After the upgrade, using the resource center results in an error: IllegalArgumentException: Failed to specify server's Kerberos principal name. Solution: Edit dolphinscheduler/api-server/conf/hdfs-site.xml and add the following content: <property><name>dfs.namenode.kerberos.principal.pattern</name><value>*</value></property>
Task Instance Log Loss: Viewing task instance logs post-upgrade results in logs not found error due to changed log path. Solution involves SQL modification and copying log files to the new path.
Error Creating Workflow: Inconsistent primary key values in t_ds_process_definition_log and t_ds_process_definition post-upgrade cause errors. Issue resolution includes synchronizing these values through SQL queries.
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