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holgerbrandl / opencards

A free flashcard learning application for PowerPoint and MarkDown files
http://opencards.info
BSD 2-Clause "Simplified" License
96 stars 27 forks source link

crashed for unexpected error #53

Open farzadhallaji opened 4 years ago

farzadhallaji commented 4 years ago 
sh OpenCards.sh 
Picked up _JAVA_OPTIONS: -Xmx4096m
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.thoughtworks.xstream.core.util.Fields (file:/home/farzad/Downloads/opencards-2.5.1-linux/lib/xstream-1.4.8.jar) to field java.util.TreeMap.comparator
WARNING: Please consider reporting this to the maintainers of com.thoughtworks.xstream.core.util.Fields
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
update check failed: java.io.FileNotFoundException: https://dl.dropboxusercontent.com/u/422074/opencards/oc_latest_version.txt
Mar 04, 2020 6:10:07 AM info.opencards.Utils log
INFO: UpdateCheck: latest version is 2.5
Mar 04, 2020 6:10:08 AM info.opencards.Utils log
INFO: UpdateCheck: installed version 2.5
Mar 04, 2020 6:10:28 AM info.opencards.Utils log
INFO: initiating learning session for: [/home/farzad/OpenCards Examples/fruits.ppt]
Mar 04, 2020 6:10:28 AM info.opencards.Utils log
INFO: extracting  flashcards from file '/home/farzad/OpenCards Examples/fruits.ppt'...
Mar 04, 2020 6:10:28 AM info.opencards.Utils log
INFO: starting file session : /home/farzad/OpenCards Examples/fruits.ppt

opencards error

holgerbrandl commented 4 years ago

You could try to work around the problem as descibred under https://stackoverflow.com/questions/46230413/jdk9-an-illegal-reflective-access-operation-has-occurred-org-python-core-pysys/