Help Center/ DataArts Studio/ FAQs/ DataArts Migration (Real-Time Jobs)/ Overview

Updated on 2026-03-20 GMT+08:00

Overview

**Table 1** Questions
Type	Reference
Network connectivity	Which Ports Must Be Allowed by the Data Source Security Group So That DataArts Migration Can Access the Data Source?
Hudi	How Do I Configure a Spark Periodic Task for Hudi Compaction? What Should I Do If New Fields Cannot Be Found Using the DLI SQL Statement show create table When Synchronization of New Fields Is Enabled for a DLI-to-Hudi Real-Time Migration Job? What Should I Do If Error "java.lang.NumberFormatException: For input string" Occurs During Data Synchronization to Hudi? What Should I Do If Error "HoodieException: Duplicate fileID" Occurs During Data Synchronization to Hudi? What Should I Do If a Doris Table Fails to Be Automatically Created When a Source Decimal Field Is Used as the Primary Key and Error "String Type should not be used in key column[xxx]" Is Reported for a Real-Time Job for Migrating Data from Hudi to Doris?
DWS	What Should I Do If an Error Message Containing "tinyint out of range" Is Displayed During Incremental Synchronization from MySQL to DWS? What Should I Do If Error "null value in column "xxx" violates not-null constraint" Is Reported for a Job Migrating Data from GaussDB to DWS When Logical Deletion Is Enabled for the Job? What Should I Do If an Error Is Reported When the Destination Contains Date Fields During Data Migration to DWS and the Error Message Contains "Text 'xxx' could not be parsed, unparsed text found at index 10"? Why Does DWS Filter the Null Value of the Primary Key During Real-Time Synchronization from MySQL to DWS? What Should I Do If an Error Is Reported During DDL Synchronization of New Columns in a Real-Time MySQL-to-DWS Synchronization Job?
Doris	What Should I Do If a Doris Table Fails to Be Automatically Created When a Source Decimal Field Is Used as the Primary Key and Error "String Type should not be used in key column[xxx]" Is Reported for a Real-Time Job for Migrating Data from Hudi to Doris? What Should I Do If Source tinyint(1) Data Fails to Be Written and Error "column(xx) value is incorrect while strict mode is true, src value is xxx" Is Reported for a Job Migrating Data from MySQL to Doris?
Kafka	How Do I Connect to DMS for Kafka That Uses SASL Authentication? What Should I Do If a Job for Synchronizing Data from Kafka to DLI in Real Time Fails and "Array element access needs an index starting at 1 but was 0" Is Displayed?
Oracle	What Should I Do If Error Message "java.sql.SQLRecoverableException: IO Error: Socket read timed out" Is Displayed During Incremental Data Reading from Oracle? What Should I Do If Incremental Synchronization from Oracle Fails to Start and Error Message "oracle.jdbc.OracleDatabaseException: ORA-44609: CONTINOUS_MINE is desupported for use with DBMS_LOGMNR.START_LOGMNR" Is Displayed? What Should I Do If the Database Log Becomes Invalid During Incremental Reading from Oracle and Error Message "ORA-01292: no log file has been specified for the current LogMiner session" Is Displayed? What Should I Do If Some or All Historical Database Records Are Missing During Full Synchronization from Oracle and Error Message "The db history topic or its content is fully or partially missing. Please check database history topic configuration and re-execute the snapshot." Is Displayed? What Should I Do If Error Message "Supplement logging not properly configured" Is Displayed During Incremental Synchronization from Oracle? What Should I Do If Error Message "cannot read the redo log position via 'SELECT CURRENT_SCN FROM V$DATABASE', make sure your server is correctly configured" Is Displayed During Incremental Synchronization from Oracle? How Do I Grant the Log Archiving, Query, and Parsing Permissions of an Oracle Data Source? What Should I Do If Oracle Failed to Parse Logs When Reading Full or Incremental Data and Error Message "DmlParserException: DML statement couldn't be parsed" Is Displayed?
PostgreSQL	How Do I Manually Delete Replication Slots from a PostgreSQL Data Source? How Do I Add Additional Permissions for PostgreSQL and GaussDB Data Sources? What Should I Do If a Real-Time Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "all replication slots are in use" Is Reported? What Should I Do If a Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "permission denied for function pg_ls_waldir" Is Reported? What Should I Do If a Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "replication slot "xxx" is already active" Is Reported?
GaussDB	What Should I Do If a Real-Time Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "all replication slots are in use" Is Reported? What Should I Do If a Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "permission denied for function pg_ls_waldir" Is Reported? What Should I Do If a Job with PostgreSQL/GaussDB as the Source Fails to Be Started and Error "replication slot "xxx" is already active" Is Reported? What Should I Do If Error "no gs_hba.conf entry for replication connection from host "xxxx", user "xxx", SSL off" Is Reported During Incremental Synchronization from GaussDB? What Should I Do If Error "number of requested standby connections exceeds max_wal_senders" Is Reported During Incremental Synchronization from GaussDB? What Should I Do If Error "null value in column "xxx" violates not-null constraint" Is Reported for a Job Migrating Data from GaussDB to DWS When Logical Deletion Is Enabled for the Job?
MySQL	What Should I Do If Error "The connector is trying to read binlog starting at Struct xxx but this is no longer available on the server" Is Reported During Incremental Synchronization of MySQL Data? What Should I Do If Source tinyint(1) Data Fails to Be Written and Error "column(xx) value is incorrect while strict mode is true, src value is xxx" Is Reported for a Job Migrating Data from MySQL to Doris? What Should I Do If an Error Message Containing "tinyint out of range" Is Displayed During Incremental Synchronization from MySQL to DWS?

Parent topic: DataArts Migration (Real-Time Jobs)