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New to AEM, dispatcher serving 404 randomly.

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i inherited the support of an AEM environment and I am a total noob to AEM. It’s set as following, CDN -> LoadBalancer -> 3 Dispatchers -> 3 publishers. The AEM version is 6.1

my issue is randomly (I say randomly because I haven’t found any action that determines the cause of this issue) one Specific page would return a 404, not found. I determined that the Issue is on all dispatchers. I viewed the debugging logs, and I notice that requests to publisher from dispatcher 404s are logged there as well a few times, then a few requests later, the page is finally found And a 200 is returned.

i am guessing the issue lies on author config or replication, but not entirely sure. can anyone shine any light? Any ideas, thoughts, etc? That may help me pin point this issue. As I said it’s only one page that has this issue.

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