C:\Sun\AppServer\jdk\bin\javaw -classpath "E:\JavaProgram\SessionBean\classes;C:\bea\weblogic700\server\lib\weblogic.jar;C:\bea\weblogic700\server\lib\webservices.jar;C:\Sun\AppServer\jdk\demo\jfc\Java2D\Java2Demo.jar;C:\Sun\AppServer\jdk\demo\plugin\jfc\Java2D\Java2Demo.jar;C:\Sun\AppServer\jdk\jre\javaws\javaws.jar;C:\Sun\AppServer\jdk\jre\lib\charsets.jar;C:\Sun\AppServer\jdk\jre\lib\ext\dnsns.jar;C:\Sun\AppServer\jdk\jre\lib\ext\ldapsec.jar;C:\Sun\AppServer\jdk\jre\lib\ext\localedata.jar;C:\Sun\AppServer\jdk\jre\lib\ext\sunjce_provider.jar;C:\Sun\AppServer\jdk\jre\lib\im\indicim.jar;C:\Sun\AppServer\jdk\jre\lib\im\thaiim.jar;C:\Sun\AppServer\jdk\jre\lib\jce.jar;C:\Sun\AppServer\jdk\jre\lib\jsse.jar;C:\Sun\AppServer\jdk\jre\lib\plugin.jar;C:\Sun\AppServer\jdk\jre\lib\rt.jar;C:\Sun\AppServer\jdk\jre\lib\sunrsasign.jar;C:\Sun\AppServer\jdk\lib\dt.jar;C:\Sun\AppServer\jdk\lib\htmlconverter.jar;C:\Sun\AppServer\jdk\lib\tools.jar"  sessionbean.MathEJBTestClient1 
javax.naming.CommunicationException [Root exception is java.net.ConnectException: t3://10.103.33.250:7001: Destination unreachable; nested exception is: 
java.net.ConnectException: Connection refused: connect; No available router to destination]
at weblogic.jndi.internal.ExceptionTranslator.toNamingException(ExceptionTranslator.java:47)
at weblogic.jndi.WLInitialContextFactoryDelegate.toNamingException(WLInitialContextFactoryDelegate.java:611)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:332)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:221)
at weblogic.jndi.WLInitialContextFactory.getInitialContext(WLInitialContextFactory.java:149)
at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:662)
at javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:243)
at javax.naming.InitialContext.init(InitialContext.java:219)
at javax.naming.InitialContext.<init>(InitialContext.java:195)
at sessionbean.MathEJBTestClient1.getInitialContext(MathEJBTestClient1.java:44)
at sessionbean.MathEJBTestClient1.initialize(MathEJBTestClient1.java:18)
at sessionbean.MathEJBTestClient1.<init>(MathEJBTestClient1.java:12)
at sessionbean.MathEJBTestClient1.main(MathEJBTestClient1.java:63)
Caused by: java.net.ConnectException: t3://10.103.33.250:7001: Destination unreachable; nested exception is: 
java.net.ConnectException: Connection refused: connect; No available router to destination
at weblogic.rjvm.RJVMFinder.findOrCreate(RJVMFinder.java:173)
at weblogic.rjvm.ServerURL.findOrCreateRJVM(ServerURL.java:262)
at weblogic.jndi.WLInitialContextFactoryDelegate.getInitialContext(WLInitialContextFactoryDelegate.java:323)
... 10 more
Unable to connect to WebLogic server at t3://10.103.33.250:7001
Please make sure that the server is running.
java.lang.NullPointerException