We are running HTCondor-CE 2.1.2 with HTCondor 8.5.8. Everything was running fine, but after a service condor-ce restart, condor_collector crashes after few seconds:
07/04/17 14:17:37 Got QUERY_SCHEDD_ADS
07/04/17 14:17:37 (Sending 0 ads in response to query)
07/04/17 14:17:37 Query info: matched=0; skipped=0; query_time=0.000015; send_time
0.000019; type=Scheduler; requirements={( ( Machine =?= "
ce13.pic.es" ) )}; peer=<
07/04/17 14:17:38 DC_AUTHENTICATE: attempt to open invalid session ce13:41414:1499
2-9693#1676832%20188.184.83.197:9693%3faddrs%3d188.184.83.197-9693#2809680&PrivNet
td046.pic.es&addrs=192.168.100
.130-10019+[2001-67c-1148-301--46]-10019&noUDP> 07/04/17 14:17:38 (bt:9337:20) Failed to assert (sockProto == objectProto) at /slo
s/06/dir_3214211/userdir/.tmpE5TmSx/BUILD/condor-8.5.8/src/condor_io/sock.cpp, lin
539; aborting.
Backtrace bt:9337:20 is
/usr/lib64/libcondor_utils_8_5_8.so(_ZN4Sock12assignSocketEi+0x147) [0x37d
0b19b7]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN8ReliSock29exit_reverse_connecting_
tateEPS_+0x2a) [0x37d3076fda]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN9CCBClient22ReverseConnectCallbackE
4Sock+0x68) [0x37d306e258]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN9CCBClient28ReverseConnectCommandHa
dlerEP7ServiceiP6Stream+0x1e7) [0x37d306e7c7]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore18CallCommandHandlerEiP
Streambbff+0x2ce) [0x37d30f4a2e]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN21DaemonCommandProtocol11ExecComman
Ev+0x1bc) [0x37d30dc7fc]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN21DaemonCommandProtocol10doProtocol
v+0x138) [0x37d30dcba8]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore9HandleReqEP6StreamS1_+
x74) [0x37d30ec6f4]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore14HandleReqAsyncEP6Stre
m+0xb) [0x37d30ec8eb]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint13ReceiveSocket
P8ReliSockS1_+0x243) [0x37d30a8aa3]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint16DoListenerAcc
ptEP8ReliSock+0x187) [0x37d30a8d37]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint20HandleListene
AcceptEP6Stream+0x4a) [0x37d30a8d9a]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore24CallSocketHandler_wor
erEibP6Stream+0x5f1) [0x37d30f32c1]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore35CallSocketHandler_wor
er_demarshallEPv+0x1d) [0x37d30f344d]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN13CondorThreads8pool_addEPFvPvES0_P
PKc+0x40) [0x37d2fd7c00]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore17CallSocketHandlerERib
0x147) [0x37d30ece17]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore6DriverEv+0x36d0) [0x37
30f0a20]
/usr/lib64/libcondor_utils_8_5_8.so(_Z7dc_mainiPPc+0x1799) [0x37d3111069]
/lib64/libc.so.6(__libc_start_main+0xfd) [0x3baa21ed5d]
condor_collector() [0x40ee09]
Stack dump for process 9690 at timestamp 1499170658 (25 frames)
/usr/lib64/libcondor_utils_8_5_8.so(dprintf_dump_stack+0x12d)[0x37d2f91dbd]
/usr/lib64/libcondor_utils_8_5_8.so(_Z18linux_sig_coredumpi+0x40)[0x37d310eed0]
/lib64/libpthread.so.0[0x3baa60f7e0]
/lib64/libc.so.6(gsignal+0x35)[0x3baa232625]
/lib64/libc.so.6(abort+0x175)[0x3baa233e05]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN4Sock12assignSocketEi+0x155)[0x37d30b19c5]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN8ReliSock29exit_reverse_connecting_stateEPS
+0x2a)[0x37d3076fda]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN9CCBClient22ReverseConnectCallbackEP4Sock+0
68)[0x37d306e258]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN9CCBClient28ReverseConnectCommandHandlerEP7
erviceiP6Stream+0x1e7)[0x37d306e7c7]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore18CallCommandHandlerEiP6Streamb
ff+0x2ce)[0x37d30f4a2e]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN21DaemonCommandProtocol11ExecCommandEv+0x1b
)[0x37d30dc7fc]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN21DaemonCommandProtocol10doProtocolEv+0x138
[0x37d30dcba8]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore9HandleReqEP6StreamS1_+0x74)[0x
7d30ec6f4]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore14HandleReqAsyncEP6Stream+0xb)[
x37d30ec8eb]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint13ReceiveSocketEP8ReliS
ckS1_+0x243)[0x37d30a8aa3]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint16DoListenerAcceptEP8Re
iSock+0x187)[0x37d30a8d37]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN18SharedPortEndpoint20HandleListenerAcceptE
6Stream+0x4a)[0x37d30a8d9a]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore24CallSocketHandler_workerEibP6
tream+0x5f1)[0x37d30f32c1]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore35CallSocketHandler_worker_dema
shallEPv+0x1d)[0x37d30f344d]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN13CondorThreads8pool_addEPFvPvES0_PiPKc+0x4
)[0x37d2fd7c00]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore17CallSocketHandlerERib+0x147)[
x37d30ece17]
/usr/lib64/libcondor_utils_8_5_8.so(_ZN10DaemonCore6DriverEv+0x36d0)[0x37d30f0a20]
/usr/lib64/libcondor_utils_8_5_8.so(_Z7dc_mainiPPc+0x1799)[0x37d3111069]
/lib64/libc.so.6(__libc_start_main+0xfd)[0x3baa21ed5d]
condor_collector[0x40ee09]