Re: 9.2 beta1 libxml2 can't be loaded on Windows

On 1 June 2012 12:36, Edmund Horner <ejrh00@gmail.com> wrote:
> On 1 June 2012 12:14, Edmund Horner <ejrh00@gmail.com> wrote:
>> I tried using an older libxml2.dll. =A0Replace with the one from
>> ftp://ftp.zlatkovic.com/libxml/oldreleases/libxml2-2.6.9.win32.zip
>> (and copying zlib1.dll to zlib.dll), and it works.
>>
>> I note that the previous 9.1.3 binaries used the newer libxml2.dll
>> though (same as the one in
>> ftp://ftp.zlatkovic.com/libxml/libxml2-2.7.8.win32.zip).
>>
>> So I'm guessing the Windows PostgreSQL binaries were built with the
>> old one, but packaged with the new one.
>
>
> Also, if libxml2.dll is replaced with the 2.6 version as above,
> "CREATE EXTENSION xml2" will result in this:
>
> =A0 =A0ERROR: =A0could not load library "C:/ehorner/pgsql/lib/pgxml.dll":
> The specified procedure could not be found.
>
> Which may imply that that DLL was built with the 2.7 version. =A0With
> the 2.7 version in place as originally packaged, we have can load the
> extension but not use the functions from it.
>
> =A0 =A0postgres=3D# create extension xml2;
> =A0 =A0CREATE EXTENSION
>
> =A0 =A0postgres=3D# select xslt_process('<foo/>', '<bar/>');
> =A0 =A0ERROR: =A0could not set up XML error handler
> =A0 =A0HINT: =A0This probably indicates that the version of libxml2 being
> used is not compatible with the
> =A0 =A0 libxml2 header files that PostgreSQL was built with.
>
> I wanted to check whether the packaged libxslt.dll had the same
> compatibility situation as libxml2.dll does. =A0Unfortunately it seems
> doing so means using both versions of the library at once!
>
> Edmund.

Argh, I forget to mention the packaged pgadmin3.exe (in the same bin
dir as postgres) wants the 2.7 version of the DLL (as packaged).

Edmund.