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From tdakanalisw <tdakana...@gmail.com>
Subject Re: NullPointerException during build file (1.7.1beta)
Date Tue, 24 Jun 2008 08:59:16 GMT

Hi,

unfortunately I cannot run the task outside of a J2EE container. Is there
any way to use the fixed class ? I have to present a demo of my work in two
days and i try to find a solution. 


Important: The problem is that when I run the ant build in the eclipse
platform everything are ok but when I run the same come as part of an
application in the geronimo application server I get a NullPointerExeption
error.



Stefan Bodewig wrote:
> 
> On Sun, 22 Jun 2008, tdakanalisw <tdakanalis@gmail.com> wrote:
> 
>> I have a problem when I try to run a xslt transformation with with
>> saxon via an ant build (version 1.7.1beta).
> 
> You seem to be running a custom Ant task that in turn invokes the
> <java> task nested into multiple levels of <antcall> tasks internally
> which makes debugging this quite a bit more complex.
> 
>> I attach the logfile for examination (
>> http://www.nabble.com/file/p18059372/logfile.rtf logfile.rtf ).
> 
> For the benefit of those who don't want to install OpenOffice just to
> see the logfile ...
> 
>      [java] java.lang.NullPointerException
>      [java] 	at
> org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:194)
>      [java] 	at org.apache.tools.ant.taskdefs.Java.run(Java.java:764)
> 
> <snip reflection stuff/>
> 
>      [java] 	at
> org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
> 
> 
> <snip reflection stuff/>
> 
>      [java] 	at
> org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
> 
> <snip reflection stuff/>
> 
>      [java] 	at
> org.apache.tools.ant.taskdefs.CallTarget.execute(CallTarget.java:105)
> 
> <snip reflection stuff/>
> 
>      [java] 	at
> converter.core.DITAConverter.DITATopdf(DITAConverter.java:105)
>      [java] 	at
> converter.core.WordConverter.ditatoPDF(WordConverter.java:350)
>      [java] 	at
> org.atlantis_group.www.webservices.documenttransformationws.DocumentTransformationWSSkeleton.ditatoPDF(DocumentTransformationWSSkeleton.java:50)
>      [java] 	at
> org.atlantis_group.www.webservices.documenttransformationws.DocumentTransformationWSMessageReceiverInOut.invokeBusinessLogic(DocumentTransformationWSMessageReceiverInOut.java:48)
>      [java] 	at
> org.apache.axis2.receivers.AbstractInOutSyncMessageReceiver.invokeBusinessLogic(AbstractInOutSyncMessageReceiver.java:42)
>      [java] 	at
> org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:96)
>      [java] 	at
> org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
>      [java] 	at
> org.apache.axis2.transport.http.HTTPTransportUtils.processHTTPPostRequest(HTTPTransportUtils.java:275)
>      [java] 	at
> org.apache.axis2.transport.http.AxisServlet.doPost(AxisServlet.java:120)
>      [java] 	at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:713)
>      [java] 	at
> javax.servlet.http.HttpServlet.service(HttpServlet.java:806)
>      [java] 	at
> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
> 
> <snip Jetty inside Geronimo stack trace />
> 
>      [java] 	at java.lang.Thread.run(Unknown Source)
>      [java] Caused by: java.lang.NullPointerException
>      [java] 	at java.util.Hashtable.put(Unknown Source)
>      [java] 	at
> org.apache.tools.ant.types.CommandlineJava$SysProperties.setSystem(CommandlineJava.java:143)
>      [java] 	at
> org.apache.tools.ant.taskdefs.ExecuteJava.execute(ExecuteJava.java:121)
>      [java] 	... 115 more
> 
> The line in question is the put invocation in 
> 
>                 Properties p = new Properties();
>                 for (Enumeration e = sys.propertyNames();
> e.hasMoreElements();) {
>                     String name = (String) e.nextElement();
>                     p.put(name, sys.getProperty(name));
>                 }
> 
> I think this is the same problem we've already seen in a different
> place <https://issues.apache.org/bugzilla/show_bug.cgi?id=42334>.
> I'll fix it in trunk, but it may be too late for 1.7.1.
> 
> Could you run your task outside of a JEE container?
> 
> Stefan
> 
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> 
> 
> 

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