LinuxQuestions.org - I got error with this command 'java -jar NodeView-v1.1.jar'

Hi Everyone,

I am new to Linux and currently doing a project on 6LoWPAN. I got a kit from Sensinode and I want to install NodeView apllication. The instruction to install NodeView is given below.

Step 1 – Install the RXTX Java library
The RXTX library can be found from the CD-ROM under /NodeView. To install the library please follow
the instructions included there for your platform. The library and installation instructions are also available
from <http://www.rxtx.org>. The installation includes an RXTXcomm.jar to be placed under the Java
library path. In addition a system-specific library is installed.
Note: RXTX requires you to be a member of groups uucp and lock in *NIX environments
Step 2 – Copy the NodeView-v1.1.jar package
Copy the NodeView-v1.1.jar file to a NodeView directory of your choice from which it can be executed.
NodeView needs no further files to be installed.
Troubleshooting
When in Linux NodeView might crash at startup with errors like:
java: xcb_xlib.c:50: xcb_xlib_unlock: Assertion `c->xlib.lock' failed.
This is a well known bug in either Sun Java or in X11.
Workaround for this:
As root:
sed -i 's/XINERAMA/FAKEEXTN/g' /usr/java/jdk1.6.0_04/jre/lib/i386/xawt/libmawt.so
replace "/usr/java/jdk1.6.0_04" with the path to your Java installation.
4 Usage
To start NodeView double-click on the NodeView-v1.1.jar file in Windows or type
java -jar NodeView-v1.1.jar
in Linux. This will open the “Router view” NodeView tab.

I think I have done all the things asked by the manual. Prior to this instruction, the manual said that to ensure these things:

● Sun Java version 6 or greater required
○ Only the Sun JRE (Java Runtime Environment) is needed for just executing NodeView
● The RXTX v2.1 platform-independent serial library from <http://www.rxtx.org>

I am using root session and the Linux Fedora Core 8. Could anyone please help me to solve this problem. Your help is highly appreciated. Thanks;)