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

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via jabref by baonn
, 1 year ago
This exception has no message.
via Coderanch by subodh joshi, 1 year ago
via Coderanch by Taraka Ramesh Alamuri, 1 year ago
This exception has no message.
via Coderanch by lokesh rajarathanam, 1 year ago
This exception has no message.
via Coderanch by Srikanth Ganji, 1 year ago
via openxava by ftoliveira
, 1 year ago
This exception has no message.
java.lang.NullPointerException:
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at net.sf.jabref.imports.CustomImportList$Importer.getInstance(CustomImportList.java:127)
at net.sf.jabref.imports.ImportFormatReader.resetImportFormats(ImportFormatReader.java:89)
at net.sf.jabref.imports.ImportCustomizationDialog.addOrReplaceImporter(ImportCustomizationDialog.java:103)
at net.sf.jabref.imports.ImportCustomizationDialog$1.actionPerformed(ImportCustomizationDialog.java:137)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:1995)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2318)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.AWTEventMulticaster.mouseReleased(AWTEventMulticaster.java:272)
at java.awt.Component.processMouseEvent(Component.java:6267)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6032)
at java.awt.Container.processEvent(Container.java:2041)
at java.awt.Component.dispatchEventImpl(Component.java:4630)
at java.awt.Container.dispatchEventImpl(Container.java:2099)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4577)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4238)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4168)
at java.awt.Container.dispatchEventImpl(Container.java:2085)
at java.awt.Window.dispatchEventImpl(Window.java:2478)
at java.awt.Component.dispatchEvent(Component.java:4460)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:599)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)

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