JavaFX TableView: исключение в потоке «Поток приложения JavaFX» java.lang.IndexOutOfBoundsException - PullRequest
0 голосов
/ 04 ноября 2019

Я пытаюсь заполнить JavaFx TableView некоторыми данными из запроса MySQL, выполняемого через JDBC. Раньше у меня не было проблем с заполнением таблицы, пока я не изменил запрос, чтобы выбрать все столбцы в таблице, кроме одного из них. Запрос отлично работает в MySQL Workbench.

Это часть моего кода, отвечающая за заполнение TableView:

ObservableList<ObservableList<String>> data = FXCollections.observableArrayList();
TableView table = new TableView();
// rs is the ResultSet returned by executing the SELECT query that should be filling the table
ResultSetMetaData rsmd = rs.getMetaData();
for(int i = 1; i <= rsmd.getColumnCount(); i++){
    final int j = i; 
    TableColumn col = new TableColumn(rsmd.getColumnLabel(i));
    col.setCellValueFactory(new Callback<CellDataFeatures<ObservableList,String>, ObservableValue<String>>(){
        public ObservableValue<String> call(CellDataFeatures<ObservableList, String> param) {
            // The line below is Main.java:194, the problem source according to the stack trace
            return new SimpleStringProperty(param.getValue().get(j).toString());
        }
    }); 
    table.getColumns().addAll(col); 
}

while(rs.next()){
    ObservableList<String> row = FXCollections.observableArrayList();
for(int i = 1 ; i <= rsmd.getColumnCount(); i++){
    row.add(rs.getString(i));
}
data.add(row);
}
table.setItems(data);`

Трассировка стека указывает, что проблема заключается в строке, указанной всниппет. А вот и трассировка стека:

Exception in thread "JavaFX Application Thread" 
java.lang.IndexOutOfBoundsException: Index: 25, Size: 25
    at java.util.ArrayList.rangeCheck(ArrayList.java:657)
    at java.util.ArrayList.get(ArrayList.java:433)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at socparser.Main$2.call(Main.java:194)
    at socparser.Main$2.call(Main.java:1)
    at javafx.scene.control.TableColumn.getCellObservableValue(TableColumn.java:578)
    at javafx.scene.control.TableColumn.getCellObservableValue(TableColumn.java:563)
    at javafx.scene.control.TableCell.updateItem(TableCell.java:644)
    at javafx.scene.control.TableCell.indexChanged(TableCell.java:468)
    at javafx.scene.control.IndexedCell.updateIndex(IndexedCell.java:116)
    at com.sun.javafx.scene.control.skin.TableViewSkin.resizeColumnToFitContent(TableViewSkin.java:241)
    at com.sun.javafx.scene.control.skin.TableViewSkin.resizeColumnToFitContent(TableViewSkin.java:54)
    at com.sun.javafx.scene.control.skin.TableColumnHeader.doColumnAutoSize(TableColumnHeader.java:531)
    at com.sun.javafx.scene.control.skin.TableColumnHeader.updateScene(TableColumnHeader.java:474)
    at com.sun.javafx.scene.control.skin.TableColumnHeader.handlePropertyChanged(TableColumnHeader.java:314)
    at com.sun.javafx.scene.control.skin.TableColumnHeader.lambda$new$49(TableColumnHeader.java:149)
    at com.sun.javafx.scene.control.MultiplePropertyChangeListenerHandler$1.changed(MultiplePropertyChangeListenerHandler.java:55)
    at javafx.beans.value.WeakChangeListener.changed(WeakChangeListener.java:89)
    at com.sun.javafx.binding.ExpressionHelper$SingleChange.fireValueChangedEvent(ExpressionHelper.java:182)
    at com.sun.javafx.binding.ExpressionHelper.fireValueChangedEvent(ExpressionHelper.java:81)
    at javafx.beans.property.ReadOnlyObjectPropertyBase.fireValueChangedEvent(ReadOnlyObjectPropertyBase.java:74)
    at javafx.beans.property.ReadOnlyObjectWrapper.fireValueChangedEvent(ReadOnlyObjectWrapper.java:102)
    at javafx.scene.Node$ReadOnlyObjectWrapperManualFire.fireSuperValueChangedEvent(Node.java:831)
    at javafx.scene.Node.invalidatedScenes(Node.java:881)
    at javafx.scene.Node.setScenes(Node.java:919)
    at javafx.scene.Parent$1.onChanged(Parent.java:269)
    at com.sun.javafx.collections.TrackableObservableList.lambda$new$29(TrackableObservableList.java:45)
    at com.sun.javafx.collections.ListListenerHelper$Generic.fireValueChangedEvent(ListListenerHelper.java:329)
    at com.sun.javafx.collections.ListListenerHelper.fireValueChangedEvent(ListListenerHelper.java:73)
    at javafx.collections.ObservableListBase.fireChange(ObservableListBase.java:233)
    at javafx.collections.ListChangeBuilder.commit(ListChangeBuilder.java:482)
    at javafx.collections.ListChangeBuilder.endChange(ListChangeBuilder.java:541)
    at javafx.collections.ObservableListBase.endChange(ObservableListBase.java:205)
    at javafx.collections.ModifiableObservableListBase.setAll(ModifiableObservableListBase.java:90)
    at com.sun.javafx.collections.VetoableListDecorator.setAll(VetoableListDecorator.java:116)
    at com.sun.javafx.scene.control.skin.NestedTableColumnHeader.updateContent(NestedTableColumnHeader.java:487)
    at com.sun.javafx.scene.control.skin.NestedTableColumnHeader.updateTableColumnHeaders(NestedTableColumnHeader.java:317)
    at com.sun.javafx.scene.control.skin.NestedTableColumnHeader.checkState(NestedTableColumnHeader.java:544)
    at com.sun.javafx.scene.control.skin.NestedTableColumnHeader.computePrefHeight(NestedTableColumnHeader.java:427)
    at javafx.scene.Parent.prefHeight(Parent.java:929)
    at javafx.scene.layout.Region.prefHeight(Region.java:1435)
    at com.sun.javafx.scene.control.skin.TableHeaderRow.computePrefHeight(TableHeaderRow.java:331)
    at com.sun.javafx.scene.control.skin.TableHeaderRow.computeMinHeight(TableHeaderRow.java:324)
    at javafx.scene.Parent.minHeight(Parent.java:957)
    at javafx.scene.layout.Region.minHeight(Region.java:1401)
    at javafx.scene.control.SkinBase.computeMinHeight(SkinBase.java:254)
    at javafx.scene.control.Control.computeMinHeight(Control.java:489)
    at javafx.scene.Parent.minHeight(Parent.java:957)
    at javafx.scene.layout.Region.minHeight(Region.java:1401)
    at javafx.scene.layout.Region.computeChildPrefAreaHeight(Region.java:1762)
    at javafx.scene.layout.GridPane.computePrefHeights(GridPane.java:1424)
    at javafx.scene.layout.GridPane.layoutChildren(GridPane.java:1690)
    at javafx.scene.Parent.layout(Parent.java:1087)
    at javafx.scene.Scene.doLayoutPass(Scene.java:552)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2397)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$29(Toolkit.java:398)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:397)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:424)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:518)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:498)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulseFromQueue(QuantumToolkit.java:491)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$403(QuantumToolkit.java:319)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
    at java.lang.Thread.run(Thread.java:748)


