Grokbase Groups HBase user June 2009
FAQ
Out of the 10 HBase nodes on my dev cluster, one is extremely unhappy.
It crashes every few hours, with messages like this:

2009-06-03 12:35:21,530 FATAL
org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
exception. Aborting...
org.apache.hadoop.security.AccessControlException:
org.apache.hadoop.security.AccessControlException: Permission denied:
user=DrWho, access=WRITE,
inode="@LOGS@":visibleuser:supergroup:rwxr-xr-x

All I can really say is: "Wha?"

Cheers,

Bradford

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  • Stack at Jun 4, 2009 at 6:40 pm
    The Daleks must be running that host. Run!

    Your hbase user doesn't have permissions to read/write all over hadoop?
    Paste more context from around the log so I can see what hbase was trying to
    do.

    That it only happens on one host might also indicate that this host doesn't
    have same config. as other nodes in your cluster?

    St.Ack
    On Thu, Jun 4, 2009 at 11:25 AM, Bradford Stephens wrote:

    Out of the 10 HBase nodes on my dev cluster, one is extremely unhappy.
    It crashes every few hours, with messages like this:

    2009-06-03 12:35:21,530 FATAL
    org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
    exception. Aborting...
    org.apache.hadoop.security.AccessControlException:
    org.apache.hadoop.security.AccessControlException: Permission denied:
    user=DrWho, access=WRITE,
    inode="@LOGS@":visibleuser:supergroup:rwxr-xr-x

    All I can really say is: "Wha?"

    Cheers,

    Bradford
  • Alex Loddengaard at Jun 4, 2009 at 6:51 pm
    Hey Bradford,

    If you were wondering what "DrWho" is about, take a look here:

    <http://issues.apache.org/jira/browse/HADOOP-4429>

    Alex
    On Thu, Jun 4, 2009 at 11:40 AM, stack wrote:

    The Daleks must be running that host. Run!

    Your hbase user doesn't have permissions to read/write all over hadoop?
    Paste more context from around the log so I can see what hbase was trying
    to
    do.

    That it only happens on one host might also indicate that this host doesn't
    have same config. as other nodes in your cluster?

    St.Ack

    On Thu, Jun 4, 2009 at 11:25 AM, Bradford Stephens <
    bradfordstephens@gmail.com> wrote:
    Out of the 10 HBase nodes on my dev cluster, one is extremely unhappy.
    It crashes every few hours, with messages like this:

    2009-06-03 12:35:21,530 FATAL
    org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
    exception. Aborting...
    org.apache.hadoop.security.AccessControlException:
    org.apache.hadoop.security.AccessControlException: Permission denied:
    user=DrWho, access=WRITE,
    inode="@LOGS@":visibleuser:supergroup:rwxr-xr-x

    All I can really say is: "Wha?"

    Cheers,

    Bradford
  • Bradford Stephens at Jun 5, 2009 at 10:53 pm
    Rather the Daleks than the Cylons :)

    We don't have an hbase user -- we have one user (hadoopuser) in the
    "admin" group that all the machines use...

    This hosts's config seems legit. Same as the other boxes.

    On Thu, Jun 4, 2009 at 11:50 AM, Alex Loddengaardwrote:
    Hey Bradford,

    If you were wondering what "DrWho" is about, take a look here:

    <http://issues.apache.org/jira/browse/HADOOP-4429>

    Alex
    On Thu, Jun 4, 2009 at 11:40 AM, stack wrote:

    The Daleks must be running that host.  Run!

    Your hbase user doesn't have permissions to read/write all over hadoop?
    Paste more context from around the log so I can see what hbase was trying
    to
    do.

    That it only happens on one host might also indicate that this host doesn't
    have same config. as other nodes in your cluster?

    St.Ack

    On Thu, Jun 4, 2009 at 11:25 AM, Bradford Stephens <
    bradfordstephens@gmail.com> wrote:
    Out of the 10 HBase nodes on my dev cluster, one is extremely unhappy.
    It crashes every few hours, with messages like this:

    2009-06-03 12:35:21,530 FATAL
    org.apache.hadoop.hbase.regionserver.HRegionServer: Unhandled
    exception. Aborting...
    org.apache.hadoop.security.AccessControlException:
    org.apache.hadoop.security.AccessControlException: Permission denied:
    user=DrWho, access=WRITE,
    inode="@LOGS@":visibleuser:supergroup:rwxr-xr-x

    All I can really say is: "Wha?"

    Cheers,

    Bradford

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categorieshbase, hadoop
postedJun 4, '09 at 6:25p
activeJun 5, '09 at 10:53p
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