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[RaiMan <1609079@xxxxxxxxxxxxxxxxxx>]

** Changed in: sikuli
       Status: New => Opinion

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https://bugs.launchpad.net/bugs/1609079

Title:
  osx .observe(1) getsRuntimeError ( maximum recursion depth exceeded
  (Java StackOverflowError) )

Status in Sikuli:
  Opinion

Bug description:
  This works on the same Mac OS 10.11.6 system with SikuliX 1.1.0.
  Running the same program attached give a Java StackOverflowError on
  the line "sample.observe(1) # observing for 1 seconds (script pauses here - Java Stack Overflow)
  It happens the very first observation.....same JDK and java versions.

  ############################## Log ###############################
  [log] App.focus: [0:Firefox]
  [log] ( ⌘ ) TYPE "t"
  2016-08-02 11\:47\:42, Typed "t", KeyModifier.CMD
  [log] TYPE "nist.time.gov#ENTER."
  2016-08-02 11\:47\:44, Typed "nist.time.gov" + Key.ENTER
  2016-08-02 11\:47\:45, Found Right now
  [log] highlight M[749,127 410x25]@S(0) for 2.0 secs
  [log] highlight R[793,175 350x62]@S(0) for 2.0 secs
  ========= Starting Observation#0 ========
  [error] script [ test3 ] stopped with error in line 132
  [error] RuntimeError ( maximum recursion depth exceeded (Java StackOverflowError) )
  ############################# Program ###########################
  import sys
  import subprocess
  import time
  import shutil
  setAutoWaitTimeout(5000)
  Settings.ObserveScanRate = 2
  def logit(msg):
      lfile = open(id, "a")
      msgall = time.strftime("%Y-%m-%d %H\:%M\:%S, ") + msg
      print(msgall)
      lfile.write(msgall)
      lfile.close()
  def snapit(msg):
      bounds = getBounds()
      pic = Screen(0).capture(bounds)
      print("snapshot taken, + msg")
      msg = msg.rstrip("\n")
      sfile = path + "OSX10.11.5 " + time.strftime("%Y-%m-%d %H.%M.%S ") + msg + ".png"
      shutil.move(pic,sfile)    
  def findit(pattern,desc):
      found = False
      for i in range(3):
          if wait(pattern,2):
              msg = "Found %s\n" % desc
              logit(msg)
              found = True
              break
      if (not found):
          msg = "%s not found\n" % desc
          logit(msg)
          snapit(msg)
          return False
      return True    
  def typekeys(app,cmd,parm1):
      defined = False
      if (app == "Firefox"):
          if (cmd == "Clear Recent History"):
              defined = True
              keys = "Key.BACKSPACE, KeyModifier.SHIFT|KeyModifier.CMD"
              type(Key.BACKSPACE, KeyModifier.SHIFT|KeyModifier.CMD)
              msg = "Typed %s\n" % keys
              logit(msg)
              time.sleep(1)
              clearnow = Pattern("clearnow.png").similar(0.80)
              desc = "Clear Now"
              rc = clickit(clearnow, desc)
              if (rc == False):
                  return False
              time.sleep(2)
          elif (cmd == "New Tab & URL"):
              defined = True
              keys = "\"t\", KeyModifier.CMD"
              type("t", KeyModifier.CMD)
              msg = "Typed %s\n" % keys
              logit(msg)
              time.sleep(1)
              keys = "\"%s\" + Key.ENTER" % parm1
              type(parm1 + Key.ENTER)
              msg = "Typed %s\n" % keys
              logit(msg)            
              time.sleep(1)
          elif (cmd == "Close Tab"):
              defined = True
              keys =  "\"w\", KeyModifier.CMD"
              type("w", KeyModifier.CMD)
              msg = "Typed %s\n" % keys
              logit(msg)
              time.sleep(1)            
          elif (cmd == "Select URL field"):
              keys = "\"l\", KeyModifier.CMD"
              type("l", KeyModifier.CMD)
              msg = "Typed %s\n" % keys
              logit(msg)
      else:
          pass
      if (not defined):
          msg = "No %s found\n" % cmd
          logit(msg)
          snapit(msg)
          return False
      return True
  def timechanged(event):
      print("Something changed in ", event.region)
      num = 0
      for ch in event.changes:
          num += 1
          ch.highlight() # highlight all changes
      sleep(1)
      print("Highlighted events=" + str(num))
      num = 0
      for ch in event.changes:
          num += 1
          ch.highlight() # turn off the highlights
      print("Unhighlighted events=" + str(num))
      Settings.isChanged = True
      event.region.stopObserver()
  ####################################### Main ####################################
  global id, path
  # Create log file for msgs and path for snapshots
  dir = "/users/joe/Documents/SikuliX/logs/"
  lfile = "OSX10.11.5_" + time.strftime("%Y-%m-%d %Hh%Mm%Ss") + ".log"
  id = dir + lfile
  path = dir
  lfile = open(id, "w")
  lfile.close()
  ##############################################################################
  setThrowException(False)
  app = "Firefox"
  myApp=switchApp(app)
  cmd = "New Tab & URL"
  parm1 = "nist.time.gov"
  rc = typekeys(app,cmd,parm1)
  if (not rc):
      exit(1)
  header = "1469738059083.png"
  rc = findit(header,"Right now")
  if (not rc):
      exit(2)
  headerloc = find(header)
  headerloc.highlight(2)
  hx = headerloc.getX()
  hy = headerloc.getY()
  timeloc = Region(hx + 44, hy + 48, 350, 62)
  timeloc.highlight(2)
  passed = 0
  failed = 0
  for i in range(10):
      sample = timeloc
      sample.onChange(100, timechanged)
      Settings.isChanged = False
      print("========= Starting Observation#" + str(i) + " ========")
      sample.observe(1) # observing for 1 seconds (script pauses here - Java Stack Overflow
      if Settings.isChanged: # check wether the handler was called (because there where changes)
          passed += 1
      else:
          failed += 1
  print("Passed=" + str(passed) + ",Failed=" + str(failed))
  cmd = "Close Tab"
  parm1 = None
  rc = typekeys(app,cmd,parm1)
  if (not rc):
      exit(3)
  exit(4)

  ################################ Log output #########################

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