[TACHYON-123] throw exceptions rather than close connection

There may be more cases that should be fixed, and this doesn't solve the problem if there are network issues, but I rather move those to a different PR.
I'll clean up
On Aug 30, 2014 12:31 AM, "Haoyuan Li" <notifications@github.com> wrote:

> In core/src/test/java/tachyon/master/MasterClientTest.java:
>
> > @@ -9,9 +11,12 @@
> >  import org.junit.Before;
> >  import org.junit.Test;
> >
> > +import org.mockito.Mockito;
>
> where is this used?
>
> —
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> <https://github.com/amplab/tachyon/pull/404/files#r16928483>.
>