Hi Bing, Two questions:
- Can you look at the master log and see what's preventing the master from starting? - Did you change dfs.data.dir and dfs.name.dir in hdfs-site.xml? By default it writes to /tmp which can get cleaned up. J-D On Tue, Mar 27, 2012 at 12:52 PM, Bing Li <lbl...@gmail.com> wrote: > Dear all, > > I got a weird problem when programming on the pseudo-distributed mode of > HBase/Hadoop. > > The HBase/Hadoop were installed correctly. It also ran well with my Java > code. > > However, if after shutting down the server for some time, for example, four > or five days, I noticed that HBase/Hadoop got a problem. I got an ERROR > when typing "status" in the shell of HBase. > > ERROR: org.apache.hadoop.hbase.MasterNotRunningException: Retried 7 > times > > Such a problem had happened for three times in the three weeks. > > The HBase/Hadoop are installed on Ubuntu 10. > > Have you encountered such a problem? How to solve it? > > Thanks so much! > > Best regards, > Bing
