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[Ghislain Fourny <922504@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:~zorba-coders/zorba/ordpath-bitlength-assert

** Changed in: zorba
       Status: New => In Progress

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https://bugs.launchpad.net/bugs/922504

Title:
  Endless Loop in Ordpath generation - Assertion?

Status in Zorba - The XQuery Processor:
  In Progress

Bug description:
  A customer form 28msec was able to produce an endless loop in
  OrdPath::getLocalBitLength. Basically, the variable lastByte was set
  to 0 in line 360 -> the while loop never stops.

  Unfortunately, I was not able to figure out under which circumstances
  this behavior happens. But would it be possible to add an Assertion to
  catch this failure? Moreover, it would be very nice to print some
  information in case of assertions. E.g. the value of the current
  Ordpath. Otherwise, it is almost impossible to reproduce an assertion.

  I already talk to Matthias concerning printing some additional
  information. He thinks it could be added to the stack print. He will
  get in touch with you to discuss if it can be done without performance
  regressions.

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