500 Internal Error /em/console

[ksbrace]

Hello,
I'm getting a 500 Internal Error when I attempt to visit the dbconsole page. This is 10gR2 on Windows box. Any suggestions would be greatly appreciated. thanks in advance!

500 Internal Server Error

java.lang.NullPointerException

	at oracle.jdbc.driver.T4CTTIoauthenticate.marshalOauth(T4CTTIoauthenticate.java:381)

	at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:360)

	at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:493)

	at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:164)

	at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:34)

	at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:767)

	at oracle.jdbc.pool.OracleDataSource.getPhysicalConnection(OracleDataSource.java:324)

	at oracle.jdbc.pool.OracleConnectionPoolDataSource.getPooledConnection(OracleConnectionPoolDataSource.java:114)

	at oracle.jdbc.pool.OracleConnectionCacheImpl.getNewPoolOrXAConnection(OracleConnectionCacheImpl.java:694)

	at oracle.jdbc.pool.OracleConnectionCacheImpl.getPooledConnection(OracleConnectionCacheImpl.java:540)

	at oracle.jdbc.pool.OracleConnectionCacheImpl.getConnection(OracleConnectionCacheImpl.java:346)

	at oracle.jdbc.pool.OracleConnectionCacheImpl.getConnection(OracleConnectionCacheImpl.java:324)

	at oracle.sysman.util.jdbc.ConnectionCache._getConnection(ConnectionCache.java:296)

	at oracle.sysman.util.jdbc.ConnectionCache.getUnwrappedConnection(ConnectionCache.java:423)

	at oracle.sysman.emSDK.svc.conn.FGAConnectionCache.getFGAConnection(FGAConnectionCache.java:156)

	at oracle.sysman.emSDK.svc.conn.ConnectionService.getPrivateConnection(ConnectionService.java:605)

	at oracle.sysman.emSDK.svc.conn.ConnectionService.getRepositoryVersionAndMode(ConnectionService.java:368)

	at oracle.sysman.emSDK.svc.conn.ConnectionService.verifyRepositoryEx(ConnectionService.java:395)

	at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:144)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:604)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:793)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)

	at com.evermind[Oracle Application Server Containers for J2EE 10g (9.0.4.1.0)].util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)

	at java.lang.Thread.run(Thread.java:534)