ORA-600(kollasg:client-side tmp lob)错误

客户11.2.0.3 RAC环境,出现ORA-600[kollasg:client-side tmp lob]错误。
错误信息为:

Thu Apr 28 20:54:53 2011
Errors IN file /u01/app/oracle/diag/rdbms/orcl/orcl1/trace/orcl1_ora_31916032.trc  (incident=148665):
ORA-00600: 内部错误代码, 参数: [kollasg:client-side tmp lob], [], [], [], [], [], [], [], [], [], [], []
Incident details IN: /u01/app/oracle/diag/rdbms/orcl/orcl1/incident/incdir_148665/orcl1_ora_31916032_i148665.trc
Thu Apr 28 20:54:59 2011
Trace dumping IS performing id=[cdmp_20110428205459]
Thu Apr 28 20:54:59 2011
Sweep [inc][148665]: completed
Sweep [inc2][148665]: completed

从错误信息上很容易判断,问题应该和客户端处理临时LOB有关。根据MOS文档ORA-00600 [kollasg:client-side tmp lob] Fetching Row With LOB Column in OCI Application [ID 1418135.1],在11.1以上版本中,如果读取一个没有被初始化过的LOB列,会引发这个600错误。
Oracle给出的解决方案是对于空的CLOB,使用EMPTY_CLOB函数对齐进行初始化。

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