ORA-07264: spwat: semop error, unable to decrement semaphore.
Cause: Semop system call returned an error. Semaphore set may not exist.
Action: Check errno. Semaphore ID is returned in sercose[0]. Verify semaphore set exists. A possible cause for this error is that a “shutdown abort” was done while this process was running.
ORA-07264: spwat: semop error, unable to decrement semaphore.
这是由Oracle数据库产生的操作系统错误,用于提醒操作系统出现内部错误,通常由于下列原因造成:
-操作系统错误,例如系统宕机;
-资源或系统限制,如实例限制,存储空间等;
-服务器时间变动;
-硬件错误,如磁盘崩溃,缓存等;
-系统维护……
1.检查与semaphore相关的资源及权限,如是否进行服务器维护;
2.检查系统实例、资源限制,确定系统没有性能瓶颈;
3.检查硬件状态,看是否有磁盘空间或者缓存出现故障;
4.再次检查时间是否同步。