CDC(Change Data Capture) is made up of two components, the CDD and the CDT. CDD is stand for Change Data Detection and CDT is stand for Change Data Transfer.
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2022-11-30 08:24:05,184 INFO server.JournalNode: registered UNIX signal handlers for [TERM, HUP, INT]
2022-11-30 08:24:05,441 ERROR server.JournalNode: Failed to start journalnode.
java.lang.IllegalArgumentException: Journal dir 'file:/data/hadoop/dfs/journal' should be an absolute path
at org.apache.hadoop.hdfs.qjournal.server.JournalNode.validateAndCreateJournalDir(JournalNode.java:196)
at org.apache.hadoop.hdfs.qjournal.server.JournalNode.start(JournalNode.java:222)
at org.apache.hadoop.hdfs.qjournal.server.JournalNode.run(JournalNode.java:209)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:81)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:95)
at org.apache.hadoop.hdfs.qjournal.server.JournalNode.main(JournalNode.java:437)
2022-11-30 08:24:05,446 INFO util.ExitUtil: Exiting with status -1: java.lang.IllegalArgumentException: Journal dir 'file:/data/hadoop/dfs/journal' should be an absolute path
2022-11-30 08:24:05,461 INFO server.JournalNode: SHUTDOWN_MSG:
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SHUTDOWN_MSG: Shutting down JournalNode at vm120/192.168.56.120
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