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Hi all!

kashifSN

I'm trying to run a report via a servlet in tomcat, I have followed the servlet example in 
<a class='bbc_url' href='http://wiki.eclipse.org/Servlet_Example_(BIRT)_2.1'>http://wiki.eclipse.org/Servlet_Example_(BIRT)_2.1</a> 
except that I have specified the report name. 
I get the following error: 
 
javax.servlet.ServletException: Servlet.init() for servlet WebReport threw exception 
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:874) 
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) 
 
 
root cause 
 
java.lang.NullPointerException 
java.util.Properties$LineReader.readLine(Unknown Source) 
java.util.Properties.load(Unknown Source) 
BirtEngine.loadEngineProps(Unknown Source) 
BirtEngine.initBirtConfig(Unknown Source) 
WebReport.init(Unknown Source) 
javax.servlet.GenericServlet.init(GenericServlet.java:212) 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) 
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) 
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874) 
org.apache.coyote.http11.Http11BaseProtocol$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) 
 
I kindly request urgent help.

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Comments

kashifSN

Actually I had to pass a value as a parameter to the servlet from a jsp file .Did that and it worked. if the output is set to text/html it works fine, but i get the same error in tomcat that i posted , if i try to change the ouput format to pdf.
Please help!

kashifSN

IE has a problem with that , you have to refresh the page to get the pdf output.
Mozilla gives it to you directly.

regards.

kevin23_hy

i got the same question,so i want ask why occur this exception and hwo to resolved.come on,that's emergent.

kevin23_hy

I copied the servlet example to my web-project that table report can be show out but chart can not be. i wanna ask what object that i lack.