Could not initialize class gnu.io.RXTXCommDriver problem solution

The cause of the problem: %JAVA_HOME%-Search environment variables to see the corresponding value 

The versions of rxtxParallel.dll and rxtxSerial.dll under %JAVA_HOME%/jre are inconsistent

rxtxcomm official website address http://rxtx.qbang.org/wiki/index.php/Download

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