如何解决MongoDb 游标已关闭 db 宕机后不恢复
在我们的应用程序中有数百万个关闭游标的异常。 光标已关闭;嵌套异常是 com.mongodb.MongoException: Cursor has been closed
它发生在数据库服务器暂时停机并且此游标永远无法恢复然后向前时。
Mongo java 驱动版本为 3.8.2
Spring mongo 版本是 2.0.6.RELEASE。
我们已经注册
MessageListener
以下是我们拥有的 mongo 客户端属性:
不确定上述问题的原因是什么。同时不确定是否有一些属性需要调整以防止这种情况发生。
下面是堆栈跟踪:
MongoException.java in fromThrowableNonNull at line 79 ChangeStreamBatchCursor.java in resumeableOperation at line 136 ChangeStreamBatchCursor.java in tryNext at line 76 MongoBatchCursorAdapter.java in tryNext at line 74 CursorReadingTask.java in getNext at line 232 CursorReadingTask.java in run at line 79 Thread.java in run at line 748
QueryBatchCursor.java in tryNext at line 174 ChangeStreamBatchCursor.java in apply at line 79 ChangeStreamBatchCursor.java in apply at line 76 ChangeStreamBatchCursor.java in resumeableOperation at line 133 ChangeStreamBatchCursor.java in tryNext at line 76 MongoBatchCursorAdapter.java in tryNext at line 74 CursorReadingTask.java in getNext at line 232 CursorReadingTask.java in run at line 79 Thread.java in run at line 748
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