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From Phantom <ghostwhoowa...@gmail.com>
Subject Re: C API for HDFS
Date Wed, 13 Jun 2007 18:37:57 GMT
How does it know where to pick up hadoop-site.xml from ? Should I be
defining some env variable or passing this info into the program somehow ?

Thanks
Avinash

On 6/13/07, Arun C Murthy <arunc@yahoo-inc.com> wrote:
>
> On Wed, Jun 13, 2007 at 10:43:09AM -0700, Phantom wrote:
> >How do I get the documentation for the C API ?
>
> Sorry, I should get to put up a twiki on this one...
>
> $ ant doc-libhdfs
>
> which generates doxygen docs from src/c++/libhdfs/hdfs.h
>
> Doug, is there an easy way for us to put up the doxygen-docs, similar to
> the java api docs?
>
> >Also when I try to use the
> >hdfsConnect() function what do I pass as argument ? Should I pass in the
> >host name of the master and the port it is listening on ? I mean in the
> >configuration file for Hadoop I have the fs.default.name set to
> >"hdfs://dev030.sctm.com:9000". So do I pass in "hdfs://dev030.sctm.com"
> and
> >9000 as args. Please advice.
> >
>
> Take a look at src/c++/libhdfs/hdfs_test.c for some examples... passing
> 'default' & 0 will pick up values from hadoop-site.xml
>
> hth,
> Arun
>
> >Thanks
> >A
> >
> >This is the exception I get when I connect with "hdfs://<host>", port.
> >
> >Exception in thread "main" java.io.IOException: No FileSystem for scheme:
> >hdfs
> >       at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:157)
> >Call to org.apache.hadoop.fs.FileSystem::get(URI, Configuration) failed!
>

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