exc1:

org.apache.derby.client.am.SqlException: Žádné aktuální připojení.
	at org.apache.derby.client.am.DatabaseMetaData.checkForClosedConnectionX(Unknown Source)
Caused: java.sql.SQLTransientConnectionException: Žádné aktuální připojení.
	at org.apache.derby.client.am.SQLExceptionFactory40.getSQLException(Unknown Source)
	at org.apache.derby.client.am.SqlException.getSQLException(Unknown Source)
	at org.apache.derby.client.am.DatabaseMetaData.checkForClosedConnection(Unknown Source)
	at org.apache.derby.client.am.DatabaseMetaData.getTablesX(Unknown Source)
	at org.apache.derby.client.am.DatabaseMetaData.getTables(Unknown Source)
	at org.netbeans.lib.ddl.adaptors.DefaultAdaptor.getTables(DefaultAdaptor.java:3424)
	at org.netbeans.lib.ddl.impl.DriverSpecification.getTables(DriverSpecification.java:137)
	at org.netbeans.modules.db.explorer.infos.TableListNodeInfo.initChildren(TableListNodeInfo.java:93)
Caused: org.netbeans.api.db.explorer.DatabaseException: Žádné aktuální připojení.
	at org.netbeans.modules.db.explorer.infos.TableListNodeInfo.initChildren(TableListNodeInfo.java:113)
	at org.netbeans.modules.db.explorer.infos.DatabaseNodeInfo.loadChildren(DatabaseNodeInfo.java:710)
	at org.netbeans.modules.db.explorer.infos.DatabaseNodeInfo.getChildren(DatabaseNodeInfo.java:698)
	at org.netbeans.modules.db.explorer.nodes.DatabaseNode$DatabaseNodeChildFactory.createKeys(DatabaseNode.java:382)
	at org.openide.nodes.AsynchChildren.run(AsynchChildren.java:147)
	at org.openide.util.RequestProcessor$Task.run(RequestProcessor.java:572)
[catch] at org.openide.util.RequestProcessor$Processor.run(RequestProcessor.java:997)





exc2:

java.lang.NullPointerException
	at org.openide.awt.Mnemonics.findMnemonicAmpersand(Mnemonics.java:169)
	at org.openide.awt.AlwaysEnabledAction.extractCommonAttribute(AlwaysEnabledAction.java:91)
	at org.openide.awt.AlwaysEnabledAction.getValue(AlwaysEnabledAction.java:78)
	at javax.swing.AbstractButton.setMnemonicFromAction(AbstractButton.java:1236)
	at javax.swing.AbstractButton.configurePropertiesFromAction(AbstractButton.java:1140)
	at javax.swing.JMenuItem.configurePropertiesFromAction(JMenuItem.java:359)
	at javax.swing.AbstractButton.setAction(AbstractButton.java:1087)
	at javax.swing.JMenuItem.<init>(JMenuItem.java:122)
	at org.netbeans.modules.editor.NbEditorKit$NbBuildPopupMenuAction.createLocalizedMenuItem(NbEditorKit.java:402)
	at org.netbeans.modules.editor.NbEditorKit$NbBuildPopupMenuAction.addAction(NbEditorKit.java:439)
	at org.netbeans.modules.editor.NbEditorKit$NbBuildPopupMenuAction.buildPopupMenu(NbEditorKit.java:366)
	at org.netbeans.editor.ext.ExtKit$BuildPopupMenuAction.actionPerformed(ExtKit.java:276)
	at org.netbeans.editor.BaseAction.actionPerformed(BaseAction.java:291)
	at org.netbeans.editor.EditorUI.showPopupMenu(EditorUI.java:1730)
[catch] at org.netbeans.editor.EditorUI$6.run(EditorUI.java:1663)
	at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)
	at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)
	at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:104)
	at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:273)
	at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:183)
	at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:173)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:168)
	at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:160)
	at java.awt.EventDispatchThread.run(EventDispatchThread.java:121)