slfan1989 commented on code in PR #4938:
URL: https://github.com/apache/hadoop/pull/4938#discussion_r988650049
##########
hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-router/src/main/java/org/apache/hadoop/yarn/server/router/webapp/FederationInterceptorREST.java:
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@@ -1521,47 +1679,85 @@ public AppTimeoutInfo getAppTimeout(HttpServletRequest
hsr, String appId,
String type) throws AuthorizationException {
if (appId == null || appId.isEmpty()) {
+ routerMetrics.incrGetAppTimeoutFailedRetrieved();
throw new IllegalArgumentException("Parameter error, the appId is empty
or null.");
}
+ // Check that the appId format is accurate
+ try {
+ ApplicationId.fromString(appId);
Review Comment:
Thanks for your suggestion, I will refactor this part of the code.
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