report generation using iText, problem in format method.

[Sudhakar Sharma]

Hi,

I am using rtftemplate.jar for generating report, report is generated automatically using report_status flag, but somehow some report are in failed status. Giving me a stack trace, which i can not able to understand,
have any one seen this problem, please help me to find out the rrot cause.

Stack Trace

java.lang.NullPointerException
        at net.sourceforge.rtf.format.DefaultInputStreamFormat.format(DefaultInputStreamFormat.java:37)
        at java.text.Format.format(Format.java:157)
        at net.sourceforge.rtf.template.velocity.VelocityTemplateEngineImpl$InsertionHandler.referenceInsert(VelocityTemplateEngineImpl.java:69)
        at org.apache.velocity.app.event.EventHandlerUtil.referenceInsert(EventHandlerUtil.java:84)
        at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:259)
        at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:57)
        at org.apache.velocity.runtime.directive.Foreach.render(Foreach.java:414)
        at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:117)
        at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:235)
        at org.apache.velocity.app.VelocityEngine.evaluate(VelocityEngine.java:347)
        at net.sourceforge.rtf.template.velocity.VelocityTemplateEngineImpl.mergeWithTemplateEngine(VelocityTemplateEngineImpl.java:44)
        at net.sourceforge.rtf.template.AbstractTemplateEngine.merge(AbstractTemplateEngine.java:94)
        at net.sourceforge.rtf.template.AbstractTemplateEngine.merge(AbstractTemplateEngine.java:80)
        at net.sourceforge.rtf.template.AbstractTemplateEngine.merge(AbstractTemplateEngine.java:65)
        at net.sourceforge.rtf.RTFTemplate.merge(RTFTemplate.java:113)
        at com.emtize.cp.core.manager.report.ReportGenerationManager.generateReport(ReportGenerationManager.java:128)
        at com.emtize.main.ReportGenerator.execute(ReportGenerator.java:81)
        at com.emtize.main.ReportGenerator.main(ReportGenerator.java:59)

thanks and regards
Sudhakar Sharma

[Ulf Dittmer]

I am using itext for generating report

You are? There's no iText class in the stacktrace, but a "net.sourceforge.rtf" package which implies that the http://rtftemplate.sourceforge.net/ library is involved ...

[Sudhakar Sharma]

Ulf Dittmer wrote:

I am using itext for generating report

You are? There's no iText class in the stacktrace, but a "net.sourceforge.rtf" package which implies that the http://rtftemplate.sourceforge.net/ library is involved ...

sorry, for mistake.

but, what the problem is. Please help

thanks and regard

[Sudhakar Sharma]

Hi,

Please help me

thanks and regards

[Sudhakar Sharma]

Hi,

Please help me, I couldn't able to find out the root cause.

thanks and regards

[Ulf Dittmer]

An object is null; check the source code of the net.sourceforge.rtf.format.DefaultInputStreamFormat.format method to see which one that might be.