我正在尝试使用 javafx FileChooser 打开一个 fileChooser 我正在通过控制器为 FXML 按钮分配一个侦听器，应用程序加载正常，但是当我单击该按钮时，文件选择器随即打开，随后立即崩溃。
这让我发疯，我认为这与从 java 中实现 xcode 接口有关，但是我完全迷失了这一点。
在使用 JavaFx 时是否已经遇到过这种情况？
我的堆栈跟踪是：
012-12-06 23:24:02.732 java[16800:707] Invalid parameter not satisfying: cgsEvent.type > 0 && cgsEvent.type <= kCGSLastEventType
2012-12-06 23:24:02.733 java[16800:707] (
0 CoreFoundation 0x00007fff8b8c20a6 __exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff858393f0 objc_exception_throw + 43
2 CoreFoundation 0x00007fff8b8c1ee8 +[NSException raise:format:arguments:] + 104
3 Foundation 0x00007fff89f926a2 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 189
4 AppKit 0x00007fff85d5356c -[NSEvent _initWithCGSEvent:eventRef:] + 2782
5 AppKit 0x00007fff85fd43ea +[NSEvent eventWithCGEvent:] + 243
6 libglass.dylib 0x00000001630e300f listenTouchEvents + 31
7 CoreGraphics 0x00007fff8be07115 processEventTapData + 150
8 CoreGraphics 0x00007fff8be06f68 _CGYPostEventTapData + 189
9 CoreGraphics 0x00007fff8be0c26a _XPostEventTapData + 107
10 CoreGraphics 0x00007fff8be0c362 CGYEventTap_server + 106
11 CoreGraphics 0x00007fff8be07056 eventTapMessageHandler + 30
12 CoreFoundation 0x00007fff8b831410 __CFMachPortPerform + 288
13 CoreFoundation 0x00007fff8b8312d9 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
14 CoreFoundation 0x00007fff8b831019 __CFRunLoopDoSource1 + 153
15 CoreFoundation 0x00007fff8b86419f __CFRunLoopRun + 1775
16 CoreFoundation 0x00007fff8b8636b2 CFRunLoopRunSpecific + 290
17 HIToolbox 0x00007fff882d40a4 RunCurrentEventLoopInMode + 209
18 HIToolbox 0x00007fff882d3d84 ReceiveNextEventCommon + 166
19 HIToolbox 0x00007fff882d3cd3 BlockUntilNextEventMatchingListInMode + 62
20 AppKit 0x00007fff85c74613 _DPSNextEvent + 685
21 AppKit 0x00007fff85c73ed2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
22 libglass.dylib 0x00000001630ce8c3 +[GlassApplication enterNestedEventLoopWithEnv:] + 163
23 libglass.dylib 0x00000001630d24d3 -[DialogDispatcher runModal] + 163
24 Foundation 0x00007fff8a012220 -[NSObject(NSThreadPerformAdditions) performSelector:onThread:withObject:waitUntilDone:modes:] + 212
25 Foundation 0x00007fff8a0120c8 -[NSObject(NSThreadPerformAdditions) performSelectorOnMainThread:withObject:waitUntilDone:] + 131
26 libglass.dylib 0x00000001630d29c5 Java_com_sun_glass_ui_mac_MacCommonDialogs__1showFileOpenChooser + 981
27 ??? 0x0000000101dc3f90 0x0 + 4326178704
)
2012-12-06 23:24:02.734 java[16800:707] *** Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Invalid parameter not satisfying: cgsEvent.type > 0 && cgsEvent.type <= kCGSLastEventType'
首先抛出调用堆栈：
(
0 CoreFoundation 0x00007fff8b8c20a6 __exceptionPreprocess + 198
1 libobjc.A.dylib 0x00007fff858393f0 objc_exception_throw + 43
2 CoreFoundation 0x00007fff8b8c1ee8 +[NSException raise:format:arguments:] + 104
3 Foundation 0x00007fff89f926a2 -[NSAssertionHandler handleFailureInMethod:object:file:lineNumber:description:] + 189
4 AppKit 0x00007fff85d5356c -[NSEvent _initWithCGSEvent:eventRef:] + 2782
5 AppKit 0x00007fff85fd43ea +[NSEvent eventWithCGEvent:] + 243
6 libglass.dylib 0x00000001630e300f listenTouchEvents + 31
7 CoreGraphics 0x00007fff8be07115 processEventTapData + 150
8 CoreGraphics 0x00007fff8be06f68 _CGYPostEventTapData + 189
9 CoreGraphics 0x00007fff8be0c26a _XPostEventTapData + 107
10 CoreGraphics 0x00007fff8be0c362 CGYEventTap_server + 106
11 CoreGraphics 0x00007fff8be07056 eventTapMessageHandler + 30
12 CoreFoundation 0x00007fff8b831410 __CFMachPortPerform + 288
13 CoreFoundation 0x00007fff8b8312d9 __CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE1_PERFORM_FUNCTION__ + 41
14 CoreFoundation 0x00007fff8b831019 __CFRunLoopDoSource1 + 153
15 CoreFoundation 0x00007fff8b86419f __CFRunLoopRun + 1775
16 CoreFoundation 0x00007fff8b8636b2 CFRunLoopRunSpecific + 290
17 HIToolbox 0x00007fff882d40a4 RunCurrentEventLoopInMode + 209
18 HIToolbox 0x00007fff882d3d84 ReceiveNextEventCommon + 166
19 HIToolbox 0x00007fff882d3cd3 BlockUntilNextEventMatchingListInMode + 62
20 AppKit 0x00007fff85c74613 _DPSNextEvent + 685
21 AppKit 0x00007fff85c73ed2 -[NSApplication nextEventMatchingMask:untilDate:inMode:dequeue:] + 128
22 libglass.dylib 0x00000001630ce8c3 +[GlassApplication enterNestedEventLoopWithEnv:] + 163
23 libglass.dylib 0x00000001630d24d3 -[DialogDispatcher runModal] + 163
24 Foundation 0x00007fff8a012220 -[NSObject(NSThreadPerformAdditions) performSelector:onThread:withObject:waitUntilDone:modes:] + 212
