Comment on Tutorial - Read from a COM port using Java program By Steven Lim



Comment Added by : Abhaya

Comment Added at : 2013-02-20 22:42:18

Comment on Tutorial : Read from a COM port using Java program By Steven Lim
I get theses errors and apparrently it cannot find SerialPortEventListener and the import javax.comm.*. Please help. Do I need to add a jar file or something


Exception in thread "main" java.lang.NoClassDefFoundError: SerialPortEvent
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at sun.launcher.LauncherHelper.getMainMethod(Unknown Source)
at sun.launcher.LauncherHelper.checkAndLoadMain(Unknown Source)
Caused by: java.lang.ClassNotFoundException: SerialPortEvent
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 6 more


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Archived Comments

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2. Thanks man it is very very helpfull for me.

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3. works like a charm, though i didn't understand why
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6. this is really cool......
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