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From Mich Talebzadeh <mich.talebza...@gmail.com>
Subject Re: Problem starting region server with Hbase version hbase-2.0.0
Date Thu, 07 Jun 2018 19:38:35 GMT
Hi,

Under Hbase Home directory I get

hduser@rhes75: /data6/hduser/hbase-2.0.0> find ./ -name '*.jar' -print
-exec jar tf {} \; | grep -E "\.jar$|StreamCapabilities" | grep -B 1
StreamCapabilities
./lib/phoenix-5.0.0-alpha-HBase-2.0-client.jar
org/apache/hadoop/hbase/util/CommonFSUtils$StreamCapabilities.class
org/apache/hadoop/fs/StreamCapabilities.class
org/apache/hadoop/fs/StreamCapabilities$StreamCapability.class
--
./lib/hbase-common-2.0.0.jar
org/apache/hadoop/hbase/util/CommonFSUtils$StreamCapabilities.class

for Hadoop home directory I get nothing

hduser@rhes75: /home/hduser/hadoop-2.7.3> find ./ -name '*.jar' -print
-exec jar tf {} \; | grep -E "\.jar$|StreamCapabilities" | grep -B 1
StreamCapabilities


Dr Mich Talebzadeh



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On 7 June 2018 at 15:39, Sean Busbey <busbey@apache.org> wrote:

