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preethi Ayyappan
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Hi,
I am trying to run a servlet program (http://localhost:8080/CallSetup)through tomcat.It is showing the following error:

exception

javax.servlet.ServletException: Servlet execution threw an exception

root cause

java.lang.NoClassDefFoundError: javax/persistence/EntityManagerFactory
com.ericsson.sip.RegistrationBrowserServlet.getRegistrations(RegistrationBrowserServlet.java:63)
com.ericsson.sip.RegistrationBrowserServlet.processRequest(RegistrationBrowserServlet.java:76)
com.ericsson.sip.RegistrationBrowserServlet.doGet(RegistrationBrowserServlet.java:125)
javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)


please assist me to solve this

Thanks.
 
Sagar Rohankar
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seems like an ejb-api jar file missing, Look for this jar and paste it into /lib directory ! (i.e in classpath )
 
Schandha Ravi
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This is surely not a problem of your servlet. It is related to your persistance logic. Make sure you have necessary jar files, configuration files and any other necessary information in your ear file.
 
It is sorta covered in the JavaRanch Style Guide.
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