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Registered 5 years 214 days
iqbal Monday, 26 June 2023, 12:55 PM
can you help me to solve App crash issue
Hi
I have Problem with my C++ Service. It crashes after some time, time depends it could be hour or sometimes few days. I have uploaded Debug build and found that it crashes at following sdk function.

I can provide coredump privatly.

<pre>
06-26 09:42:55.869 dumping stack trace from core dump /var/log/core_dumps/TestAppV2/TestAppV2.core.dump (current build:13B3527)

[New LWP 20890]
[New LWP 20916]
[New LWP 20920]
[New LWP 20922]
[New LWP 20923]
[New LWP 20924]
[New LWP 20925]
[New LWP 20926]
[New LWP 20928]
[New LWP 20929]
[New LWP 20930]
[New LWP 20931]
[New LWP 20932]
[New LWP 20933]
[New LWP 20934]
[New LWP 20935]
[New LWP 20936]
[New LWP 20937]
[New LWP 20938]
[New LWP 20939]
[New LWP 20940]
[New LWP 20941]
[New LWP 20942]
[New LWP 20943]
[New LWP 20944]
[New LWP 20948]
[New LWP 20949]
[New LWP 20951]
[New LWP 20952]
[New LWP 20953]
[New LWP 20954]
[New LWP 20955]
[New LWP 20956]
[New LWP 20957]
[New LWP 20958]
[New LWP 20959]
[New LWP 20960]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/apps/TestAppV2/TestAppV2 --manager=/var/run/manager/manager --service-id=TestA'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007fb126ab40fa in raise () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7fb126a35100 (LWP 20890))]

Thread 37 (Thread 0x7fb0f3fef700 (LWP 20960)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2940e60) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2940e60) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 36 (Thread 0x7fb0f47f0700 (LWP 20959)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2afdde0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2afdde0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 35 (Thread 0x7fb0f4ff1700 (LWP 20958)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x29388c0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x29388c0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 34 (Thread 0x7fb0f57f2700 (LWP 20957)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2aef9b0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2aef9b0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 33 (Thread 0x7fb0f5ff3700 (LWP 20956)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2adaa70) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2adaa70) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 32 (Thread 0x7fb0f67f4700 (LWP 20955)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a7a580) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a7a580) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 31 (Thread 0x7fb0f6ff5700 (LWP 20954)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x28a9040) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x28a9040) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 30 (Thread 0x7fb0f77f6700 (LWP 20953)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2af1a70) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2af1a70) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 29 (Thread 0x7fb0f7ff7700 (LWP 20952)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2af14c0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2af14c0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 28 (Thread 0x7fb0f87f8700 (LWP 20951)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a38b70) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a38b70) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 27 (Thread 0x7fb0f8ff9700 (LWP 20949)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a0cbb0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a0cbb0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 26 (Thread 0x7fb0f97fa700 (LWP 20948)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x29bf7f0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x29bf7f0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 25 (Thread 0x7fb0f9ffb700 (LWP 20944)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a26f00) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a26f00) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 24 (Thread 0x7fb0fa7fc700 (LWP 20943)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a30770) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a30770) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 23 (Thread 0x7fb0faffd700 (LWP 20942)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a24430) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a24430) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 22 (Thread 0x7fb0fb7fe700 (LWP 20941)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a241f0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a241f0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 21 (Thread 0x7fb0fbfff700 (LWP 20940)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x2a21b50) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x2a21b50) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 20 (Thread 0x7fb100ff9700 (LWP 20939)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x295ed70) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x295ed70) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 19 (Thread 0x7fb1017fa700 (LWP 20938)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x296c060) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x296c060) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 18 (Thread 0x7fb101ffb700 (LWP 20937)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x296d560) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x296d560) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 17 (Thread 0x7fb1027fc700 (LWP 20936)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x295abe0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x295abe0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 16 (Thread 0x7fb102ffd700 (LWP 20935)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x287f5e0) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x287f5e0) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007fb1274dbf3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007fb126b729af in clone () from /lib64/libc.so.6

Thread 15 (Thread 0x7fb1037fe700 (LWP 20934)):
#0 0x00007fb1274e277c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x28467c0) at sdk/common/linux/dns/dns.cpp:417

06-26 09:43:17.943 dumping stack trace from core dump /var/log/core_dumps/TestAppV2/TestAppV2.core.dump (current build:13B3527)

