WebApp (Tomcat-jdbc) Pooled DB connection throwing abandon exception

Question

I have been browsing SO for some time, and chewing my hat in the process, but cannot find an exact match to my problem.
For short, I am getting superb stack trace (org.a

Answer 1

I can see this thread is old, but I had a similar problem, and I eventually found the reason that caused it, so I would like to share if it can help someone:

I used the connection from a restful web-service. In the interface at the serverside handling request from the client, I had accidentially put 'throws IOException' in the method signature:

@GET
@Path("/databases")
@Produces(MediaType.APPLICATION_JSON)
public String getAllDatabases() throws IOException {