Troubleshooting the most frequent HBase errors and their explanations
The following are the places that index information about Hadoop/HBase and other project exceptions, and where we can search for information about Hadoop/HBase errors:
- http://search-hadoop.com
- #hbase on irc.freenode.net
- A mailing list of HBase at http://hbase.apache.org/mail-lists.html
Now, let's see the frequent errors and solutions for these:
For troubleshooting, a log is an excellent place to look into. Now, let's see the default log locations of various daemon processes:
- NameNode:
<hadoop home path>/logs/hadoop-<user>-namenode-<hostname>.log - DataNode:
<hadoop home path>/logs/hadoop-<user>-datanode-<hostname>.log - JobTracker:
<hadoop home path>/logs/hadoop-<user>-jobtracker-<hostname>.log ...
Get Learning HBase now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
