Exception message is not exactly

[OrezzerO]

Describe the bug

In FilterInvoker ,according to the context "Next filter or invoker is null!" should be "Next filter and invoker is null!"

   @Override
    public SofaResponse invoke(SofaRequest request) throws SofaRpcException {
        if (nextFilter == null && invoker == null) {
            throw new SofaRpcException(RpcErrorType.SERVER_FILTER, "Next filter or invoker is null!");
        }
        return nextFilter == null ?
            invoker.invoke(request) :
            nextFilter.invoke(invoker, request);
    }

Expected behavior

Actual behavior

Steps to reproduce

Minimal yet complete reproducer code (or GitHub URL to code)

Environment

• SOFARPC version: 5.4.7
• JVM version (e.g. java -version):
• OS version (e.g. uname -a):
• Maven version:
• IDE version:

[khotyn]

@OrezzerO Would you like to send a PR to fix this problem? We are extremely welcome your PR. 😆

[OrezzerO]

@khotyn OK,I will try it.

[leizhiyuan]

we need to release 5.4.8 this week。