Communication exception occured while saving the thresholds data to the emd

Question

Hi All,
I have a 2 node installation of R12 running on HP-UX whereby one node is the application tier and the second node is the database tier....
I have configured Enterprise Manager Database console on the db tier.
Am trying to edit the metrics but i keep getting the error below.I have enough disk space and my permissions are setup correctly but am still getting the same error.
I have tried editing on different browsers but still i have failed.Could anyone please help me out.]
Error occurred while editing the metric thresholds.
Communication exception occured while saving the thresholds data to the emd.

Answer 1

2008-10-20 17:43:35,075 [SeverityLoad http://erpdb.zantel.com:3938/emd/main] WARN jdbc.ConnectionCache _getConnection.303 - Got a fatal exeption when getting a connection; Error code = 17002; Cleaning up cache and retrying
2008-10-20 17:43:35,075 [SeverityLoad http://erpdb.zantel.com:3938/emd/main] WARN jdbc.ConnectionCache _getConnection.306 - Io exception: Got minus one from a read call
java.sql.SQLException: Io exception: Got minus one from a read call
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:111)
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:145)
     at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:254)
     at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:386)
     at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:518)
     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.getPrivateConnectionNoWait(ConnectionService.java:659)
     at oracle.sysman.emdrep.receiver.FxferRecv.markFileAsError(FxferRecv.java:1083)
     at oracle.sysman.emdrep.receiver.FxferRecv.loadSeverities(FxferRecv.java:1216)
     at oracle.sysman.emdrep.receiver.FxferRecv.receiveFile(FxferRecv.java:1509)
     at oracle.sysman.emdrep.receiver.FxferRecv.doPost(FxferRecv.java:820)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
     at com.evermind.server.http.ResourceFilterChain.doFilter(ResourceFilterChain.java:65)
     at oracle.sysman.eml.app.ContextInitFilter.doFilter(ContextInitFilter.java:282)
     at com.evermind.server.http.ServletRequestDispatcher.invoke(ServletRequestDispatcher.java:604)
     at com.evermind.server.http.ServletRequestDispatcher.forwardInternal(ServletRequestDispatcher.java:317)
     at com.evermind.server.http.HttpRequestHandler.processRequest(HttpRequestHandler.java:793)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:270)
     at com.evermind.server.http.HttpRequestHandler.run(HttpRequestHandler.java:112)
     at com.evermind.util.ReleasableResourcePooledExecutor$MyWorker.run(ReleasableResourcePooledExecutor.java:192)
     at java.lang.Thread.run(Thread.java:534)
2008-10-20 17:43:35,192 [HttpRequestHandler-9114403] ERROR eml.FxferRecv doPost.828 - Upload repsonse header :-ERROR-400|Io exception: Got minus one from a read call-