trying to run areca without swt

java version "1.7.0_75"
OpenJDK Runtime Environment (IcedTea 2.5.4) (Arch Linux build 7.u75_2.5.4-1-x86_64)
OpenJDK 64-Bit Server VM (build 24.75-b04, mixed mode)
java.lang.NoClassDefFoundError: org/eclipse/swt/events/FocusListener
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	at com.application.areca.launcher.gui.Launcher.launchImpl(Unknown Source)
	at com.myJava.system.AbstractLauncher.launch(Unknown Source)
	at com.application.areca.launcher.gui.Launcher.main(Unknown Source)
Caused by: java.lang.ClassNotFoundException: org.eclipse.swt.events.FocusListener
	at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
	... 15 more
15-03-08 17:10 - WARNING - Critical error during initialization ... exiting.
15-03-08 17:10 - ERROR - Unexpected error

15-03-08 17:10 - INFO - Closing Areca (force=false)java.lang.NoClassDefFoundError: org/eclipse/swt/events/FocusListener

	at java.lang.ClassLoader.defineClass1(Native Method)15-03-08 17:10 - INFO - Closing Areca (force=false)

	at java.lang.ClassLoader.defineClass(ClassLoader.java:800)15-03-08 17:10 - INFO - Closing Areca (force=false)

	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)