Createprocessa Error Codes
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Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million getlasterror error codes programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Where can i find CreateProcess error codes' details? up vote 5 down vote favorite 2 I'm running in php the c++ createprocess example following: $res = proc_open($cmd, $descriptorspec, $pipes, "C:\\xampp\htdocs\\",null,array('bypass_shell'=>true)); Problem is that it gives the following error: Warning: proc_open(): CreateProcess failed, error code - 3 Where can I find out what the error means? PS: it's on a Windows Server 2007. SP2. User is admin, full acess. PHP is version 5.3.1 php windows createprocess share|improve this question asked Feb 14 '11 at 9:21 Tjorriemorrie 5,28884176 2 Plus een vir die username. –McGafter Jul 3 '13
Createprocess Suspended
at 21:13 add a comment| 1 Answer 1 active oldest votes up vote 8 down vote accepted In Windows, CreateProcess doesn't actually return an error code. Instead you use GetLastError to find more details if CreateProcess fails, then use FormatMessage to turn the error code from GetLastError into a proper description. (The error codes from GetLastError can also be decoded using this list) Looking at the source for proc_open(), PHP is actually doing the GetLastError() for you in the event of a failure, and the error code it's logging is the return from GetLastError() rather than from CreateProcess (which returns a BOOL, unlikely to be 3 :) ) Note that proc_open uses this to dump the message: php_error_docref(NULL TSRMLS_CC, E_WARNING, "CreateProcess failed, error code - %u", dw); ...so that "-" you've got before the 3 is just a hyphen, not a minus sign. You're therefore getting error code 3, which, according to that list means "The system cannot find the path specified.". share|improve this answer edited Feb 14 '11 at 9:58 answered Feb 14 '11 at 9:38 Matt Gibson 26.7k56395 1 How do i do that in php? –Tjorriemorrie Feb 14 '11 at 9:44 @Tjorriemorrie Ooops, sorry, wasn't paying sufficient attention to the PHP part. I've updated my answer with what's going on from P
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Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up CreateProcess() Error http://stackoverflow.com/questions/4990503/where-can-i-find-createprocess-error-codes-details up vote 1 down vote favorite 1 STARTUPINFO si; PROCESS_INFORMATION pi; memset(&si, 0, sizeof(si)); memset(&pi, 0, sizeof(pi)); si.cb = sizeof(si); LPCWSTR procName =(LPCWSTR)"D:\\test dir 1\\Calc.exe"; LPWSTR procArg =(LPWSTR)"blacknull"; if(CreateProcess(procName,procArg,0,0,0,CREATE_DEFAULT_ERROR_MODE,0,0,&si,&pi)) { //do some work } printf( "CreateProcess failed (%d).\n", GetLastError()); system("Pause"); It keeps throwing Error(2)-> The System cannot find the file specified. I don't know what's wrong. I also tried to use "Calc.exe" which in the http://stackoverflow.com/questions/8844076/createprocess-error same Dir. but it's not working. c++ windows createprocess share|improve this question edited Jan 13 '12 at 0:08 wallyk 41.9k84898 asked Jan 12 '12 at 23:52 MixedCoder 835103267 3 I doubt casting LPSTR to LPWSTR actually makes the conversion. –GSerg Jan 12 '12 at 23:56 1 Either use CreateProcessA or pass pointers to wide strings (that is, pointers that actually point to wide strings) to the function. –David Schwartz Jan 12 '12 at 23:58 Casting is how you hide errors, not fix them. Code like (LPCWSTR)"whatever" is always wrong. –Cody Gray Jan 13 '12 at 0:52 add a comment| 2 Answers 2 active oldest votes up vote 5 down vote accepted You use the L prefix to make a wide character string: L"D:\\test dir 1\\Calc.exe"; Casting a string literal to a different character width does not make a string wider. share|improve this answer answered Jan 13 '12 at 0:11 MSN 37.6k54980 Casting away const-ness doesn't make the backing store writeable either. Had to downvote the answer. See Harry Johnston's answer for rationale. –IInspectable Oct 3 '15 at 21:25 add a comment| Did you find th
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack http://stackoverflow.com/questions/6447528/why-does-createprocesspath-cmd-fail-with-error-file-not-found Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up why does ::CreateProcess(path,cmd,…) fail with error “File not found”? up vote 1 down vote favorite 1 error codes I am trying to have a C++ program call an already made C# program to run in the background. STARTUPINFO info = {sizeof(info)}; PROCESS_INFORMATION processinfo; DWORD error1 = GetLastError(); bool x = ::CreateProcess((LPCWSTR)"C:\Convert_Shrink.exe", GetCommandLine(), NULL, NULL, false, 0,NULL,NULL, &info, &processinfo); DWORD error = GetLastError(); error1 is 0 before CreateProcess error is 2 after CreateProcess error 2: ERROR_FILE_NOT_FOUND 2 (0x2) The system cannot find the file specified. I've changed it to C:\ createprocessa error codes \ incase they were checking for escape sequences but I still get error 2 and I'm not sure why. c++ winapi share|improve this question edited Jun 22 '11 at 23:23 Ben Voigt 202k20238454 asked Jun 22 '11 at 22:58 Grant 460522 3 That cast only stops the compiler from telling you that you did it wrong. It didn't stop you from doing it wrong. Put an L in front of the string to make it a Unicode literal. –Hans Passant Jun 22 '11 at 23:19 is it possible that the application path can only be so long aswell? I put the program in C:\ for testing, but it needs to be in the same directory as the program which is deeper in the directory. –Grant Jun 22 '11 at 23:33 add a comment| 4 Answers 4 active oldest votes up vote 4 down vote accepted You can: Use CreateProcessA to match your ANSI file path: bool x = ::CreateProcessA("C:\\Convert_Shrink.exe", GetCommandLineA(), NULL, NULL, false, 0,NULL,NULL, &info, &processinfo); * Provide a file path which matches the string format required by your Unicode settings: bool x = ::CreateProcess(_T("C:\\Convert_Shrink.exe"), GetCommandLine(), NULL, NULL, false, 0,NULL,NULL, &info, &processinfo); or Use CreateProcessW so you can pass a Unicode filepath (supports extended characters): bool x = ::CreateProcessW(L"C\\\Convert_