Overview

**Table 1** Questions
Type	Reference
Network connectivity	How Do I Troubleshoot a Network Disconnection Between the Data Source and Resource Group?
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?
GaussDB(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?
GaussDB(DWS)	Why Does DWS Filter the Null Value of the Primary Key During Real-Time Synchronization from MySQL to DWS?
Kafka	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	How Do I Grant the Log Archiving, Query, and Parsing Permissions of an Oracle Data Source?
PostgreSQL	How Do I Manually Delete Replication Slots from a PostgreSQL Data Source?