I think your problem is:
  [echo] No java source files to process.

So then there's no PMD report to convert, resulting in the NPE.
  [echo] Converting the PMD report to xdoc ...
java.lang.NullPointerException

Not positive but this is my guess about what's going on.

Wayne

On 12/12/06, t rajesh <[EMAIL PROTECTED]> wrote:
Hi,

 build:start:
 pmd:
pmd:report:
   [echo] Running the PMD task with 
rulesets/basic.xml,rulesets/unusedcode.xml,rulesets/imports.xml ...
   [echo] No java source files to process.
   [echo] Converting the PMD report to xdoc ...
Caught exception evaluating: [EMAIL PROTECTED] Reason: 
java.lang.NullPointerException
java.lang.NullPointerException
       at java.io.File.<init>(File.java:194)
       at org.apache.velocity.texen.util.FileUtil.file(FileUtil.java:59)
       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at 
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
       at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
       at java.lang.reflect.Method.invoke(Method.java:585)
       at 
org.apache.commons.jexl.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:268)
       at org.apache.commons.jexl.parser.ASTMethod.execute(ASTMethod.java:61)
       at 
org.apache.commons.jexl.parser.ASTReference.execute(ASTReference.java:68)
       at 
org.apache.commons.jexl.parser.ASTReference.value(ASTReference.java:50)
       at 
org.apache.commons.jexl.ExpressionImpl.evaluate(ExpressionImpl.java:86)
       at 
org.apache.commons.jelly.expression.jexl.JexlExpression.evaluate(JexlExpression.java:69)
       at org.apache.commons.jelly.tags.core.SetTag.doTag(SetTag.java:84)
       at org.apache.commons.jelly.impl.TagScript.run(TagScript.java:247)
       at org.apache.commons.jelly.impl.ScriptBlock.run(ScriptBlock.java:95)
       at org.apache.commons.jelly.TagSupport.invokeBody(TagSupport.java:186)
       at org.apache.commons.jelly.impl.StaticTag.doTag(StaticTag.java:65)








 //Rajesh


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