CLS command randomly fails and throws an exception

[dotarmin]

Expected behaviour

CLS should return a list of available media files.

Current behaviour

CLS works sometimes and sometimes it randomly throws an exception and makes server v2.2 return 501 CLS FAILED.

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Steps to reproduce

1. Start media-scanner
2. Start Server v2.2
3. Write CLS a couple of times or have another system doing it.

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From CasparCG Server v2.2 log

[2018-12-06 13:12:26.715] [error]   Exception: C:\Program Files (x86)\Jenkins\workspace\casparcg-server-dep\master\src\protocol\util\http_request.cpp(71): Throw in function struct caspar::http::HTTPResponse __cdecl caspar::http::request(const class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,const class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &,const class std::basic_string<char,struct std::char_traits<char>,class std::allocator<char> > &)
[2018-12-06 13:12:26.715] [error]   Dynamic exception type: class boost::exception_detail::clone_impl<struct caspar::io_error>
[2018-12-06 13:12:26.715] [error]   [struct caspar::tag_msg_info * __ptr64] = Invalid Response
[2018-12-06 13:12:26.715] [error]   [struct caspar::tag_stacktrace_info * __ptr64] =  0# 0x000000013FA2983E in casparcg
[2018-12-06 13:12:26.715] [error]    1# 0x000000013FA58BE0 in casparcg
[2018-12-06 13:12:26.715] [error]    2# 0x000000013FBDE13E in casparcg
[2018-12-06 13:12:26.715] [error]    3# 0x000000013FB9C0FB in casparcg
[2018-12-06 13:12:26.715] [error]    4# 0x000000013FB93576 in casparcg
[2018-12-06 13:12:26.715] [error]    5# 0x000000013FB8C1CC in casparcg
[2018-12-06 13:12:26.715] [error]    6# 0x000000013FBD5D9D in casparcg
[2018-12-06 13:12:26.715] [error]    7# 0x000000013FBD4DAB in casparcg
[2018-12-06 13:12:26.715] [error]    8# 0x000000013FA923C8 in casparcg
[2018-12-06 13:12:26.715] [error]    9# 0x000000013FB0DD9F in casparcg
[2018-12-06 13:12:26.715] [error]   10# 0x000000013FB0AF80 in casparcg
[2018-12-06 13:12:26.715] [error]   11# 0x000000013FA24559 in casparcg
[2018-12-06 13:12:26.715] [error]   12# o__realloc_base in ucrtbase
[2018-12-06 13:12:26.715] [error]   13# BaseThreadInitThunk in kernel32
[2018-12-06 13:12:26.715] [error]   14# RtlUserThreadStart in ntdll
[2018-12-06 13:12:26.715] [error]   
[2018-12-06 13:12:26.715] [error]   
[2018-12-06 13:12:26.715] [error]    0# 0x000000013FA2983E in casparcg
[2018-12-06 13:12:26.715] [error]    1# 0x000000013FA2916F in casparcg
[2018-12-06 13:12:26.715] [error]    2# 0x000000013FF33AD7 in casparcg
[2018-12-06 13:12:26.715] [error]    3# 0x000007FEF5BD1030 in VCRUNTIME140
[2018-12-06 13:12:26.715] [error]    4# is_exception_typeof in VCRUNTIME140
[2018-12-06 13:12:26.715] [error]    5# RtlRestoreContext in ntdll
[2018-12-06 13:12:26.715] [error]    6# 0x000000013FBD4DAB in casparcg
[2018-12-06 13:12:26.715] [error]    7# 0x000000013FA923C8 in casparcg
[2018-12-06 13:12:26.715] [error]    8# 0x000000013FB0DD9F in casparcg
[2018-12-06 13:12:26.715] [error]    9# 0x000000013FB0AF80 in casparcg
[2018-12-06 13:12:26.715] [error]   10# 0x000000013FA24559 in casparcg
[2018-12-06 13:12:26.715] [error]   11# o__realloc_base in ucrtbase
[2018-12-06 13:12:26.715] [error]   12# BaseThreadInitThunk in kernel32
[2018-12-06 13:12:26.715] [error]   13# RtlUserThreadStart in ntdll
[2018-12-06 13:12:26.715] [error]   
[2018-12-06 13:12:26.777] [error]   Failed to execute command: CLS
[2018-12-06 13:12:26.777] [info]    Sent message to 10.23.62.1:501 CLS FAILED\r\n

[ronag]

Invalid Response probably a problem with media scanner

[ronag]

Too bad the error doesn't print what the response code was...

[dotarmin]

Invalid Response probably a problem with media scanner

Do you want the issue in the media-scanner repo instead?

Too bad the error doesn't print what the response code was...

Sent message to 10.23.62.1:501 CLS FAILED\r\n or are you thinking of the http response code it-self?

[ronag]

@dotarmin this seems related to media-scanner. Move issue there and maybe someone else can look at it?