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From SĀŽebastien Mosser <mos...@polytech.unice.fr>
Subject Premature End Of file in bpws:doXslTransform
Date Mon, 07 Jan 2008 16:25:11 GMT
Hello.

I've got a nasty exception when I try to use the bpws:doXslTransform 
function.

I've got a valid xsl file (works with 'xsltproc' at command line level), 
which basically correspond to an 'echo' operation :

## file echo.xsl ##
<?xml version="1.0" encoding="UTF-8"?>
<xsl:transform version="1.0"
    xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
   <xsl:template match="/">
     <xsl:copy-of select="." />
   </xsl:template>
</xsl:transform>
## end of file ##

mosser@asmodee:~/tmp$ xsltproc echo.xsl data.xml
<?xml version="1.0"?>
<tns:result 
xmlns:tns="http://rainbow.i3s.unice.fr/mosser/jSeduite/orchestrations/tv">
   <tns:content>content 1</tns:content>
   <tns:content>content 2</tns:content>
</tns:result>

I'm using it inside the following assign activity :
<bpws:assign name="FillResult" validate="no">
   <bpws:copy>
     <bpws:from><![CDATA[bpws:doXslTransform("echo.xsl", 
$output.payload/tns:result)]]></bpws:from>
     <bpws:to part="payload" variable="output">
       <bpws:query 
queryLanguage="urn:oasis:names:tc:wsbpel:2.0:sublang:xpath1.0"><![CDATA[/tns:result]]></bpws:query>
     </bpws:to>
   </bpws:copy>
</bpws:assign>

(in fact, it should be a more complicated data processing stylesheet 
-appending data into an array and filtering data on the fly-, but, well, 
it doesn't work with 'echo' ...)

when I invoke the process, it return the following faultString :
<faultstring>
{http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure 
An exception occured while evaluating "{OXPath10Expression 
bpws:doXslTransform("echo.xsl", $output.payload/tns:result)}": Premature 
end of file.
</faultstring>

which is ... weird :'(.

does someone experiments previously similar troubles ?

PS : the exception stack trace in tomcat logs is the following :
17:19:27,117 ERROR [ODEService] Error processing response for MEX 
{MyRoleMex#4611686018427387921 [Client hqejbhcnphr2vvxlasf56t] calling 
{http://rainbow.i3s.unice.fr/mosser/jSeduite/orchestrations/tv}TvService.process(...)}
org.apache.axis2.AxisFault: 
{http://docs.oasis-open.org/wsbpel/2.0/process/executable}selectionFailure 
An exception occured while evaluating "{OXPath10Expression 
bpws:doXslTransform("echo.xsl", $output.payload/tns:result)}": Premature 
end of file.
         at org.apache.ode.axis2.ODEService.onResponse(ODEService.java:221)
         at 
org.apache.ode.axis2.ODEService.onAxisMessageExchange(ODEService.java:173)
         at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.invokeBusinessLogic(ODEMessageReceiver.java:69)
         at 
org.apache.ode.axis2.hooks.ODEMessageReceiver.invokeBusinessLogic(ODEMessageReceiver.java:50)
         at 
org.apache.axis2.receivers.AbstractMessageReceiver.receive(AbstractMessageReceiver.java:96)
         at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:145)
         at 
org.apache.axis2.transport.http.util.RESTUtil.invokeAxisEngine(RESTUtil.java:125)
         at 
org.apache.axis2.transport.http.util.RESTUtil.processURLRequest(RESTUtil.java:119)
         at 
org.apache.axis2.transport.http.AxisServlet$RestRequestProcessor.processURLRequest(AxisServlet.java:796)
         at 
org.apache.axis2.transport.http.AxisServlet.doGet(AxisServlet.java:239)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
         at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
         at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
         at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
         at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
         at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
         at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
         at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
         at 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
         at 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
         at 
org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
         at 
org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
         at 
org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
         at 
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
         at java.lang.Thread.run(Thread.java:613)

Cheers,

-- 
  Sebastian

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