> Somehow, HBase is getting confused by your installation and thinks it
> can check for wether or not the underlying FileSystem implementation
> (i.e. HDFS) provides hflush/hsync even though that ability is not
> present in Hadoop 2.7. Usually this means there's a mix of Hadoop
> versions on the classpath. While you do have both Hadoop 2.7.3 and
> 2.7.4, that mix shouldn't cause this kind of failure[1].
>
> Please run this command and copy/paste the output in your HBase and
> Hadoop installation directories:
>
> find . -name '*.jar' -print -exec jar tf {} \; | grep -E
> "\.jar$|StreamCapabilities" | grep -B 1 StreamCapabilities
>
>
>
> [1]: As an aside, you should follow the guidance in our reference
> guide from the section "Replace the Hadoop Bundled With HBase!" in the
> Hadoop chapter: http://hbase.apache.org/book.html#hadoop
>
> But as I mentioned, I don't think it's the underlying cause in this case.
>
> On Thu, Jun 7, 2018 at 8:41 AM, Mich Talebzadeh
> <mich.talebzadeh@gmail.com> wrote:
> > Hi,
> >
> > Please find below
> >
> > *bin/hbase version*
> > SLF4J: Class path contains multiple SLF4J bindings.
> > SLF4J: Found binding in
> > [jar:file:/data6/hduser/hbase-2.0.0/lib/phoenix-5.0.0-alpha-
> HBase-2.0-client.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> > SLF4J: Found binding in
> > [jar:file:/data6/hduser/hbase-2.0.0/lib/slf4j-log4j12-1.7.
> 25.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> > SLF4J: Found binding in
> > [jar:file:/home/hduser/hadoop-2.7.3/share/hadoop/common/lib/
> slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class]
> > SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an
> > explanation.
> > HBase 2.0.0
> > Source code repository git://
> > kalashnikov.att.net/Users/stack/checkouts/hbase.git
> > revision=7483b111e4da77adbfc8062b3b22cbe7c2cb91c1
> > Compiled by stack on Sun Apr 22 20:26:55 PDT 2018
> > From source with checksum a59e806496ef216732e730c746bbe5ac
> >
> > *l**s -lah lib/hadoop**
> > -rw-r--r-- 1 hduser hadoop  41K Apr 23 04:26
> > lib/hadoop-annotations-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  93K Apr 23 04:26 lib/hadoop-auth-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  26K Apr 23 04:29 lib/hadoop-client-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 1.9M Apr 23 04:28
> > lib/hadoop-common-2.7.4-tests.jar
> > -rw-r--r-- 1 hduser hadoop 3.4M Apr 23 04:26 lib/hadoop-common-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 127K Apr 23 04:29 lib/hadoop-distcp-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 3.4M Apr 23 04:29 lib/hadoop-hdfs-2.7.4-tests.
> jar
> > -rw-r--r-- 1 hduser hadoop 8.0M Apr 23 04:29 lib/hadoop-hdfs-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 532K Apr 23 04:29
> > lib/hadoop-mapreduce-client-app-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 759K Apr 23 04:29
> > lib/hadoop-mapreduce-client-common-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 1.5M Apr 23 04:27
> > lib/hadoop-mapreduce-client-core-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 188K Apr 23 04:29
> > lib/hadoop-mapreduce-client-hs-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  62K Apr 23 04:29
> > lib/hadoop-mapreduce-client-jobclient-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  71K Apr 23 04:28
> > lib/hadoop-mapreduce-client-shuffle-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  26K Apr 23 04:28
> > lib/hadoop-minicluster-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 2.0M Apr 23 04:27
> lib/hadoop-yarn-api-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 163K Apr 23 04:28
> > lib/hadoop-yarn-client-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 1.7M Apr 23 04:27
> > lib/hadoop-yarn-common-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 216K Apr 23 04:28
> > lib/hadoop-yarn-server-applicationhistoryservice-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 380K Apr 23 04:28
> > lib/hadoop-yarn-server-common-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 703K Apr 23 04:28
> > lib/hadoop-yarn-server-nodemanager-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop 1.3M Apr 23 04:29
> > lib/hadoop-yarn-server-resourcemanager-2.7.4.jar
> > -rw-r--r-- 1 hduser hadoop  75K Apr 23 04:28
> > lib/hadoop-yarn-server-tests-2.7.4-tests.jar
> > -rw-r--r-- 1 hduser hadoop  58K Apr 23 04:29
> > lib/hadoop-yarn-server-web-proxy-2.7.4.jar
> >
> > Also I am on Hadoop 2.7.3
> >
> > *hadoop version*
> > Hadoop 2.7.3
> > Subversion https://git-wip-us.apache.org/repos/asf/hadoop.git -r
> > baa91f7c6bc9cb92be5982de4719c1c8af91ccff
> > Compiled by root on 2016-08-18T01:41Z
> > Compiled with protoc 2.5.0
> > From source with checksum 2e4ce5f957ea4db193bce3734ff29ff4
> > This command was run using
> > /home/hduser/hadoop-2.7.3/share/hadoop/common/hadoop-common-2.7.3.jar
> >
> >
> > Dr Mich Talebzadeh
> >
> >
> >
> > LinkedIn * https://www.linkedin.com/profile/view?id=
> AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw
> > <https://www.linkedin.com/profile/view?id=AAEAAAAWh2gBxianrbJd6zP6AcPCCd
> OABUrV8Pw>*
> >
> >
> >
> > http://talebzadehmich.wordpress.com
> >
> >
> > *Disclaimer:* Use it at your own risk. Any and all responsibility for any
> > loss, damage or destruction of data or any other property which may arise
> > from relying on this email's technical content is explicitly disclaimed.
> > The author will in no case be liable for any monetary damages arising
> from
> > such loss, damage or destruction.
> >
> >
> >
> > On 7 June 2018 at 14:20, Sean Busbey <sean.busbey@gmail.com> wrote:
> >
> >> HBase needs HDFS syncs to avoid dataloss during component failure.
> >>
> >> What's the output of the command "bin/hbase version"?
> >>
> >>
> >> What's the result of doing the following in the hbase install?
> >>
> >> ls -lah lib/hadoop*
> >>
> >> On Jun 7, 2018 00:58, "Mich Talebzadeh" <mich.talebzadeh@gmail.com>
> wrote:
> >>
> >> yes correct I am using Hbase on hdfs  with hadoop-2.7.3
> >>
> >> The file system is ext4.
> >>
> >> I was hoping that I can avoid the sync option,
> >>
> >> many thanks
> >>
> >>
> >>
> >> Dr Mich Talebzadeh
> >>
> >>
> >>
> >> LinkedIn * https://www.linkedin.com/profile/view?id=
> >> AAEAAAAWh2gBxianrbJd6zP6AcPCCdOABUrV8Pw
> >> <https://www.linkedin.com/profile/view?id=
> AAEAAAAWh2gBxianrbJd6zP6AcPCCd
> >> OABUrV8Pw>*
> >>
> >>
> >>
> >> http://talebzadehmich.wordpress.com
> >>
> >>
> >> *Disclaimer:* Use it at your own risk. Any and all responsibility for
> any
> >> loss, damage or destruction of data or any other property which may
> arise
> >> from relying on this email's technical content is explicitly disclaimed.
> >> The author will in no case be liable for any monetary damages arising
> from
> >> such loss, damage or destruction.
> >>
> >>
> >>
> >> On 7 June 2018 at 01:43, Sean Busbey <busbey@apache.org> wrote:
> >>
> >> > On Wed, Jun 6, 2018 at 6:11 PM, Mich Talebzadeh
> >> > <mich.talebzadeh@gmail.com> wrote:
> >> > >
> >> > >
> >> > > so the region server started OK but then I had a problem with
> master :(
> >> > >
> >> > > java.lang.IllegalStateException: The procedure WAL relies on the
> >> > ability to
> >> > > hsync for proper operation during component failures, but the
> >> underlying
> >> > > filesystem does not support doing so. Please check the config value
> of
> >> > > 'hbase.procedure.store.wal.use.hsync' to set the desired level of
> >> > > robustness and ensure the config value of 'hbase.wal.dir' points to
> a
> >> > > FileSystem mount that can provide it.
> >> > >
> >> >
> >> > This error means that you're running on top of a Filesystem that
> >> > doesn't provide sync.
> >> >
> >> > Are you using HDFS? What version?
> >> >
> >>
> >>
> >>
>

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