digitalmars.D.learn - 'Access Violation Error' with parallel-foreach loop
- ooyu (26/26) Mar 18 2017 When i was uing parallel-foreach loop, got this error:
- ikod (6/32) Mar 18 2017 Hello,
- ooyu (14/50) Mar 18 2017 No no, not work. :-(
- Vladimir Panteleev (5/6) Mar 18 2017 That looks like https://issues.dlang.org/show_bug.cgi?id=13727,
When i was uing parallel-foreach loop, got this error:
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
object.Error (0): Access Violation
----------------
0x0056CCB8 in _flushbu
0x005663C7 in fwrite
0x0041D39F in nothrow nogc trusted uint
std.stdio.trustedFwrite!(char).trustedFwrite(shared(core.stdc.stdio._iobuf)*,
const(char[]))
at C:\D\dmd2\windows\bin\..\..\src\phobos\std\stdio.d(3836)
0x004611AA in D3std6format99__T14formattedWri at
C:\D\dmd2\windows\bin\..\..\src\phobos\std\format.d(556)
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
code is here:
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
foreach( web_url; parallel(urls) ){
try{
auto rq = Request(); // using dlang-requests library
auto d = rq.get( std.uri.encode(web_url) ); // file url
File f = File(path_hash[web_url], "wb");
f.write( d.responseBody );
f.close();
}
catch(std.exception.ErrnoException e){}
}
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
I don't understand why got Access Violation error. :-(
Mar 18 2017
On Saturday, 18 March 2017 at 16:15:30 UTC, ooyu wrote:
When i was uing parallel-foreach loop, got this error:
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
object.Error (0): Access Violation
----------------
0x0056CCB8 in _flushbu
0x005663C7 in fwrite
0x0041D39F in nothrow nogc trusted uint
std.stdio.trustedFwrite!(char).trustedFwrite(shared(core.stdc.stdio._iobuf)*,
const(char[]))
at C:\D\dmd2\windows\bin\..\..\src\phobos\std\stdio.d(3836)
0x004611AA in D3std6format99__T14formattedWri at
C:\D\dmd2\windows\bin\..\..\src\phobos\std\format.d(556)
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
code is here:
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
foreach( web_url; parallel(urls) ){
try{
auto rq = Request(); // using dlang-requests library
auto d = rq.get( std.uri.encode(web_url) ); // file url
File f = File(path_hash[web_url], "wb");
f.write( d.responseBody );
f.close();
}
catch(std.exception.ErrnoException e){}
}
￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣
I don't understand why got Access Violation error. :-(
Hello,
Also don't understand the reason and I can't reproduce this
error. Can you try to pass ubyte[] to f.write() explicitly
converting responseBody to array? Like
f.write(d.responseBody.data());
Mar 18 2017
ooyu <dummy dummy.org> On Saturday, 18 March 2017 at 20:57:59 UTC, ikod wrote:On Saturday, 18 March 2017 at 16:15:30 UTC, ooyu wrote:No no, not work. :-( when i trying this: ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ File f = File(path_hash[web_url], "wb"); f.write( d.responseBody.data() ); f.close(); ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ downloaded text file like a byte[] array: ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ [255, 216, 255, 225, 32, 246, 69, 120, 105, 102, 0, 0, 77, 77, 0, 42, 0, 0, 0, 8, 0, 7, 1 ... // this is a file that downloaded and open notepad.exe ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣When i was uing parallel-foreach loop, got this error: ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ object.Error (0): Access Violation ---------------- 0x0056CCB8 in _flushbu 0x005663C7 in fwrite 0x0041D39F in nothrow nogc trusted uint std.stdio.trustedFwrite!(char).trustedFwrite(shared(core.stdc.stdio._iobuf)*, const(char[])) at C:\D\dmd2\windows\bin\..\..\src\phobos\std\stdio.d(3836) 0x004611AA in D3std6format99__T14formattedWri at C:\D\dmd2\windows\bin\..\..\src\phobos\std\format.d(556) ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ code is here: ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ foreach( web_url; parallel(urls) ){ try{ auto rq = Request(); // using dlang-requests library auto d = rq.get( std.uri.encode(web_url) ); // file url File f = File(path_hash[web_url], "wb"); f.write( d.responseBody ); f.close(); } catch(std.exception.ErrnoException e){} } ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ I don't understand why got Access Violation error. :-(Hello, Also don't understand the reason and I can't reproduce this error. Can you try to pass ubyte[] to f.write() explicitly converting responseBody to array? Like f.write(d.responseBody.data());
Mar 18 2017
On Saturday, 18 March 2017 at 16:15:30 UTC, ooyu wrote:I don't understand why got Access Violation error. :-(That looks like https://issues.dlang.org/show_bug.cgi?id=13727, though I thought a fix was included in recent DMD Windows versions. Try using std.file.write.
Mar 18 2017
On Saturday, 18 March 2017 at 22:27:27 UTC, Vladimir Panteleev wrote:On Saturday, 18 March 2017 at 16:15:30 UTC, ooyu wrote:Aha! Thank you. I try again using std.file.write and input ubyte[] data. ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ auto rq = Request(); auto d = rq.get( std.uri.encode(web_url) ); std.file.write(path_hash[web_url], d.responseBody.data); ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ working pretty :-)I don't understand why got Access Violation error. :-(That looks like https://issues.dlang.org/show_bug.cgi?id=13727, though I thought a fix was included in recent DMD Windows versions. Try using std.file.write.
Mar 18 2017
On Sunday, 19 March 2017 at 00:46:29 UTC, ooyu wrote:On Saturday, 18 March 2017 at 22:27:27 UTC, Vladimir Panteleev wrote:It would be nice to know what actually solved problem.[...]Aha! Thank you. I try again using std.file.write and input ubyte[] data. ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ auto rq = Request(); auto d = rq.get( std.uri.encode(web_url) ); std.file.write(path_hash[web_url], d.responseBody.data); ￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣￣ working pretty :-)
Mar 19 2017