2819251 - IQ crashes with stack at stcxtlib/st_server.cxx:1949 - SAP IQ

IQ server crash with "No more memory (iqlm)":

**************************************************
***   SAP IQ Abort:
***      From:  stcxtlib/st_server.cxx:1949
***      PID: 429556
***      Message: caught signal 11, program abort
***      Thread: 140514070071040  (TID: 1685)
**************************************************

Dump all thread stacks at stcxtlib/st_server.cxx:1949 for PID: 429556

**  While handling one abort, caught signal 11, program abort on thread 140514082703104 (TID 1673)
**  While handling one abort, caught signal 11, program abort on thread 140514277447424 (TID 1488)

Exception Thrown from slib/s_llhtable.cxx:194, Err# 13, tid 12 origtid 12
O/S Err#: 0, ErrID: 517 (hos_memexception); SQLCode: -1013130, SQLState: 'QBC75', Severity: 14
All IQ large memory has been used, allocation canceled [size: 8388671] 
-- (slib/s_llhtable.cxx 194)  

Exception Thrown from dflib/dfo_ColumnVector.cxx:716, Err# 4, tid 1439 origtid 1439
O/S Err#: 0, ErrID: 2065 (hs_BArrayexception); SQLCode: -1006083, SQLState: 'QBA83', Severity: 14
No more memory (iqlm) 
-- (dflib/dfo_ColumnVector.cxx 716) 

--+	GB vertical check - GroupBy column is not dfe_Column or is dfe_FPLOrdinal
--+	GB vertical check - GroupBy column is not dfe_Column or is dfe_FPLOrdinal
--+	GB vertical check - GroupBy column is not dfe_Column or is dfe_FPLOrdinal


Stacktrace: 
===== Thread Number  140514070071040  (IQ connID: 0007700012) =====
pcstkwalk(stk_trace*, int, db_log*, hos_fd*)
ucstkgentrace(int, int)
DumpAllThreads(char const*, unsigned int, int)
hos_ABORT(char const*, unsigned int, char const*, char*, char*)
SigHndlr
CopyNotNull_hos_vchar(df_ColumnVectorCopyInfo*)
dfo_ColumnVectorBase::LocalFetch()
dfo_ColumnVectorBase::FetchOpus()
dfo_RowID::FetchOpus()
dfo_IndexInsert::FetchOpus()
df_CombinerFetchContext::Fetch()
hc_dfrun::FillRun(unsigned int&, int, int)
hc_dmfrun::InitNextWorkUnit(unsigned int, int, unsigned int)
hc_dmfrun::ExecWork(int&, unsigned int)
workAllocator::DoWork(unsigned int)
hos_thread::Main()
hos_lwtask::Start(hos_lwtask*)
IQWorkerStarter(void*)
run_task_body
UnixTask::pre_body(void*)


===== Thread Number  140514082703104  (IQ connID: 0007700012) =====
pcstkwalk(stk_trace*, int, db_log*, hos_fd*)
ucstkgentrace(int, int)
abort_handle_secondary(char const*)
hos_ABORT(char const*, unsigned int, char const*, char*, char*)
CopyNotNull_hos_vchar(df_ColumnVectorCopyInfo*)
dfo_ColumnVectorBase::LocalFetch()
dfo_ColumnVectorBase::FetchOpus()
dfo_RowID::FetchOpus()
dfo_IndexInsert::FetchOpus()
df_CombinerFetchContext::Fetch()
hc_dfrun::FillRun(unsigned int&, int, int)
hc_dmfrun::InitNextWorkUnit(unsigned int, int, unsigned int)
hc_dmfrun::ExecWork(int&, unsigned int)
workAllocator::DoWork(unsigned int)
hos_thread::Main()
hos_lwtask::Start(hos_lwtask*)
IQWorkerStarter(void*)
run_task_body
UnixTask::pre_body(void*)

• SAP IQ 16.0
• SAP IQ 16.1

CR 819754, CR#819754, 819754, CopyNotNull_hos_vchar, df_ColumnVectorCopyInfo, dfo_ColumnVectorBase , KBA , BC-SYB-IQ , Sybase IQ , Bug Filed