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

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java.lang.NullPointerException:
at org.mule.tooling.esb.actions.MuleApplicationConfigurationProducer.setupConfigurationFromContext(MuleApplicationConfigurationProducer.java:31)
at org.mule.tooling.esb.actions.MuleApplicationConfigurationProducer.setupConfigurationFromContext(MuleApplicationConfigurationProducer.java:14)
at com.intellij.execution.actions.RunConfigurationProducer.createConfigurationFromContext(RunConfigurationProducer.java:90)
at com.intellij.execution.junit.JavaRunConfigurationProducerBase.createConfigurationFromContext(JavaRunConfigurationProducerBase.java:64)
at com.intellij.execution.actions.RunConfigurationProducer.findOrCreateConfigurationFromContext(RunConfigurationProducer.java:178)
at com.intellij.execution.actions.PreferredProducerFind.getConfigurationsFromContext(PreferredProducerFind.java:107)
at com.intellij.execution.actions.PreferredProducerFind.findConfigurationFromContext(PreferredProducerFind.java:132)
at com.intellij.execution.actions.PreferredProducerFind.createConfiguration(PreferredProducerFind.java:43)
at com.intellij.execution.actions.ConfigurationContext.createConfiguration(ConfigurationContext.java:133)
at com.intellij.execution.actions.ConfigurationContext.getConfiguration(ConfigurationContext.java:124)
at com.intellij.execution.actions.BaseRunConfigurationAction.update(BaseRunConfigurationAction.java:189)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performDumbAwareUpdate(ActionUtil.java:123)
at com.intellij.openapi.actionSystem.impl.Utils.doUpdate(Utils.java:188)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:139)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:164)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:164)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:164)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:164)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:164)
at com.intellij.openapi.actionSystem.impl.Utils.expandActionGroup(Utils.java:86)
at com.intellij.openapi.actionSystem.impl.Utils.fillMenu(Utils.java:280)
at com.intellij.openapi.actionSystem.impl.ActionPopupMenuImpl$MyMenu.show(ActionPopupMenuImpl.java:95)
at com.intellij.openapi.editor.impl.EditorImpl.invokePopupIfNeeded(EditorImpl.java:6999)
at com.intellij.openapi.editor.impl.EditorImpl.access$11300(EditorImpl.java:125)
at com.intellij.openapi.editor.impl.EditorImpl$MyMouseAdapter.runMousePressedCommand(EditorImpl.java:5809)
at java.awt.Component.processMouseEvent(Component.java:6530)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4522)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:863)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:695)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)

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