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[Bug 1922793] Re: Null pointer exception on using WaitBest

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: RaiMan <1922793@xxxxxxxxxxxxxxxxxx>
Date: Wed, 29 Sep 2021 14:05:42 -0000
Reply-to: Bug 1922793 <1922793@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx
** Changed in: sikuli
       Status: New => In Progress

** Changed in: sikuli
   Importance: Undecided => Medium

** Changed in: sikuli
     Assignee: (unassigned) => RaiMan (raimund-hocke)

** Changed in: sikuli
    Milestone: None => 2.0.6

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https://bugs.launchpad.net/bugs/1922793

Title:
  Null pointer exception on using WaitBest

Status in SikuliX:
  In Progress

Bug description:
  we are passigng an array of image names and it is returning null exception when using latest methdod waitBest.
  however we earlier used findbest like SearchRegion.findBest(name) and it used to work fine
  search regrions is defined as
    SearchRegion= Region(width//2,0,width//2,height//2)

  # passed png names with wait time as 5 seconds
  name: ['ExtensionPinDropDownFeat', 'ExtensionPinDropDownLocal']
  waitTime: 5
  code
  ctrl=SearchRegion.waitBest(waitTime,name)

  2021-04-06 05:10:16,897 INFO Image Names: ['ExtensionPinDropDownFeat', 'ExtensionPinDropDownLocal']
  2021-04-06 05:10:16,907 INFO waitTime: 5
  2021-04-06 05:10:18,260 ERROR Traceback (most recent call last):
    File "C:\p4\Automations\FeatTests\FEAT\Web Capture\Browser Integration\Frictionless_ChromeExtn\TestFiles\CompressPDFClick.sikuli\CompressPDFClick.py", line 22, in <module>
      AddExtension.openChromeAndAddExtension()
    File "C:\p4\Automations\FeatTests\FEAT\Web Capture\Browser Integration\Frictionless_ChromeExtn\TestFiles\AddExtension.py", line 146, in openChromeAndAddExtension
      addExtension()
    File "C:\p4\Automations\FeatTests\FEAT\Web Capture\Browser Integration\Frictionless_ChromeExtn\TestFiles\AddExtension.py", line 67, in addExtension
      extensionPinDropDown=acrobat.getObjectByImage(["ExtensionPinDropDownFeat","ExtensionPinDropDownLocal"],reg)
    File "C:\p4\Automations\FeatTests\Common\UIAutomation\acrobat.sikuli\findObj.py", line 188, in getObjectByImage
      obj= searchImage(name,regionToSearch,waitTime)
    File "C:\p4\Automations\FeatTests\Common\UIAutomation\acrobat.sikuli\findObj.py", line 104, in searchImage
      ctrl=SearchRegion.waitBest(waitTime,name)
  NullPointerException: java.lang.NullPointerException


