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From "Shapira, Yoav" <Yoav.Shap...@mpi.com>
Subject RE: Servlet Deployment Problem
Date Wed, 23 Apr 2003 20:17:37 GMT

Howdy,
Are you overriding the init() or init(ServletConfig) method in your
servlet?  You should override the first, or make sure super(config) is
the first line of the second.

Yoav Shapira
Millennium ChemInformatics


>-----Original Message-----
>From: Michael Duffy [mailto:duffymo@yahoo.com]
>Sent: Wednesday, April 23, 2003 4:10 PM
>To: tomcat-user@jakarta.apache.org
>Subject: Servlet Deployment Problem
>
>I'm trying to deploy a servlet to Tomcat 4.1.24, using
>Ant and the Catalina install task with context.xml and
>web.xml descriptors.
>
>When I deploy the servlet I get this exception out in
>the context log file:
>
>2003-04-23 14:18:35
>StandardWrapper[/api-prototype:default]: Loading
>container servlet default
>2003-04-23 14:18:35 StandardContext[/api-prototype]:
>Servlet /api-prototype threw load() exception
>javax.servlet.ServletException: Servlet.init() for
>servlet APIPrototypeServlet threw exception
>	at
>org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.ja
va:9
>63)
>	at
>org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
>	at
>org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.
java
>:3420)
>	at
>org.apache.catalina.core.StandardContext.start(StandardContext.java:360
8)
>	at
>org.apache.catalina.startup.HostConfig.checkWebXmlLastModified(HostConf
ig.j
>ava:614)
>	at
>org.apache.catalina.startup.HostConfig.run(HostConfig.java:854)
>	at java.lang.Thread.run(Thread.java:536)
>----- Root Cause -----
>java.lang.NullPointerException
>	at
>javax.servlet.GenericServlet.getServletContext(GenericServlet.java:204)
>	at
>com.kaman.api.control.APIPrototypeServlet.init(Unknown
>Source)
>	at
>org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.ja
va:9
>35)
>	at
>org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:823)
>	at
>org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.
java
>:3420)
>	at
>org.apache.catalina.core.StandardContext.start(StandardContext.java:360
8)
>	at
>org.apache.catalina.startup.HostConfig.checkWebXmlLastModified(HostConf
ig.j
>ava:614)
>	at
>org.apache.catalina.startup.HostConfig.run(HostConfig.java:854)
>	at java.lang.Thread.run(Thread.java:536)
>
>I've never seen this before.  Can anyone tell me what
>I've done wrong?  The web.xml and context.xml are both
>well-formed XML, according to XMLNotepad.  Thanks - MOD
>
>__________________________________________________
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>
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