This is puzzling, and is only an issue on tcServer. We were running Tomcat before and do not see this error. When tcServer starts this application, it appears it attempts to register a couple of datasources under a JMX naming context. But there are no datasources defined in context.xml for this app, only in Spring (and Hibernate) contexts. I would expect these to remain inside the app, not be accessible from the container (as happens with Tomcat).

Here's the error I get on startup. The app, however, starts up fine after this and DB access works correctly. But it's very disconcerting to see all these errors at startup. I've run this through a debugger and everything in the PoolConfiguration object is null (including driverclass name which causes the NPE) except for "name" which is "Tomcat Connection Pool[1-16115732]". Any ideas?

Code:
22-Jan-2013 15:47:44.855 WARNING [localhost-startStop-1] org.apache.catalina.core.NamingContextListener.addResource Failed to register in JMX: javax.naming.NamingException
22-Jan-2013 15:47:44.857 WARNING [localhost-startStop-1] org.apache.naming.NamingContext.lookup Unexpected exception resolving reference
 java.sql.SQLException
        at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:254)
        at org.apache.tomcat.jdbc.pool.PooledConnection.connect(PooledConnection.java:182)
        at org.apache.tomcat.jdbc.pool.ConnectionPool.createConnection(ConnectionPool.java:699)
        at org.apache.tomcat.jdbc.pool.ConnectionPool.borrowConnection(ConnectionPool.java:631)
        at org.apache.tomcat.jdbc.pool.ConnectionPool.init(ConnectionPool.java:485)
        at org.apache.tomcat.jdbc.pool.ConnectionPool.<init>(ConnectionPool.java:143)
        at org.apache.tomcat.jdbc.pool.DataSourceProxy.pCreatePool(DataSourceProxy.java:116)
        at org.apache.tomcat.jdbc.pool.DataSourceProxy.createPool(DataSourceProxy.java:103)
        at org.apache.tomcat.jdbc.pool.DataSourceFactory.createDataSource(DataSourceFactory.java:539)
        at org.apache.tomcat.jdbc.pool.DataSourceFactory.getObjectInstance(DataSourceFactory.java:237)
        at org.apache.naming.factory.ResourceFactory.getObjectInstance(ResourceFactory.java:143)
        at javax.naming.spi.NamingManager.getObjectInstance(NamingManager.java:304)
        at org.apache.naming.NamingContext.lookup(NamingContext.java:843)
        at org.apache.naming.NamingContext.lookup(NamingContext.java:154)
        at org.apache.naming.NamingContext.lookup(NamingContext.java:831)
        at org.apache.naming.NamingContext.lookup(NamingContext.java:168)
        at org.apache.catalina.core.NamingContextListener.addResource(NamingContextListener.java:1061)
        at org.apache.catalina.core.NamingContextListener.createNamingContext(NamingContextListener.java:671)
        at org.apache.catalina.core.NamingContextListener.lifecycleEvent(NamingContextListener.java:270)
        at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
        at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
        at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5173)
        at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
        at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:901)
        at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:877)
        at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:633)
        at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:968)
        at org.apache.catalina.startup.HostConfig$DeployWar.run(HostConfig.java:1646)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.NullPointerException
        at java.lang.Class.forName0(Native Method)
        at java.lang.Class.forName(Class.java:247)
        at org.apache.tomcat.jdbc.pool.PooledConnection.connectUsingDriver(PooledConnection.java:246)
        ... 33 more

22-Jan-2013 15:47:44.857 WARNING [localhost-startStop-1] org.apache.catalina.core.NamingContextListener.addResource Failed to register in JMX: javax.naming.NamingException