[New LWP 11777]
[New LWP 11875]
[New LWP 11880]
[New LWP 11881]
[New LWP 11882]
[New LWP 11883]
[New LWP 11884]
[New LWP 11885]
[New LWP 11886]
[New LWP 11887]
[New LWP 11888]
[New LWP 11889]
[New LWP 11890]
[New LWP 11891]
[New LWP 11892]
[New LWP 11893]
[New LWP 11894]
[New LWP 11895]
[New LWP 11896]
[New LWP 11897]
[New LWP 11898]
[New LWP 11899]
[New LWP 11901]
[New LWP 11902]
[New LWP 11907]
[New LWP 11908]
[New LWP 11909]
[New LWP 11910]
[New LWP 11911]
[New LWP 11912]
[New LWP 11913]
[New LWP 11914]
[New LWP 11915]
[New LWP 11916]
[New LWP 11917]
[New LWP 11918]
[New LWP 11919]
[New LWP 11920]
[New LWP 11921]
[New LWP 11922]
[New LWP 11923]
[New LWP 11924]
[New LWP 11925]
[New LWP 11926]
[New LWP 11927]
[New LWP 11928]
[New LWP 11929]
[New LWP 11931]
[New LWP 11932]
[New LWP 11933]
[New LWP 11934]
[New LWP 11935]
[New LWP 11936]
[New LWP 11937]
[New LWP 11938]
[New LWP 11939]
[New LWP 11940]
[New LWP 11941]
[New LWP 11942]
[New LWP 11943]
[New LWP 11944]
[New LWP 11945]
[New LWP 11946]
[New LWP 11947]
[New LWP 11948]
[New LWP 11930]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Core was generated by `/apps/TestAppV2/TestAppV2 --manager=/var/run/manager/manager --service-id=TestA'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f52325880fa in raise () from /lib64/libc.so.6
[Current thread is 1 (Thread 0x7f5232509100 (LWP 11777))]

Thread 66 (Thread 0x7f51f9fe3700 (LWP 11930)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f523263189f in ?? () from /lib64/libc.so.6
#9 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#10 0x0000000000576db0 in DnsThread::ThreadFunction (this=0x1f08740) at sdk/common/linux/dns/dns.cpp:448
#11 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1f08740) at sdk/common/linux/dns/dns.cpp:131
#12 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#13 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 65 (Thread 0x7f51f0fd1700 (LWP 11948)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f5232656f15 in gethostbyname2_r () from /lib64/libc.so.6
#9 0x00007f5232631a22 in ?? () from /lib64/libc.so.6
#10 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#11 0x0000000000576d2a in DnsThread::ThreadFunction (this=0x1e68bc0) at sdk/common/linux/dns/dns.cpp:440
#12 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1e68bc0) at sdk/common/linux/dns/dns.cpp:131
#13 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#14 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 64 (Thread 0x7f51f17d2700 (LWP 11947)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f5232656f15 in gethostbyname2_r () from /lib64/libc.so.6
#9 0x00007f5232631a22 in ?? () from /lib64/libc.so.6
#10 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#11 0x0000000000576d2a in DnsThread::ThreadFunction (this=0x20e5930) at sdk/common/linux/dns/dns.cpp:440
#12 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x20e5930) at sdk/common/linux/dns/dns.cpp:131
#13 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#14 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 63 (Thread 0x7f51f1fd3700 (LWP 11946)):
#0 0x00007f5232fb677c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x20b8e60) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x20b8e60) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 62 (Thread 0x7f51f27d4700 (LWP 11945)):
#0 0x00007f5232fb677c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x1fb6b40) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1fb6b40) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 61 (Thread 0x7f51f2fd5700 (LWP 11944)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f523263189f in ?? () from /lib64/libc.so.6
#9 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#10 0x0000000000576db0 in DnsThread::ThreadFunction (this=0x1e9fb40) at sdk/common/linux/dns/dns.cpp:448
#11 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1e9fb40) at sdk/common/linux/dns/dns.cpp:131
#12 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#13 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 60 (Thread 0x7f51f37d6700 (LWP 11943)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f5232656f15 in gethostbyname2_r () from /lib64/libc.so.6
#9 0x00007f5232631a22 in ?? () from /lib64/libc.so.6
#10 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#11 0x0000000000576d2a in DnsThread::ThreadFunction (this=0x1fc3c70) at sdk/common/linux/dns/dns.cpp:440
#12 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1fc3c70) at sdk/common/linux/dns/dns.cpp:131
#13 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#14 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 59 (Thread 0x7f51f3fd7700 (LWP 11942)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
#6 0x00007f5231ceaac8 in _nss_dns_gethostbyname3_r () from /lib64/libnss_dns.so.2
#7 0x00007f5231ceab7a in _nss_dns_gethostbyname2_r () from /lib64/libnss_dns.so.2
#8 0x00007f5232656f15 in gethostbyname2_r () from /lib64/libc.so.6
#9 0x00007f5232631a22 in ?? () from /lib64/libc.so.6
#10 0x00007f5232632538 in getaddrinfo () from /lib64/libc.so.6
#11 0x0000000000576d2a in DnsThread::ThreadFunction (this=0x1ea9d70) at sdk/common/linux/dns/dns.cpp:440
#12 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1ea9d70) at sdk/common/linux/dns/dns.cpp:131
#13 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#14 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 58 (Thread 0x7f51f47d8700 (LWP 11941)):
#0 0x00007f5232fb677c in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1 0x0000000000576c9d in DnsThread::ThreadFunction (this=0x1ee4a60) at sdk/common/linux/dns/dns.cpp:417
#2 0x0000000000575883 in __dns_thread_main (dnsThreadObj=0x1ee4a60) at sdk/common/linux/dns/dns.cpp:131
#3 0x00007f5232faff3d in start_thread () from /lib64/libpthread.so.0
#4 0x00007f52326469af in clone () from /lib64/libc.so.6

