Bug#1082651: libjson-rpc-perl: Do not try to parse non-existing JSON

[Guillem Jover]

Source: libjson-rpc-perl
Source-Version: 1.06-3
Severity: wishlist
Tags: patch upstream

Hi!

When running the kgb-client (from kgb-bot), if the server returns an
error, then the JSON::RPC::Legacy::Client module will try to parse a
non-existent JSON reply, which then ends up as a truncated and confusing
error message, such as:

  remote: malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "Can't connect to kgb...") at /usr/share/perl5/JSON/RPC/Legacy/Client.pm line 186.
  remote: Unable to relay message. All servers failed

With the attached patch, the error message is instead something like:

  remote: Transport error: 500 Can't connect to kgb.tina.pm:9418 (Network is unreachable)
  remote: Unable to relay message. All servers failed

I think this would fix the kgb-bot bug #798813.

Thanks,
Guillem
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