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Posted to dev@tomcat.apache.org by G�bor Lipt�k <ga...@usa.net> on 2000/09/10 01:07:06 UTC

jspInit()/jspDestroy() context(s)

How one gets access to context(s) to set attributes during
jspInit()/jspDestroy()?

This following code (which I recall used to work with Tomcat 3.2 dev), does
not work with 3.2 beta3:

<html>
<head>
<title>InitDestroy.jsp</title>
</head>
<body>
<%! // init
public void jspInit(){ 
  //System.out.println("servletContext: "+application)); 
  //System.out.println("servletContext: "+config.getServletContext()); 
  System.out.println("pageContext: "+pageContext); 
  System.out.println("servletContext: "+pageContext.getServletContext());
} 
%>
<%! // destroy
public void jspDestroy(){ 
  //System.out.println("servletContext: "+application)); 
  //System.out.println("servletContext: "+config.getServletContext()); 
  System.out.println("servletContext: "+pageContext.getServletContext());
  System.out.println("pageContext: "+pageContext);
} 
%>
Completed.
</body>
</html>

It throws exceptions like in:

Internal Servlet Error:

org.apache.jasper.JasperException: 
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.load(JspServlet.java:118)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:154)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:164)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:382)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:387)
        at org.apache.tomcat.core.Handler.service(Handler.java:263)
        at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371)
        at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:749)
        at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:695)
        at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:207)
        at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:403)
        at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
        at java.lang.Thread.run(Thread.java:479)

Root cause: 

java.lang.NullPointerException: 
        at
_0002fInitDestroy_0002ejspInitDestroy_jsp_1.jspDestroy(_0002fInitDestroy_0002ejspInitDestroy_jsp_1.java:29)
        at
org.apache.jasper.runtime.HttpJspBase.destroy(HttpJspBase.java:100)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.destroy(JspServlet.java:212)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.load(JspServlet.java:114)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.loadIfNecessary(JspServlet.java:154)
        at
org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:164)
        at
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:309)
        at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:382)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at
org.apache.tomcat.core.ServletWrapper.doService(ServletWrapper.java:387)
        at org.apache.tomcat.core.Handler.service(Handler.java:263)
        at
org.apache.tomcat.core.ServletWrapper.service(ServletWrapper.java:371)
        at
org.apache.tomcat.core.ContextManager.internalService(ContextManager.java:749)
        at
org.apache.tomcat.core.ContextManager.service(ContextManager.java:695)
        at
org.apache.tomcat.service.http.HttpConnectionHandler.processConnection(HttpConnectionHandler.java:207)
        at
org.apache.tomcat.service.TcpWorkerThread.runIt(PoolTcpEndpoint.java:403)
        at
org.apache.tomcat.util.ThreadPool$ControlRunnable.run(ThreadPool.java:498)
        at java.lang.Thread.run(Thread.java:479)
Please comment.

Thanks


G�bor Lipt�k
Have you http://www.robofetch.com/ -ed today?

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