HttpSessionRequiredException (Spring Framework 4.3.30.RELEASE API)

java.lang.Object
- java.lang.Throwable
- - java.lang.Exception
  - - javax.servlet.ServletException
    - - org.springframework.web.HttpSessionRequiredException

All Implemented Interfaces:
Serializable
```
public class HttpSessionRequiredException
extends ServletException
```
Exception thrown when an HTTP request handler requires a pre-existing session.
Since:
2.0
Author:
Juergen Hoeller
See Also:
Serialized Form

Constructor Summary

Constructors
Constructor	Description
`HttpSessionRequiredException(String msg)`	Create a new HttpSessionRequiredException.
`HttpSessionRequiredException(String msg, String expectedAttribute)`	Create a new HttpSessionRequiredException.

Method Summary
All Methods Instance Methods Concrete Methods
Modifier and Type Method Description
String getExpectedAttribute()
Return the name of the expected session attribute, if any.
- Methods inherited from class javax.servlet.ServletException
  getRootCause
- Methods inherited from class java.lang.Throwable
  addSuppressed, fillInStackTrace, getCause, getLocalizedMessage, getMessage, getStackTrace, getSuppressed, initCause, printStackTrace, printStackTrace, printStackTrace, setStackTrace, toString
- Methods inherited from class java.lang.Object
  clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - HttpSessionRequiredException
```
public HttpSessionRequiredException(String msg)
```
    Create a new HttpSessionRequiredException.
    Parameters:
    msg - the detail message
  - HttpSessionRequiredException
```
public HttpSessionRequiredException(String msg,
                                    String expectedAttribute)
```
    Create a new HttpSessionRequiredException.
    Parameters:
    msg - the detail message
    expectedAttribute - the name of the expected session attribute
    Since:
    4.3
- Method Detail
  - getExpectedAttribute
```
public String getExpectedAttribute()
```
    Return the name of the expected session attribute, if any.
    Since:
    4.3