2080230 - IQ server gets crashed with "hs_btCache::~hs_btCache" in stacktrace. | SAP Knowledge Base Article

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2080230 - IQ server gets crashed with "hs_btCache::~hs_btCache" in stacktrace.

Symptom

In a rare circumstance, IQ server gets crashed with stacktrace below due to a complex query.
   
.hos_ABORT(...............
.SigHndlr+...............                                    
.hs_btCache::~hs_btCache()+...............                
.hs_btcursor::~hs_btcursor()+...............                     
.s_keyRangeWorkDesc::~s_keyRangeWorkDesc()+...............
.s_keyRangeWorkDesc::__dftdt()+...............               
()                                                      
.s_keyRangeWorkAllocatorBase::~s_keyRangeWorkAllocatorBase
.s_BTkeyRangeWorkAllocator::~s_BTkeyRangeWorkAllocator()+
.dfo_cOrderByParaIn::ShutdownSink()+...............          
.dfo::DestroyLastLeaf()+...............                         
.dfo_Root::~dfo_Root()+...............                          
.dfo_ExtractRoot::~dfo_ExtractRoot()+...............


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Environment

SAP SYBASE IQ 15.2, IQ 15.4

Product

SAP Sybase IQ 15.2 ; SAP Sybase IQ 15.4

Keywords

CR 766258, CR 686617, CR 735604, hs_btCache, hs_btcursor, hs_btCache::~hs_btCache, IQ, KBA, crash , KBA , BC-SYB-IQ , Sybase IQ , Problem

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