25 Foundation 0x00007fff8a0120c8 -[NSObject(NSThreadPerformAdditions) performSelectorOnMainThread:withObject:waitUntilDone:] + 131
26 libglass.dylib 0x00000001630d29c5 Java_com_sun_glass_ui_mac_MacCommonDialogs__1showFileOpenChooser + 981
27 ??? 0x0000000101dc3f90 0x0 + 4326178704
)
libc++abi.dylib: terminate called throwing an exception
控制器代码是：
public class AppController implements Initializable {
@FXML
private TableView<Transactions> tableTranactions;
@FXML
private TableColumn<Transactions, Integer> accountID;
@FXML
private TableColumn<Transactions, String> colTranDate;
@FXML
private TableColumn<Transactions, String> colDescription;
@FXML
private TableColumn<Transactions, Double> colAmount;
@FXML
private TableColumn<Transactions, Integer> colCompany;
@FXML
private TableColumn<Transactions, String> colTransType;
@FXML
private Button btnClear;
@FXML
private Button btnFileChoose;
@FXML
private LineChart<String, Double> chartLineSpendingByMonth;
@FXML
private Pane paneGraph;
@FXML
private Pane paneGraphWeek;
@FXML
private Pane paneAddRecord;
@FXML
private PieChart pieSpendingCatalogue;
@FXML
private Label lblTransactions;
@FXML
private TextField txtFilePath;
@Override
public void initialize(URL arg0, ResourceBundle arg1) {
// TODO Auto-generated method stub
System.out.println("starting application");
showTransactions();
btnFileChoose.setOnAction(new EventHandler<ActionEvent>() {
/**
WHAT IS CAUSING THIS CODE SEGMENT TO FAIL??? **/
@Override
public void handle(ActionEvent event) {
FileChooser fileChooser = new FileChooser();
fileChooser.setTitle("Select File");
//Set extension filter
FileChooser.ExtensionFilter extFilter =
new FileChooser.ExtensionFilter("CSV", ".csv");
fileChooser.getExtensionFilters().add(extFilter);
//Show open file dialog
File file = fileChooser.showOpenDialog(null);
if(file!=null)
txtFilePath.setText(file.getPath());
}
});
}
@FXML
private void showTransactions()
{
hideAll();
tableTranactions.setVisible(true);
btnClear.setVisible(true);
accountID.setCellValueFactory(new PropertyValueFactory<Transactions, Integer>("accountid"));
colTranDate.setCellValueFactory(new PropertyValueFactory<Transactions, String>("tranDate"));
colDescription.setCellValueFactory(new PropertyValueFactory<Transactions, String>("descrip"));
colAmount.setCellValueFactory(new PropertyValueFactory<Transactions, Double>("amount"));
colCompany.setCellValueFactory(new PropertyValueFactory<Transactions, Integer>("comid"));
colTransType.setCellValueFactory(new PropertyValueFactory<Transactions, String>("transType"));
updateTransactionData();
}
public void hideAll()
{
tableTranactions.setVisible(false);
btnClear.setVisible(false);
paneGraph.setVisible(false);
paneGraphWeek.setVisible(false);
paneAddRecord.setVisible(false);
}
public void clearTable()
{
ObservableList<Transactions> data = tableTranactions.getItems();
data.removeAll(data);
}
public void updateTransactionData()
{
TransactionDAO trans = new TransactionDAO();
ObservableList<Transactions> data = tableTranactions.getItems();
data.addAll(trans.getAll());
}
public void showAddRecord()
{
hideAll();
paneAddRecord.setVisible(true);
}
public void showHistoric()
{
hideAll();
CatalogueSpendingDAO catalogue = new CatalogueSpendingDAO();
ObservableList<PieChart.Data> data = pieSpendingCatalogue.getData();
ObservableList<CatalogueSpending_total> values = catalogue.getTotal();
data.removeAll(data);
for(CatalogueSpending_total i : values)
{
data.add(new PieChart.Data(i.getDescription(), i.getTotal()));
}
// start adding line chart
ObservableList<XYChart.Series<String, Double>> spendingByMonthData = chartLineSpendingByMonth.getData();
Boolean add = false;
if(spendingByMonthData.size() > 0)
spendingByMonthData.removeAll(spendingByMonthData);
XYChart.Series<String, Double> series = (spendingByMonthData.size() > 0 ? spendingByMonthData.get(0): null);
if(series == null)
{
series = new XYChart.Series<String, Double>();
add = true;
}
SpendingByMonthDAO spendingByMonthDAO = new SpendingByMonthDAO();
ObservableList<SpendingByMonth> spendingByMonthDatabase = spendingByMonthDAO.getTotal();
for(SpendingByMonth i : spendingByMonthDatabase)
{
series.getData().add(new XYChart.Data<String, Double>(i.getDate(), i.getTotal()));
}
spendingByMonthData.size();
spendingByMonthData.add(0,series);
pieSpendingCatalogue.animatedProperty();
paneGraph.setVisible(true);
}
public void showWeeklyCharts()
{
hideAll();
//TODO populate the graphs here
paneGraphWeek.setVisible(true);
}
}
系统信息
- java 版本：Java(TM) SE Runtime Environment (build 1.7.0_09-b05)
- 操作系统：OS X 10.8.2