com.alibaba.dubbo.rpc.filter

Class ExceptionFilter

java.lang.Object

com.alibaba.dubbo.rpc.filter.ExceptionFilter

All Implemented Interfaces:

Filter

@Activate(group="provider")
public class ExceptionFilter
extends Object
implements Filter

ExceptionInvokerFilter

Functions:

1. unexpected exception will be logged in ERROR level on provider side. Unexpected exception are unchecked exception not declared on the interface
2. Wrap the exception not introduced in API package into RuntimeException. Framework will serialize the outer exception but stringnize its cause in order to avoid of possible serialization problem on client side

Constructor Summary

Constructors

Constructor and Description
ExceptionFilter()
ExceptionFilter(Logger logger)

Method Summary

Methods

Modifier and Type	Method and Description
Result	invoke(Invoker<?> invoker, Invocation invocation) do invoke filter.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExceptionFilter

public ExceptionFilter()

ExceptionFilter

public ExceptionFilter(Logger logger)

Method Detail

invoke

public Result invoke(Invoker<?> invoker,
            Invocation invocation)
              throws RpcException

Description copied from interface: Filter

do invoke filter.

// before filter Result result = invoker.invoke(invocation); // after filter return result;

Specified by:

invoke in interface Filter

Parameters:

invoker - service

invocation - invocation.

Returns:

invoke result.

Throws:

RpcException

See Also:

Invoker.invoke(Invocation)