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2584402 - Bitmap result bitcount not in legal range error during Nbit rollover - SAP IQ

Symptom

Load could fail during Nbit rollover with the following stack trace:

Non-Fatal IQ Internal Error Detected at slib/s_bm.cxx:1456
Bitmap result bitcount not in legal range.

sbm_exception::sbm_exception

s_bm::SetBits

s_RidMapCursor::RemoveNBitPagesForRollover

s_mergeFINALWriter::PrepareForRollover

hs_dpInsert::Rollover

df_FPRolloverIterator::ExecWork

NOTE: with the new additional automatic debug code introduced as of SAP IQ 16.1 SP04 PL05 you will also see these messages:

BITMAP ASSERTION REPORT slib/s_bm.cxx:1455

Non-Fatal IQ Internal Error Detected at slib/s_bm.cxx:1471

Ridmap region overlap found, pKey=nnnnnn, block=nnnn

Bitmap Structure Dump


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Environment

  • SAP IQ 16.0 SP11.x
  • SAP 16.1

Product

SAP IQ 16.0 ; SAP IQ 16.1

Keywords

812582, cr 812582, cr812582, Bitmap result bitcount not in legal range, slib/s_bm.cxx:1456, 's_bm::SetBits', 'RemoveNBitPagesForRollover', 823229, cr 823229, cr823229, sybase , KBA , BC-SYB-IQ , Sybase IQ , Problem

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