Failed to make connection to backendTomcat mod_proxyApache mod_proxyApache 503 Service UnavailableProxy 503Tomcat Service Unavailable503 - Service Unavailable - How come Tomcat will not start ...
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Tomcat will not start and complains that port 8080 is already in use. When accessing the site via a web browser you get a '503 - Service Unavailable' error. TogglenavigationCommunityBlogContactLogInSearchFrequentlyAskedQuestionsGeneralAWSGoogleCloudPlatformMicrosoftAzureSoftLayerVMwareFlexeraCMPAPIsSeetheAPIreferencedocumentationforallofourproducts.CloudComparisonComparepubliccloudsbasedonthefeaturestheyoffer.FeedbackGetintouchandwe’llgetbacktoyouassoonaswecan.ReleaseNotesSeethenotesforthelatestreleasesofeachapplicationandwhat’schanged.FlexeraCMPDocs/RightScaleGeneralFAQs503-ServiceUnavailable-HowcomeTomcatwillnotstartanditcomplainsthatport8080isalreadyinuse?BackgroundInformation Tomcatwillnotstartandcomplainsthatport8080isalreadyinuse.Whenaccessingthesiteviaawebbrowseryougeta'503-ServiceUnavailable'error. Answer BesurethattheAPP_SERVER_PORTinputvariableonyourtemplateissetto8000(thedefault)andnot8080.Tomcatusesport8080,buttheAPP_SERVER_PORTistheportthatHAPROXYforwardstraffictoandshouldbesetto8000.
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