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Problem with JNDI initial context

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andfer

Programmer
May 17, 2002
1
IT
We have two context defined in server.xml. The code for the two applications is the same.
In a class that implements ServletContextListener we try to use InitialContext but in the second context (docbase=./autobid) tomcat throws an exception:
javax.naming.NameNotFoundException: Name java: is not bound in this Context while in the first application (docbase=./portale) there's no problem.
What is the difference between the two context?
Thanks for the collaboration,

Danilo & Andrea

Here's the stack trace for the exception:

javax.naming.NameNotFoundException: Name java: is not bound in this Context
at org.apache.naming.NamingContext.lookup(NamingContext.java:811)
at org.apache.naming.NamingContext.lookup(NamingContext.java:194)
at javax.naming.InitialContext.lookup(InitialContext.java:347)
at it.marconimobile.businessapplication.portale.sql.InitializeDbProperties.contextInitialized(InitializeDbProperties.java:89)
at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3250)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3524)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:738)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1188)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:347)
at org.apache.catalina.core.StandardService.start(StandardService.java:497)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:2189)
at org.apache.catalina.startup.Catalina.start(Catalina.java:510)
at org.apache.catalina.startup.Catalina.execute(Catalina.java:400)
at org.apache.catalina.startup.Catalina.process(Catalina.java:180)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:324)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:203)


Here's the portion of code:

try {
Context ctx = (Context) new InitialContext().lookup("java:/comp/env");
}
catch (NamingException ex) {
context.log("ERROR");
ex.printStackTrace();
}


Here'a portion of our server.xml file:

<Context className=&quot;org.apache.catalina.core.StandardContext&quot; cachingAllowed=&quot;true&quot; charsetMapperClass=&quot;org.apache.catalina.util.CharsetMapper&quot; cookies=&quot;true&quot; crossContext=&quot;false&quot; debug=&quot;5&quot; displayName=&quot;Application 1&quot; docBase=&quot;./portale&quot; mapperClass=&quot;org.apache.catalina.core.StandardContextMapper&quot; path=&quot;/portale&quot; privileged=&quot;false&quot; reloadable=&quot;false&quot; swallowOutput=&quot;false&quot; useNaming=&quot;true&quot; wrapperClass=&quot;org.apache.catalina.core.StandardWrapper&quot;>
<Logger className=&quot;org.apache.catalina.logger.FileLogger&quot; debug=&quot;9&quot; directory=&quot;logs&quot; prefix=&quot;localhost_portale.&quot; suffix=&quot;.txt&quot; timestamp=&quot;true&quot; verbosity=&quot;4&quot;/>
<Resource name=&quot;jdbc/conn1&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn2&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn3&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn4&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn5&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<ResourceParams name=&quot;jdbc/conn1&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn2&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn3&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn4&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn5&quot;>
...
</ResourceParams>
</Context>
<Context className=&quot;org.apache.catalina.core.StandardContext&quot; cachingAllowed=&quot;true&quot; charsetMapperClass=&quot;org.apache.catalina.util.CharsetMapper&quot; cookies=&quot;true&quot; crossContext=&quot;false&quot; debug=&quot;5&quot; displayName=&quot;Application 2&quot; docBase=&quot;./autobid&quot; mapperClass=&quot;org.apache.catalina.core.StandardContextMapper&quot; path=&quot;/autobid&quot; privileged=&quot;false&quot; reloadable=&quot;false&quot; swallowOutput=&quot;false&quot; useNaming=&quot;true&quot; wrapperClass=&quot;org.apache.catalina.core.StandardWrapper&quot;>
<Logger className=&quot;org.apache.catalina.logger.FileLogger&quot; debug=&quot;9&quot; directory=&quot;logs&quot; prefix=&quot;localhost_autobid.&quot; suffix=&quot;.txt&quot; timestamp=&quot;true&quot; verbosity=&quot;4&quot;/>
<Resource name=&quot;jdbc/conn1&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn2&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<Resource name=&quot;jdbc/conn3&quot; auth=&quot;Container&quot; scope=&quot;Shareable&quot; type=&quot;javax.sql.DataSource&quot;/>
<ResourceParams name=&quot;jdbc/conn1&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn2&quot;>
...
</ResourceParams>
<ResourceParams name=&quot;jdbc/conn3&quot;>
...
</ResourceParams>
</Context>
 
i've got a question, rather that an answer, but maybe once i have the answer, i will be able to help.
we are also using the db pooling, and it works fine if i call a class for db connection from a jsp, but the problem starts when i call the same class from another class within my web-inf/classes/etc folder. any suggestions on how to avoid that? the error is something of the sort ... is not bound to this context?
Thanks,
Alex
 
the one change i found is


you have written

Context ctx = (Context) new InitialContext().lookup(&quot;java:/comp/env&quot;);


write

Context ctx = (Context) new InitialContext().lookup(&quot;java:comp/env&quot;);

notice that u have written java:/comp/env
it should be java:comp/env
 
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