我有一個包含一個Notes文檔的XPage。本頁面的目的只是爲了顯示文件的一些相關領域。XPAges:「java.io.NotSerializableException:lotus.domino.local.Document」
第一次訪問頁面是好的。也是後來又顯示當不改變墊層文件就可以了。
但是,當我從這個導航到另一個XPage中,並更改文件存在(是的,我有致力於編輯文檔的另一頁),然後再回到「秀」頁面中,我得到了java.io.NotSerializableException
在渲染響應階段。
奇怪:它是一個lotus.domino.local.Document
...我從來沒有想保存/序列化文檔...:-o
我所做找到我的代碼的bug:
- 我登錄了viewScope內容在beforeRenderResponse頁面的事件,但只有簡單的對象(字符串和布爾值)。
- 我設置頁面,以「
nostate
」視圖狀態。 - 我將頁面的只讀屬性設置爲「
true
」。 - 我刪除了所有的「在頁面加載」數據綁定(切換到「
${...}
」到「#{...}
」)
所以,我還能做些什麼來找到的代碼點,其中一些類型的文檔想要被保存? 在這種情況下,典型的錯誤原因是什麼?
感謝您的幫助,以幫助自己! :-)
我的堆棧跟蹤:
23.11.16 10:30: Exception Thrown
Context Path: /.../.../myApp.nsf
Page Name: /page_ShowData.xsp
com.ibm.xsp.FacesExceptionEx: java.io.NotSerializableException: lotus.domino.local.Document
at com.ibm.xsp.application.AbstractStateManager.saveSerializedView(AbstractStateManager.java:121)
at com.ibm.xsp.application.StateManagerImpl.saveSerializedView(StateManagerImpl.java:152)
at com.ibm.xsp.application.ViewHandlerExImpl._saveViewState(ViewHandlerExImpl.java:455)
at com.ibm.xsp.application.ViewHandlerExImpl.saveViewState(ViewHandlerExImpl.java:449)
at com.ibm.xsp.application.ViewHandlerExImpl._renderView(ViewHandlerExImpl.java:324)
at com.ibm.xsp.application.ViewHandlerExImpl.renderView(ViewHandlerExImpl.java:336)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:103)
at com.sun.faces.lifecycle.LifecycleImpl.phase(LifecycleImpl.java:210)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:120)
at com.ibm.xsp.controller.FacesControllerImpl.render(FacesControllerImpl.java:270)
at com.ibm.xsp.webapp.FacesServlet.serviceView(FacesServlet.java:261)
at com.ibm.xsp.webapp.FacesServletEx.serviceView(FacesServletEx.java:157)
at com.ibm.xsp.webapp.FacesServlet.service(FacesServlet.java:160)
at com.ibm.xsp.webapp.FacesServletEx.service(FacesServletEx.java:138)
at com.ibm.xsp.webapp.DesignerFacesServlet.service(DesignerFacesServlet.java:103)
at com.ibm.designer.runtime.domino.adapter.ComponentModule.invokeServlet(ComponentModule.java:588)
at com.ibm.domino.xsp.module.nsf.NSFComponentModule.invokeServlet(NSFComponentModule.java:1335)
at com.ibm.designer.runtime.domino.adapter.ComponentModule$AdapterInvoker.invokeServlet(ComponentModule.java:865)
at com.ibm.designer.runtime.domino.adapter.ComponentModule$ServletInvoker.doService(ComponentModule.java:808)
at com.ibm.designer.runtime.domino.adapter.ComponentModule.doService(ComponentModule.java:577)
at com.ibm.domino.xsp.module.nsf.NSFComponentModule.doService(NSFComponentModule.java:1319)
at com.ibm.domino.xsp.module.nsf.NSFService.doServiceInternal(NSFService.java:662)
at com.ibm.domino.xsp.module.nsf.NSFService.doService(NSFService.java:482)
at com.ibm.designer.runtime.domino.adapter.LCDEnvironment.doService(LCDEnvironment.java:357)
at com.ibm.designer.runtime.domino.adapter.LCDEnvironment.service(LCDEnvironment.java:313)
at com.ibm.domino.xsp.bridge.http.engine.XspCmdManager.service(XspCmdManager.java:272)
Caused by: java.io.NotSerializableException: lotus.domino.local.Document
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1185)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
at java.util.ArrayList.writeObject(ArrayList.java:728)
at sun.reflect.GeneratedMethodAccessor652.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1059)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1502)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1433)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179)
at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:346)
at java.util.HashMap.writeObject(HashMap.java:942)
at sun.reflect.GeneratedMethodAccessor637.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:611)
