java.lang.IllegalArgumentException: Called DataObject.find on null
   at org.openide.loaders.DataObject.find(DataObject.java:555)
   at org.openide.loaders.DataFolder.findFolder(DataFolder.java:540)
   at org.netbeans.modules.db.explorer.driver.JDBCDriverConvertor.create(JDBCDriverConvertor.java:251)
   at org.netbeans.api.db.explorer.JDBCDriverManager.addDriver(JDBCDriverManager.java:159)
   at org.netbeans.modules.derby.DerbyOptions.registerDriver(DerbyOptions.java:351)
   at org.netbeans.modules.derby.DerbyOptions.access$000(DerbyOptions.java:76)
   at org.netbeans.modules.derby.DerbyOptions$1.run(DerbyOptions.java:278)
   at org.openide.filesystems.EventControl.runAtomicAction(EventControl.java:127)
   at org.openide.filesystems.FileSystem.runAtomicAction(FileSystem.java:641)
   at org.openide.filesystems.FileUtil.runAtomicAction(FileUtil.java:431)
   at org.netbeans.modules.derby.DerbyOptions.registerDrivers(DerbyOptions.java:275)
   at org.netbeans.modules.derby.DerbyOptions.setLocation(DerbyOptions.java:192)
   at org.netbeans.modules.derby.DerbyOptions.trySetLocation(DerbyOptions.java:203)
   at org.netbeans.modules.derby.spi.support.DerbySupport.setLocation(DerbySupport.java:78)
   at org.netbeans.modules.glassfish.common.RegisteredDerbyServerImpl.initialize(RegisteredDerbyServerImpl.java:69)
   at org.netbeans.modules.glassfish.javaee.JavaEEServerModuleFactory$1.run(JavaEEServerModuleFactory.java:157)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:1423)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:2033)