Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-17 Thread Kenton Varda
On Tue, Mar 16, 2010 at 7:44 PM, Austin Ziegler halosta...@gmail.comwrote:

 Except in the case where the user has both VS2005 and VS2008 installed
 on the same system.


Oh, right.  Sorry.

Urgh.  I'll think about it.  This is the first I've heard of this problem,
though.  Is it really that common?

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-17 Thread Austin Ziegler
On Wed, Mar 17, 2010 at 1:07 PM, Kenton Varda ken...@google.com wrote:
 On Tue, Mar 16, 2010 at 7:44 PM, Austin Ziegler halosta...@gmail.com
 wrote:
 Except in the case where the user has both VS2005 and VS2008 installed
 on the same system.
 Oh, right.  Sorry.
 Urgh.  I'll think about it.  This is the first I've heard of this problem,
 though.  Is it really that common?

Common enough that I think it's worth doing something about it. We're
going to be facing the VS2010 problem by the end of the year, in
house.

-austin
-- 
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http://www.halostatue.ca/ • http://twitter.com/halostatue

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-17 Thread Kenton Varda
OK, can you file an issue report, then?  I suppose it would not be too
terrible to make this part of the release post-processing step.

On Wed, Mar 17, 2010 at 11:19 AM, Austin Ziegler halosta...@gmail.comwrote:

 On Wed, Mar 17, 2010 at 1:07 PM, Kenton Varda ken...@google.com wrote:
  On Tue, Mar 16, 2010 at 7:44 PM, Austin Ziegler halosta...@gmail.com
  wrote:
  Except in the case where the user has both VS2005 and VS2008 installed
  on the same system.
  Oh, right.  Sorry.
  Urgh.  I'll think about it.  This is the first I've heard of this
 problem,
  though.  Is it really that common?

 Common enough that I think it's worth doing something about it. We're
 going to be facing the VS2010 problem by the end of the year, in
 house.

 -austin
 --
 Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
 http://www.halostatue.ca/ • http://twitter.com/halostatue


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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-16 Thread Roey Lehman
appearantly I didn't notice that when I clicked the .sln file, it opened
with VS2005...
I only started looking into it when compilation failed with the 2005
version.
Linking with the 2005 version failed, the linker error I got was something
to do with std::Base_container contstructor/destructor. I guess that's what
changed between VS2005 and VS2008.



On Tue, Mar 16, 2010 at 12:16 AM, Kenton Varda ken...@google.com wrote:

 I actually maintain the project files using VS2008, but I run a hack script
 that downgrades them to VS2005 (by simply replacing the version number)
 before release so that VS2005 users can use the package.

 I'm confused about how you managed to compile the project using VS2008
 without it automatically upgrading the files.  Doesn't VS immediately
 prompt you to upgrade when you open them?  I'm also confused why compilation
 would fail, considering that the only difference between the 2005 and 2008
 versions of the project files is the version number.

 I definitely do not want to try to maintain two separate copies of the VS
 project files.  Maintaining one set is already painful enough.  I really
 dislike the MSVC build system.

 On Sun, Mar 14, 2010 at 2:49 PM, Austin Ziegler halosta...@gmail.comwrote:

 On Sun, Mar 14, 2010 at 3:15 PM, Marc Gravell marc.grav...@gmail.com
 wrote:
  I'm really glad you found the cause of this; you had me worried I'd done
  something horrible with the .NET encoding ;-p
  Probably one for Kenton, but I wonder if it might be prudent to include
  VS2008 (and presumably VS2010) project files for the core project?

 We've got some VS2008 versions we can contribute; we deliberately
 created them in parallel to to the existing vs/ directory.

 -austin
 --
 Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
 http://www.halostatue.ca/ • http://twitter.com/halostatue




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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-16 Thread Kenton Varda
I do test each release with both VS2005 and VS2008, and haven't seen that
problem before.  Odd.

On Mon, Mar 15, 2010 at 10:54 PM, Roey Lehman roey...@gmail.com wrote:

 appearantly I didn't notice that when I clicked the .sln file, it opened
 with VS2005...
 I only started looking into it when compilation failed with the 2005
 version.
 Linking with the 2005 version failed, the linker error I got was something
 to do with std::Base_container contstructor/destructor. I guess that's what
 changed between VS2005 and VS2008.



