[Php-java-bridge-users] Fatal error: Uncaught exception 'java_RuntimeException' with message 'no Pipe- or SocketContextServer available'

[<php...@li...>]

*I just installed php-java bridge and was testing the *PHP/JAVA bridge
examples came along with javabridge.war and got the following errors. Can
anyone please tell me what this error means.
*
Fatal error*: Uncaught exception 'java_RuntimeException' with message 'no
Pipe- or SocketContextServer available.' in
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc:1166
Stack trace: #0
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(1303):
java_HttpHandler->redirect() #1
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(1333):
java_Protocol->redirect() #2
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(1396):
java_Protocol->finish() #3
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(700):
java_Protocol->invokeEnd() #4
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(1765):
java_Client->invokeMethod(0, 'updateJarLibrar...', Array) #5
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc(91):
java_require(NULL) #6
/opt/SUNWappserver/domains/domain1/applications/j2ee-modu in *
/opt/SUNWappserver/domains/domain1/applications/j2ee-modules/JavaBridge/java/Java.inc
* on line *1166*