华为对象存储：nginx代理临时访问地址后访问报错：Authentication Failed

Java：ShardingSphere使用information_schema查询时报错：Table '数据库名称.tables' doesn't exist

达梦数据库：无法解析的成员访问表达式[GROUP_CONCAT]

执行shutdown.sh关闭tomcat服务报错：ERROR: transport error 202: bind failed: 地址已在使用ERROR: JDWP Transport dt_socket failed to initialize, TRANSPORT_INIT(510)JDWP exit error AGENT_ERROR_TRANSPORT_INIT(197): No tr

nginx代理websocket无法链接到服务，服务端报错：Handshake failed due to invalid Upgrade header: null

Java重定向报错：java.lang.IllegalArgumentException: The Unicode character [测] at code point [27,979] cannot be encoded as it is outside the permitted range of 0 to 255

达梦数据库：链接数据库报错：无效的模式名[xxx]

IDEA打不开或打开报错：Error occurred during initialization of VM agent library failed Agent_OnLoad: instrument

达梦数据库：select报错：不是 GROUP BY 表达式

解决报错：org.apache.catalina.connector.ClientAbortException: java.io.IOException: Broken pipe