2021-07-29 19:44:31.615  INFO [my-bot,1efb3e9c675e3506,1efb3e9c675e3506] 1 --- [nio-8080-exec-7] c.s.github.v3.clients.GitHubClient       : Github token for installation 1234 is either expired or null. Trying to get a new one.
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2021-07-29 19:44:31.615  INFO [my-bot,1efb3e9c675e3506,1efb3e9c675e3506] 1 --- [nio-8080-exec-7] c.s.github.v3.clients.GitHubClient       : Got JWT Token. Now getting Github access_token for installation 1234
2021-07-29 19:44:31.619 ERROR [my-bot,a1558e2c87f905cd,a1558e2c87f905cd] 1 --- [nio-8080-exec-5] c.comp.path.WebhookErrorHandler  : error processing request: (Could not generate access token for github app)
java.lang.RuntimeException: Could not generate access token for github app
...
Caused by: java.lang.Exception: Got non-2xx status 401 when getting an access token from GitHub: Unauthorized
    at com.spotify.github.v3.clients.GitHubClient.generateInstallationToken(GitHubClient.java:607) ~[github-client-0.0.25.jar:0.0.25]
    at com.spotify.github.v3.clients.GitHubClient.getInstallationToken(GitHubClient.java:581) ~[github-client-0.0.25.jar:0.0.25]
    at com.spotify.github.v3.clients.GitHubClient.getAuthorizationHeader(GitHubClient.java:560) ~[github-client-0.0.25.jar:0.0.25]