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From Stack <st...@duboce.net>
Subject Re: compiling HBaseFsck.java for 0.20.5
Date Mon, 05 Jul 2010 17:24:36 GMT
Make sure conf directory is in your classpath.  If it is, it might the
case that you need something like the below:

# Set hadoop filesystem configuration using the hbase.rootdir.
# Otherwise, we'll always use localhost though the hbase.rootdir
# might be pointing at hdfs location.
c.set("fs.default.name", c.get(HConstants::HBASE_DIR))
fs = FileSystem.get(c)

The above is copied from the jruby scripts in the bin dir......

...though looking at the HBaseFsck it does this.

So it must be a case of your not setting up the classpath properly?

You've set the target hdfs in your hbase-site.xml and then you've
launched the script as per:

./bin/hbase org.apache.hadoop.hbase.client.HBaseFsck

(The above will ensure your classpath is set properly).

St.Ack



On Sat, Jul 3, 2010 at 9:51 AM, Ted Yu <yuzhihong@gmail.com> wrote:
> I produced patched version of HBaseFsck.java which is attached.
>
> When I ran it, I got:
>
> Version: 0.20.5
> 10/07/03 09:41:38 DEBUG zookeeper.ZooKeeperWrapper: Read ZNode
> /hbase/root-region-server got 10.32.56.159:60020
> 10/07/03 09:41:38 DEBUG client.HConnectionManager$TableServers: Found ROOT
> at 10.32.56.159:60020
> 10/07/03 09:41:38 DEBUG client.HConnectionManager$TableServers: Cached
> location for .META.,,1 is 10.32.56.160:60020
>
> Number of Tables: 0
> Number of live region servers:2
> Number of dead region servers:0
> Exception in thread "main" java.lang.IllegalArgumentException: Wrong FS:
> hdfs://sjc9-flash-grid04.carrieriq.com:9000/hbase, expected: file:///
>         at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:310)
>         at
> org.apache.hadoop.fs.RawLocalFileSystem.pathToFile(RawLocalFileSystem.java:47)
>         at
> org.apache.hadoop.fs.RawLocalFileSystem.listStatus(RawLocalFileSystem.java:273)
>         at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:721)
>         at org.apache.hadoop.fs.FileSystem.listStatus(FileSystem.java:746)
>         at
> org.apache.hadoop.fs.ChecksumFileSystem.listStatus(ChecksumFileSystem.java:465)
>         at
> org.apache.hadoop.hbase.client.HBaseFsck.checkHdfs(HBaseFsck.java:192)
>         at
> org.apache.hadoop.hbase.client.HBaseFsck.doWork(HBaseFsck.java:165)
>         at org.apache.hadoop.hbase.client.HBaseFsck.main(HBaseFsck.java:533)
> 10/07/03 09:41:38 INFO zookeeper.ZooKeeper: Closing session:
> 0x1299926deb30004
>
> Please comment.
>
> On Sat, Jul 3, 2010 at 7:23 AM, Ted Yu <yuzhihong@gmail.com> wrote:
>>
>> Hi,
>> I tried to compile HBaseFsck.java for 0.20.5 but got:
>>
>> compile-core:
>>     [javac] Compiling 338 source files to
>> /Users/tyu/hbase-0.20.5/build/classes
>>     [javac]
>> /Users/tyu/hbase-0.20.5/src/java/org/apache/hadoop/hbase/client/HBaseFsck.java:95:
>> cannot find symbol
>>     [javac] symbol  : constructor
>> HBaseAdmin(org.apache.hadoop.conf.Configuration)
>>     [javac] location: class org.apache.hadoop.hbase.client.HBaseAdmin
>>     [javac]     super(conf);
>>     [javac]     ^
>>     [javac]
>> /Users/tyu/hbase-0.20.5/src/java/org/apache/hadoop/hbase/client/HBaseFsck.java:447:
>> cannot find symbol
>>     [javac] symbol  : method
>> metaScan(org.apache.hadoop.conf.Configuration,org.apache.hadoop.hbase.client.MetaScanner.MetaScannerVisitor)
>>     [javac] location: class org.apache.hadoop.hbase.client.MetaScanner
>>     [javac]       MetaScanner.metaScan(conf, visitor);
>>     [javac]                  ^
>>     [javac]
>> /Users/tyu/hbase-0.20.5/src/java/org/apache/hadoop/hbase/client/HBaseFsck.java:503:
>> cannot find symbol
>>     [javac] symbol  : method create()
>>     [javac] location: class org.apache.hadoop.hbase.HBaseConfiguration
>>     [javac]     Configuration conf = HBaseConfiguration.create();
>>     [javac]                                           
^
>>     [javac] Note: Some input files use or override a deprecated API.
>>     [javac] Note: Recompile with -Xlint:deprecation for details.
>>     [javac] Note: Some input files use unchecked or unsafe operations.
>>     [javac] Note: Recompile with -Xlint:unchecked for details.
>>     [javac] 3 errors
>>
>> Advice is welcome.
>
>

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