Html - How to solve this error "HTTP Status 500"?

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How to solve this error "HTTP Status 500"?

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type Exception report

message

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

exception

java.lang.NullPointerException
org.apache.catalina.manager.HTMLManagerServlet.list(HTMLManagerServlet.java:423)
org.apache.catalina.manager.HTMLManagerServlet.doGet(HTMLManagerServlet.java:161)
javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
javax.servlet.http.HttpServlet.service(HttpServlet.java:856)

note The full stack trace of the root cause is available in the Tomcat logs.

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Apache Tomcat/5.0.14

Total Answers and Comments: 3

Last Update: December 26, 2007 Asked by: mythilikumar

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Best Rated Answer

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Submitted by: murali

NullPointer Exception is a typical exception thrown when you tries to set incompatible datatypes without casting them

Above answer was rated as good by the following members:
Agalya, niti_180188

May 17, 2006 07:16:26

murali

RE: How to solve this error "HTTP Status 500"

NullPointer Exception is a typical exception thrown when you tries to set incompatible datatypes without casting them

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1 0

Overall Rating: +1

August 24, 2006 08:01:31

Saroj

RE: How to solve this error "HTTP Status 500"

I m getting so many times this error along with The server encounter an error() that prevented it from fulfilling this requirement...So would u please tell how to solve this.

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1 1

Overall Rating: -N/A-

September 15, 2006 05:16:00

vinoth

RE: How to solve this error "HTTP Status 500"

good answer keep it up.go..on.. go.. on..

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