 On Tue, Mar 16, 2010 at 12:16 AM, Kenton Varda ken...@google.com wrote:

 I actually maintain the project files using VS2008, but I run a hack
 script that downgrades them to VS2005 (by simply replacing the version
 number) before release so that VS2005 users can use the package.

 I'm confused about how you managed to compile the project using VS2008
 without it automatically upgrading the files.  Doesn't VS immediately
 prompt you to upgrade when you open them?  I'm also confused why compilation
 would fail, considering that the only difference between the 2005 and 2008
 versions of the project files is the version number.

 I definitely do not want to try to maintain two separate copies of the VS
 project files.  Maintaining one set is already painful enough.  I really
 dislike the MSVC build system.

 On Sun, Mar 14, 2010 at 2:49 PM, Austin Ziegler halosta...@gmail.comwrote:

 On Sun, Mar 14, 2010 at 3:15 PM, Marc Gravell marc.grav...@gmail.com
 wrote:
  I'm really glad you found the cause of this; you had me worried I'd
 done
  something horrible with the .NET encoding ;-p
  Probably one for Kenton, but I wonder if it might be prudent to include
  VS2008 (and presumably VS2010) project files for the core project?

 We've got some VS2008 versions we can contribute; we deliberately
 created them in parallel to to the existing vs/ directory.

 -austin
 --
 Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
 http://www.halostatue.ca/ • http://twitter.com/halostatue





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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-16 Thread Austin Ziegler
On Tue, Mar 16, 2010 at 3:24 PM, Kenton Varda ken...@google.com wrote:
 I do test each release with both VS2005 and VS2008, and haven't seen that
 problem before.  Odd.

Do you have 2005 and 2008 on a single system, or are they on
independent systems? If they're on the same system, VS does not always
offer to upgrade, but opens the VS projects in the same VS that they
were created in. You have to explicitly force them to upgrade.

I agree that if you can avoid it, you shouldn't maintain two different
sets of vsproj files, but if all you're doing is downconverting a
vs2008 vsproj to vs2005, then it couldn't hurt to ship both in the
tarball, even in separate directories.

-austin
-- 
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http://www.halostatue.ca/ • http://twitter.com/halostatue

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-16 Thread Kenton Varda
On Tue, Mar 16, 2010 at 6:11 PM, Austin Ziegler halosta...@gmail.comwrote:

 On Tue, Mar 16, 2010 at 3:24 PM, Kenton Varda ken...@google.com wrote:
  I do test each release with both VS2005 and VS2008, and haven't seen that
  problem before.  Odd.

 Do you have 2005 and 2008 on a single system, or are they on
 independent systems? If they're on the same system, VS does not always
 offer to upgrade, but opens the VS projects in the same VS that they
 were created in. You have to explicitly force them to upgrade.


Different systems.


 I agree that if you can avoid it, you shouldn't maintain two different
 sets of vsproj files, but if all you're doing is downconverting a
 vs2008 vsproj to vs2005, then it couldn't hurt to ship both in the
 tarball, even in separate directories.


It also wouldn't help, because they are exactly the same except for the
version number, and if a VS2008 user tries to open them, it auto-converts
them to VS2008.

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-16 Thread Austin Ziegler
On Tue, Mar 16, 2010 at 10:21 PM, Kenton Varda ken...@google.com wrote:
 On Tue, Mar 16, 2010 at 6:11 PM, Austin Ziegler halosta...@gmail.com
 wrote:
 On Tue, Mar 16, 2010 at 3:24 PM, Kenton Varda ken...@google.com wrote:
  I do test each release with both VS2005 and VS2008, and haven't seen
  that
  problem before.  Odd.
 Do you have 2005 and 2008 on a single system, or are they on
 independent systems? If they're on the same system, VS does not always
 offer to upgrade, but opens the VS projects in the same VS that they
 were created in. You have to explicitly force them to upgrade.
 Different systems.

 I agree that if you can avoid it, you shouldn't maintain two different
 sets of vsproj files, but if all you're doing is downconverting a
 vs2008 vsproj to vs2005, then it couldn't hurt to ship both in the
 tarball, even in separate directories.
 It also wouldn't help, because they are exactly the same except for the
 version number, and if a VS2008 user tries to open them, it auto-converts
 them to VS2008.

