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POFirst-chance exception (ntdll.dll)
 

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  1. POFirst-chance exception (ntdll.dll)
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    <p>Any ideas why I am getting this error?</p> <p>This is the full error: </p> <blockquote> <p>First-chance exception at 0x77202282 (ntdll.dll) in Test.exe 0xC0000005: Access violation writing location 0x0000004</p> <p>Unhandle exception at 0x77202282 (ntdll.dll) in Test.exe 0xC0000005: Access violation writing location 0x0000004</p> </blockquote> <ul> <li>Debugging breaks at the line <code>Grid::Grid()</code>.</li> <li><code>Root.hpp</code> contains a private member <code>static Grid grid;</code>.</li> <li><code>Root.cpp</code> initializes this <code>Grid Root::Grid;</code></li> </ul> <p>I do have <code>SFML</code> linked statically, which has caused me a bit of trouble.</p> <p>This is a small example which exhibits this error:</p> <pre><code>#include &lt;fstream&gt; #include &lt;sstream&gt; #include &lt;Windows.h&gt; #include "Root.hpp" Grid Root::grid; int main (uchar argc, char **argv) { Root root; Root::Prepare(root); return Root::GetStatus(); } </code></pre> <p>The constructor as follows: </p> <pre><code>Grid::Grid() { Width = 100; Height = 100; } </code></pre> <p>The call stack:</p> <pre><code>ntdll.dll!772022b2() Unknown [Frames below may be incorrect and/or missing, no symbols loaded for ntdll.dll] Test.exe!sf::priv::MutexImpl::lock(void) Unknown Test.exe!sf::Mutex::lock(void) Unknown Test.exe!sf::Lock::Lock(class sf::Mutex &amp;) Unknown Test.exe!sf::GlResource::GlResource(void) Unknown Test.exe!sf::Texture::Texture(void) Unknown &gt; Test.exe!Grid::Grid() Line 5 C++ Test.exe!`dynamic initializer for 'Root::grid''() Line 11 C++ msvcr110d.dll!_initterm(void (void) * * pfbegin, void (void) * * pfend) Line 894 C Test.exe!__tmainCRTStartup() Line 460 C Test.exe!mainCRTStartup() Line 377 C kernel32.dll!767533aa() Unknown ntdll.dll!77219ef2() Unknown ntdll.dll!77219ec5() Unknown </code></pre>
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    1. COAnd what are you doing inside the `Grid` constructor? The code you shown is not enough to reliably help you with your problem.
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    2. COIs there an actual *problem* somewhere? You see an exception being thrown *and caught*. Do you catch it yourself? If the library throws, and then catches, an exception, what makes you think there is a problem at all?
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    3. COAlso, can you post the stack-trace? Is the `Grid` constructor being called because of the static variable initialization, or from somewhere else?
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