不使用web.xml时如何将JDBC数据源绑定到JNDI上下文“ java：comp / env / jdbc”

Question

How to bind a JDBC datasource to JNDI context java:comp/env/jdbc only using code-based approach.

We need to write resource-ref in the web.xml for binding a dataSource to JNDI local context java:comp/env/jdbc . But I want to use only org.springframework.web.context.AbstractContextLoaderInitializer instead of web.xml (the old approach).

We know the method InitialContext#createSubcontext . But some application servers(eg Websphere) do not accept to edit the context java:comp/env/jdbc/ .

Any solutions?

Versions:

• Spring 4.0.7
• Servlet 3.0

Answer 1

You could try a full programmatic approach using Spring's SimpleNamingContextBuilder:

  SimpleNamingContextBuilder builder = new SimpleNamingContextBuilder();
  DataSource ds = new DriverManagerDataSource(...);
  builder.bind("java:comp/env/jdbc/myds", ds); // you control the datasource
  builder.activate();

It's mainly there for test-purposes. If you choose to use it then you need to provide your own connection pool (eg Apache's Jakarta Commons DBCP).

I once used for testing when I deployed to cloudbees. see this blogpost

This works in "plain" Tomcat. I don't have a EE server to test with, but you could try it and see what happens (I guess the JNDI binding name has to be unique to the server though).

Answer 2

What is your application server?

See if this helps.

How to use JNDI DataSource provided by Tomcat in Spring?