Except in the case where the user has both VS2005 and VS2008 installed
on the same system. As many of the developers at my place of work do.
If you give me VS2005 projects and I have both VS2005 and VS2008
installed, I have to explicitly open the VS2005 projects with VS2008
to make them work. This also may not work in scenarios where someone
may need to provide compiled versions that work with VS2005 and VS2008
(separately built versions). It's able to be worked around (we copied
the VS2005 projects to a new directory and forced them to be opened
with VS2008), but it is a little annoying.

-austin
-- 
Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
http://www.halostatue.ca/ • http://twitter.com/halostatue

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-15 Thread Kenton Varda
I actually maintain the project files using VS2008, but I run a hack script
that downgrades them to VS2005 (by simply replacing the version number)
before release so that VS2005 users can use the package.

I'm confused about how you managed to compile the project using VS2008
without it automatically upgrading the files.  Doesn't VS immediately
prompt you to upgrade when you open them?  I'm also confused why compilation
would fail, considering that the only difference between the 2005 and 2008
versions of the project files is the version number.

I definitely do not want to try to maintain two separate copies of the VS
project files.  Maintaining one set is already painful enough.  I really
dislike the MSVC build system.

On Sun, Mar 14, 2010 at 2:49 PM, Austin Ziegler halosta...@gmail.comwrote:

 On Sun, Mar 14, 2010 at 3:15 PM, Marc Gravell marc.grav...@gmail.com
 wrote:
  I'm really glad you found the cause of this; you had me worried I'd done
  something horrible with the .NET encoding ;-p
  Probably one for Kenton, but I wonder if it might be prudent to include
  VS2008 (and presumably VS2010) project files for the core project?

 We've got some VS2008 versions we can contribute; we deliberately
 created them in parallel to to the existing vs/ directory.

 -austin
 --
 Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
 http://www.halostatue.ca/ • http://twitter.com/halostatue


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[protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-14 Thread Roey
The problem was that Protocol Buffers comes with a default VS2005
project, and my application is in VS2008.
Had to convert protobuf VS2005 to VS2008 and everything runs just
fine.
It seems that one of the STL Libraries had been changed between VS8
and VS9 and so was throwing all kinds of weird error/linkage errors.

Thanks for all the help.
Roey

On Mar 11, 10:21 pm, Kenton Varda ken...@google.com wrote:
 Please keep the mailing list CC'd so that others can help.

 The input_ field is normally null when parsing from a flat array, so that's
 not the problem.

 ReadBytes() is an inline function found in
 google/protobuf/wire_format_lite_inl.h.  Your debugger should be able to
 descend into it.  You may have to compile with optimization disabled so that
 it doesn't actually inline the function.



 On Thu, Mar 11, 2010 at 12:11 PM, Roey Lehman roey...@gmail.com wrote:
  Hi Kenton, thanks for the reply.

  this line causes the access violation :
  DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(input,
  this-mutable_data()));

  I checked this in the debugger. This-  , is not null, and is the message
  object itself.

  Input is a CodedInputStream type, and it is not null either.
  I haven't the code for ReadBytes, I don't know what goes on inside it, but
  I can tell you that the input_ field of the CodedInputStream, is null.
  (the buffer_ field is not null ).

  since I can't delve into ReadBytes, I have no idea what's causing the
  access violation

  On Thu, Mar 11, 2010 at 9:44 PM, Kenton Varda ken...@google.com wrote:

  OK, so, which pointer is null?

  We can't do this for you.  You are the only one who can run your code in
  the debugger.

  If you want us to debug it, you need to provide a small, self-contained
  example program demonstrating the problem.  Just C++ code and input data is
  needed -- the C# part is not necessary.

   On Thu, Mar 11, 2010 at 5:56 AM, Roey roey...@gmail.com wrote:

  Just to clarify , the access violation occurs inside the
  ParseFromArray function, right when it tries to parse the second field
  of the struct (data),
  this is the code that crashes inside the cc file :

   // optional bytes Data = 2;
       case 2: {
         if
  (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

   ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
  {
          parse_Data:

  DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(
   --
  This crashes
                 input, this-mutable_data()));

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-14 Thread Roey Lehman
I cannot find the ReadBytes function inside wire_format_lite_inl.h.
How come?


On Thu, Mar 11, 2010 at 10:21 PM, Kenton Varda ken...@google.com wrote:

 Please keep the mailing list CC'd so that others can help.

 The input_ field is normally null when parsing from a flat array, so that's
 not the problem.

 ReadBytes() is an inline function found in
 google/protobuf/wire_format_lite_inl.h.  Your debugger should be able to
 descend into it.  You may have to compile with optimization disabled so that
 it doesn't actually inline the function.


