如下问题：java.sql.SQLException: 类型长度大于最大值

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:124)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:161)

at oracle.jdbc.driver.DatabaseError.check_error(DatabaseError.java:884)

at oracle.jdbc.driver.T4CMAREngine.buffer2Value(T4CMAREngine.java:2230)

at oracle.jdbc.driver.T4CMAREngine.unmarshalUB4(T4CMAREngine.java:1146)

at oracle.jdbc.driver.T4CMAREngine.unmarshalDALC(T4CMAREngine.java:2097)

at oracle.jdbc.driver.T4C8TTIuds.unmarshal(T4C8TTIuds.java:127)

at oracle.jdbc.driver.T4CTTIdcb.receiveCommon(T4CTTIdcb.java:125)

at oracle.jdbc.driver.T4CTTIdcb.receiveFromRefCursor(T4CTTIdcb.java:103)

at oracle.jdbc.driver.T4CResultSetAccessor.unmarshalOneRow(T4CResultSetAccessor.java:165)

at oracle.jdbc.driver.T4CTTIrxd.unmarshal(T4CTTIrxd.java:787)

at oracle.jdbc.driver.T4CTTIrxd.unmarshal(T4CTTIrxd.java:704)

at oracle.jdbc.driver.T4C8Oall.receive(T4C8Oall.java:526)

at oracle.jdbc.driver.T4CCallableStatement.doOall8(T4CCallableStatement.java:179)

at oracle.jdbc.driver.T4CCallableStatement.execute_for_rows(T4CCallableStatement.java:782)

at oracle.jdbc.driver.OracleStatement.doExecuteWithTimeout(OracleStatement.java:1027)

at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:2887)

at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:2978)

at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:4102)

at getConnection.TestProcedure.main(TestProcedure.java:37)

java.sql.SQLException: 违反协议

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:124)

at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:161)

at oracle.jdbc.driver.DatabaseError.check_error(DatabaseError.java:884)

at oracle.jdbc.driver.T4C7Ocommoncall.receive(T4C7Ocommoncall.java:132)

at oracle.jdbc.driver.T4CConnection.logoff(T4CConnection.java:384)

at oracle.jdbc.driver.PhysicalConnection.close(PhysicalConnection.java:1035)

at getConnection.TestProcedure.closeConn(TestProcedure.java:70)

at getConnection.TestProcedure.main(TestProcedure.java:47)