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Tuxedo JCA: " Error: select operation failed for ConnectionContext(null), client disconnect" (Doc ID 1335890.1)

Last updated on FEBRUARY 03, 2019

Applies to:

Tuxedo JCA Adapter - Version and later
Information in this document applies to any platform.


With the following setup:

     OC4J --> Tuxedo JCA Adapter --> Tuxedo

When the J2EE application sends large 4-5MB request to Tuxedo, gateway indicates connection was lost. Smaller sized requests work fine.

The errors below are shown in the JCA log:

2011-03-31 22:55:22,099 1095604 [AJPRequestHandler-RMICallHandler-6 :: ] ERROR ody.common.tuxedo.OracleConnector - ody.common.tuxedo.OracleServiceConnector
javax.resource.ResourceException: TPCALL failed TPException:TPESYSTEM(12):0:0:TPED_MINVAL(0):QMNONE(0):0:tpacall network send error: Error: select operation failed for ConnectionContext(null), client disconnect.
        at ody.common.tuxedo.OracleConnector.callTux(
        at ody.common.tuxedo.OracleServiceConnector.callTux(
        at ody.common.tuxedo.util.CommonUtil.callTux(


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