 On Thu, Mar 11, 2010 at 12:11 PM, Roey Lehman roey...@gmail.com wrote:

  Hi Kenton, thanks for the reply.

 this line causes the access violation :
 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(input,
 this-mutable_data()));

 I checked this in the debugger. This-  , is not null, and is the message
 object itself.

 Input is a CodedInputStream type, and it is not null either.
 I haven't the code for ReadBytes, I don't know what goes on inside it, but
 I can tell you that the input_ field of the CodedInputStream, is null.
 (the buffer_ field is not null ).

 since I can't delve into ReadBytes, I have no idea what's causing the
 access violation



 On Thu, Mar 11, 2010 at 9:44 PM, Kenton Varda ken...@google.com wrote:

 OK, so, which pointer is null?

 We can't do this for you.  You are the only one who can run your code in
 the debugger.

 If you want us to debug it, you need to provide a small, self-contained
 example program demonstrating the problem.  Just C++ code and input data is
 needed -- the C# part is not necessary.

  On Thu, Mar 11, 2010 at 5:56 AM, Roey roey...@gmail.com wrote:

 Just to clarify , the access violation occurs inside the
 ParseFromArray function, right when it tries to parse the second field
 of the struct (data),
 this is the code that crashes inside the cc file :

  // optional bytes Data = 2;
  case 2: {
if
 (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

  ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
 {
 parse_Data:

 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(
  --
 This crashes
input, this-mutable_data()));


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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-14 Thread Marc Gravell
I'm really glad you found the cause of this; you had me worried I'd done
something horrible with the .NET encoding ;-p

Probably one for Kenton, but I wonder if it might be prudent to include
VS2008 (and presumably VS2010) project files for the core project?

Marc

On 14 March 2010 07:25, Roey Lehman roey...@gmail.com wrote:

 I cannot find the ReadBytes function inside wire_format_lite_inl.h.
 How come?


 On Thu, Mar 11, 2010 at 10:21 PM, Kenton Varda ken...@google.com wrote:

 Please keep the mailing list CC'd so that others can help.

 The input_ field is normally null when parsing from a flat array, so
 that's not the problem.

 ReadBytes() is an inline function found in
 google/protobuf/wire_format_lite_inl.h.  Your debugger should be able to
 descend into it.  You may have to compile with optimization disabled so that
 it doesn't actually inline the function.


 On Thu, Mar 11, 2010 at 12:11 PM, Roey Lehman roey...@gmail.com wrote:

  Hi Kenton, thanks for the reply.

 this line causes the access violation :
 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(input,
 this-mutable_data()));

 I checked this in the debugger. This-  , is not null, and is the message
 object itself.

 Input is a CodedInputStream type, and it is not null either.
 I haven't the code for ReadBytes, I don't know what goes on inside it,
 but I can tell you that the input_ field of the CodedInputStream, is null.
 (the buffer_ field is not null ).

 since I can't delve into ReadBytes, I have no idea what's causing the
 access violation



 On Thu, Mar 11, 2010 at 9:44 PM, Kenton Varda ken...@google.com wrote:

 OK, so, which pointer is null?

 We can't do this for you.  You are the only one who can run your code in
 the debugger.

 If you want us to debug it, you need to provide a small, self-contained
 example program demonstrating the problem.  Just C++ code and input data is
 needed -- the C# part is not necessary.

  On Thu, Mar 11, 2010 at 5:56 AM, Roey roey...@gmail.com wrote:

 Just to clarify , the access violation occurs inside the
 ParseFromArray function, right when it tries to parse the second field
 of the struct (data),
 this is the code that crashes inside the cc file :

  // optional bytes Data = 2;
  case 2: {
if
 (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

  ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
 {
 parse_Data:

 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(
  --
 This crashes
input, this-mutable_data()));


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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-14 Thread Austin Ziegler
On Sun, Mar 14, 2010 at 3:15 PM, Marc Gravell marc.grav...@gmail.com wrote:
 I'm really glad you found the cause of this; you had me worried I'd done
 something horrible with the .NET encoding ;-p
 Probably one for Kenton, but I wonder if it might be prudent to include
 VS2008 (and presumably VS2010) project files for the core project?

We've got some VS2008 versions we can contribute; we deliberately
created them in parallel to to the existing vs/ directory.

