# 问题案例总览 表1问题案例总览 | 类型 | 相关文档 | |:---|:---| | 网络打通 | [数据源和migration资源组网络不通如何排查？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7595.html) [数据源安全组放通哪些端口可满足Migration访问？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7596.html) | | Hudi | [如何配置Hudi Compaction的Spark周期任务？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7597.html) [DLI到Hudi实时同步中，作业开启同步新增字段后，DLI SQL show create table无法查询到新增字段怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7606.html) [写Hudi同步过程中报错，错误信息包含"java.lang.NumberFormatException: For input string"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7607.html) [写Hudi同步过程中报错，错误信息包含"HoodieException: Duplicate fileID"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7608.html) [Hudi到Doris实时同步中，源端DECIMAL类型作为主键自动建Doris表报错，错误信息包含"String Type should not be used in key column\[xxx\]"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7603.html) [Hudi作为目的端时，如果表路径为OBS路径，报错信息包含"Exception when get temporary security key"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7632.html) [Hudi作为目的端时，实时网络连接主机信息未配置报错，错误信息包含关键字"IllegalArgumentException: java.net.UnknownHostException：{MRS主机信息}"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7633.html) [Hudi作为目的端时，如果作业启动失败，并且MRS集群安全组仅开放了TCP协议端口，遇到"javax.security.auth.login.LoginException: Receive timed out"错误，怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7634.html) [Hudi作为目标端时，如果作业启动时出现异常，且错误信息中包含"HoodieIndexException: Unsupported index type BUCKET"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7635.html) [Hudi作为目的端时，作业启动失败且报错信息包含"Table XXX is partitioned by field, which is conflict with input options"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7636.html) [Hudi作为目标端时，如果作业启动失败且错误信息包含"Custom defined extra column is missing in schema which is predefined in config"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7637.html) [在实时集成作业中，如果遇到附加字段UDF类型中表达式里配置的输入字段不存在怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7638.html) [在实时集成作业中，作业启动失败报错信息包含关键字"Parse generate hadoop config response failed"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7639.html) [在实时集成作业中，作业启动失败提示账号的hadoop权限不足，报错信息包含关键字"org.apache.hadoop.security.AccessControlException: Permission denied"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7640.html) [在实时集成作业中，作业运行异常报错信息包含关键字"Ddl type 'ALTER_COLUMN_TYPE' is configured with policy 'EXCEPTION"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7641.html) [在实时集成作业中，作业运行异常报错信息包含关键字"Ddl type 'ALTER_ADD_COLUMN' is configured with policy 'EXCEPTION"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7642.html) [在实时集成作业中，如果作业运行时出现异常，主键为空，报错信息包含关键字"HoodieKeyException: recordKey values: 'id:__null__' for fields: \[xxx\] cannot be entirely null or empty"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7643.html) [在实时集成作业中，如果作业运行时出现异常，预聚合键为空，报错信息包含关键字"The value of col_double can not be null"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7644.html) [在实时集成作业中，并发写入Hudi表导致作业异常，报错信息包含关键字"Receive an unexpected event for instant"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7645.html) [在实时集成作业中，作业启动失败报错信息包含关键字"Found commits after time :20250728163331006, please rollback greater commits first"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7646.html) [Hudi作为目的端时，checkpoint超时导致作业重试，多次重试后异常且报错信息包含"Checkpoint expired before completing"、"Checkpoint Coordinator is suspending"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7605.html) [Hudi作为目的端时，同步过程中报错且报错信息包含"HoodieException: Duplicate fileID"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7647.html) [DDM到Hudi实时同步中，整库场景下运行时报错："Public Key Retrieval is not allowed"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7651.html) | | DWS | [MySQL到DWS增量同步中报错，报错信息包含"tinyint out of range"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7649.html) [GaussDB到DWS实时同步中，开启逻辑删除时写入DWS报错，错误信息包含"null value in column "xxx" violates not-null constraint"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7601.html) [在写DWS同步过程中，目的端包含date字段类型时报错，错误信息包含"Text 'xxx' could not be parsed, unparsed text found at index 10"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7615.html) [MySQL到DWS实时同步中，DWS为什么需要对主键null值进行过滤？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_1618.html) [MySQL到DWS实时同步中，同步新增列的DDL时报错怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_1617.html) [MySQL到DWS增量同步过程中报错，包含关键字"value too long for type character varying"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7629.html) [在MySQL到DWS链路的实时同步过程中，如果启动任务后出现异常，且报错信息中包含"tinyint out of range"，应如何处理？