Re: "Unknown source" in stack trace

[Antoine Lévy-Lambert]

Steve Kelem wrote:
I'm trying to debug someone else's Ant Task code and having the 
problem of getting "Unknown Source"
in the stack trace.
I've compiled (in ant) with debug="true", debuglevel="lines,vars,source",
and even tried including the source tree in the jar file.
By the way, the code I'm trying to debug is an external ant task, with 
the jar file in ant/lib.

Thanks,
Steve Kelem
java.lang.NullPointerException
    at java.io.File.<init>(File.java:180)
    at de.pleumann.antenna.WtkMakePrc.executeWtk(Unknown Source)
    at de.pleumann.antenna.WtkMakePrc.execute(Unknown Source)
    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)




This means that the classes  of de.pleumann.antenna were compiled 
without line number debugging information.
You cannot do anything about it.
Antoine

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