Hello,
Try these technotes:

- *WebSphere Portal SystemOut.log J2CA0056I com.ibm.websphere.ce.cm.StaleConnectionException Connection reset* at http://www.ibm.com/support/docview.w...id=swg21372849

- *StaleConnectionException errors in logs while trying to perform WebSphere Portal tasks with Oracle as the database* at http://www.ibm.com/support/docview.w...id=swg21256674

- *Required actions when configuring XA Oracle JDBC providers for WebSphere Portal* at http://www.ibm.com/support/docview.w...id=swg21319393

Thank you,
David Yang
WebSphere Portal support

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