Arduino IDE (Win10) crashes when I launch the program

user_5565197 0
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My Arduino IDE (ver 1.8.12 on Win10) crashes when I launch it. Running the arduino_debug.exe I get this error message.

C:\Program Files (x86)\Arduino>arduino_debug.exe
Set log4j store directory C:\Users\volke\AppData\Local\Arduino15
Loading configuration...
Initializing packages...
java.lang.NullPointerException
        at cc.arduino.contributions.packages.ContributionsIndexer.parseIndex(ContributionsIndexer.java:134)
        at processing.app.BaseNoGui.initPackages(BaseNoGui.java:483)
        at processing.app.Base.<init>(Base.java:273)
        at processing.app.Base.main(Base.java:150)

C:\Program Files (x86)\Arduino>

Any solutions? I've tried to delete the config files package_index.json and package_esp32_index.json without any luck.

windows-10 arduino-ide arduino crash windows
5 Answers
user_137166180

I'm on Windows 10 having exactly this issue (same arduino_debug log). I tried uninstalling Arduino IDE and then reinstalling it from executable installer; it worked fine until I opened the Board manager: the problem recurs.

After installing the beta version (arduino beta1.9-BUILD-119), I'm not having any problem.

user_137171230

Just use the latest Arduino IDE Beta Version. It is working now, ignoring that issue. I'm using the ESP8266 board and it's running okay.

user_129766810
user_111623080

It also happens on Manjaro linux. In my case removing the folder .arduino15 solves the issue, but I have to remove it every time I open arduino IDE

rm -rf ~/.arduino15/

Win10 folder location: 

%HOMEPATH%\AppData\Local
user_137170270
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