我有一个使用 JPA 的 JSF 项目，我这样做：从 mysql 数据库检索一些数据，然后将数据绘制在图表中。
Locally works pretty fine, as you can see here:
So I deploy the project in my GlassFish 3 Open Source, which is running in a EC2 instance, then I try to make the same operation again but it seems the ManagedBean do not returns to the page correctly:
这是我的 ManageBean ：
@ManagedBean(name="reportc")
@SessionScoped
public class ReportControl implements Serializable {
private static final long serialVersionUID = 3269125738504434502L;
@EJB LogEAO logEAO;
private int quantity;
@NotNull(message="informe um intervalo")
private String time;
@NotNull(message="informe um ponto")
private String point;
private Map<String, Object> data = new HashMap<String, Object>();
@PostConstruct
public void init(){
quantity = 1;
}
public String getDataAsJson() {
return new Gson().toJson(data);
}
public String generateReport(){
this.setTitles();
this.getValues(getLog());
return "/showroom/report.xhtml?faces-redirect=true";
}
.. methods and get's and set's
我已经查看了我的 server.log 以查看是否有问题，但似乎一切正常。
[#|2012-03-31T14:30:06.594+0000|WARNING|glassfish3.1.1|javax.enterprise.resource.webcontainer.jsf.application|_ThreadID=25;_ThreadName=Thread-2;|JSF1064: Unable to find or serve resource, image/structure/pic-1.gif.|#]
[#|2012-03-31T14:30:15.558+0000|FINE|glassfish3.1.1|org.eclipse.persistence.session.file:/home/ec2-user/usr/local/glassfish3/glassfish3/glassfish/domains/domain1/applications/BrainSet/WEB-INF/classes/_BrainSet.sql|_ThreadID=24;_ThreadName=Thread-2;ClassName=null;MethodName=null;|SELECT ID, TIME, VALUE, id_point FROM log WHERE (((id_point = ?) AND (TIME >= ?)) AND (TIME <= ?))
bind => [3 parameters bound]|#]
[#|2012-03-31T14:30:15.585+0000|INFO|glassfish3.1.1|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=24;_ThreadName=Thread-2;|EXECUTION TIME:0:0|#]
[#|2012-03-31T14:30:15.585+0000|INFO|glassfish3.1.1|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=24;_ThreadName=Thread-2;|LOGS SIZE : 0|#]
[#|2012-03-31T14:30:16.690+0000|WARNING|glassfish3.1.1|javax.enterprise.resource.webcontainer.jsf.application|_ThreadID=24;_ThreadName=Thread-2;|JSF1064: Unable to find or serve resource, image/structure/pic-1.gif.|#]
[#|2012-03-31T14:35:53.578+0000|FINE|glassfish3.1.1|org.eclipse.persistence.session.file:/home/ec2-user/usr/local/glassfish3/glassfish3/glassfish/domains/domain1/applications/BrainSet/WEB-INF/classes/_BrainSet.sql|_ThreadID=28;_ThreadName=Thread-2;ClassName=null;MethodName=null;|SELECT ID, TIME, VALUE, id_point FROM log WHERE (((id_point = ?) AND (TIME >= ?)) AND (TIME <= ?))
bind => [3 parameters bound]|#]
[#|2012-03-31T14:35:53.605+0000|INFO|glassfish3.1.1|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=28;_ThreadName=Thread-2;|EXECUTION TIME:0:0|#]
[#|2012-03-31T14:35:53.605+0000|INFO|glassfish3.1.1|javax.enterprise.system.std.com.sun.enterprise.server.logging|_ThreadID=28;_ThreadName=Thread-2;|LOGS SIZE : 0|#]
我真的不知道为什么会发生这种情况，而且这是我第一次尝试部署一个同时使用 JPA 和 JSF 的项目。 这可能是什么做的？
EDIT:还有一件事，在本地模式下，当我单击生成报告时，需要几秒钟的时间才能进入数据库，进行数学计算并返回我的页面，但是当它处于生产模式时，当我单击生成报告时，它只会刷新页面，为什么会发生这种情况？ 我真的需要知道为什么......请帮助我。
EDIT 2:
大家可以在这里在线查看：http://50.19.242.172:8080/BrainSet/showroom/report.xhtml http://50.19.242.172:8080/BrainSet/showroom/report.xhtml
刚刚又玩了一下图表...
我确实正确地获得了图表...难道您一开始就没有在生产中收集数据...？因为现在有
我还收到警报说
serverError：类 javax.faces.el.EvaluationException 对于输入字符串：“true”
检查与图表“下拉菜单”相关的 EL 表达式......
b.t.w here another successful screenshot : 
所以看起来像是工作...您可能需要重新定义您的问题...