  debug logs
  [debug] Region: Key.WIN as modifier
  [debug] ( Windows )  TYPE "#UP."
  [debug] Region: ( Windows )  TYPE "#UP."
  [debug] OCR: start: Tess4J 4.5.4 using Tesseract 4.1.x
  [debug] Finder2: makeMat: INT_RGB (1920x1080)
  [debug] Finder2: doFindText: Home found: 1 times (3108 msec) 
  [debug] highlight M[16,54 43x14]On(0) S 93 for 1.0 secs
  [debug] highlight R[10,70 1536x1010]@S(0) for 1.0 secs
  [debug] Region: wait: waiting 0.0 secs for  to appear in R[10,70 1536x1010]@S(0)
  [debug] Region: doFind: Switching to TextSearch
  [debug] OCR: start: Tess4J 4.5.4 using Tesseract 4.1.x
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindText: Rich Media123 (1682 msec): not found
  [debug] Region: handleFindFailed: 	Rich Media123	
  [debug] Region: wait:  did not appear [1682 msec]
  [debug] waitBest: enter
  [debug] findAnyCollect: waiting for SubFindRuns
  [debug] Image: reused: RichMediaToolsLocal.png (file:/C:/Perf/Work/Groups/AntiPirates/PDFNext/Automations/FeatTests/FEAT/Unified%20Share/UI_Automation/TestFiles/AcroUIImageRepo/RichMediaToolsLocal.png)
  [debug] Image: reused: RichMediaToolsFeat.png (file:/C:/Perf/Work/Groups/AntiPirates/PDFNext/Automations/FeatTests/FEAT/Unified%20Share/UI_Automation/TestFiles/AcroUIImageRepo/RichMediaToolsFeat.png)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: makeMat: 3BYTE_BGR (105x91)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: makeMat: 3BYTE_BGR (104x88)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 204 msec 
  [debug] Finder2: doFindImage: end 204 msec
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 194 msec 
  [debug] Finder2: doFindImage: end 194 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 200 msec 
  [debug] Finder2: doFindImage: end 200 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 186 msec 
  [debug] Finder2: doFindImage: end 186 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 201 msec 
  [debug] Finder2: doFindImage: end 201 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 195 msec 
  [debug] Finder2: doFindImage: end 195 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 205 msec 
  [debug] Finder2: doFindImage: end 205 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 187 msec 
  [debug] Finder2: doFindImage: end 187 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 208 msec 
  [debug] Finder2: doFindImage: end 208 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 194 msec 
  [debug] Finder2: doFindImage: end 194 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 194 msec 
  [debug] Finder2: doFindImage: end 194 msec
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 184 msec 
  [debug] Finder2: doFindImage: end 184 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 171 msec 
  [debug] Finder2: doFindImage: end 171 msec
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 162 msec 
  [debug] Finder2: doFindImage: end 162 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 208 msec 
  [debug] Finder2: doFindImage: end 208 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 193 msec 
  [debug] Finder2: doFindImage: end 193 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 205 msec 
  [debug] Finder2: doFindImage: end 205 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 187 msec 
  [debug] Finder2: doFindImage: end 188 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 242 msec 
  [debug] Finder2: doFindImage: end 242 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 212 msec 
  [debug] Finder2: doFindImage: end 213 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 277 msec 
  [debug] Finder2: doFindImage: end 277 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 267 msec 
  [debug] Finder2: doFindImage: end 268 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 277 msec 
  [debug] Finder2: doFindImage: end 277 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 230 msec 
  [debug] Finder2: doFindImage: end 230 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 230 msec 
  [debug] Finder2: doFindImage: end 230 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 217 msec 
  [debug] Finder2: doFindImage: end 217 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 257 msec 
  [debug] Finder2: doFindImage: end 258 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 229 msec 
  [debug] Finder2: doFindImage: end 229 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 267 msec 
  [debug] Finder2: doFindImage: end 267 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 274 msec 
  [debug] Finder2: doFindImage: end 274 msec
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 256 msec 
  [debug] Finder2: doFindImage: end 256 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 247 msec 
  [debug] Finder2: doFindImage: end 247 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %32.0198 (?70) 366 msec 
  [debug] Finder2: doFindImage: end 366 msec
  [debug] Finder2: doFindImage: in original: %30.2462 (?70) 352 msec 
  [debug] Finder2: doFindImage: end 352 msec
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 126.2426 mean: 705.851617)
  [debug] Finder2: makeMat: INT_RGB (1536x1010)
  [debug] Finder2: doFindImage: start (stdDev: 121.0247 mean: 709.128938)
  [debug] Finder2: doFindImage: in original: %100.0000 (?70) 318 msec 
  [debug] Finder2: doFindImage: end 318 msec
  [debug] waitAnyCollect: first SubFindRun finished
  [debug] highlight M[1282,253 104x88]On(0) S 10000 for 1.0 secs
  [debug] Finder2: doFindImage: in original: %82.6407 (?70) 282 msec 
  [debug] Finder2: doFindImage: end 282 msec

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References

[Bug 1922793] [NEW] Null pointer exception on using WaitBest
From: Chetan, 2021-04-06