[R4.1 newton]query_engine getting crashed when querying sessionseriestable only with sample_count

[aswani kumar]

R4.1 build 36 newton multinode

querying sessionseriestable with only sample_count in the select_fields causing query_engine crash

{
   "session_type":"client",
   "start_time":1510210140643398,
   "end_time":1510211152882282,
   "select_fields":[
      "sample_count"
   ],
   "table":"SessionSeriesTable",
   "where":[
      [
         {
            "value2":null,
            "name":"vn",
            "value":"default-domain:ctest-AnalyticsTestSanityWithResource-44528100:ctest-vn1-88214953",
            "op":1
         },
         {
            "value2":null,
            "name":"remote_vn",
            "value":"default-domain:ctest-AnalyticsTestSanityWithResource-44528100:ctest-vn2-06632143",
            "op":1
         }
      ]
   ]
}

root@nodec54:~# curl -H "X-Auth-Token:a8bd0966cef54bbaae286003f4e156d2" -X POST --data @query 10.204.217.95:8081/analytics/query --header "Content-Type:application/json"
Query Engine is not responding

root@nodec55(analytics):/# contrail-status
== Contrail Analytics ==
contrail-collector: active
contrail-analytics-api: active
contrail-query-engine: active
contrail-alarm-gen: active
contrail-snmp-collector: active
contrail-topology: active
contrail-analytics-nodemgr: active
========Run time service failures=============
/var/crashes/core.contrail-query-.3393.nodec55.1510211420
/var/crashes/core.contrail-query-.31038.nodec55.1510212770
/var/crashes/core.contrail-query-.637.nodec55.1510214539
/var/crashes/core.contrail-query-.30957.nodec55.1510211451
/var/crashes/core.contrail-query-.32389.nodec55.1510213419

back-trace
---------

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/bin/contrail-query-engine'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00000000004a3b1c in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
[Current thread is 1 (Thread 0x7f7b64c08780 (LWP 31038))]
(gdb) bt
#0 0x00000000004a3b1c in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > std::operator+<char, std::char_traits<char>, std::allocator<char> >(char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&) ()
#1 0x0000000000525a2f in ?? ()
#2 0x000000000050dd0d in ?? ()
#3 0x0000000000510fe1 in ?? ()
#4 0x000000000051a47e in ?? ()
#5 0x00000000004be521 in ?? ()
#6 0x00000000004c1160 in ?? ()
#7 0x00000000005c0067 in ?? ()
#8 0x0000000000799ae6 in ?? ()
#9 0x000000000079b689 in ?? ()
#10 0x000000000079bfd4 in ?? ()
#11 0x000000000066d955 in ?? ()
#12 0x0000000000667041 in ?? ()
#13 0x000000000042416e in ?? ()
#14 0x00007f7b620db830 in __gconv (cd=0x0, inbuf=0x7fb360, inbufend=0x433490 "1\355I\211\321^H\211\342H\203\344\360PTI\307\300\320\263\177", outbuf=0x4227a0,
    outbufend=<optimized out>, irreversible=0x0) at gconv.c:84
#15 0xb9b097af4e828da3 in ?? ()
#16 0x0000000000000000 in ?? ()
(gdb)

[aswani kumar (aswanikumar90)]

cores and logs are copied to below location

stack@10.204.216.49:/cs-shared/bugs/1731177/
password:stack@123

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/37359
Submitter: mkheni (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/37360
Submitter: mkheni (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/37359
Committed: http://github.com/Juniper/contrail-controller/commit/a1e689cc542e7b9a59bfd43b4055adb7b20e6812
Submitter: Zuul (<email address hidden>)
Branch: R4.1

commit a1e689cc542e7b9a59bfd43b4055adb7b20e6812
Author: mkheni <email address hidden>
Date: Thu Nov 9 11:20:53 2017 -0800

query_engine crashes when querying SessionSeriesTable
only with session_class_id or sample_count.

session_class_id and sample_count are not supposed
to be queried alone, there has to be some other field in
select with it. Return EINVAL if these fields are queried
alone.

Change-Id: I24574662b56b2ea26311983bc1e37c20d7f518f1
Closes-bug: #1731177

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/37360
Committed: http://github.com/Juniper/contrail-controller/commit/7eb283c9c60880a8583ab3c258e882c8f5488a93
Submitter: Zuul (<email address hidden>)
Branch: master

commit 7eb283c9c60880a8583ab3c258e882c8f5488a93
Author: mkheni <email address hidden>
Date: Thu Nov 9 11:20:53 2017 -0800

query_engine crashes when querying SessionSeriesTable
only with session_class_id or sample_count.

session_class_id and sample_count are not supposed
to be queried alone, there has to be some other field in
select with it. Return EINVAL if these fields are queried
alone.

Change-Id: I24574662b56b2ea26311983bc1e37c20d7f518f1
Closes-bug: #1731177