Question

我有两个无状态会话Bean。调用层次结构就像：

MyClass-＆GT; UserManagerBean - ＆gt; BookManagerBean

MyClass通过JNDI查找远程获取UserManagerBean。反过来，UserManagerBean通过JNDI查找远程获取BookManagerBean。 BookManagerBean正在抛出BookException。

问题： 我可以在从BookManagerBean抛出异常之前看到日志，但是当我在UserManagerBean中捕获此异常时，线程会移动到某个地方并且永远不会出现在UserManagerBean的catch块中。容器似乎吞下了这个例外。这导致了STUCK线程。

注意：令人惊讶的是，相同的代码适用于其他5个WLS实例，但只在一台服务器上出现问题。您是否考虑围绕此问题进行任何weblogic配置？

    public class MyClass {
    public void findBook(Long bookId) throws Exception{
    try{
        UserManagerBean userManager =  (UserManager) JNDIServiceLocator.getInstance().getRemoteObject(jndiName, 'UserManager' );
        userManager.find(bookId);
    }catch (Exception e){
        Log.log("Exception in MyClass.findBook"); // Thread does not come back to this point. This logger is not getting printed
        throw e;
    }

UserManagerBean如下：

 @Stateless(mappedName ="UserManager")
@Remote(UserManager.class)
public class UserManagerBean {
public Book findBook(Long bookId) throws Exception{
    try{
        BookManagerBean bookManager =  (BookManagerBean) JNDIServiceLocator.getInstance().getRemoteObject(jndiName, 'BookManager' );
        bookManager.find(bookId);
    }catch (Exception e){
        Log.log("Exception in UserManagerBean.findBook"); // **** Thread does not come back to this point. This logger is not getting printed

        throw e;
    }
}

BookManagerBean类如下所示：

@Stateless(mappedName ="BookManager")
@Remote(BookManagerBean .class)
public class BookManagerBean {

public Book findBook(Long bookId) throws Exception{
    try{
        //Logic to find Book
    }catch (Exception e){
        Log.log("Exception");
        throw e;
    }
}   

}

这有效： 如果我使用new运算符更改UserManagerBean中的代码以创建bean，我将从BookManagerBean抛出异常。

BookManagerBean bookManager  = new BookManagerBean(); 
bookManager.find(bookId);

Answer 1

您可能必须创建自己的自定义异常并使用

进行注释

javax.ejb.ApplicationException.

-Amit

无状态EJB，异常处理问题，容器吞咽异常

1 个答案: