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 Manash Pratim Chaliha (Manash_LSA)
Phalanx Consultancy Limited
Pega Lead System Architect
Phalanx Consultancy Limited
GB
Manash_LSA Member since 2008 52 posts
Phalanx Consultancy Limited
Posted: Sep 29, 2015
Last activity: Oct 7, 2015
Posted: 29 Sep 2015 5:03 EDT
Last activity: 7 Oct 2015 7:57 EDT
Closed

Null Pointer exception in any activity containing Java Step

Hi

I am getting Null Pointer Error while running any activity with Java step. Even the OOTB Getcontent activity is also unable to run and all the lookup lists are throwing this error. I tried deleting the extract marker file, clear the service export directory and recycle. But the error still remails. Can anyone let me know a way to resolve this error?

 

The stack trace can be found below.

I am running the activities in a very old version of Pega (4.2). But this should not make any difference how an activity should behave.

Exception Information  
  generalProcessingException 
(H75B4EFB012F3966E4030144B960AC7C3: Proprietary information hidden) 
com.pega.pegarules.pub.PRRuntimeError: PRRuntimeError
	at com.pega.pegarules.engine.context.PRThreadImpl.runActivitiesAlt(PRThreadImpl.java(Compiled Code))
	at com.pega.pegarules.web.util.HTTPRulesWrapper.processInputData(HTTPRulesWrapper.java:1206)
	at com.pega.pegarules.web.PRServlet.doPost(PRServlet.java:336)
	at com.pega.pegarules.web.PRServlet.doGet(PRServlet.java:248)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java:1796)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.service(ServletWrapper.java(Compiled Code))
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java(Compiled Code))
	at com.pega.pegarules.web.StaticContentFilter.doFilter(StaticContentFilter.java(Compiled Code))
	at com.ibm.ws.webcontainer.filter.FilterInstanceWrapper.doFilter(FilterInstanceWrapper.java(Compiled Code))
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain.doFilter(WebAppFilterChain.java(Compiled Code))
	at com.ibm.ws.webcontainer.filter.WebAppFilterChain._doFilter(WebAppFilterChain.java:82)
	at com.ibm.ws.webcontainer.servlet.ServletWrapper.handleRequest(ServletWrapper.java:883)
	at com.ibm.ws.webcontainer.servlet.CacheServletWrapper.handleRequest(CacheServletWrapper.java:90)
	at com.ibm.ws.webcontainer.WebContainer.handleRequest(WebContainer.java:1937)
	at com.ibm.ws.webcontainer.channel.WCChannelLink.ready(WCChannelLink.java:130)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleDiscrimination(HttpInboundLink.java:434)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.handleNewInformation(HttpInboundLink.java:373)
	at com.ibm.ws.http.channel.inbound.impl.HttpInboundLink.ready(HttpInboundLink.java:253)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.sendToDiscriminaters(NewConnectionInitialReadCallback.java:207)
	at com.ibm.ws.tcp.channel.impl.NewConnectionInitialReadCallback.complete(NewConnectionInitialReadCallback.java:109)
	at com.ibm.ws.tcp.channel.impl.WorkQueueManager.requestComplete(WorkQueueManager.java:566)
	at com.ibm.ws.tcp.channel.impl.WorkQueueManager.attemptIO(WorkQueueManager.java:619)
	at com.ibm.ws.tcp.channel.impl.WorkQueueManager.workerRun(WorkQueueManager.java:952)
	at com.ibm.ws.tcp.channel.impl.WorkQueueManager$Worker.run(WorkQueueManager.java:1039)
	at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java(Compiled Code))
Caused by: java.lang.NullPointerException
	at com.pegarules.generated.activity.ra_activity_hbos_work_getdatainxmlforurb_c2e37d70a3deb67c50778200f2343931.step5_circum0(ra_activity_hbos_work_getdatainxmlforurb_c2e37d70a3deb67c50778200f2343931.java:307)
	at com.pegarules.generated.activity.ra_activity_hbos_work_getdatainxmlforurb_c2e37d70a3deb67c50778200f2343931.perform(ra_activity_hbos_work_getdatainxmlforurb_c2e37d70a3deb67c50778200f2343931.java:106)
	at com.pega.pegarules.engine.runtime.Executable.doActivity(Executable.java(Compiled Code))
	... 27 more
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Java and Activities

Posted: 9 years ago
Posted: 2 Oct 2015 21:47 EDT
Raghunatha bende (RaghunathaBende)
Pega

Pega
IN

Normally Null pointer exception would be occuring when you are refering a property on a page which is not available on the clipboard.

Can you check whether the step page is available on the clipboard when tracing that activity having java step.

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Posted: 9 years ago
Posted: 7 Oct 2015 7:57 EDT
Manash Pratim Chaliha (Manash_LSA)
Phalanx Consultancy Limited
Pega Lead System Architect
Phalanx Consultancy Limited
GB

I am able to resolve the issue. Actually I am using some functions of ver 5.X and 6.X which doesnt support in ver 4.2. Hence i had to update the functionsl according to the 4.2 specific libraries.

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