fgallery broken which might be caused by bug in libjson-xs-perl

[Andreas Tille]

Hi,

when using fgallery on testing/stable I get


   hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this) at /usr/bin/fgallery line 875.


Line 875 in fgallery in question is

   print($fd encode_json(\%json));

I did some web search and found[1]

   "This is an existing bug in JSON::XS that can be worked around as follows: ..."

I'm not sure whether the workaround works in the fgallery case
since the problem described uses arrayrefs and fgallery is using
a hash so if I turn the suggestion into

   print($fd encode_json(my $non_magical = \%json));

this does not help.  Before I file a bug report I'd like to check here
on the Perl list whether libjson-xs-perl is really causing the case or
not.  The person who suggested the solution also reported a bug[2] but
this was closed on the cpan RT since it does not belong there.

Any help is welcome (to share my images from last vacation with you ;-))

    Andreas.

[1] https://stackoverflow.com/questions/33738849/strange-behavior-of-a-tied-hash-in-perl-when-asking-for-an-arrayref
[2] https://rt.cpan.org/Ticket/Display.html?id=109026

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