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Hive >> mail # user >> Error in semantic analysis: Unable to fetch table


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Keith Wiley 2012-10-18, 20:46
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MiaoMiao 2012-10-19, 05:15
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Keith Wiley 2012-10-19, 06:48
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Re: Error in semantic analysis: Unable to fetch table
Hi Keith

Can you get anything when you run "show databases" from php?

Chen

On Fri, Oct 19, 2012 at 2:48 AM, Keith Wiley <[EMAIL PROTECTED]> wrote:

> I never needed the -S.  I would just call it with -e, but yeah, that's the
> basic idea.  The output is gathered in the remaining optional arguments to
> exec().
>
> On Oct 18, 2012, at 22:15 , MiaoMiao wrote:
>
> > What php, you are using exec('hive -S -e "select * from some_table"')
> > or something like that in php?
> >
> > On Fri, Oct 19, 2012 at 4:46 AM, Keith Wiley <[EMAIL PROTECTED]>
> wrote:
> >> If I run a select command on the command line with -e it works.  If I
> run the same command inside hive (without -e) it still works...but if I
> exec it with a -e from php (so obviously the apache user), I get "Error in
> semantic analysis: Unable to fetch table [tablename]".  Bear in mind that
> this overall system worked perfectly for weeks.  I haven't modified the
> code or anything.  What did change was I had to reinstall hadoop and hive
> and I'm sure some configuration parameter is not correct now.  I found some
> Google references to this error but no clear-but solutions.
> >>
> >> What does this error mean and how do I fix it?
> >>
> >> Thanks.
>
>
>
> ________________________________________________________________________________
> Keith Wiley     [EMAIL PROTECTED]     keithwiley.com
> music.keithwiley.com
>
> "Luminous beings are we, not this crude matter."
>                                            --  Yoda
>
> ________________________________________________________________________________
>
>
--
Chen Song
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Keith Wiley 2012-10-18, 21:00