[jira] [Resolved] (VCL-856) iptables.pm generates an error under old versions of Perl

["Andy Kurth (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/VCL-856?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Andy Kurth resolved VCL-856.
----------------------------
    Resolution: Fixed

> iptables.pm generates an error under old versions of Perl
> ---------------------------------------------------------
>
>                 Key: VCL-856
>                 URL: https://issues.apache.org/jira/browse/VCL-856
>             Project: VCL
>          Issue Type: Bug
>          Components: vcld (backend)
>    Affects Versions: 2.4
>            Reporter: Andy Kurth
>            Assignee: Andy Kurth
>             Fix For: 2.4.2
>
>
> iptables.pm generates the following error under perl 5.8.x, 5.10.x, and possibly other older versions:
> {noformat}
> Type of arg 1 to keys must be hash (not hash element) at iptables.pm line 1404, near "}) "
> Execution of iptables.pm aborted due to compilation errors (#1)
>     (F) This function requires the argument in that position to be of a
>     certain type.  Arrays must be @NAME or @{EXPR}.  Hashes must be
>     %NAME or %{EXPR}.  No implicit dereferencing is allowed--use the
>     {EXPR} forms as an explicit dereference.  See perlref.
> Uncaught exception from user code:
>         Type of arg 1 to keys must be hash (not hash element) at iptables.pm line 1404, near "}) "
> Execution of iptables.pm aborted due to compilation errors.
>  at iptables.pm line 1420
> {noformat}
> The line in question is accessing a hash reference element without explicitly dereferencing the value.  The error is not generated with Perl 5.16.x.  Apparently, syntax rules got eased up on.



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