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Can not compile Jsp file.

2 replies on 1 page. Most recent reply: Sep 28, 2003 8:15 AM by Charles Bell

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perry arora

Posts: 22
Nickname: perry
Registered: Sep, 2003

Can not compile Jsp file. Posted: Sep 27, 2003 1:00 AM
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hi following is error message which i am getting

can any 1 help me.```` it is connected with my previous problem posted




org.apache.jasper.JasperException: Unable to compile class for JSP
at org.apache.jasper.servlet.JspServlet.loadJSP(Unknown Source)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(Unknown Source)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(Unknown Source)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source)
at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(Unknown Source)
at org.apache.catalina.core.ApplicationDispatcher.doForward(Unknown Source)
at org.apache.catalina.core.ApplicationDispatcher.forward(Unknown Source)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor .java:455)
at MyProcessor.process(MyProcessor.java:25)
at MyActionServlet.process(MyActionServlet.java:52)
at MyActionServlet.doGet(MyActionServlet.java:31)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.connector.http.HttpProcessor.process(Unknown Source)
at org.apache.catalina.connector.http.HttpProcessor.run(Unknown Source)
at java.lang.Thread.run(Thread.java:479)





Root Cause:
java.lang.NumberFormatException: File E
at java.lang.Integer.parseInt(Integer.java:409)
at java.lang.Integer.parseInt(Integer.java:458)
at org.apache.jasper.compiler.Compiler.getJspLineErrors(Unknown Source)
at org.apache.jasper.compiler.Compiler.compile(Unknown Source)
at org.apache.jasper.servlet.JspServlet.loadJSP(Unknown Source)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(Unknown Source)
at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(Unknown Source)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(Unknown Source)
at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationDispatcher.invoke(Unknown Source)
at org.apache.catalina.core.ApplicationDispatcher.doForward(Unknown Source)
at org.apache.catalina.core.ApplicationDispatcher.forward(Unknown Source)
at org.apache.struts.action.RequestProcessor.doForward(RequestProcessor.java:1069)
at org.apache.struts.action.RequestProcessor.processForwardConfig(RequestProcessor .java:455)
at MyProcessor.process(MyProcessor.java:25)
at MyActionServlet.process(MyActionServlet.java:52)
at MyActionServlet.doGet(MyActionServlet.java:31)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:740)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(Unknown Source)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(Unknown Source)
at org.apache.catalina.core.StandardWrapperValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContextValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardContext.invoke(Unknown Source)
at org.apache.catalina.core.StandardHostValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.valves.AccessLogValve.invoke(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.core.StandardEngineValve.invoke(Unknown Source)
at




org.apache.catalina.core.StandardPipeline.invokeNext(Unknown Source)
at org.apache.catalina.core.StandardPipeline.invoke(Unknown Source)
at org.apache.catalina.core.ContainerBase.invoke(Unknown Source)
at org.apache.catalina.connector.http.HttpProcessor.process(Unknown Source)
at org.apache.catalina.connector.http.HttpProcessor.run(Unknown Source)
at java.lang.Thread.run(Thread.java:479)


Senthoorkumaran Punniamoorthy

Posts: 335
Nickname: senthoor
Registered: Mar, 2002

Re: Can not compile Jsp file. Posted: Sep 27, 2003 5:23 AM
Reply to this message Reply
Looks like you may be passing null to Integer.parseInt() in your JSP????

Charles Bell

Posts: 519
Nickname: charles
Registered: Feb, 2002

Re: Can not compile Jsp file. Posted: Sep 28, 2003 8:15 AM
Reply to this message Reply
The lines
Root Cause:
java.lang.NumberFormatException: File E

tell me that somehwer in your jsp code you have a line of code that parses a String and converts it to an integer value. But you fed it a String that could not be parsed correctly.
It looks like the program saw the String value "File E"
That's not an intger.

suggestion:
int n = -1; 
String s = getInput(); 
try{
   n = Integer.parseInt(s);
}catch(NumberFormatException nfe){
   n = -1;
}
if (n >= 0){
   process valid input
}else{
   //tell the user they entered an invalid input 
   //and try again
}

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