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

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

Solutions on the web

via Oracle Community by Ognjen Suljagic, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at oracle.jdeveloper.model.ApplicationContent.getInstance(ApplicationContent.java:62)
at oracle.adfmf.common.util.McAppUtils.getApplicationAdfMetaInfUrl(McAppUtils.java:408)
at oracle.adfmf.common.util.McAppUtils.getApplicationXmlURL(McAppUtils.java:371)
at oracle.adfmf.common.util.McAppUtils.getApplicationControllerProject(McAppUtils.java:1984)
at oracle.adfmf.common.util.McAppUtils.getDefinedDataControls(McAppUtils.java:1854)
at oracle.adfmf.amx.util.AMXUtils.registerDataControls(AMXUtils.java:609)
at oracle.adfmf.amx.dt.editor.databinding.AMXXmlContextSetupHook.setup(AMXXmlContextSetupHook.java:69)
at oracle.bali.xml.model.XmlContext.deliverSetupEventHelper(XmlContext.java:1391)
at oracle.bali.xml.model.XmlContext.deliverSetupEventAtXmlContextCreation(XmlContext.java:1342)
at oracle.bali.xml.gui.jdev.JDevXmlContext.deliverSetupEventAtXmlContextCreation(JDevXmlContext.java:834)
at oracle.bali.xml.model.XmlContext._initializeModel(XmlContext.java:326)
at oracle.bali.xml.model.XmlContext._setSourceModel(XmlContext.java:2328)
at oracle.bali.xml.model.XmlContext.setModel(XmlContext.java:346)
at oracle.bali.xml.addin.XMLSourceNode._createAndInitXmlContext(XMLSourceNode.java:1782)
at oracle.bali.xml.addin.XMLSourceNode._getXmlContext(XMLSourceNode.java:1732)
at oracle.bali.xml.addin.XMLSourceNode.getXmlContext(XMLSourceNode.java:192)
at oracle.adfmf.common.util.McAppUtils.getXmlModelFromXmlSourceNode(McAppUtils.java:877)
at oracle.adfmf.amx.dt.editor.PreviewEditor.resolveCellFormatHeight(PreviewEditor.java:790)
at oracle.adfmf.amx.dt.editor.PreviewEditor.updateAMXToStage(PreviewEditor.java:509)
at oracle.adfmf.amx.dt.editor.PreviewEditor.editorShown(PreviewEditor.java:280)
at com.oracle.jdeveloper.nbwindowsystem.editor.SplitPane.riseEditorShown(SplitPane.java:1914)
at com.oracle.jdeveloper.nbwindowsystem.editor.SplitPane.doLayoutBottomTabs(SplitPane.java:757)
at com.oracle.jdeveloper.nbwindowsystem.editor.SplitPane.doLayout(SplitPane.java:615)
at com.oracle.jdeveloper.nbwindowsystem.NbEditorManager.whenCurrentEditorChanges(NbEditorManager.java:1612)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroup.whenCurrentEditorChanges(TabGroup.java:1026)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroup.whenCurrentEditorChanges(TabGroup.java:1021)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroupState.whenCurrentEditorChanges(TabGroupState.java:811)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroupState.setCurrentSplitPanePos(TabGroupState.java:192)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroupState.activateEditor(TabGroupState.java:496)
at com.oracle.jdeveloper.nbwindowsystem.editor.TabGroup.activateEditor(TabGroup.java:464)
at com.oracle.jdeveloper.nbwindowsystem.NbEditorManager.focusEditor(NbEditorManager.java:1476)
at com.oracle.jdeveloper.nbwindowsystem.editor.SplitPane.whenEditorTabMousePressed(SplitPane.java:1523)
at com.oracle.jdeveloper.nbwindowsystem.editor.SplitPane.mousePressed(SplitPane.java:1511)
at java.awt.AWTEventMulticaster.mousePressed(AWTEventMulticaster.java:280)
at java.awt.Component.processMouseEvent(Component.java:6502)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3320)
at java.awt.Component.processEvent(Component.java:6270)
at java.awt.Container.processEvent(Container.java:2229)
at java.awt.Component.dispatchEventImpl(Component.java:4861)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4489)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4422)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:708)
at java.awt.EventQueue$4.run(EventQueue.java:706)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
at oracle.javatools.internal.ui.EventQueueWrapper._dispatchEvent(EventQueueWrapper.java:169)
at oracle.javatools.internal.ui.EventQueueWrapper.dispatchEvent(EventQueueWrapper.java:151)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)

Users with the same issue

You are the first who have seen this exception.

Write tip

Know the solutions? Share your knowledge to help other developers to debug faster.