Thread 57 (Thread 0x7f51f4fd9700 (LWP 11940)):
#0 0x00007f523263cae9 in poll () from /lib64/libc.so.6
#1 0x00007f5231cd7e17 in ?? () from /lib64/libresolv.so.2
#2 0x00007f5231cd5aa6 in __res_context_query () from /lib64/libresolv.so.2
#3 0x00007f5231cd605c in ?? () from /lib64/libresolv.so.2
#4 0x00007f5231cd65a9 in __res_context_search () from /lib64/libresolv.so.2
#5 0x00007f5231cea90d in ?? () from /lib64/libnss_dns.so.2
</pre>

Regards
Iqbal
Picture of Daniel Deterding (innovaphone)
Moderator Registered 15 years 114 days
Daniel Deterding (innovaphone) Monday, 26 June 2023, 01:16 PM
Re: can you help me to solve App crash issue
Hi Iqbal,

I see multiple parallel DNS queries/threads here.
In the beginning, each HTTP-Client always used it's own IDns instance which could cause such a behaviour if you have parallel HTTP requests.

With 13r3 you have the option to hand an already existing IDns instance to the IHTTPClient::Create function.

So you can create one single IDns instance in your app-main.cpp file and hand this instance to all classes which use the IDns interface.

To cleanup, simply delete the instance after the iomux->Run() call in the app-main.cpp

But this is just an optimization and I assume not the solution for your trap.
A trap related to DNS resolution could occure for example if an HTTP client instance is deleted before an already running DNS query has finished.
At least the optimization would make the trap traces easier to read.

Greetings,
Daniel
Picture of iqbal
Registered 5 years 214 days
iqbal Monday, 26 June 2023, 01:41 PM
Re: can you help me to solve App crash issue
Hi Daniel
the Application ist currently on 13r2 version. is there any alternative for that.
can i check if dns query is resolved before i release resources or stop dns instance before releasing ?

Greetings
Iqbal
Picture of Daniel Deterding (innovaphone)
Moderator Registered 15 years 114 days
Daniel Deterding (innovaphone) Monday, 26 June 2023, 02:01 PM
Re: can you help me to solve App crash issue
I checked 13r2 and you can already hand IDns to IHTTPClient::Create here, so you can still change it accordingly.

There is no direct method to check if there is a running DNS request.
It's the standard asynchronous process:
You call httpclient->Connect(...) and must wait for HTTPClientConnectComplete
If you do not wait and delete the httpclient object (e.g. because the corresponding websocket session, which might have triggered such an httpclient->Connect call was closed), it will crash.
But of course I'm just guessing here.

Greetings,
Daniel
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