Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  1. ,

    Thrown when an application is trying to use or access an object whose reference equals to null. You are probably trying to use a reference that points to no location in memory as though it were referencing an object.

Solutions on the web

via Oracle Community by 807581, 1 year ago
java.lang.RuntimeException: SunAS7 login Exception at esteem.ut.db.login.sunas7.LoginManager.login(LoginManager.java:88) at esteem.ut.db.login.sunas7.LoginManager.login(LoginManager.java:48) at esteem.ut.db.session.Environment.<init>(Environment.java:135) at esteem.ut.db.session.Environment.<init>(Environment.java:206) at esteem.ut.dbtest.client.Main.main(Main.java:55) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) at java.lang.reflect.Method.invoke(Method.java:324) at com.sun.javaws.Launcher.executeApplication(Launcher.java:837) at com.sun.javaws.Launcher.executeMainClass(Launcher.java:797) at com.sun.javaws.Launcher.continueLaunch(Launcher.java:675) at com.sun.javaws.Launcher.handleApplicationDesc(Launcher.java:390) at com.sun.javaws.Launcher.handleLaunchFile(Launcher.java:199) at com.sun.javaws.Launcher.run(Launcher.java:167) at java.lang.Thread.run(Thread.java:534)Caused by: javax.naming.NoInitialContextException: Cannot instantiate class: com.sun.enterprise.naming.SerialInitContextFactory [Root exception is java.lang.NullPointerException] at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:652) 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 esteem.ut.db.login.sunas7.LoginManager.login(LoginManager.java:84) ... 15 moreCaused by: java.lang.NullPointerException at java.util.Hashtable.put(Hashtable.java:393) at com.sun.enterprise.naming.SerialInitContextFactory.<init>(SerialInitContextFactory.java:32) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27) at java.lang.reflect.Constructor.newInstance(Constructor.java:274) at java.lang.Class.newInstance0(Class.java:308) at java.lang.Class.newInstance(Class.java:261) at javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:649) ... 19 more