记录一下，关于Spring Boot在写web时初次加载jsp的一个坑。（Path with "WEB-INF" or "META-INF": [WEB-INF/pages/login.jsp]）

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spring:
mvc:
view:
prefix: /WEB-INF/pages/
suffix: .jsp

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WARN 14836 --- [nio-8080-exec-1] o.s.w.s.r.ResourceHttpRequestHandler
: Path with "WEB-INF" or "META-INF": [WEB-INF/pages/login.jsp]

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Whitelabel Error Page
This application has no explicit mapping for /error, so you are seeing this as a fallback.
Wed Mar 13 10:37:19 CST 2019
There was an unexpected error (type=Not Found, status=404).
No message available

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protected boolean isInvalidPath(String path) {
if (!path.contains("WEB-INF") && !path.contains("META-INF")) {
if (path.contains(":/")) {
String relativePath = path.charAt(0) == '/' ? path.substring(1) : path;
if (ResourceUtils.isUrl(relativePath) || relativePath.startsWith("url:")) {
if (logger.isWarnEnabled()) {
logger.warn("Path represents URL or has "url:" prefix: [" + path + "]");
}
return true;
}
}
if (path.contains("..") && StringUtils.cleanPath(path).contains("../")) {
if (logger.isWarnEnabled()) {
logger.warn("Path contains "../" after call to StringUtils#cleanPath: [" + path + "]");
}
return true;
} else {
return false;
}
} else {
if (logger.isWarnEnabled()) {
logger.warn("Path with "WEB-INF" or "META-INF": [" + path + "]");
}
return true;
}
}

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<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>