後回數據我使用Eclipse 3.7 GAE撐着發展。我的應用程序使用JSF和數據存儲,並設置爲每https://sites.google.com/a/wildstartech.com/adventures-in-java/Java-Platform-Enterprise-Edition/JavaServer-Faces/javaserver-faces-20/configuring-javaserver-faces-20-to-run-on-the-google-appengine。在我的開發系統中,它運行良好。但是,當部署到GAE中,SessionScoped豆在失去後回的數據:SessionScoped豆失去了對谷歌的AppEngine
// Input facelet
<h:outputLabel for="popupCal">Date </h:outputLabel>
<p:calendar value="#{editEntry.current.date1}" id="popupCal" />
<h:outputLabel for="code">Code </h:outputLabel>
<h:inputText id="code" value="#{editEntry.current.accountCode}"/>
<h:outputLabel for="amt">Amount </h:outputLabel>
<h:inputText id="amt" value="#{editEntry.current.amountInDollars}"/>
<h:commandButton action="#{editEntry.createCashExpenditure}" value="Create Entry"/>
@ManagedBean(name="editEntry")
@SessionScoped
public class EditEntry extends AbstractEntryBean implements Serializable {
@ManagedProperty(value="#{sessionBean}")
protected SessionBean sessionBean;
@ManagedProperty(value="#{dao}")
protected Dao dao;
@PostConstruct
public void init() {
Logger.getLogger(getClass().getName()).log(Level.WARNING, "dao is null? {0}", dao==null);
setTran_id(0L);
entries.clear();
setCurrent(new Entry());
getCurrent().clear();
...
this.refreshEntries();
}
public void refreshEntries() {
entries = dao.getEntries(current.getFinyr(), getTran_id());
Logger.getLogger(getClass().getName()).log(Level.INFO, "entries has {0} items", entries.size());
}
public String createCashExpenditure() {
if (dao == null) {
Logger.getLogger(getClass().getName()).log(Level.WARNING, "dao is null");
return null;
}
entries.clear();
Entry e = new Entry();
e.clear();
e.setAccountCode(current.getAccountCode());
e.setAccountName(dao.lookupAccoutName(e.getAccountCode()));
e.setAmount(current.getAmount());
e.setDate1(current.getDate1());
e.setTran_id(getTran_id());
Key key = dao.saveEntry(e, sessionBean.getFinyr());
e.setId(key.getId());
entries.add(e);
current = e;
this.setTran_id(e.getTran_id());
Logger.getLogger(getClass().getName()).log(Level.INFO, "current account is: {0}", current.getAccountCode());
return "newEntry?faces-redirect=true";
}
...
}
newEntry.xhtml
<p:dataTable id="items" value="#{editEntry.entries}" var="item">
// editEntry.entries is EMPTY!
當EditEntry.createCashExpenditure()被調用時,該日誌顯示填充EditEntry.current正確,並保存到數據存儲區。數據存儲查看器也顯示數據。但在後回,在newEntry.xhtml的facelet,editEntry.entries變空,EditEntry.current失去所有的數據。
我已經到位ForceSessionSerializationPhaseListener在http://java.zacheusz.eu/google-app-engine-http-session-vs-jsf-en/394/日誌中提到表示該監聽器被調用。
在web.xml中,javax.faces.PROJECT_STAGE是生產,
請調查會話cookie流量,並將結果報告。 – BalusC
沒什麼特別的。第一次訪問時,我得到了JSESSIONID;在用Gmail帳戶登錄後,我也得到了ACSID。值和兩個cookie的到期日期之前和業務方法createCashExpenditure後保持不變。 – cpliu338