Why Oracle "Protocol Violation" errors seen periodically in logs ?
Issue
- Oracle
Protocol Violationerrors seen periodically in logs`.
java.sql.SQLException: Protocol violation
oracle.jdbc.driver.T4CTTIfun.receive(T4CTTIfun.java:450)
oracle.jdbc.driver.T4CTTIfun.doRPC(T4CTTIfun.java:186)
oracle.jdbc.driver.T4C8Oall.doOALL(T4C8Oall.java:521)
oracle.jdbc.driver.T4CPreparedStatement.doOall8(T4CPreparedStatement.java:205)
oracle.jdbc.driver.T4CPreparedStatement.fetch(T4CPreparedStatement.java:1082)
oracle.jdbc.driver.OracleResultSetImpl.close_or_fetch_from_next(OracleResultSetImpl.java:369)
oracle.jdbc.driver.OracleResultSetImpl.next(OracleResultSetImpl.java:273)
Environment
- Red Hat JBoss Enterprise Application Platform (EAP) 5
- Red Hat JBoss Fuse
- 6.x
- Java Development Kits showing behavior (this may not be directly related).
- JDK 1.6.0_20
- JDK 1.6.0_21
- Not JDK 1.6.0_17
- Oracle JDBC Driver versions
- 10.2
- 11.2
- No intervening hardware or software firewalls
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