Hi Tatiana,
It's only a known issue in the sense that Jacek posted that error from
you some day(s) in the past. We should open a ticket for it.
My guess is that the error comes from intermediate results that trigger
an error condition when when gathering back results from the cluster.
It's likely due to a result type that we don't support(or don't properly
support). If you are selecting blobs or varchars or binary or bit types,
that could cause it, or maybe our code for handling zero-length values
is broken.
-Daniel
On 01/22/2015 04:28 PM, Tatiana Goldina wrote:
> Hello,
>
> I am encountering this once in a while.
>
> qserv-czar.log
>
> python: build/rproc/ProtoRowBuffer.cc:69: int lsst::qserv::rproc::escapeString(Iter, CIter, CIter) [with Iter = __gnu_cxx::__normal_iterator<char*, std::vector<char, std::allocator<char> > >, CIter = __gnu_cxx::__normal_iterator<const char*, std::basic_string<char, std::char_traits<char>, std::allocator<char> > >]: Assertion `srcBegin != srcEnd' failed.
>
> Czar is dead and qserv stops responding after that.
>
>
> Is it a known issue?
>
>
> Thank you!
>
> Tatiana
>
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