#32 cewolf 0.9.7 stack trace under Tomcat

open
nobody
TagLibrary (33)
5
2013-01-13
2003-09-15
Anonymous
No

Hi!

I am running cewolf 0.9.7. under Tomcat 4.1.27.
I have done the most simplest webapp as you have
instructed in tutorial and I get the following stack trace
below. A zip with the full (small) application is inlcuded,
ready to deploy in 'webapps'.
The (very small) source to the DatasetProducer is also
included in the zip-file.

Best regards
Reine
e-mail: reine.lindqvist@ninebit.se

java.lang.NullPointerException
at
de.laures.cewolf.taglib.tags.ChartImgTag.doStartTag
(ChartImgTag.java:74)
at
org.apache.jsp.chart_jsp._jspx_meth_cewolf_img_0
(chart_jsp.java:183)
at org.apache.jsp.chart_jsp._jspService
(chart_jsp.java:86)
at
org.apache.jasper.runtime.HttpJspBase.service
(HttpJspBase.java:137)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
at
org.apache.jasper.servlet.JspServletWrapper.service
(JspServletWrapper.java:210)
at
org.apache.jasper.servlet.JspServlet.serviceJspFile
(JspServlet.java:295)
at org.apache.jasper.servlet.JspServlet.service
(JspServlet.java:241)
at javax.servlet.http.HttpServlet.service
(HttpServlet.java:853)
at
org.apache.catalina.core.ApplicationFilterChain.internalDo
Filter(ApplicationFilterChain.java:247)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
at
org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:256)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:480)
at
org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:191)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:480)
at
org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:995)
at
org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2416)
at
org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:171)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:172)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:641)
at
org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:480)
at
org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:995)
at
org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
at
org.apache.catalina.core.StandardPipeline$StandardPipeli
neValveContext.invokeNext(StandardPipeline.java:643)
at
org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:480)
at
org.apache.catalina.core.ContainerBase.invoke
(ContainerBase.java:995)
at
org.apache.coyote.tomcat4.CoyoteAdapter.service
(CoyoteAdapter.java:223)
at
org.apache.coyote.http11.Http11Processor.process
(Http11Processor.java:601)
at
org.apache.coyote.http11.Http11Protocol$Http11Connec
tionHandler.processConnection(Http11Protocol.java:392)
at
org.apache.tomcat.util.net.TcpWorkerThread.runIt
(PoolTcpEndpoint.java:565)
at
org.apache.tomcat.util.threads.ThreadPool$ControlRunna
ble.run(ThreadPool.java:619)
at java.lang.Thread.run(Thread.java:484)

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