java.lang.NullPointerException
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCCatalog.createSchemas(JDBCCatalog.java:126)
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCCatalog.initSchemas(JDBCCatalog.java:171)
        at org.netbeans.modules.db.metadata.model.jdbc.JDBCCatalog.getSyntheticSchema(JDBCCatalog.java:91)
        at org.netbeans.modules.db.metadata.model.api.Catalog.getSyntheticSchema(Catalog.java:91)
        at org.netbeans.modules.db.explorer.node.SchemaNodeProvider$1.run(SchemaNodeProvider.java:101)
        at org.netbeans.modules.db.explorer.node.SchemaNodeProvider$1.run(SchemaNodeProvider.java:97)
        at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.runReadAction(JDBCConnMetadataModel.java:94)
        at org.netbeans.modules.db.metadata.model.api.MetadataModel.runReadAction(MetadataModel.java:89)
        at org.netbeans.modules.db.explorer.node.SchemaNodeProvider.initialize(SchemaNodeProvider.java:96)
        at org.netbeans.api.db.explorer.node.NodeProvider.getNodes(NodeProvider.java:103)
        at org.netbeans.modules.db.explorer.node.NodeRegistry.getNodes(NodeRegistry.java:164)
Caused: org.openide.util.RequestProcessor$SlowItem: task failed due to: java.lang.NullPointerException
        at org.openide.util.RequestProcessor$Task.schedule(RequestProcessor.java:655)
        at org.openide.nodes.AsynchChildren.refresh(AsynchChildren.java:121)
        at org.openide.nodes.ChildFactory.refresh(ChildFactory.java:160)
        at org.netbeans.api.db.explorer.node.ChildNodeFactory.refresh(ChildNodeFactory.java:74)
        at org.netbeans.api.db.explorer.node.BaseNode.update(BaseNode.java:251)
        at org.netbeans.api.db.explorer.node.BaseNode$1.stateChanged(BaseNode.java:198)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:130)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:116)
        at org.netbeans.modules.db.explorer.node.NodeRegistry.stateChanged(NodeRegistry.java:179)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:130)
        at org.openide.util.ChangeSupport.fireChange(ChangeSupport.java:116)
        at org.netbeans.api.db.explorer.node.NodeProvider.setProxyNodes(NodeProvider.java:171)
        at org.netbeans.modules.db.explorer.node.CatalogNodeProvider$1.run(CatalogNodeProvider.java:127)
        at org.netbeans.modules.db.explorer.node.CatalogNodeProvider$1.run(CatalogNodeProvider.java:96)
        at org.netbeans.modules.db.metadata.model.JDBCConnMetadataModel.runReadAction(JDBCConnMetadataModel.java:94)
        at org.netbeans.modules.db.metadata.model.api.MetadataModel.runReadAction(MetadataModel.java:89)
        at org.netbeans.modules.db.explorer.node.CatalogNodeProvider.initialize(CatalogNodeProvider.java:95)
        at org.netbeans.api.db.explorer.node.NodeProvider.getNodes(NodeProvider.java:103)
        at org.netbeans.modules.db.explorer.node.NodeRegistry.getNodes(NodeRegistry.java:164)
        at org.netbeans.api.db.explorer.node.ChildNodeFactory.createKeys(ChildNodeFactory.java:104)
        at org.openide.nodes.AsynchChildren.run(AsynchChildren.java:173)
        at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:602)
        at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:1084)