Source Extractor - SQL PLSQL - Error - No more data to read from socket

Following error encountered while extracting schema.

Extraction error: No more data to read from socket
Extraction error: OALL8 is in an inconsistent state
Extraction error: Io exception: Software caused connection abort: socket write error
Initialization error: Closed Connection
Extracting: Oracle public synonyms on views...
Error executing: Extraction -driver oracle.jdbc.OracleDriver -url jdbc:oracle:thin:@XXXX:1521:XXXX -user XXXX -password ************ -parameters schema=XXX -target C:\Users\exportResults => java.lang.NullPointerException
Execution failed!

This issue may be related to a registered bug in Oracle server. For details, see:

The solution is:

1. Either to upgrade the server to 11.1.0.7
2. or to apply the patch