Changing port is giving issue

[Akib Sayyed]

I tried to change shell port in SS7 SGW. it was 3435 i changed it to 3436 but i am getting following error

13:42:42,341 INFO  [LinksetManagerImpl] Started LinksetManager
13:42:42,366 INFO  [ShellServer] Starting SS7 management shell environment
13:42:42,373 INFO  [ShellServer] ShellExecutor listening at /192.168.131.156:3435
13:42:42,414 INFO  [ShellServer] Stopped ShellExecutor service
13:42:42,486 INFO  [SelectorThread] SelectorThread for Management=SCTPManagement stopped.
Exception in thread "main" java.lang.IllegalStateException: DialogicLinksetFactory is already installed.
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:716)
    at org.jboss.dependency.plugins.AbstractController.install(AbstractController.java:540)
    at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBean(AbstractKernelDeployer.java:319)
    at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deployBeans(AbstractKernelDeployer.java:297)
    at org.jboss.kernel.plugins.deployment.AbstractKernelDeployer.deploy(AbstractKernelDeployer.java:130)
    at org.jboss.kernel.plugins.deployment.BasicKernelDeployer.deploy(BasicKernelDeployer.java:76)
    at org.jboss.kernel.plugins.deployment.xml.BasicXMLDeployer.deploy(BasicXMLDeployer.java:88)
    at org.jboss.kernel.plugins.deployment.xml.BasicXMLDeployer.deploy(BasicXMLDeployer.java:158)
    at org.mobicents.ss7.sgw.boot.MainDeployer.start(MainDeployer.java:124)
    at org.mobicents.ss7.sgw.boot.Main.start(Main.java:225)
    at org.mobicents.ss7.sgw.boot.Main.boot(Main.java:218)
    at org.mobicents.ss7.sgw.boot.Main.main(Main.java:81)