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Netcool WebGUI users get Error 500 from Filter Builder, View Builder

Troubleshooting


Problem

Users get below error from filter, view, and tool builder: Error 500: javax.servlet.ServletException: ArgumentException: A connection could not be obtained for driver class "null" and URL "null"

Symptom

User get below error message on the screen from filter builder, view builder, tool builder :

Error 500: javax.servlet.ServletException: <openjpa-1.2.3-SNAPSHOT-r422266:1350274 fatal user error> org.apache.openjpa.persistence. ArgumentException: A connection could not be obtained for driver class "null" and URL "null". You may have specified an invalid URL.

Below error messages were found in SystemOut.log on WebGUI server. These error messages suggest that WebGUI server is trying to access DB2 database but it is failing.


[6/17/15 14:15:02:237 EDT] 0000002f servlet       E com.ibm.ws.webcontainer.servlet.ServletWrapper service SRVE0068E: Uncaught exception created in one of the service methods of the servlet AutoAdminXMLRPC in application isc. Exception created : <openjpa-1.2.3-SNAPSHOT-r422266:1350274 fatal user error> org.apache.openjpa.persistence.ArgumentException: A connection could not be obtained for driver class "null" and URL "null".  You may have specified an invalid URL.

Caused by: com.ibm.websphere.ce.cm.StaleConnectionException: [ibm][db2][jcc][t4][2043][11550] Exception java.net.ConnectException: Error opening socket to server mytesserver.com/9.11.11.11 on port 50,000 with message: Connection refused.DSRA0010E: SQL State = null, Error Code = -4,499

[{"Product":{"code":"SSSHTQ","label":"Tivoli Netcool\/OMNIbus"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Web GUI","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"7.4.0;7.3.1","Edition":"All Editions","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
09 May 2025

UID

swg21960344

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