java.lang.NullPointerException
   at java.io.FileInputStream.<init>(FileInputStream.java:130)
   at org.netbeans.modules.derby.Util.extractZip(Util.java:0)
   at org.netbeans.modules.derby.DerbyDatabasesImpl.extractSampleDatabase(DerbyDatabasesImpl.java:0)
   at org.netbeans.modules.derby.DerbyDatabasesImpl.createSampleDatabase(DerbyDatabasesImpl.java:0)
   at org.netbeans.modules.derby.api.DerbyDatabases.createSampleDatabase(DerbyDatabases.java:0)
   at org.netbeans.modules.glassfish.spi.RegisterDatabase$1.run(RegisterDatabase.java:108)
   at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:0)
   at org.netbeans.modules.openide.util.GlobalLookup.execute(GlobalLookup.java:0)
   at org.openide.util.lookup.Lookups.executeWith(Lookups.java:0)
   at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:0)