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calling ant from java program

calling ant from java program

2004-08-27       - By Olivier CROISIER
Reply:     1     2     3     4     5     6     7     8     9     10     >>  

> What may be the reason of  project.executetarget throwing nullpointer
> exception?
> regds

Hi

My first idea was that this exception could get thrown if you call the
executeTarget method with a null argument, but this error seems to be already
managed by the BuildException (@(protected) ant javadoc).

[ executeTarget ]
public void executeTarget(java.lang.String Source code of java.lang.String targetName) throws BuildException
Executes the specified target and any targets it depends on.
Parameters:
  targetName - The name of the target to execute. Must not be null.
Throws:
  BuildException - if the build failed



So... Another answer would be : your "NullPointerException" occurs if your
Project object is null (java obviously can't call the "executeTarget" method on
a null Project object). Check if your Project is initialized.

Third clue : the "test_config" string you give as an argument is a valid String
, but its contents may cause an error somewhere in the executeTarget process,
for example if this isn't a valid target name.
Or if the target is only defined as an internal target (no "description" for it
) : I don't know if executeTarget sees them.


best regs


--
CROISIER Olivier
Software Engineer
Thales IS - ANS
olivier.croisier@(protected)

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