Hi Alex,
This seems to make sense. Could you post your patch with a possible
(even if detached) test case?
On Thu, Mar 21, 2013 at 6:14 AM, Alex Baranau <alex.barano...@gmail.com> wrote:
> Hi!
>
> In a test I tried to run a job which is in separate jar with
> MiniMRYarnCluster and got ClassNotFoundException for the Mapper class that
> is in that jar.
>
> I went a bit deeper and found possible bug in LocalJobRunner:
>
> currently:
>
> this.job = new JobConf(localJobFile);
>
> // Job (the current object) is a Thread, so we wrap its class loader.
> if (localDistributedCacheManager.hasLocalClasspaths()) {
> setContextClassLoader(localDistributedCacheManager.makeClassLoader(
> getContextClassLoader()));
> }
>
> should be:
>
> this.job = new JobConf(localJobFile);
> // Job (the current object) is a Thread, so we wrap its class loader.
> if (localDistributedCacheManager.hasLocalClasspaths()) {
> ClassLoader classLoader =
> localDistributedCacheManager.makeClassLoader(getContextClassLoader());
> setContextClassLoader(classLoader);
> this.job.setClassLoader(classLoader);
> }
>
> I.e. we need to set classloader for job configuration so that it can load
> classes from the jar.
>
> If the above makes sense I will file JIRA with patch, otherwise, what am I
> missing?
>
>
> Thank you,
> Alex Baranau
--
Harsh J
