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From "Chris Richard" <chris.rich...@gmail.com>
Subject Re: HBase Startup Errors
Date Thu, 21 Feb 2008 13:24:26 GMT
Not quite sure how to 'enable DEBUG'.

On Wed, Feb 20, 2008 at 10:34 PM, stack <stack@duboce.net> wrote:

> Enable DEBUG and then check out the master and regionserver logs.  If
> you can't figure it, paste what you think relevant sections into mail
> and we'll have a look.
> Thanks Chris,
> St.Ack
>
> Chris Richard wrote:
> > Follow up to this. I removed the http:// from the hbase.master setting
> and
> > hbase seems to start successfully. Unfortunately I get the following
> error
> > on the web UI and upon running any query in the shell:
> >
> > org.apache.hadoop.hbase.NoServerForRegionException: Timed out trying to
> > locate root region
> >
> > On Thu, Feb 21, 2008 at 12:40 AM, Chris Richard <chris.richard@gmail.com
> >
> > wrote:
> >
> >
> >> Hi All,
> >>
> >> I've got hdfs (single node) running successfully, as far as I can tell.
> >> Unfortunately hbase is exceptioning on startup - probably a config
> issue but
> >> I can't figure out what.
> >>
> >> I'm using the latest hadoop from the trunk, likewise for hbase, and I'm
> >> running on Win2k3 with Cygwin. Following are my hadoop-site.xml and
> >> hbase-site.xml:
> >>
> >> hadoop
> >> <configuration>
> >> <property>
> >>   <name>hadoop.tmp.dir</name>
> >>   <value>/cygdrive/d/datarepublik/tmp/hadoop-${user.name}</value>
> >> </property>
> >> <property>
> >>   <name>fs.default.name</name>
> >>   <value>localhost:9001</value>
> >> </property>
> >> <property>
> >>   <name>mapred.job.tracker</name>
> >>   <value>localhost:9002</value>
> >> </property>
> >> <property>
> >>   <name>dfs.replication</name>
> >>   <value>1</value>
> >> </property>
> >> <property>
> >>   <name>mapred.child.java.opts</name>
> >>   <value>-Xmx512m</value>
> >> </property>
> >> </configuration>
> >>
> >> hbase
> >>  <configuration>
> >>    <property>
> >>      <name>hbase.master</name>
> >>      <value>http://localhost:60000</value>
> >>      <description>The host and port that the HBase master runs
> >> at</description>
> >>    </property>
> >>    <property>
> >>      <name>hbase.rootdir</name>
> >>      <value>hdfs://localhost:9001/hbase</value>
> >>      <description>The directory shared by region servers</description>
> >>    </property>
> >>  </configuration>
> >>
> >> The exception I get is:
> >>
> >> ...
> >> 2008-02-21 00:33:09,906 WARN org.apache.hadoop.util.NativeCodeLoader:
> >> Unable to load native-hadoop library for your platform... using
> builtin-java
> >> classes where applicable
> >> 2008-02-21 00:33:10,000 INFO org.apache.hadoop.hbase.HRegion: closed
> >> -ROOT-,,0
> >> 2008-02-21 00:33:10,453 INFO org.apache.hadoop.hbase.HRegion: closed
> >> .META.,,1
> >> 2008-02-21 00:33:10,500 ERROR org.apache.hadoop.hbase.master.HMaster:
> Can
> >> not start master
> >> java.lang.reflect.InvocationTargetException
> >>     at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native
> >> Method)
> >>     at sun.reflect.NativeConstructorAccessorImpl.newInstance(
> >> NativeConstructorAccessorImpl.java:39)
> >>     at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(
> >> DelegatingConstructorAccessorImpl.java:27)
> >>     at java.lang.reflect.Constructor.newInstance(Constructor.java:494)
> >>     at org.apache.hadoop.hbase.master.HMaster.doMain(HMaster.java:1540)
> >>     at org.apache.hadoop.hbase.master.HMaster.main(HMaster.java:1574)
> >> Caused by: java.lang.NullPointerException
> >>     at org.apache.hadoop.hbase.HServerAddress.getBindAddress(
> >> HServerAddress.java:94)
> >>     at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:319)
> >>     at org.apache.hadoop.hbase.master.HMaster.<init>(HMaster.java:242)
> >>     ... 6 more
> >>
> >> I'm a bit of a Java n00b so I couldn't figure out how to attach to the
> >> process in time to debug the error. Any help would be greatly
> appreciated.
> >> Thanks.
> >>
> >> Chris Richard
> >>
> >>
> >
> >
>
>

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