Symptom
In a IQ Multiplex environment, one writer node crashes when a table is being loaded. The following stack trace prints to stktrc file of that writer node:
** Error from IQ connection: SA connHandle: 117740 SA connID: 7 IQ connID: 0000211592 User: dba ** Time of error: 2019-01-22 22:33:44 ** IQ Version: SAP IQ/16.0.110/10940/P/sp11.19 ** OS info: IQ built on: Enterprise Linux64 - x86_64 - 2.6.18-194.el5, Executed on: Linux/ZDC2/2.6.32-754.6.3.el6.x86_64/#1 SMP Tue Sep 18 10:29:08 EDT 2018/x86_64 ** Command status when error occured: CURSOR ACTIVE ** Command text:
load into table "owner_name"."table_name"
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Dump all thread stacks at stcxtlib/st_server.cxx:1949 for PID: 40041
***************** This is the STACKTRACE ***************
===== Thread Number 140053353875200 (IQ connID: 0000211592) =====
pcstkwalk
ucstkgentrace
DumpAllThreads
hos_ABORT
SigHndlr+0x4f
ConvertColumn_hos_dtint64
dfo_FileSource::FetchOpus
dfo_CheckConstraintFilter::FetchOpus
dfo_ColumnVectorBase::FetchOpus
dfo_RowID::FetchOpus
dfo_IndexInsert::FetchOpus
df_CombinerFetchContext::Fetch
hc_dfrun::FillRun
hc_dmfrun::InitNextWorkUnit
hc_dmfrun::ExecWork
workAllocator::DoWork
hos_thread::Main
hos_lwtask::Start
IQWorkerStarter
run_task_body
UnixTask::pre_body
Read more...
Environment
- SAP IQ 16.0. SP11
Product
Keywords
SAP IQ, dfo_CheckConstraintFilter, dfo_ColumnVectorBase, df_CombinerFetchContext, InitNextWorkUnit, load table, CR 818391 , KBA , BC-SYB-IQ , Sybase IQ , Problem
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