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The "Hbase/Troubleshooting" page has been changed by ToddLipcon. http://wiki.apache.org/hadoop/Hbase/Troubleshooting?action=diff&rev1=40&rev2=41 -------------------------------------------------- 1. [[#15|Problem: General operating environment issues -- zookeeper session timeouts, regionservers shutting down, etc.]] 1. [[#16|Problem: Scanner performance is low]] 1. [[#17|Problem: My shell or client application throws lots of scary exceptions during normal operation]] + 1. [[#18]Problem: The HBase or Hadoop daemons crash after some days of uptime with no errors logged]] <<Anchor(1)>> @@ -284, +285 @@ On your clients, edit $HBASE_HOME/conf/log4j.properties and change this: {{{log4j.logger.org.apache.hadoop.hbase=DEBUG}}} to this: {{{log4j.logger.org.apache.hadoop.hbase=INFO}}}, or even {{{log4j.logger.org.apache.hadoop.hbase=WARN}}} . + <<Anchor(18)>> + == 18. Problem: The HBase or Hadoop daemons crash after some days of uptime with no errors logged == + === Causes === + HBase and Hadoop have stability issues on certain versions of the JVM that can cause this issue. In particular, Sun Java 1.6.0_18 is known to be buggy. The current recommended version for production usage is 1.6.0_16. + === Resolution === + Downgrade your JVM to 1.6.0_16. +
