Hi,

When I open web page with database connection directly
(not via Apache and WebApp) it works fine (displays
records from database), but when I open the same page
through Apache using WebApp I got Null Pointer
Exception.

I hope some one has a suggestion for this.

I am using Tomcat4.1, Apache2.0.4, RedHat
9.0,j2sdk1.4.2, WebApp, InterClient and InterBase 6.0
database.

Here is the Exception I am getting:
--------------------------------------------------
exception

org.apache.jasper.JasperException
 at
org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:248)
 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)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:247)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:193)
 at
org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:260)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:480)
 at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:191)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.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:2415)
 at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:180)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:172)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:480)
 at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:995)
 at
org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:174)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.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.connector.warp.WarpRequestHandler.handle(Unknown
Source)
 at
org.apache.catalina.connector.warp.WarpConnection.run(Unknown
Source)
 at java.lang.Thread.run (Thread.java:534)


root cause

java.lang.NullPointerException
 at
org.apache.jsp.index1_jsp._jspService(index1_jsp.java:61)
 at
org.apache.jasper.runtime.HttpJspBase.service (HttpJspBase.java:137)
 at
javax.servlet.http.HttpServlet.service (HttpServlet.java)
 at
org.apache.jasper.servlet.JspServletWrapper.service (JspServletWrapper.java:204)
 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)
 at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter (ApplicationFilterChain.java:247)
 at
org.apache.catalina.core.ApplicationFilterChain.doFilter (ApplicationFilterChain.java:193)
 at
org.apache.catalina.core.StandardWrapperValve.invoke (StandardWrapperValve.java:260)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:480)
 at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:995)
 at
org.apache.catalina.core.StandardContextValve.invoke (StandardContextValve.java:191)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.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:2415)
 at
org.apache.catalina.core.StandardHostValve.invoke (StandardHostValve.java:180)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
 at
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 at
org.apache.catalina.valves.ErrorReportValve.invoke (ErrorReportValve.java:172)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
 at
org.apache.catalina.core.StandardPipeline.invoke (StandardPipeline.java:480)
 at
org.apache.catalina.core.ContainerBase.invoke (ContainerBase.java:995)
 at
org.apache.catalina.core.StandardEngineValve.invoke (StandardEngineValve.java:174)
 at
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.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.connector.warp.WarpRequestHandler.handle(Unknown
Source)
 at
org.apache.catalina.connector.warp.WarpConnection.run(Unknown
Source)
 at java.lang.Thread.run (Thread.java:534)

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

Thanks,

Vid

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