I'm going to try that.   Since another group builds and packages the libraries 
I use, it'll take a bit to make a private copy with that change.

As an enhancement request, I wish there was a function I could call to validate 
the message content before serialize, that would tell me about any fields of 
the message that are in error.  I.e. so I could catch that issue similarly to 
catching uninitialized fields:

        if (!m.IsInitialized())
        {
            std::string error = name + " is missing fields: ";
            std::vector<std::string> errors;
            m.FindInitializationErrors(&errors);
            std::vector<std::string>::const_iterator it;
            for(it = errors.begin(); it!= errors.end(); ++it)
            {
                if (it != errors.begin())
                    error += ", ";
                error += *it;
            }
            throw SPException(error.c_str());
        }

It might not be something I'd do in production, but it sure would help during 
development.

________________________________
From: Kenton Varda [mailto:ken...@google.com]
Sent: Thursday, July 09, 2009 5:08 PM
To: Rizzuto, Raymond
Cc: protobuf@googlegroups.com
Subject: Re: intermittent issue with encode (version 2.0.3)

I suppose you could also temporarily edit the header file.
On Thu, Jul 9, 2009 at 2:05 PM, Rizzuto, Raymond 
<raymond.rizz...@sig.com<mailto:raymond.rizz...@sig.com>> wrote:

I'm trying to, without success.   Breakpoints in header files, at least with 
the version of tools I have, don't work very well.



________________________________

From: Kenton Varda [mailto:ken...@google.com<mailto:ken...@google.com>]
Sent: Thursday, July 09, 2009 5:02 PM
To: Rizzuto, Raymond
Cc: protobuf@googlegroups.com<mailto:protobuf@googlegroups.com>
Subject: Re: intermittent issue with encode (version 2.0.3)



Run in a debugger and set a breakpoint at wire_format_inl.h:289.

On Thu, Jul 9, 2009 at 1:56 PM, Rizzuto, Raymond 
<raymond.rizz...@sig.com<mailto:raymond.rizz...@sig.com>> wrote:

I think I have an error in my code (C++) that only occurs when I have multiple 
threads, and a lot of message volume.   Even then, I can run the same test many 
times, but only get a failure on some runs.  With 7 threads running on a 4 core 
machine, and generating 480384 google protocol buffer messages, I get 33 errors 
like this to stdout:



libprotobuf ERROR 
/siglinux/tc/sles9sp4_gcc-3.3.3_i686/sig1/protobuf-2.0.3/include/google/protobuf/wire_format_inl.h:289]
 Encountered string containing invalid UTF-8 data while serializing protocol 
buffer. Strings must contain only UTF-8; use the 'bytes' type for raw bytes.



I believe that the data is in error since I get similar errors decoding the 
messages:



libprotobuf ERROR 
/siglinux/tc/sles9sp4_gcc-3.3.3_i686/sig1/protobuf-2.0.3/include/google/protobuf/wire_format_inl.h:138]
 Encountered string containing invalid UTF-8 data while parsing protocol 
buffer. Strings must contain only UTF-8; use the 'bytes' type for raw bytes.



Is there any way that I can check for this at run time so that I can print out 
more context?  I do call IsInitialized before serializing, but that doesn't 
check for this case.



I am running on SLES9SP4, using gcc 3.3.3 as the compiler.



Ray



________________________________

Ray Rizzuto

raymond.rizz...@sig.com<mailto:raymond.rizz...@sig.com>

Susquehanna International Group

(610)747-2336 (W)

(215)776-3780 (C)







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