-Re: Issue with third party library
Sampath Herga 2012-12-07, 07:25
Setting the full path worked.
On Thu, Dec 6, 2012 at 9:51 AM, Hemanth Yamijala
> You mentioned that the file is present in the tasktracker local dir,
> could you please tell us the full path ? I am wondering if setting the full
> path will have any impact, rather than specifying the relative path.
> Another option may be to try to use the addCacheArchive and createSymLink
> APIs as described here:
> On Wed, Dec 5, 2012 at 5:23 PM, Sampath Herga <[EMAIL PROTECTED]> wrote:
>> I was just trying to setup hadoop and run some sample programs. I ran
>> into some issues when trying to add a required library. I tried using the
>> DistributedCache methods to try adding to the classpath.
>> The basic code is:
>> Path mysqlJar = new
>> fs.copyFromLocalFile(mysqlJar, mysqlJar);
>> DistributedCache.addArchiveToClassPath(mysqlJar, jobConf, fs);
>> I did a copyFromLocal since I wasnt sure where it would get picked from.
>> I tried both addArchiveToClassPath and addFileToClassPath. But with both, I
>> get a ClassNotFoundException.
>> Caused by: java.lang.RuntimeException: java.lang.ClassNotFoundException:
>> ... 16 more
>> The job seems to have got the file added and also checked in the
>> tasktracker local dir and the file seems to be present.
>> Any clues would be helpful. I dont think I can use -libjars since I am
>> trying to execute the hadoop jobs from within another application and not
>> from the command line.