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Re: Somewhere a short howto for using JasperReports with WO?
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Re: Somewhere a short howto for using JasperReports with WO?

  • Subject: Re: Somewhere a short howto for using JasperReports with WO?
  • From: Mike Bobkiewicz <email@hidden>
  • Date: Thu, 9 Nov 2006 10:21:32 +0100

Am 07.11.2006 um 16:45 schrieb RedBugz Software:

On 11/6/06, Mike Bobkiewicz <email@hidden> wrote: 
Hi,
I´m looking for a short howto on how to use JasperReports to print
from  a WO WebApplication. I´ve downloaded the latest sources of
Jasper from sourceforge and from within the Report Designer
everything works fine on my OS X 10.4.7 / XCode 2.4 system. But the
demo source I´ve downloaded from wocode.com crashes when it tries to
compile the report. I´m pretty unsure if it´s because on some errors
within the project, my newer version of Jasper (installed 1.2.7, demo
cames with 1.0.0). Somebody on the list mentioned WOJasperAccess
which I can´t find via Google.
Any advice is welcome.


What do you mean by "crashes". Is there a stack trace? Does it kill
the WebObjects application or just take you to an error screen?

Everything wents fine until you hit the print button. At this point a null pointer exception occured:

[2006-11-09 10:10:36 CET] <WorkerThread0> java.lang.NullPointerException
at com.wocode.jasper.WCJRUtils.compileReport(WCJRUtils.java:40)
at com.wocode.jasper.WCJRUtils.printReport(WCJRUtils.java:86)
at Main.printReport(Main.java:45)
at Main.printReport(Main.java:67)
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:324)
at KeyValueCodingProtectedAccessor.methodValue (KeyValueCodingProtectedAccessor.java:54)
at com.webobjects.foundation.NSKeyValueCoding $_MethodBinding.valueInObject(NSKeyValueCoding.java:1160)
at com.webobjects.foundation.NSKeyValueCoding $DefaultImplementation.valueForKey(NSKeyValueCoding.java:1268)
at com.webobjects.appserver.WOComponent.valueForKey(WOComponent.java: 1539)
at com.webobjects.foundation.NSKeyValueCoding$Utility.valueForKey (NSKeyValueCoding.java:498)
at com.webobjects.foundation.NSKeyValueCodingAdditions $DefaultImplementation.valueForKeyPath(NSKeyValueCodingAdditions.java: 212)
at com.webobjects.appserver.WOComponent.valueForKeyPath (WOComponent.java:1600)
at com.webobjects.appserver._private.WOKeyValueAssociation.valueInComponent (WOKeyValueAssociation.java:46)
at com.webobjects.appserver._private.WOSubmitButton.invokeAction (WOSubmitButton.java:70)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction (WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction (WODynamicGroup.java:110)
at com.webobjects.appserver._private.WOForm.invokeAction(WOForm.java: 82)
at com.webobjects.appserver._private.WODynamicGroup.invokeChildrenAction (WODynamicGroup.java:101)
at com.webobjects.appserver._private.WODynamicGroup.invokeAction (WODynamicGroup.java:110)
at com.webobjects.appserver.WOComponent.invokeAction (WOComponent.java:945)
at com.webobjects.appserver.WOSession.invokeAction(WOSession.java:1168)
at com.webobjects.appserver.WOApplication.invokeAction (WOApplication.java:1375)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedPage(WOComponentRequestHandler.java:196)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedSession(WOComponentRequestHandler.java:287)
at com.webobjects.appserver._private.WOComponentRequestHandler._dispatchWit hPreparedApplication(WOComponentRequestHandler.java:322)
at com.webobjects.appserver._private.WOComponentRequestHandler._handleReque st(WOComponentRequestHandler.java:358)
at com.webobjects.appserver._private.WOComponentRequestHandler.handleReques t(WOComponentRequestHandler.java:432)
at com.webobjects.appserver.WOApplication.dispatchRequest (WOApplication.java:1306)
at com.webobjects.appserver._private.WOWorkerThread.runOnce (WOWorkerThread.java:173)
at com.webobjects.appserver._private.WOWorkerThread.run (WOWorkerThread.java:254)
at java.lang.Thread.run(Thread.java:552)

I´ve filled the database with some movies, actors... so there is data which can be printed. Any ideas what might happen?

Regards,

 Mike


Logan 

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    • Re: Re: Somewhere a short howto for using JasperReports with WO?

      • From: "RedBugz Software" <email@hidden>
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References: 


 >Somewhere a short howto for using JasperReports with WO? (From: Mike Bobkiewicz <email@hidden>)


 >Re: Somewhere a short howto for using JasperReports with WO? (From: "RedBugz Software" <email@hidden>)






    

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