Exception in thread “AWT-EventQueue-0”

StackOverflow https://stackoverflow.com/questions/9356905

  •  28-10-2019
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Question

Exception in thread "AWT-EventQueue-0" java.lang.UnsatisfiedLinkError: no jpcap in java.library.path

is the error I keep getting, do I need to add a path to jcap? or change my configurations?

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Solution

UnsatisfiedLinkError means that Java cannot find a native library. If you're on Windows, it's looking for jpcap.dll; if it's Linux or OS X, it's probably jpcap.so. You need to set the system property java.library.path to include the directory that contains the library.

For example, if you have jpcap.dll in a directory named C:\MyProject:

java -Djava.library.path=C:\MyProject com.mypackage.MyProgram
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