java.io-problems

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Yevgeny Gayev
Yevgeny Gayev 2018-4-9
回答： Yevgeny Gayev 2018-4-13
Since MATLAB v. 2017, as well as in my recent v.2018a, I get "complains" each time as I run the MATLAB. Namelly:
java.io.FileNotFoundException: C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a\matlab.prf (Отказано в доступе)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
at com.mathworks.services.Prefs.save(Prefs.java:632)
at com.mathworks.services.Prefs$SavePrefsThread.run(Prefs.java:1343)
java.io.FileNotFoundException: C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a\matlab.prf (Отказано в доступе)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
at com.mathworks.services.Prefs.save(Prefs.java:632)
at com.mathworks.services.Prefs$SavePrefsThread.run(Prefs.java:1343)
java.io.FileNotFoundException: C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a\matlab.prf (Отказано в доступе)
at java.io.FileOutputStream.open0(Native Method)
at java.io.FileOutputStream.open(FileOutputStream.java:270)
at java.io.FileOutputStream.<init>(FileOutputStream.java:213)
at java.io.FileOutputStream.<init>(FileOutputStream.java:162)
at com.mathworks.services.Prefs.save(Prefs.java:632)
at com.mathworks.services.Prefs$SavePrefsThread.run(Prefs.java:1343)
What's the reason, and how to remove these?
  1 个评论
Guillaume
Guillaume 2018-4-9
编辑：Guillaume 2018-4-9
Does the directory C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a\ exist on your computer?

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回答（1 个）

Yevgeny Gayev
Yevgeny Gayev 2018-4-13
Dear Guillaume, thanks for your reply! Yes, directory C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a does exist on my computer! As well as directory C:\Users\Home\AppData\Roaming\MathWorks\MATLAB\R2018a_licenses
I saw there also all my previous MATLAB-versions. What these shoud mean, then?

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