This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
This is definitely not the right place to ask. This is the place to get help on JavaServer Faces web technology. What you are encountering relates to Java Native Interface (JNI). I'll try and find an appropriate forum to move this thread to.
An IDE is no substitute for an Intelligent Developer.
The error means that Java cannot find a native library "LinuxSerialParallel". You need to have that native library (the file should probably be named LinuxSerialParallel.so if this is on Linux), and you'd need to set java.library.path to the directory that contains this library: