Thread 1 "a.out" received signal SIGSEGV, Segmentation fault.
handle_ping (pipeline=0x42a200, req=<optimized out>, err=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/operations/ping.cc:452
452	        svc.scope = server->get_instance()->get_bucketname();
#0  handle_ping (pipeline=0x42a200, req=<optimized out>, err=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/operations/ping.cc:452
#1  0x00007ffff7eba6cd in H_noop (pipeline=0x42a200, request=0x7ffff000b300, response=<optimized out>, immerr=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/handler.cc:948
#2  0x00007ffff7ec4981 in mcreq_dispatch_response (pipeline=0x42a200, req=0x7ffff000b300, res=0x7fffffffdb40, immerr=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/handler.cc:1103
#3  0x00007ffff7ed23e9 in lcb::Server::purge_single (this=0x42a200, pkt=0x7ffff000b300, err=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:825
#4  0x00007ffff7f4d87e in fail_callback (err=LCB_ERR_REQUEST_CANCELED, pkt=0x7ffff000b300, pipeline=0x42a200) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:665
#5  mcreq_pipeline_timeout.constprop.0 (pl=0x42a200, err=LCB_ERR_REQUEST_CANCELED, now=0, cbarg=0x0, failcb=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mc/mcreq.c:935
#6  0x00007ffff7ed3297 in mcreq_pipeline_fail (failcb=0x7ffff7ed2d60 <fail_callback(mc_PIPELINE*, mc_PACKET*, lcb_STATUS, void*)>, arg=0x0, err=LCB_ERR_REQUEST_CANCELED, pl=0x42a200)
    at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mc/mcreq.c:943
#7  lcb::Server::purge (policy=lcb::Server::REFRESH_NEVER, now=0, error=LCB_ERR_REQUEST_CANCELED, this=0x42a200) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:837
#8  lcb::Server::~Server (this=<optimized out>, this=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1094
#9  0x00007ffff7ed372d in lcb::Server::start_errored_ctx (this=0x42a200, next_state=lcb::Server::S_CLOSED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1164
#10 0x00007ffff7eca72b in lcb::Server::close (this=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1140
#11 lcb_destroy (instance=0x41a000) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/instance.cc:665
#12 0x000000000040291f in main ()

#0  handle_ping (pipeline=0x42a200, req=<optimized out>, err=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/operations/ping.cc:452
        svc = {type = LCB_PING_SERVICE_KV, server = 0x41fe10 "10.33.154.186:11210", latency = 2000132989, rc = LCB_ERR_REQUEST_CANCELED, local = <optimized out>, id = <optimized out>, scope = <optimized out>, status = <optimized out>}
        ctx = <optimized out>
        server = 0x42a200
        ck = 0x7ffff0000c00
#1  0x00007ffff7eba6cd in H_noop (pipeline=0x42a200, request=0x7ffff000b300, response=<optimized out>, immerr=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/handler.cc:948
        root = <optimized out>
        resp = {ctx = {rc = LCB_ERR_REQUEST_CANCELED, status_code = 0, opaque = 0, cas = 0, key = "", bucket = "", collection = "", scope = "", ref = "", context = "", endpoint = ""}, cookie = 0x0, rflags = 2, server = 0x0}
        exdata = <optimized out>
#2  0x00007ffff7ec4981 in mcreq_dispatch_response (pipeline=0x42a200, req=0x7ffff000b300, res=0x7fffffffdb40, immerr=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/handler.cc:1103
No locals.
#3  0x00007ffff7ed23e9 in lcb::Server::purge_single (this=0x42a200, pkt=0x7ffff000b300, err=LCB_ERR_REQUEST_CANCELED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:825
        hdr = <optimized out>
        resp = {res = {response = {magic = 0 '\000', opcode = 10 '\n', keylen = 0, extlen = 0 '\000', datatype = 0 '\000', status = 1024, bodylen = 0, opaque = 0, cas = 0}, 
            bytes = "\000\n\000\000\000\000\000\004", '\000' <repeats 15 times>}, payload = 0x0, bufh = 0x0}
        rv = <optimized out>
        __PRETTY_FUNCTION__ = <optimized out>
#4  0x00007ffff7f4d87e in fail_callback (err=LCB_ERR_REQUEST_CANCELED, pkt=0x7ffff000b300, pipeline=0x42a200) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:665
No locals.
#5  mcreq_pipeline_timeout.constprop.0 (pl=0x42a200, err=LCB_ERR_REQUEST_CANCELED, now=0, cbarg=0x0, failcb=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mc/mcreq.c:935
        pkt = 0x7ffff000b300
        rd = <optimized out>
        iter = {cur = 0x7ffff000b300, prev = 0x42a200, next = 0x0, removed = 1}
        count = 0
#6  0x00007ffff7ed3297 in mcreq_pipeline_fail (failcb=0x7ffff7ed2d60 <fail_callback(mc_PIPELINE*, mc_PACKET*, lcb_STATUS, void*)>, arg=0x0, err=LCB_ERR_REQUEST_CANCELED, pl=0x42a200)
    at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mc/mcreq.c:943
No locals.
#7  lcb::Server::purge (policy=lcb::Server::REFRESH_NEVER, now=0, error=LCB_ERR_REQUEST_CANCELED, this=0x42a200) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:837
        affected = <optimized out>
#8  lcb::Server::~Server (this=<optimized out>, this=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1094
        ii = <optimized out>
        cmdq = <optimized out>
        server = <optimized out>
#9  0x00007ffff7ed372d in lcb::Server::start_errored_ctx (this=0x42a200, next_state=lcb::Server::S_CLOSED) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1164
        ctx = 0x0
#10 0x00007ffff7eca72b in lcb::Server::close (this=<optimized out>) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/mcserver/mcserver.cc:1140
        __PRETTY_FUNCTION__ = <optimized out>
#11 lcb_destroy (instance=0x41a000) at /usr/src/debug/libcouchbase-3.2.2-1.fc36.x86_64/src/instance.cc:665
        ii = 0
        po = 0x41a160
        it = non-dereferenceable iterator for associative container
        pendq = 0x41d890
#12 0x000000000040291f in main ()
No symbol table info available.
quit