Problem with db/server connection in a cluster on the WebLogic application server configuration

Hi all,

Maybe someone here has already encountered this problem. I want to deploy and run my application on a cluster (with 2 servers) on WebLogic configuration. All data sources appear to be configured correctly, the application is deployed correctly and that it works correctly, except when a sql query is taken to a specific java class (DataGridService) that handles the results grid search.

It displays the following error:

MDatagrid: query: select * xxxxxx WHERE (xxxx) {'success': false, 'id': messageType '',' ': "ERROR", "messageFunction": "Sql Error", 'messageDescription' ': 'java.lang.ClassCastException: weblogic.jdbc.rmi.SerialConnection_weblogic_jdbc_rmi_internal_ConnectionImpl_weblogic_jdbc_wrapper_JTAConnection_weblogic_jdbc_wrapper_XAConnection_oracle_jdbc_driver_LogicalConnection_1211_WLStub cannot be cast to oracle.jdbc.OracleConnection',' iconMessage":"Ext.MessageBox.ERROR","buttonMessage":"Ext.MessageBox.OK","msgTitle":"System Error!"}

As I said, all sources of data in the console of wl appear to be correctly configured with the option "Not packaged data items of Type" not selected. All other connection db work correctly but there is a problem only with this particular class and with the cluster configuration, in fact it works correctly on a stitching configuration. In this case, the same problem occurs if 'Objects of Type data not packaged' is selected.

Maybe there is a problem with a certain configuration of wl. Can someone help us?

We have just solved the problem: in the properties file, wls.context parameter, we forgot to insert the ip for all servers in the cluster

for example, cluster with 2 servers

bad: wls.context=t3://ip-address:7001 (this is the only server admin)

correct: wls.context=t3://ip address: 7001,ip address: 7002,ip address: 7003 (admin server, Server1 Server2)

Tags: Fusion Middleware

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