java.lang.NullPointerException: This exception has no message.

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This exception has no message.
java.lang.NullPointerException	at com.m7.wide.eclipse.jstudio.Plugin.A(Unknown Source)	at com.m7.wide.eclipse.jstudio.Plugin.startup(Unknown Source)	at org.eclipse.core.internal.compatibility.PluginActivator.start(PluginActivator.java:31)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl$2.run(BundleContextImpl.java:994)	at java.security.AccessController.doPrivileged(Native Method)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:988)	at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:969)	at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:321)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:266)	at org.eclipse.core.runtime.adaptor.EclipseClassLoader.findLocalClass(EclipseClassLoader.java:112)	at org.eclipse.osgi.framework.internal.core.BundleLoader.findLocalClass(BundleLoader.java:337)	at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:389)	at org.eclipse.osgi.framework.internal.core.BundleLoader.findClass(BundleLoader.java:350)	at org.eclipse.osgi.framework.adaptor.core.AbstractClassLoader.loadClass(AbstractClassLoader.java:74)	at java.lang.ClassLoader.loadClass(Unknown Source)	at org.eclipse.osgi.framework.internal.core.BundleLoader.loadClass(BundleLoader.java:275)	at org.eclipse.osgi.framework.internal.core.BundleHost.loadClass(BundleHost.java:227)	at org.eclipse.osgi.framework.internal.core.AbstractBundle.loadClass(AbstractBundle.java:1259)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:152)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:142)	at org.eclipse.core.internal.registry.ConfigurationElement.createExecutableExtension(ConfigurationElement.java:129)	at org.eclipse.core.internal.registry.ConfigurationElementHandle.createExecutableExtension(ConfigurationElementHandle.java:48)	at org.eclipse.core.internal.events.BuildManager.instantiateBuilder(BuildManager.java:724)	at org.eclipse.core.internal.events.BuildManager.initializeBuilder(BuildManager.java:676)	at org.eclipse.core.internal.events.BuildManager.getBuilder(BuildManager.java:434)	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:200)	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:231)	at org.eclipse.core.internal.runtime.InternalPlatform.run(InternalPlatform.java:1029)	at org.eclipse.core.runtime.Platform.run(Platform.java:775)	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:234)	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:253)	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:282)	at org.eclipse.core.internal.resources.Workspace.build(Workspace.java:211)	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:572)	at org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:515)	at org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:734)	at org.eclipse.debug.internal.ui.DebugUIPlugin$6.run(DebugUIPlugin.java:932)	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:67)