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s link failure” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service %s failed, cause by: Communications link failure The last packet sent successfully to
vice DATAMOVE failed, cause by: Unable to connect to DBMS: url=jdbc:mysql://*** user=root, Caused by: Communications link failure The last packet
全量阶段失败报错，关键词“Access denied for user *** to database ***” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the
postgresql client initialize failed, detail: Unable to connect to DBMS: url=%s/position3.0?client_encoding=UTF-8&ssl=false&sslmode=prefer user=%s
全量阶段失败报错，关键词“Failed to add the foreign key constraint '***' to system tables” 场景描述 全量迁移或同步期间，日志界面提示信息：Failed to add the foreign key constraint '***'
retry structures failed events=the fail structures are [type=function, index=2, schema_name=%s, object_name=%s]reason:[Access denied; you need
this operation” 场景描述 增量迁移期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: Access denied; you need (at least one of) the SUPER privilege(s)
全量或增量阶段失败报错，关键词“Access denied for user ***” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service %s failed, cause by: Unable to connect to DBMS: url=***?use
增量同步失败报错，关键词“remaining connection slots are reserved” 场景描述 增量同步期间DRS任务报错，同步日志界面提示：service INCREMENT failed, cause by: Unable to connect to DBMS: url=%s
全量阶段失败报错，关键词“failed to create new session” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: com.continuent.tungsten.replicator
全量或增量阶段失败报错，关键词“core process is not healthy or crashed” 场景描述 全量或增量阶段，DRS迁移或同步任务报错，日志提示信息：service CAPTURER failed, cause by: core process is not
增量同步失败报错，关键词“write table *** failed: null” 场景描述 增量同步期间DRS任务报错，同步日志界面提示：service INCREMENT failed cause by: write table *** failed: null 可能原因 在增量同步过程中
增量阶段失败报错，关键词“Lock wait timeout exceeded” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: Lock wait timeout exceeded; try restarting
process is unavailable. Maybe it has been killed manually or by the operating system. Please restart the task if possible or wait for restarting
全量阶段失败报错，关键词“load table: *** failed” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: load table: `%s`.`%s` failed。 可能原因 源库表结构加载时异常，可
PK execute failed” 场景描述 增量迁移或同步期间DRS任务报错，日志提示信息：service INCREMENT failed, cause by: record tid:%s,seqno:%s without PK execute failed in table
全量阶段失败报错，关键词“read table=*** failed” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: read table=`%s`.`%s` failed。 可能原因 源库性能不足或网络不稳定导致从源库读取表数据失败。
全量阶段失败报错，关键词“ shard table=*** failed” 场景描述 全量迁移或同步期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: shard table=`%s`.`%s` failed 可能原因 源库性能不足或网络不稳定导致源库数据分片超时。
全量或增量阶段失败报错，关键词“service *** failed, cause by: Unable to connect to DBMS: ***” 场景描述 全量或增量同步期间DRS任务报错，同步日志界面提示：service *** failed, cause by: Unable to
service DATAMOVE failed, cause by: target engine postgresql client initialize failed, detail: Unable to connect to DBMS: url=%s/position3.0
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