Crash noticed during load testing

[abumq]

22:30:51,352 [LogDispatcher] [FATAL] CRASH HANDLED; Application has crashed due to [SIGSEGV] signal
    ======= Backtrace: =========
    [1] 2   residue                             0x000000010c5c690b _Z23generalTerminateHandlerib + 267
    [2] 3   libsystem_platform.dylib            0x00007fff6865ef5a _sigtramp + 26
    [3] 4   ???                                 0x0000000000000002 0x0 + 2
    [4] 5   residue                             0x000000010c66d08d _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 29
    [5] 6   residue                             0x000000010c66d08d _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 29
    [6] 7   residue                             0x000000010c66d08d _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 29
    [7] 8   residue                             0x000000010c66d099 _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 41
    [8] 9   residue                             0x000000010c66d099 _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 41
    [9] 10  residue                             0x000000010c66d08d _ZNSt3__16__treeINS_12__value_typeINS_12basic_stringIcNS_11char_traitsIcEENS_9allocatorIcEEEEN8nlohmann10basic_jsonINS_3mapENS_6vectorES7_bxydS5_NS8_14adl_serializerEEEEENS_19__map_value_compareIS7_SE_NS_4lessIS7_EELb1EEENS5_ISE_EEE7destroyEPNS_11__tree_nodeISE_PvEE + 29
    [10] 11  residue                             0x000000010c66cf78 _ZN8nlohmann10basic_jsonINSt3__13mapENS1_6vectorENS1_12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEEbxydS7_NS_14adl_serializerEED2Ev + 56
    [11] 12  residue                             0x000000010c66cfad _ZN8nlohmann10basic_jsonINSt3__13mapENS1_6vectorENS1_12basic_stringIcNS1_11char_traitsIcEENS1_9allocatorIcEEEEbxydS7_NS_14adl_serializerEED2Ev + 109
    [12] 13  residue                             0x000000010c61d833 _ZN7residue7RequestD2Ev + 83
    [13] 14  residue                             0x000000010c619581 _ZN7residue17LogRequestHandler19processRequestQueueEv + 4449
    [14] 15  residue                             0x000000010c61d8e8 _ZNSt3__114__thread_proxyINS_5tupleIJNS_10unique_ptrINS_15__thread_structENS_14default_deleteIS3_EEEEZN7residue17LogRequestHandler5startEvE3$_0EEEEEPvSB_ + 152
    [15] 16  libsystem_pthread.dylib             0x00007fff686686c1 _pthread_body + 340
    [16] 17  libsystem_pthread.dylib             0x00007fff6866856d _pthread_body + 0
    [17] 18  libsystem_pthread.dylib             0x00007fff68667c5d thread_start + 13

[abumq]

This crash is only in

• Batch request (a.k.a bulk request)
• Debug mode only

[abumq]

This hasn't been noticed after 1.4.3 but will leave it open until few more loads

[abumq]

This has been thoroughly tested. If it's noticed again, we'll re-open the issue