eclipse servlet problem

Posted by raxvan on Stack Overflow See other posts from Stack Overflow or by raxvan
Published on 2010-06-10T12:28:03Z Indexed on 2010/06/10 12:33 UTC
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java

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eclipse

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servlet

Hello,

i have created a dynamic web page for a servlet. When i try run the project i get the following error:

http starus 500

javax.servlet.ServletException: Error instantiating servlet class ch.uzh.ifi.attempto.aceeditor.MyMainServlet
 org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
 org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
 org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
 org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
 org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
 org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
 org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
 java.lang.Thread.run(Unknown Source)

how can i fix this?

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