectHelper.addLocationToBuildException(ProjectHelper
.java:574)
        at
org.apache.tools.ant.taskdefs.MacroInstance.execute(MacroInstance.java:345)
        at
org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:306)
        at org.apache.tools.ant.Task.perform(Task.java:401)
        at org.apache.tools.ant.Target.execute(Target.java:338)
        at org.apache.tools.ant.Target.performTasks(Target.java:365)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1237)
        at org.apache.tools.ant.Project.executeTargets(Project.java:1094)
        at org.apache.tools.ant.Main.runBuild(Main.java:669)
        at org.apache.tools.ant.Main.startAnt(Main.java:220)
        at org.apache.tools.ant.launch.Launcher.run(Launcher.java:215)
        at org.apache.tools.ant.launch.Launcher.main(Launcher.java:90)

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