Exception in thread "JavaFX Application Thread" 
java.lang.IndexOutOfBoundsException: Index: 25, Size: 25
    at java.util.ArrayList.rangeCheck(ArrayList.java:657)
    at java.util.ArrayList.get(ArrayList.java:433)
    at com.sun.javafx.collections.ObservableListWrapper.get(ObservableListWrapper.java:89)
    at socparser.Main$2.call(Main.java:194)
    at socparser.Main$2.call(Main.java:1)
    at javafx.scene.control.TableColumn.getCellObservableValue(TableColumn.java:578)
    at javafx.scene.control.TableColumn.getCellObservableValue(TableColumn.java:563)
    at javafx.scene.control.TableCell.updateItem(TableCell.java:644)
    at javafx.scene.control.TableCell.indexChanged(TableCell.java:468)
    at javafx.scene.control.IndexedCell.updateIndex(IndexedCell.java:116)
    at com.sun.javafx.scene.control.skin.TableRowSkinBase.updateCells(TableRowSkinBase.java:533)
    at com.sun.javafx.scene.control.skin.TableRowSkinBase.init(TableRowSkinBase.java:147)
    at com.sun.javafx.scene.control.skin.TableRowSkin.<init>(TableRowSkin.java:64)
    at javafx.scene.control.TableRow.createDefaultSkin(TableRow.java:212)
    at javafx.scene.control.Control.impl_processCSS(Control.java:872)
    at javafx.scene.Node.processCSS(Node.java:9056)
    at javafx.scene.Node.applyCss(Node.java:9153)
    at com.sun.javafx.scene.control.skin.VirtualFlow.setCellIndex(VirtualFlow.java:1964)
    at com.sun.javafx.scene.control.skin.VirtualFlow.getCell(VirtualFlow.java:1797)
    at com.sun.javafx.scene.control.skin.VirtualFlow.getCellLength(VirtualFlow.java:1879)
    at com.sun.javafx.scene.control.skin.VirtualFlow.computeViewportOffset(VirtualFlow.java:2528)
    at com.sun.javafx.scene.control.skin.VirtualFlow.layoutChildren(VirtualFlow.java:1189)
    at javafx.scene.Parent.layout(Parent.java:1087)
    at javafx.scene.Parent.layout(Parent.java:1093)
    at javafx.scene.Parent.layout(Parent.java:1093)
    at javafx.scene.Scene.doLayoutPass(Scene.java:552)
    at javafx.scene.Scene$ScenePulseListener.pulse(Scene.java:2397)
    at com.sun.javafx.tk.Toolkit.lambda$runPulse$29(Toolkit.java:398)
    at java.security.AccessController.doPrivileged(Native Method)
    at com.sun.javafx.tk.Toolkit.runPulse(Toolkit.java:397)
    at com.sun.javafx.tk.Toolkit.firePulse(Toolkit.java:424)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:518)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulse(QuantumToolkit.java:498)
    at com.sun.javafx.tk.quantum.QuantumToolkit.pulseFromQueue(QuantumToolkit.java:491)
    at com.sun.javafx.tk.quantum.QuantumToolkit.lambda$runToolkit$403(QuantumToolkit.java:319)
    at com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:95)
    at com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
    at com.sun.glass.ui.win.WinApplication.lambda$null$147(WinApplication.java:177)
    at java.lang.Thread.run(Thread.java:748)

1 Ответ

2 голосов
/ 04 ноября 2019

Пожалуйста, попробуйте либо

  • изменить SimpleStringProperty (param.getValue (). Get ( j ). ToString ()) на SimpleStringProperty (param.getValue (). Get( j-1 ). ToString ()) или
  • final int j = i;в финал int j = i - 1;
Добро пожаловать на сайт PullRequest, где вы можете задавать вопросы и получать ответы от других членов сообщества.
...