Hi Jake,

Yes, this is a known issue that is fixed in 0.16.2 - see
https://issues.apache.org/jira/browse/HADOOP-3027.

Tom

On 31/03/2008, Jake Thompson <[EMAIL PROTECTED]> wrote:
> So I am new to hadoop, but everything is working well so far.
>  Except.....
>  I can use S3 fs in 15.3 without a problem.
>
>  However, if I try the same in 16.1 I get:
>  Exception in thread "main" java.lang.IllegalArgumentException: Hook
>  previously registered
>         at
>  java.lang.ApplicationShutdownHooks.add(ApplicationShutdownHooks.java:45)
>         at java.lang.Runtime.addShutdownHook(Runtime.java:192)
>         at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1194)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:148)
>         at
>  org.apache.hadoop.fs.s3.S3FileSystem.initialize(S3FileSystem.java:81)
>         at
>  org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:1180)
>         at org.apache.hadoop.fs.FileSystem.access$400(FileSystem.java:53)
>         at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:1197)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:148)
>         at org.apache.hadoop.fs.FileSystem.getNamed(FileSystem.java:122)
>         at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:94)
>         at org.apache.hadoop.fs.FsShell.init(FsShell.java:79)
>         at org.apache.hadoop.fs.FsShell.run(FsShell.java:1567)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
>         at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
>         at org.apache.hadoop.fs.FsShell.main(FsShell.java:1704)
>
>
>  Same config both place, any thoughts on this?  I checked out Jira and could
>  not find a related bug report.
>
>
>  -Jake
>


-- 
Blog: http://www.lexemetech.com/

Reply via email to