service-discovery

Many people store configuration files in toml format and it will be useful to add support for this format

携带Data ID查询条件切换namespace时，Data ID条件不生效

组件：
spring-cloud-starter-stream-rocketmq
问题版本：
2.2.7.RELEASE; 2021.0.1.0

问题详情：
stream-rocketmq 2.2.6.RELEASE 升级到 2.2.7.RELEASE 后，无法正常conmit offset

重现步骤：
1.运行的demo如下，使用 AcknowledgmentCallback.noAutoAck() 关闭自动ack，打印之后再 ack

 @Bean
    public ApplicationRunner poller(PollableMessageSource dest1In) {
        return args -> {
            while (true) {
                if (!dest1In.

Right now, whenever Zenmap crashes, it gives the user a stack trace and asks the user to send it to the Nmap dev list. So we get a flood of emails (most of which aren't even allowed through moderation) which often contain just a stack trace with no subject line or any explanatory text in the message body. Lots of these are for well known issues in older versions of Zenmap. So it's not very usef

If not for some particular exceptions, the status code returned from our WebAPI on error is always 500, regardless of the kind of error.

If an object already exists, for example, it should be returned as 409. If the object does not pass the schema validation, it should be a 415.

Go through the whole WebAPI and verify that the status codes are being returned correctly.

Hint: Error cl

When we test, many test services will be registered with Polaris, and these test services will be offline, but they still exist in the service list, which makes it inconvenient to manage and view services.

Describe the bug

A clear and concise description of the bug.
when my asp.net core 3.1 app host in IIS, the url console is 127.0.0.1，so，when i have Multiple instances，the instances name will be the same,such as 127.0.0.1:svaname:port，eureka server think they are a single instance.
i print the console in source code：
![image](https://user-images.githubusercontent.com/6300834/101754289-8ad92

Add a sample that shows how to add a custom endpoint using the management endpoints library.