SpringBoot Add a check for HTTP(S) resource URLs without the '.xml' suffix

Add a check for HTTP(S) resource URLs without the '.xml' suffix.

Currently, when loading logback configuration, the method of checking whether a URL refers to an XML file is as follows:

if (url.getPath().endsWith(".xml") {
    // IS XML
} else {
    // IS NOT XML
}

However, some URLs' path referring to XML files do not end with ".xml".

for example, "http://${spring.cloud.nacos.config.server-addr}/nacos/v1/cs/configs?group=DEFAULT_GROUP&dataId=logback-common.xml" refers to my logback configuration, but its path ("/nacos/v1/cs/configs") doesn't end with ".xml", so it cannot be loaded correctly.

Therefore, it is necessary to add an additional check.

Comment From: pivotal-cla

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Comment From: pivotal-cla

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Comment From: wilkinsona

Thanks for suggestion. Unfortunately, I don't think we should make an extra HTTP call when trying to load logging configuration. If you would like us to consider a different way of tackling this, please open an issue for consideration.