at java.io.ObjectStreamClass.invokeWriteObject(ObjectStreamClass.java:1059)
at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1502)
at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1433)
at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1179)
at java.io.ObjectOutputStream.writeUnshared(ObjectOutputStream.java:413)
at com.ibm.xsp.application.AbstractSerializingStateManager$FastObjectOutputStream.writeObjectEx(AbstractSerializingStateManager.java:438)
at com.ibm.xsp.application.AbstractSerializingStateManager$FastObjectOutputStream.writeObjectEx(AbstractSerializingStateManager.java:417)
at com.ibm.xsp.application.AbstractSerializingStateManager$FastObjectOutputStream.writeObjectEx(AbstractSerializingStateManager.java:417)
at com.ibm.xsp.application.AbstractSerializingStateManager$FastObjectOutputStream.writeObjectEx(AbstractSerializingStateManager.java:417)
at com.ibm.xsp.application.AbstractSerializingStateManager$FastObjectOutputStream.writeObjectEx(AbstractSerializingStateManager.java:417)
at com.ibm.xsp.application.AbstractSerializingStateManager.saveSerializedView(AbstractSerializingStateManager.java:294)
at com.ibm.xsp.application.AbstractSerializingStateManager.doSaveSerializedView(AbstractSerializingStateManager.java:269)
at com.ibm.xsp.application.FileStateManager.doSaveSerializedView(FileStateManager.java:290)
at com.ibm.xsp.application.FileStateManager.doSaveSerializedView(FileStateManager.java:270)
at com.ibm.xsp.application.AbstractStateManager.saveSerializedView(AbstractStateManager.java:114)
... 25 more
我page_ShowData.xsp:
<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core" pageTitle="Show Data"
xmlns:xc="http://www.ibm.com/xsp/custom"
xmlns:xe="http://www.ibm.com/xsp/coreex" readonly="true"
viewState="nostate"
afterPageLoad="#{javascript:print('page_ShowData.afterPageLoad()');}">
<!-- ... -->
<xp:this.data>
<xp:dominoDocument var="stamm" formName="Masterdata" ignoreRequestParams="false">
<xp:this.action>
<![CDATA[#{javascript:
// ensure to set the unid if known
if (viewScope.stammid == null){
viewScope.stammid = param.get('documentId');
}
if(typeof viewScope.stammid == "undefined" || viewScope.stammid == null || viewScope.stammid == ""){
return; // empty means 'create'
} else {
return 'openDocument';
}
}]]>
</xp:this.action>
<xp:this.documentId>
<![CDATA[#{javascript:return viewScope.stammid;}]]>
</xp:this.documentId>
<xp:this.postOpenDocument>
<![CDATA[#{javascript:
<!-- set some viewScope vars -->
}]]>
</xp:this.postOpenDocument>
<xp:this.postNewDocument>
<![CDATA[#{javascript:
<!-- set some viewScope vars -->
}]]>
</xp:this.postNewDocument>
</xp:dominoDocument>
</xp:this.data>
<!-- ... -->
<xp:this.beforeRenderResponse>
<![CDATA[#{javascript:
try{
// print all viewScope vars
var vsKeys:java.util.Set = viewScope.keySet();
for (var k in vsKeys){
var v = viewScope.get(k);
print('viewScope - ['+k.toString()+'] (serializable='+(k instanceof java.io.Serializable)+') = ['+v+'] (instance='+(typeof v)+', serializable='+(v instanceof java.io.Serializable)+')');
}
}]]>
</xp:this.beforeRenderResponse>
<!-- some UI content -->
</xp:view>
好了,感謝您的評論。我已經知道我不能將NotesDocument存儲在範圍變量中。這就是爲什麼我將viewScope vars作爲查找錯誤的第一步。但所有的變量都是布爾值或字符串......實際上,我不想保存或緩存文檔。問題是,如何找到將文檔放入範圍的代碼片段......但是您提供了一個很好的提示:我只查看了我的_target_頁面(只讀的頁面),也許我必須查看我的_source_頁面(可編輯的)。我稍後會在這裏寫下我的結果...... – Reeny
是否有可能它可能是某個UIControl或DataSource具有可解析爲NotesDocument的計算屬性?即而不是範圍變量。 也許一個線索是,writeObjectEx在它的第6次遞歸中,所以想一想在範圍/控制樹中大約6深處的東西。你是否100%確定錯誤來自於顯示頁面?如果您從編輯頁面切換回來,編輯頁面是否會被序列化? –
所以。你們都是對的:錯誤來自_target_頁面。有一位同事進行了自定義控制。他有一個NotesDocument作爲(計算)的數據源。他發現了這個錯誤,並在我跳出窗前向我報告:-)感謝您的幫助! – Reeny