This document discusses how to debug and resolve issues with SearchGuard and ElasticSearch. Errors discussed in this document includes 1. Accessing the admin portal url results in the server under maintanence page 2. RPM failed: No aaf-aucore-1 3. com.floragunn.searchguard.ssl.http.netty.SearchGuardSSLNettyHttpServerTransport - Exception during establishing a SSL connection 4. ConnectionError ConnectionError(: Failed to establish a new connection: [Errno 111] Connection refused) 5. 400 search_phrase_execution_exception 6. ElasticSearch error Too many links 7. searchd container continually restarts 8. aucore container will not start