Hello,
We are using git with the smart HTTP protocol. We are seeing the client
freeze with Jenkins poll. It stops the continuous build which is a bit
of a pain. It happens with the latest release 1.8.0 on the client side.
The server is using 1.7.0.4.
On the server we are seeing the following error message:
var/log/apache2/error.log.1:[Mon Nov 19 15:17:12 2012] [error] [client 192.168.50.15] fatal: git upload-pack: not our ref aa92ca2076c2421433f89ee0b0ae89cd36d27481 multi_ack_detailed side-band-64k thin-pack no-progress ofs-delta
The error is located in upload-pack.c:
* Hmph. We may later want to allow "want" line that
* asks for something like "master~10" (symbolic)...
* would it make sense? I don't know.
*/
o = lookup_object(sha1_buf);
if (!o || !(o->flags & OUR_REF))
die("git upload-pack: not our ref %s", line+5);
It calls die with I believe is doing the right thing(TM).
On the client side I compiled git with debugging symbols. I then
attached the debugger to the process that gets hosed. I get the
following backtrace:
#0 0x00007fff85389af0 in read ()
#1 0x000000010f900913 in xread (fd=0, buf=0x7fff6f376e2c, len=4) at wrapper.c:142
#2 0x000000010f900a11 in read_in_full (fd=0, buf=0x7fff6f376e2c, count=4) at wrapper.c:171
#3 0x000000010f8a14e4 in safe_read (fd=0, buffer=0x7fff6f376e2c, size=4, return_line_fail=0) at pkt-line.c:140
#4 0x000000010f8a110e in packet_read_internal (fd=0, buffer=0x10f981eb0 "", size=1000, return_line_fail=0) at pkt-line.c:183
#5 0x000000010f8a1246 in packet_read_line (fd=0, buffer=0x10f981eb0 "", size=1000) at pkt-line.c:211
#6 0x000000010f7b5196 in get_ack (fd=0, result_sha1=0x7fff6f377450 "") at builtin/fetch-pack.c:227
#7 0x000000010f7b4074 in find_common (fd=0x7fff6f377668, result_sha1=0x7fff6f377450 "", refs=0x0) at builtin/fetch-pack.c:416
#8 0x000000010f7b32a5 in do_fetch_pack (fd=0x7fff6f377668, orig_ref=0x10fb007a0, sought=0x7fff6f377670, pack_lockfile=0x7fff6f377660)
at builtin/fetch-pack.c:832
#9 0x000000010f7b2cbd in fetch_pack (my_args=0x10f973fe8, fd=0x7fff6f377668, conn=0x0, ref=0x10fb007a0,
dest=0x7fff6f377a78 "https://foo.visionobjects.com/git/a-project-name/";, sought=0x7fff6f377670, pack_lockfile=0x7fff6f377660)
at builtin/fetch-pack.c:1069
#10 0x000000010f7b2a25 in cmd_fetch_pack (argc=7, argv=0x7fff6f377890, prefix=0x0) at builtin/fetch-pack.c:1012
#11 0x000000010f77aa5b in run_builtin (p=0x10f971990, argc=7, argv=0x7fff6f377890) at git.c:306
#12 0x000000010f779ac7 in handle_internal_command (argc=7, argv=0x7fff6f377890) at git.c:467
#13 0x000000010f77a299 in run_argv (argcp=0x7fff6f377858, argv=0x7fff6f377850) at git.c:513
#14 0x000000010f7798fd in main (argc=7, argv=0x7fff6f377890) at git.c:588
The file descriptor being 0 in #6 seems a bit suspicious. I am not
familiar with the git protocol. Could I get some guidance on how to
troubleshoot some more so that I come up with a patch?
--
Ivan Kanis, Release Manager, Vision Objects,
Tel +33 2 28 01 49 50, Fax +33 2 40 25 89 20
http://www.visionobjects.com
The essence of science: ask an impertinent question, and you are on
the way to a pertinent answer.
-- Jacob Bronowski
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