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增量阶段失败报错，关键词“Failed to read file header from” 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: Failed to read file header from
全量阶段失败报错，关键词“extract table structure 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:extract table structure failed! Table is %s. message
场景描述 全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=function, index=2, schema_name=%s
场景描述 全量同步期间DRS任务报错，同步日志界面提示：service DATAMOVE failed, cause by: retry structures failed events=the fail structures are [type=table_structure, index=0
structure failed in source database” 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 LOGMANAGER failed, cause by: load database structure failed in source
structures failed events”“Table *** doesn't exist” 场景描述 全量迁移期间DRS任务报错，日志提示信息：service DATAMOVE failed, cause by: retry structures failed events=the
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 fail structures are [type=account, index=0, schema_name=mysql
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 fail structures are [type=account, index=0, schema_name=mysql
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: write table %s.%s failed: record tid:%s,seqno:%s with PK applied failed in table %s.%s, The MySQL
灾备阶段失败报错，关键词“A dml without pk write target db fail” 场景描述 MySQL为源灾备任务报错，日志界面提示：A dml without pk write target db fail。 可能原因 无主键表由于缺乏行的唯一性标志，在网络不稳定情况下，无主键表数据写入时与源数据库数据不一致。
全量或增量阶段失败报错，关键词“Communications 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
增量迁移失败报错，关键词“Command failed with error *** (***):***. The full response is {***}” 场景描述 MongoDB->DDS实时迁移场景，增量迁移报错，日志提示信息：service INCREMENT failed, cause by:
background process is unavailable” 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: The background process is unavailable. Maybe it has
全量或增量阶段失败报错，关键词“Extract db create sql failed” 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 LOGMANAGER failed, cause by: Extract db create sql failed, dbName = %s 可能原因
background process is unavailable” 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: The background process is unavailable. Maybe it has
全量阶段失败报错，关键词“Lock wait timeout exceeded; try restarting transaction” 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: apply e
required is *** MB, maintenance_work_mem is *** MB” 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：retry structures failed events=the fail structures are [type=index
前源数据库的表存在特殊constraint类型，该constraint添加时仅对新数据进行约束检查，并不检查存量数据是否满足约束条件，所以源表可能存在部分数据不满足约束，部分数据满足约束的情况，目标数据库不支持这类constraint，要求所有数据均满足constraint的约束检查，故数据
after 60000 ms while waiting to connect” 场景描述 MongoDB->DDS实时迁移场景，全量迁移报错，日志提示信息：service DATAMOVE failed, cause by: [reason]:Failed to connect to database
session” 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: write table %s failed: current serverUUID not equals to this session 可能原因
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