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List:       xerces-c-users
Subject:    Re: Could not load a transcoding service - Linux
From:       DMJ1 <dj () affirmednetworks ! com>
Date:       2011-01-11 1:09:07
Message-ID: 30639495.post () talk ! nabble ! com
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Thanks for the reply. We got around it temporarily using LANG=en_US.UTF8.
This seems to be working. I also figured that the applications were built
for xcerces 3.1 but the target machine has xcerces 2.8. I am wondering
whether this has any bearing on the issue I am seeing. 

David S. wrote:
> 
> 
> DMJ1 wrote:
> > 
> > 
> > David S. wrote:
> > > 
> > > 
> > > 
> > > Paul Leeming wrote:
> > > > 
> > > > Hi,
> > > > 
> > > > I am attempting to use Xerces on a Set Top Box development kit, running
> > > > Linux. I have tested the code on an Linux PC and it works fine.
> > > > However, when I try to run it on my target device the
> > > > XMLPlatformUtils::Initialize() it fails with "Could not load a
> > > > transcoding service".
> > > > 
> > > > The Xerces code is compiled with --enable-transcoder-gnuiconv, and I
> > > > have also tried -iconv and -icu but the code will not build as it seems
> > > > these are not available on my system.
> > > > 
> > > > Using a debugger, the problem seems to be when calling 
> > > > 
> > > > XMLPlatformUtils::Initialize()
> > > > {
> > > > 
> > > > which calls
> > > > 
> > > > XMLPlatformUtils::makeTransService()
> > > > 
> > > > 
> > > > which then calls 
> > > > 
> > > > tc = new IconvGNUTransService(fgMemoryManager);
> > > > 
> > > > This fails in the constructor, in the overloaded new operator of
> > > > XMemory
> > > > 
> > > > 
> > > > I have also cross compiled one of the examples which came with Xerces,
> > > > and this fails in the same way.
> > > > 
> > > > Has anyone had a similar problem, or have any ideas?
> > > > 
> > > > Thanks in advance
> > > > 
> > > > Paul
> > > > 
> > > > 
> > > > 
> > > 
> > > GNU iconv needs files from /usr/lib/gconv in order to work with Xerces.
> > > Is the directory present on your target system?
> > > 
> > > 
> > 
> > I am having similar problems. I have built my libxerces library and
> > provided it on the target system. The target system has the
> > /usr/lib/gconv and can successfully translate the when I pass the file
> > using iconv with right parameters. However, the code always spits out the
> > error:
> > could not load a transcoding service 
> > 
> > Has this been resolved? If so can you please provide a recipe?
> > 
> > -- DMJ1
> > 
> 
> The only thing that comes to mind is the environment variable.  On my
> system XERCESC_NLS_HOME="/usr/share/xerces-c/msg". This directory only
> contains the file XercesMessages_en_US.cat
> 
> 

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