HTTP Status 500 - JasperReports e Tomcat

Marcelo Conceicao · Julho 5, 2005

Olá pessoal, td blzz

Minha classe está dando erro ao tentar acessar o BD e carregar o relatório na tela.

Estou utilizando Oracle 9i

Se alguém puder me ajudar agradeço desde já http://forum.imasters.com.br/public/style_emoticons/default/thumbsup.gif

O erro é esse logo abaixo:

HTTP Status 500 -

--------------------------------------------------------------------------------

type Exception report

message

description The server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException

at GeraRelatorio.doGet(GeraRelatorio.java:42)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:696)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:809)

at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilt

erChain.java:200)

at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.

java:146)

at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:2

09)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:1

44)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2358)

at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:133)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java

:118)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:116)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:594)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:127

)

at org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:596)

at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:433)

at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:948)

at org.apache.coyote.tomcat4.CoyoteAdapter.service(CoyoteAdapter.java:152)

at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:799)

at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:705)

at org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:577)

at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:683)

at java.lang.Thread.run(Thread.java:534)

root cause

java.lang.NullPointerException

at java.io.ObjectInputStream$PeekInputStream.read(ObjectInputStream.java:2150)

at java.io.ObjectInputStream$PeekInputStream.readFully(ObjectInputStream.java:2163)

at java.io.ObjectInputStream$BlockDataInputStream.readShort(ObjectInputStream.java:2631)

at java.io.ObjectInputStream.readStreamHeader(ObjectInputStream.java:734)

at java.io.ObjectInputStream.<init>(ObjectInputStream.java:253)

at net.sf.jasperreports.engine.util.JRLoader.loadObject(JRLoader.java:232)

at net.sf.jasperreports.engine.JasperManager.loadReport(JasperManager.java:1047)

at GeraRelatorio.doGet(GeraRelatorio.java:25)