Tomcat 6.0.18
java version "1.6.0_06" (sun-java6-jdk on Ubuntu 8.04 i386)
I'm attempting to create environment entry resources, of type
java.lang.String, within conf/server.xml and access them from web
applications using JNDI. I've created a bare-bones test web app,
jndistring, with the following conf/server.xml configuration:
server.xml (snipped):
-----------------------------
<Host name="localhost"
appBase="webapps"
unpackWARs="true"
autoDeploy="false"
deployOnStarup="true"
xmlValidation="false"
xmlNamespaceAware="false">
<Context docBase="jndistring.war"
path="jndistring"
useNaming="true">
<Environment name="teststring"
value="a test value"
type="java.lang.String"
override="false"
/>
</Context>
</Host>
For the purpose of this test I've used jsp to access the value of teststring.
jndistring.jsp (snipped):
--------------------------------
<%
Context initCtx = new InitialContext();
Context envCtx = (Context) initCtx.lookup("java:comp/env");
String teststring = (String) envCtx.lookup("teststring");
out.println("teststring: " + teststring);
%>
Accessing this page throws an exception:
org.apache.jasper.JasperException: An exception occurred processing
JSP page /test.jsp at line 18
15: Context initCtx = new InitialContext();
16: Context envCtx = (Context) initCtx.lookup("java:comp/env");
17:
18: String teststring = (String) envCtx.lookup("teststring");
19: out.println("teststring: " + teststring);
20: %>
The top frame of the root cause is shown as:
javax.servlet.ServletException: javax.naming.NameNotFoundException:
Name teststring is not bound in this Context
If I attempt to create an environment entry resource using
<env-entry/> (and sub-elements) within web.xml, then the resource is
created and I can access it!!!
I've read the "JNDI resources howto", docs regarding the <Host/>,
<Context/> and <Environment/> elements (and others), but don't see
that I have missed anything.
Can anyone suggest what I might have missed? Has anyone else had
similar problems?
Thanks,
Paul.
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