Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment of connection, message from server: "Too many connections"
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
打开配置文件 添加一下配置 vi /etc/my.cnf
wait_timeout = 600interactive_timeout = 600
解决MySQL连接数过多问题
本文详细介绍了如何解决MySQL数据库中出现的“Too many connections”错误。通过调整配置文件my.cnf中的wait_timeout, interactive_timeout及max_connections参数,可以有效避免因连接数过多导致的服务拒绝。重启mysqld服务后,问题将得到解决。
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