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Connector error: HTTP/40X Status when connecting to WebHDFS

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This error generally happens when the connector cannot access a Kerberized HDFS cluster. This may happen when:

  • You haven't configured a Delegation token to access the WebHDFS API
  • Your Delegation token is no longer available, in which case you should regenerate it and re-configure it.


If this happens after a few incremental crawls the incremental data will not be affected, so after this problem is resolved the incremental crawls can be resumed.