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JNDI Values not accessible on Gemini blueprint Spring Configuration running on Tomcat [message #1854189]

Fri, 05 August 2022 09:21

Christian Meister

Messages: 3
Registered: November 2015

Junior Member

I am trying to access JNDI values from SpringConfiguration class invoked by Gemini Blueprint.
This application runs on Apache Tomcat with Equinox OSGI.
It is old Application that uses Gemini Blueprint 1.0.2.

I can define my JDNI Values in server.xml link them in context.xml and use them in my web.xml.

In my launch.ini i use the parent classloader fwk so the JNDI configuration is passed to the OSGI-Container.

My Application-Bundles can read those values for example in Bundle-Activator:

String xxx= InitialContext.doLookup("java:comp/env/xxx"); or
String xxx= new InitialContext().lookup("java:comp/env/xxx");

Invoked from Gemini in BlueprintExtenderThread i can't access those values.
<jee:jndi-lookup id="xxx" jndi-name="java:comp/env/xxx" />
fails.

The classloaders are different in Bundle-Activator and BlueprintExtenderThread.
How can i access my JNDI configuration with gemini blueprint?

[Updated on: Fri, 05 August 2022 10:47]

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Re: JNDI Values not accessible on Gemini blueprint Spring Configuration running on Tomcat [message #1854216 is a reply to message #1854189]

Mon, 08 August 2022 09:04

Christian Meister

Messages: 3
Registered: November 2015

Junior Member

I found a Solution that i can use.

If i Move my JNDI-Lookups from xml into my Spring-Configuration-class then i can change the clasloader in init like this:
Thread.currentThread().setContextClassLoader(this.getClass().getClassLoader());

After that i my Lookups work fine.

i found that solution in Stackoverflow
https://stackoverflow.com/questions/30881786/can-spring-boot-be-used-with-osgi-if-not-any-plans-to-have-an-osgi-spring-boot.

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