I want to connect to the J2EE engine ,but the error message "java.lang.NullPointerException" is displayed in the console. Please help me ! Thank you !! The full error exception like this:
java.lang.NullPointerException
at com.sap.engine.services.adminadapter.gui.tasks.LoginTask.connectActio
n(LoginTask.java:191)
at com.sap.engine.services.adminadapter.gui.tasks.LoginTask.run(LoginTas
k.java:79)
at java.lang.Thread.run(Thread.java:534)