【问题标题】:ObjectInputStream throwing NotSerializableExceptionObjectInputStream 抛出 NotSerializableException
【发布时间】:2012-06-06 17:40:41
【问题描述】:

我正在尝试使用ObjectInputStream.dat 文件中读取对象数组(称为PWlist)。该数组包含两个不同的对象,LongPWPinPW。当我尝试执行读取时,我得到了这个异常......

java.io.WriteAbortedException: writing aborted; java.io.NotSerializableException: PinPW
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1332)
at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1666)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1322)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:350)
at Handler.fromFile(Handler.java:99)
at Window$ButtonListener.actionPerformed(Window.java:104)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:236)
at java.awt.Component.processMouseEvent(Component.java:6375)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3267)
at java.awt.Component.processEvent(Component.java:6140)
at java.awt.Container.processEvent(Container.java:2083)
at java.awt.Component.dispatchEventImpl(Component.java:4737)
at java.awt.Container.dispatchEventImpl(Container.java:2141)
at java.awt.Component.dispatchEvent(Component.java:4565)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4619)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4280)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4210)
at java.awt.Container.dispatchEventImpl(Container.java:2127)
at java.awt.Window.dispatchEventImpl(Window.java:2482)
at java.awt.Component.dispatchEvent(Component.java:4565)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:684)
at java.awt.EventQueue.access$000(EventQueue.java:85)
at java.awt.EventQueue$1.run(EventQueue.java:643)
at java.awt.EventQueue$1.run(EventQueue.java:641)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:98)
at java.awt.EventQueue$2.run(EventQueue.java:657)
at java.awt.EventQueue$2.run(EventQueue.java:655)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.AccessControlContext$1.doIntersectionPrivilege(AccessControlContext.java:87)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:654)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

有人可以帮我理解什么是错的

【问题讨论】:

  • 我建议少一些错误信息,多一些源代码。
  • 您是否使用 ObjectOutputStream 编写了 .dat 文件?如果没有,这将无法正常工作。
  • 还没有“尝试了所有方法”,否则您会找到下面给出的解决方案。从外观上看,您甚至还没有阅读过 NotSerializableException 的 Javadoc。

标签: java objectinputstream notserializableexception


【解决方案1】:

java.io.NotSerializableException: PinPW 表示 PinPW 类不可序列化,因此 标记您的 PinPW 以实现 Serializable

public class PinPW implements Serializable {

}

【讨论】:

  • 它是:public class PinPW extends Info implements Serializable { } public class longPW extends Info implements Serializable{ }
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