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[RaiMan <sikulix@xxxxxxxxxxx>]

not a bug

** Changed in: sikuli
       Status: In Progress => Invalid

** Converted to question:
   https://answers.launchpad.net/sikuli/+question/680207

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https://bugs.launchpad.net/bugs/1789952

Title:
  findAll: endless loop when only using hasNext() - matches have to be
  consumed with next()

Status in Sikuli:
  Invalid

Bug description:
  Hi RaiMan

  I have a simple Java method witch will reproduce a extrem critical
  problem. I can run the following method between 1-3 mins, but always
  after a unspecific timespan my complete java app is frozen/hanging (no
  exception, no further log, no stacktrace). The last log lines before
  the error occurs are:

  [debug] RobotDesktop: captureScreen: [1213,115, 150x400]
  [840595 debug] Finder2: makeMat: INT_RGB (150x400)
  [840595 debug] Finder2: doFind: start
  [840600 debug] Finder2: doFind: in original: %99,9901 (?90) 5 msec
  [840602 debug] Finder2: doFind: end 7 msec
  [840602 debug] Region: findAll: BuildQueueEntry.png has appeared

  It seems that the appearing of my image on the screen causes this
  critical bug. After this event the java app hanging for ever

  // The intention of this method is to count the occurence of my image
  private static int getBuildQueueSize(DSOServices dsoService) {
    dsoService.switchToBrowser();
    int counter = 0;
    Region searchRegion = Region.create(1213, 115, 150, 400);
    Iterator<Match> it = null;
    while (true) {
      try {
          it = searchRegion.findAll(pattern("BuildQueueEntry.png").similar(0.90f));
          while (it.hasNext()) {
              counter++;
          }
      } catch (FindFailed findFailed) {
          findFailed.printStackTrace();
      }
    }
  }

  OS: Win10
  Java: 1.8.0_181
  Sikuli: 1.1.4-SNAPSHOT
  IDE: Intellij Idea
  Window Commandline Execution

  I hope you can help me with a Fix or Workaround!
  Joe

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