when I try to run spark messenger by double clicking on it,
it will pop up in the process but after couple of seconds later it disappears.
java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.jivesoftware.launcher.Startup.start(Startup.java:94)
at org.jivesoftware.launcher.Startup.main(Startup.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at com.exe4j.runtime.LauncherEngine.launch(Unknown Source)
at com.exe4j.runtime.WinLauncher.main(Unknown Source)
at com.install4j.runtime.launcher.WinLauncher.main(Unknown Source)
Caused by: java.lang.NullPointerException
at org.jivesoftware.Spark.setApplicationFont(Spark.java:458)
at org.jivesoftware.Spark.installBaseUIProperties(Spark.java:471)
at org.jivesoftware.Spark.startup(Spark.java:202)
... 13 more
This is the error log I get after running spark.