Resolution:
Description:
=========
The server encountered an internal error () that prevented it from fulfilling this request.


Environment:
=========
BW ALL

Symptoms:
========

The following exception stack trace will be printed.

com.tibco.runtime.pool.ServerNotAvailableException: Server not available at address 'xxxxx'
    com.tibco.runtime.pool.impl.ConnectionPoolImpl.getAvailableObject(ConnectionPoolImpl.java:198)
    com.tibco.runtime.pool.impl.ObjectPoolImpl.getObject(ObjectPoolImpl.java:219)
    com.tibco.runtime.pool.impl.ConnectionPoolImpl.getObject(ConnectionPoolImpl.java:188)
    com.tibco.runtime.pool.impl.ConnectionPoolImpl.getConnection(ConnectionPoolImpl.java:219)
    com.tibco.runtime.pool.impl.ConnectionPoolImpl.getConnectionWithRetry(ConnectionPoolImpl.java:380)
    com.tibco.pof.entitystore.db.DBEntityStore.init(DBEntityStore.java:456)
    com.tibco.pof.entitystore.EntityStoreManager.a(EntityStoreManager.java:221)
    com.tibco.pof.entitystore.EntityStoreManager.getEntityStore(EntityStoreManager.java:202)
    com.tibco.pof.entitystore.EntityStoreManager.getReadOnlyEntityDomain(EntityStoreManager.java:333)
    com.tibco.pof.entitystore.EntityStoreManager.getReadOnlyEntityDomain(EntityStoreManager.java:327)
    com.tibco.pof.entitystore.EntityStoreManager.getReadOnlyEntityDomain(EntityStoreManager.java:312)
    com.tibco.pof.admindomain.AdministrationDomain.instance(AdministrationDomain.java:181)
    com.tibco.administrator.AdministratorServlet.a(AdministratorServlet.java:835)
    com.tibco.administrator.AdministratorServlet.destroy(AdministratorServlet.java:928)
    com.tibco.administrator.AdministratorServlet.init(AdministratorServlet.java:155)
    org.apache.catalina.servlets.InvokerServlet.serveRequest(InvokerServlet.java:370)
    org.apache.catalina.servlets.InvokerServlet.doGet(InvokerServlet.java:134)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
    javax.servlet.http.HttpServlet.service(HttpServlet.java:729)

Cause:
=====
Invalid classpath entries.

Resolution:
========
Make sure that the JDBC driver is loaded properly in the class path. The actual error message is misleading.