-austin
-- 
Austin Ziegler • halosta...@gmail.com • aus...@halostatue.ca
http://www.halostatue.ca/ • http://twitter.com/halostatue

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[protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-11 Thread Roey
Just to clarify , the access violation occurs inside the
ParseFromArray function, right when it tries to parse the second field
of the struct (data),
this is the code that crashes inside the cc file :

 // optional bytes Data = 2;
  case 2: {
if
(::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
{
 parse_Data:
 
DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(--
This crashes
input, this-mutable_data()));


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[protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-11 Thread Roey


The crash occurs in my auto-generated cc file for the google proto
structs , on this line :

 // optional bytes Data = 2;
  case 2: {
if
(::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
{
 parse_Data:
 
DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(   
---
crash occurs here
input, this-mutable_data()));

I do not know what this macro/code is trying to do (I guess it's
trying to deserialize my data field)


On Mar 11, 4:24 pm, Michael Poole mdpo...@troilus.org wrote:
 Roey writes:

 [snip]

  The problem is, I get a memory access violation when I try to
  deserialize it :(
  Unhandled exception at 0x02f166d8 in wmplayer.exe: 0xC005: Access
  violation writing location 0x.

  Are any of the things I'm doing here wrong , for what I'm trying to do
  (serialize in C# .NET and deserialize in C++?)

 Most likely yes, but it's hard to suggest what that is without a brief
 code example that shows the crash.  The crash is obviously trying to
 write into a null pointer, but only you can find out what code is at
 address 0x02f166d8.

 Michael Poole

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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-11 Thread Kenton Varda
OK, so, which pointer is null?

We can't do this for you.  You are the only one who can run your code in the
debugger.

If you want us to debug it, you need to provide a small, self-contained
example program demonstrating the problem.  Just C++ code and input data is
needed -- the C# part is not necessary.

On Thu, Mar 11, 2010 at 5:56 AM, Roey roey...@gmail.com wrote:

 Just to clarify , the access violation occurs inside the
 ParseFromArray function, right when it tries to parse the second field
 of the struct (data),
 this is the code that crashes inside the cc file :

  // optional bytes Data = 2;
  case 2: {
if
 (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

  ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
 {
 parse_Data:

 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(
  --
 This crashes
input, this-mutable_data()));


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Re: [protobuf] Re: Problem : Serialized in protobuf-net, deserialize in C++ app

2010-03-11 Thread Kenton Varda
Please keep the mailing list CC'd so that others can help.

The input_ field is normally null when parsing from a flat array, so that's
not the problem.

ReadBytes() is an inline function found in
google/protobuf/wire_format_lite_inl.h.  Your debugger should be able to
descend into it.  You may have to compile with optimization disabled so that
it doesn't actually inline the function.

On Thu, Mar 11, 2010 at 12:11 PM, Roey Lehman roey...@gmail.com wrote:

 Hi Kenton, thanks for the reply.

 this line causes the access violation :
 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(input,
 this-mutable_data()));

 I checked this in the debugger. This-  , is not null, and is the message
 object itself.

 Input is a CodedInputStream type, and it is not null either.
 I haven't the code for ReadBytes, I don't know what goes on inside it, but
 I can tell you that the input_ field of the CodedInputStream, is null.
 (the buffer_ field is not null ).

 since I can't delve into ReadBytes, I have no idea what's causing the
 access violation



 On Thu, Mar 11, 2010 at 9:44 PM, Kenton Varda ken...@google.com wrote:

 OK, so, which pointer is null?

 We can't do this for you.  You are the only one who can run your code in
 the debugger.

 If you want us to debug it, you need to provide a small, self-contained
 example program demonstrating the problem.  Just C++ code and input data is
 needed -- the C# part is not necessary.

  On Thu, Mar 11, 2010 at 5:56 AM, Roey roey...@gmail.com wrote:

 Just to clarify , the access violation occurs inside the
 ParseFromArray function, right when it tries to parse the second field
 of the struct (data),
 this is the code that crashes inside the cc file :

  // optional bytes Data = 2;
  case 2: {
if
 (::google::protobuf::internal::WireFormatLite::GetTagWireType(tag) ==

  ::google::protobuf::internal::WireFormatLite::WIRETYPE_LENGTH_DELIMITED)
 {
 parse_Data:

 DO_(::google::protobuf::internal::WireFormatLite::ReadBytes(
  --
 This crashes
input, this-mutable_data()));


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