当关闭glassfish时发生NotSerializableException

Question

由于HtmlSelectOneMenu，当关闭Glassfish（3.1）时，我得到一个NotSerializableException。我在其他控制器bean中使用HtmlSelectOneMenu，但它们没有绑定到支持bean，因为它是这个。只有当服务器上有活动的会话时才会发生这种情况。

如何在启动/停止有界JSF组件的Glassfish时避免异常？

控制器类

@ManagedBean 
@SessionScoped 
... 

public class ActivityController implements Serializable { 
    .. 
    private DataModel<MyObjcet> items = null; 
    private HtmlSelectOneMenu myMenu; 
    ... 

异常

INFO: PWC2785: Cannot serialize session attribute activityController for session a4591e053e65effc743dade67eef 
java.io.NotSerializableException: javax.faces.component.html.HtmlSelectOneMenu 
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164) 
    at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518) 
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483) 
    at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400) 
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158) 
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330) 
    at org.apache.catalina.session.StandardSession.writeObject(StandardSession.java:2067) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) 
    at java.lang.reflect.Method.invoke(Method.java:597) 
    at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:945) 
    at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1469) 
    at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400) 
    at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158) 
    at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330) 
    at org.apache.catalina.session.StandardManager.writeSessions(StandardManager.java:699) 
    at org.apache.catalina.session.StandardManager.doUnloadToFile(StandardManager.java:618) 
    at org.apache.catalina.session.StandardManager.unload(StandardManager.java:589) 
    at org.apache.catalina.session.StandardManager.stop(StandardManager.java:879) 
    at org.apache.catalina.core.StandardContext.stop(StandardContext.java:5509) 
    at com.sun.enterprise.web.WebModule.stop(WebModule.java:529) 
    at org.apache.catalina.core.ContainerBase.removeChild(ContainerBase.java:1049) 
    at com.sun.enterprise.web.WebContainer.unloadWebModule(WebContainer.java:2191) 
    at com.sun.enterprise.web.WebContainer.unloadWebModule(WebContainer.java:2146) 
    at com.sun.enterprise.web.WebApplication.stop(WebApplication.java:151) 
    at org.glassfish.internal.data.EngineRef.stop(EngineRef.java:169) 
    at org.glassfish.internal.data.ModuleInfo.stop(ModuleInfo.java:302) 
    at org.glassfish.internal.data.ApplicationInfo.stop(ApplicationInfo.java:314) 
    at com.sun.enterprise.v3.server.ApplicationLifecycle.unload(ApplicationLifecycle.java:997) 
    at com.sun.enterprise.v3.server.ApplicationLifecycle.disable(ApplicationLifecycle.java:1952) 
    at com.sun.enterprise.v3.server.ApplicationLoaderService.stopApplication(ApplicationLoaderService.java:443) 
    at com.sun.enterprise.v3.server.ApplicationLoaderService.preDestroy(ApplicationLoaderService.java:411) 
    at com.sun.hk2.component.AbstractCreatorInhabitantImpl.dispose(AbstractCreatorInhabitantImpl.java:83) 
    at com.sun.hk2.component.SingletonInhabitant.release(SingletonInhabitant.java:81) 
    at com.sun.hk2.component.EventPublishingInhabitant.release(EventPublishingInhabitant.java:108) 
    at com.sun.hk2.component.LazyInhabitant.release(LazyInhabitant.java:133) 
    at com.sun.enterprise.v3.server.AppServerStartup.stop(AppServerStartup.java:415) 
    at com.sun.enterprise.glassfish.bootstrap.GlassFishImpl.stop(GlassFishImpl.java:88) 
    at com.sun.enterprise.v3.admin.StopServer.doExecute(StopServer.java:70) 
    at com.sun.enterprise.v3.admin.StopDomainCommand.execute(StopDomainCommand.java:95) 
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$1.execute(CommandRunnerImpl.java:355) 
    at com.sun.enterprise.v3.admin.CommandRunnerImpl$2.run(CommandRunnerImpl.java:383) 

Answer 1

让它transient。

private transient HtmlSelectOneMenu myMenu; 

通过这种方式，字段将被跳过（德）序列化。顺便说一句，DataModel也是不可序列化的。

另一方面，将组分直接结合到支撑豆在大多数情况下是一种气味。您应该考虑查看（或询问）一种替代方法，该方法不要求绑定组件到bean。