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全量阶段失败报错，关键词“Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received
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
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
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
retry structures failed events=the fail structures are [type=function, index=2, schema_name=%s, object_name=%s]reason:[Access denied; you need
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 '***'
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)
correct and that the postmaster is accepting TCP/IP connections” 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: source engine postgresql
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=***
process is unavailable. Maybe it has been killed manually or by the operating system. Please restart the task if possible or wait for restarting
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
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
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“ 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“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
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:
y file write failure.” 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 fail structures are
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
增量同步失败报错，关键词“Failed to construct kafka producer. ” 场景描述 Oracle->Kafka同步任务增量阶段报错，同步日志界面提示：service INCREMENT failed, cause by: Failed to construct
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