| error running a java project [message #1821414] |
Wed, 12 February 2020 12:43  |
Eclipse User |
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J've downloaded eclipse 2019-12 ide for java developers
and the java virtual environment jre1.8.0_241
both put in c:\programs\
j've downloaded also library rxdx (source unzipped in the lib folder of project or inside jre1.8.0_241) to permit comunication between the java project and an usb device such as plc connectec on pc's usb
running the project in eclipse it starts but clicking in a graphic push button of java graphic interface there is the error:
Exception in thread "main" java.lang.IllegalArgumentException: null source
at java.util.EventObject.<init>(Unknown Source)
someone can says why it might happen
thanks
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