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java.lang.UnsatisfiedLinkError: com.sun.comm.Unix.isDevLink(Ljava/lang/String;)Z When Using Java Communication API with Java SE 1.6 in Oracle Application Server 10.1.3 (Doc ID 1189273.1)

Last updated on APRIL 09, 2018

Applies to:

Oracle Containers for J2EE - Version and later
Information in this document applies to any platform.


When attempting to access a serial port in an Oracle Application Server JSF/Java application that communicates with serial devices, if using Java SE 1.6, the following error message is received:

Exception: java.lang.UnsatisfiedLinkError: com.sun.comm.Unix.isDevLink(Ljava/lang/String;)Z

If the application is run with Java SE 5, then there is no issue accessing the serial ports.


Upgraded Java SE 1.5 to Java SE 1.6.


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