今天晚上,當我拖放一個早上運行良好的項目時,我仍然會收到數千個這樣的錯誤。我有140個類,我不能跟蹤我所做的所有修改:(但我從來沒有改變任何與拖放功能相關的東西。我已經完全遠離代碼中的這一行,拋出這些。例外 這是我的代碼的一部分導致異常:無關的java.io.NotSerializableException總是引用相同的代碼行
Object obj = ts.getTransferable().getTransferData(TransferableProductJob.PRODUCTJOB_DATA_FLAVOR);
我已經從該行的堆棧跟蹤的追查:
at View.panels.WaitingListJPanel$JListTransferHandler.importData(WaitingListJPanel.java:209)
完整的堆棧跟蹤是:
dic 10, 2013 12:21:45 AM View.panels.WaitingListJPanel$JListTransferHandler importData
SEVERE: null
java.io.NotSerializableException: View.panels.BarsJPanel$1
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1180)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
at java.util.ArrayList.writeObject(ArrayList.java:710)
at sun.reflect.GeneratedMethodAccessor3.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:601)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:975)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1480)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1528)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1493)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1416)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1174)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
at sun.awt.datatransfer.TransferableProxy.getTransferData(TransferableProxy.java:83)
at java.awt.dnd.DropTargetContext$TransferableProxy.getTransferData(DropTargetContext.java:376)
at View.panels.WaitingListJPanel$JListTransferHandler.importData(WaitingListJPanel.java:209)
at javax.swing.TransferHandler$DropHandler.drop(TransferHandler.java:1536)
at java.awt.dnd.DropTarget.drop(DropTarget.java:450)
at javax.swing.TransferHandler$SwingDropTarget.drop(TransferHandler.java:1274)
at sun.awt.dnd.SunDropTargetContextPeer.processDropMessage(SunDropTargetContextPeer.java:537)
at sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchDropEvent(SunDropTargetContextPeer.java:851)
at sun.awt.dnd.SunDropTargetContextPeer$EventDispatcher.dispatchEvent(SunDropTargetContextPeer.java:775)
at sun.awt.dnd.SunDropTargetEvent.dispatch(SunDropTargetEvent.java:48)
at java.awt.Component.dispatchEventImpl(Component.java:4716)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4832)
at java.awt.LightweightDispatcher.processDropTargetEvent(Container.java:4566)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4417)
at java.awt.Container.dispatchEventImpl(Container.java:2273)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:723)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:682)
at java.awt.EventQueue$3.run(EventQueue.java:680)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:696)
at java.awt.EventQueue$4.run(EventQueue.java:694)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:693)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:244)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:163)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:151)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:147)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:139)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:97)
個
我attemps:
- 我做這些都表明這個 異常短暫的所有類引用或我讓他們的序列化的一個子類(也許 它是超過40類完成)
- 有時。我有一個錯誤 說不是一個有效的類構造函數,在這種情況下,我添加了一個 受保護的默認構造函數。所以我繼續對其他類有以上 例外。
- 新的Attemp:我試圖刪除barJPanel和所有相關的類,我看到異常消失,但DnD已停止工作。這很令人傷心,因爲我沒有改變DnD部分的任何代碼。我認爲它在一些類中使用默認構造函數創建新對象時很愚蠢。我的構造函數很複雜,我想知道Java如何使用默認構造函數來操作類。
順便說一下。
- 所有序列化類在我的應用程序有自己的serialVersionUID
- 我從來沒有使用在整個應用程序直接或間接相關的系列化什麼。所以不要問我的代碼。這都是JVM。
主要問題是我無法繼續我的嘗試,因爲BarsJPanel是可序列化的,因爲它是JPanel的子類,並且使其暫時不能解決任何問題。
添加匿名類代碼:(GalvanicMachine是序列化)
galvanicMachine.addProductJobsListener(new IProductJobsListener() {
@Override
public void productJobAdded(ProductJob pj) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
reconstructPanelMap();
}
});
}
@Override
public void productJobRemoved(ProductJob pj) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
reconstructPanelMap();
}
});
}
});
'View.panels.BarsJPanel $ 1'是'View.panels.BarsJPanel'的一個_anonymous內部類,***不是***的子類,它想要序列化但本身不是可序列化的。 –
我只有一個匿名類,它是一個Listener!我不認爲讓聽衆可串行化是一個好主意。 swing是否將所有監聽器序列化。爲什麼我在創建匿名偵聽器類作爲偵聽器時不會收到任何警告? – Johnny
如果對匿名實例的引用存儲在'BarsJPanel'的成員中,那麼當串行化BarsJPanel時,它將被序列化。標記該參考瞬態。 –