nullpointerexception « Tomcat « JSP-Servlet Q&A

1. Can NullPointerExceptions cause Tomcat performance issues after they've stopped happening?

One of my applications runs on a Windows Service instance of Tomcat 5.5, running Java 1.6. We've got an issue in the code where the application creates a NullPointerException if ...

2. Servlet.service() for servlet jsp threw exception java.lang.NullPointerException

i am getting below exception and tomcat hangs and my services are down.

SEVERE: Servlet.service() for servlet jsp threw exception
    at org.apache.jsp.search_005fresult_jsp._jspService(
    at org.apache.jasper.runtime.HttpJspBase.service(

3. Tomcat and null pointer exception when accesing session attributes

I have been working on a project for 6 months using net beans ide in order to develop an elearning web application.Everything worked fine inside net beans.(The project was from existing ...

4. Nullpointerexception thrown when webpage kept open for long time

I'm developing a website using JSP and Servlets using Apache - tomcat 5.5 as server. My application runs fine. But whenever I leave any webpage open and return back to it after ...

5. Tomcat + NullPointerException