To debug authentication issues,
follow these steps:
-
Edit the
log4j properties file located
at /opt/mapr/httpfs/httpfs-1.0/etc/hadoop/httpfs-log4j.properties and
insert the following lines to activate debug capabilities:
log4j.logger.org.apache.hadoop.fs.http.server=DEBUG, httpfs
log4j.logger.org.apache.hadoop.lib=DEBUG, httpfs
log4j.logger.org.apache.hadoop.security.authentication.server=DEBUG, httpfs
-
Search the logs located at
/opt/mapr/httpfs/httpfs-1.0/logs for
the words ERROR or Exception.