当你遇到“can not read response from server. expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost”这样的错误时,这通常指示在客户端尝试从服务器读取数据时,连接意外中断了,而没有成功读取到预期的数据量。这个问题可能由多种原因引起,以下是一些可能的原因和相应的解决步骤: 1....
全量或增量阶段,DRS迁移或同步任务报错,日志提示信息:service LOGMANAGER failed, cause by: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. 可能原因 DRS迁移实例和源数据库之间的网络带宽太小或不稳定。
at com.lolaage.cmm.thread.YjInfoHandleThread$WorkThread.run(YjInfoHandleThread.java:72) Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3011)...
数据库连接超时Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. 错误分析: 数据库连接已经关闭或者失效后仍然在执行操作,导致:mysql服务没返回数据 1.客户端连接池中连接,已经失效;但是:连接池还没有检测到...
MySQL Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection... 2021-03-1305:12:45c.a.druid.pool.DruidPooledStatement#CommunicationsException,druid version1.1.10,jdbcUrl:jdbc:mysql://127.0.0.1:3306/elephant?autoReconnect=true&failOverReadOnly=false&character...
Caused by: java.io.EOFException: Can not read response from server. Expected to read 5 bytes, read 3 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3017) at com.mysql.jdbc.MysqlIO.nextRowFast(MysqlIO.java:2125) ...
Caused by: java.io.EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:2502) at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:2952) ...
Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost. shahbaz khan December 25, 2009 04:37AM Sorry, you can't reply to this topic. It has been closed. Content reproduced on this site is the property of the respective copyright...
java.io.EOFException: Can not read response from server. Expected to read 4 bytes, 新上线的区域病例系统,在阿里云环境间断性的出错 查看后台微服务日志,发现访问数据库偶尔会出现异常: 测试环境和开发环境都没这个错误 经过查询,应该是连接池的连接一段时间没有活动筋骨,mysql服务端会单方面断开这个连接。客户...
Re: EOFException: Can not read response from server. Expected to read 4 bytes, read 0 bytes before connection was unexpectedly lost Zoltán Tóth October 18, 2009 05:37AM Sorry, you can't reply to this topic. It has been closed.