openQA Project (public)

action #65579

Updated by okurz over 4 years ago

## Observation 

 Users create a needle that only has one item in area and its type is ocr.  

 ``` 

 links-connect-suse-webpage-20200411.json                                                                                                                      
  { 
    "area": [ 
      { 
        "xpos": 20, 
        "ypos": 415, 
        "width": 155, 
        "height": 16, 
        "type": "ocr" 
      } 
    ], 
    "properties": [], 
    "tags": [ 
      "links-connect-suse-webpage" 
    ] 
  } 

 ``` 

 Then openQA backend died when load this needle, the error message is  

 ``` 

 [2020-04-13T04:14:05.713 CEST] [debug] <<< testapi::assert_screen(mustmatch="links-connect-suse-webpage", timeout=30) 
 [2020-04-13T04:14:05.746 CEST] [debug] Backend process died, backend errors are reported below in the following lines: 
 Illegal division by zero at /usr/lib/perl5/vendor_perl/5.26.1/x86_64-linux-thread-multi/tinycv.pm line 49. 

 ``` 

 Failed job: https://openqa.nue.suse.com/tests/4114680/file/autoinst-log.txt 


 ## Open points 

     

 workaround: Users already created a ticket to fix this needle file. here is the poo: https://progress.opensuse.org/issues/65573 

 Questions:  
     1. if the needle json file is valid? 
     2. if there is no `type: match` area in a needle json file, the backend should not died with this error message. 


 ## Suggestions 

 * Alternatives: Add caution hint in help text on the web page or catch single OCR and fail with error shown to user 


 ## Workaround 

 Users already created a ticket to fix this needle file. here is the poo: https://progress.opensuse.org/issues/65573 

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