第一次:系统中事务执行时间过长,超过60秒,后面导致有的请求会报connection holder is null。 拿出来的connection holder肯定不为null,项目中报connection holder is null,说明是在使用过程中connection holder被置成null了,很大概率是被别的线程置成null了,因为本线程只有在事务提交后还连接的时候才置null,在github is...
然后在之后的操作中使用已经关闭的连接导致出现“connection holder is null”的错误。
从日志上来看，发生错误的时候，明明上下文显示切换到了主库，然后执行update就报数据库只读错误。异常堆栈...
### Error getting a new connection. Cause: java.sql.SQLException: connection holder is null ### Cause: java.sql.SQLException: connection holder is null ; uncategorized SQLException for SQL []; SQL state [null]; error code [0]; connection holder is null; nested exception is java.sql.SQLExc...
If no new request is required when a CR is dropped, then Connection Manager has the ability to immediately disconnect or hold the connection cached for a configurable period of time, which can be useful for avoiding reconnect costs. You may have spotted an interesting challenge that...
ResultSet.HOLD_CURSORS_OVER_COMMITまたは ResultSet.CLOSE_CURSORS_AT_COMMIT 戻り値: プリコンパイルされた SQL 文を含む新しい CallableStatement オブジェクト。指定された型、並行処理、および保持機能で ResultSet オブジェクトを生成する 例外: SQLException - データベースアクセスエラーが発生...
one of the following ResultSet constants: ResultSet.HOLD_CURSORS_OVER_COMMIT or ResultSet.CLOSE_CURSORS_AT_COMMIT Returns IStatement a new Statement object that will generate ResultSet objects with the given type, concurrency, and holdability Attributes RegisterAttribute Exceptions SQLException if ...
[ J@6a472554, ConnectionHoldTimeHistogram=[ J@7ff2a664, RemoveAbandoned=true, ClobOpenCount=0, BlobOpenCount=0, KeepAliveCheckCount=332, KeepAlive=true, FailFast=false, MaxWait=6000, MaxWaitThreadCount=-1, PoolPreparedStatements=false, MaxPoolPreparedStatementPerConnectionSize=10, MinEvictableIdle...
some messages might be lost because the broker does not hold their messages once their connections have been closed. Any messages produced for nondurable subscribers while the connection is down cannot be delivered when the connections is reestablished. For additional information, seeHandling Exceptions...
2223//The fields below track connection state and are guarded by connectionPool.24//下面这个字段是 属于表示链接状态的字段,并且有connectPool统一管理25/**If true, no new streams can be created on this connection. Once true this is always true.*/26//如果noNewStreams被设为true,则noNewStreams...