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7630.html) | | Doris | [Hudi到Doris实时同步中，源端DECIMAL类型作为主键自动建Doris表报错，错误信息包含"String Type should not be used in key column\[xxx\]"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7603.html) [MySQL到Doris实时同步中，源端tinyint(1)类型写入报错，报错信息包含"column(xx) value is incorrect while strict mode is true, src value is xxx"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7602.html) | | Kafka | [如何连接已开启SASL认证的DMS Kafka？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7627.html) [将数据增量同步到Kafka时遇到异常，错误信息中包含"The message is xxx bytes when serialized which is larger than"，应如何处理？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7631.html) [Kafka到DLI实时同步中，作业运行失败，报"Array element access needs an index starting at 1 but was 0"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_1619.html) | | Oracle | [Oracle源端作业如何查看已消费位点?](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7624.html) [Oracle作为源端时，增量读取过程中报socket超时，信息包含"java.sql.SQLRecoverableException: IO Error: Socket read timed out"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7621.html) [Oracle作为源端时，增量启动过程中报不支持CONTINOUS_MINE，关键字"oracle.jdbc.OracleDatabaseException: ORA-44609: CONTINOUS_MINE is desupported for use with DBMS_LOGMNR.START_LOGMNR"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7620.html) [在Oracle增量读取过程中，数据库日志失效，报错信息包含"ORA-01292: no log file has been specified for the current LogMiner session"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7619.html) [Oracle作为源端时在全量同步的过程中，报数据库历史记录内容完全或者部分缺失， 报错信息包含"The db history topic or its content is fully or partially missing. Please check database history topic configuration and re-execute the snapshot."怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7618.html) [Oracle增量读取启动时提示补充日志未开启, 报错信息包含"supplement logging not properly configured"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7617.html) [在Oracle启动增量过程中，报无法读取V$DATABASE视图，错误信息为"cannot read the redo log position via 'SELECT CURRENT_SCN FROM V$DATABASE', make sure your server is correctly configured"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7616.html) [Oracle数据源如何开通归档日志、查询权限和日志解析权限？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_1635.html) [Oracle 在读取全量或增量数据时遇到日志解析失败，错误信息包含"DmlParserException: DML statement couldn't be parsed"，应如何处理？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7604.html) | | PostgreSQL | [PostgreSQL数据源如何手动删除复制槽？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7586.html) [如何增加PostgreSQL、GaussDB数据源额外权限？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7600.html) [PostgreSQL/GaussDB作为源端时，实时作业启动失败且报错信息包含"all replication slots are in use"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7610.html) [PostgreSQL/GaussDB作为源端时，作业启动失败且报错信息包含"permission denied for function pg_ls_waldir"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7611.html) [PostgreSQL/GaussDB作为源端时，作业启动失败且报错信息包含"replication slot "xxx" is already active"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7612.html) [PostgreSQL/Gaussdb源端作业如何查看已消费位点？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7626.html) | | SQLServer | [SQLServer源端作业如何查看已消费位点？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7625.html) | | GaussDB | [PostgreSQL/GaussDB作为源端时，实时作业启动失败且报错信息包含"all replication slots are in use"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7610.html) [PostgreSQL/GaussDB作为源端时，作业启动失败且报错信息包含"permission denied for function pg_ls_waldir"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7611.html) [PostgreSQL/GaussDB作为源端时，作业启动失败且报错信息包含"replication slot "xxx" is already active"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7612.html) [GaussDB作为源端时，增量同步过程中报错且信息包含"no gs_hba.conf entry for replication connection from host "xxxx", user "xxx", SSL off"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7614.html) [GaussDB作为源端时，增量同步过程中报错且信息包含"number of requested standby connections exceeds max_wal_senders"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7613.html) [GaussDB到DWS实时同步中，开启逻辑删除时写入DWS报错，错误信息包含"null value in column "xxx" violates not-null constraint"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7601.html) | | MySQL | [MySQL源端作业如何查看已消费位点？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7623.html) [MySQL增量同步过程中报错，错误信息包含"The connector is trying to read binlog starting at Struct xxx but this is no longer available on the server"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7609.html) [MySQL到Doris实时同步中，源端tinyint(1)类型写入报错，报错信息包含"column(xx) value is incorrect while strict mode is true, src value is xxx"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7602.html) [MySQL到DWS增量同步中报错，报错信息包含"tinyint out of range"怎么办？](https://support.huaweicloud.com/dataartsstudio_faq/dataartsstudio_03_7649.html) |