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Don Burleson Blog 







No more data to read from socket tips

Oracle Database Tips by Donald BurlesonMay 30, 2016

Question: What do I do when I get this message "No more data to read from socket"?

SQLException: No more data to read from socket
SQLRecoverableException: No more data to read from socket

The alert log shows this error:

ORA-28547: connection to server failed, probable Oracle Net admin error

Answer:  This error indicates an abort of a process, and the first step in resolving this error is to look in the alert log and look for a trace file.  The "no more data to read from socket" is not a JDBC or an Oracle error. Rather, it is a generic communications error, often as the result of a TNS connectivity issue.

Also follow these steps to troubleshoot network connectivity.

The "no more data to read from socket" error is most often because of an Oracle bug (in 11g) and we recommend moving to the latest release of Oracle.


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