How to Fix 503 Service Temporarily Unavailable Error in Apache

1. Reboot Apache Server. One of the simplest ways to fix 503 service temporarily unavailable error in Apache is to restart your Apache server. Togglenavigation Builddashboards&reportsinminutes Features Pricing Blog WhatisUbiq FreeTrial Sometimesyoumayget503ServiceTemporarilyUnavailableErrorinApachewebserverduetovariousreasons.Inthisarticlewewilllookatwhatismeantby503ServiceTemporarilyUnavailableError,whyitoccursandhowtofix503ServiceTemporarilyUnavailableErrorinApache.   Whatdoes503ServiceTemporarilyUnavailableerrormeaninApache 503ServiceTemporarilyUnavailableErrorinApachemeansthatyourserverisunavailabletohandletherequest,becauseitistemporarilyoverloadedordown.Itisdifferentfrom500InternalServererrorwheretheserverisunabletoprocesstherequestaltogether.Inthiscase,theserverisfunctioningproperlybuthaschosentoreturn503responsecode. BonusRead:HowtoRedirectandKeepOriginalURLinApache     HowtoFix503ServiceTemporarilyUnavailableErrorinApache Hereishowtofix503servicetemporarilyunavailableerrorinApache   1.RebootApacheServer Oneofthesimplestwaystofix503servicetemporarilyunavailableerrorinApacheistorestartyourApacheserver.Manytimes,theservergetsoverloadedduetotoomanyopenconnections,ortoomanytempfiles.Rebootingyourserverwillhelpcloseunwantedconnectionsanddeletetemporaryfilescausingthebottleneck.Iftherearemultipleservers,makesuretoproperlyrestartallofthemsothatyourwebsite/applicationiscompletelyrefreshed. BonusRead:HowtoFix500InternalServerErrorinApache   2.CheckforUnexpectedMaintenance Haveyouscheduledamaintenancetostartnow?Youmaynotrealizeitbutsomeofyoursystemapplicationsmightbescheduledtobeupgraded/updatedandtheymightbeautomaticallydownloading&installingupdates.ThatiswhenApachemaybeissuing503servicetemporarilyunavailableerror.ThisisverycommoninCMSbasedsystemssuchasWordPress,Magentowhichhaveautoupdates.Insuchcases,openthesystemadministration/controlpanelanddisableauto-updatesorautomaticmaintenancescheduling. BonusRead:HowtoInstallmod_deflateinUbuntu/CentOS   3. ServerConnectivity Youmayalsoget503servicetemporarilyunavailablebecauseoneoftheserversdownthechainmightbedownorunavailable.Today’sapplicationarchitecturerequiremultipleserversoreventhird-partyservices.Ifanyoneofthemgoesdownorisunavailable,thenyoumayseethiserror. BonusRead:HowtoFix504GatewayTimeoutErrorinApache   4.CheckServerLogs EveryserverlogstheincomingrequestdetailssuchasrequestingIP,device,requestedURL,date-time,andserverresponse.UseanyoftheserverlogmonitoringtoolstofindoutwhichrequestedURLsarereceiving503servicetemporarilyunavailableerror.ItmaybeoccurringforsomeoftheURLsandnotallrequests.Insuchcases,youcanlookintotheprocessingofthoseURLsandidentifytheunderlyingcausequickly.Ifallincomingrequestsgetthiserror,thenitmustbeasystem-wideproblem.Eitherway,serverlogswillhelpyoudiagnoseissuesquickly. BonusRead:HowtoCheckWhichApacheModulesareEnabled   5.Applicationbugs Asafollowupfromthepreviousstep,incaseyourserverreturns503errorcodeonlyforcertainURLs,thenlookforapplicationbugsorcustomcodeforprocessingofthoseURLs.Analyzeyourversioncontrolsystem(likeGit,SVN,etc)foranyrecentmodificationstomodulesthatservethoseURLs.Thiswillhelpyouidentifytheproblematiccode,andfixitquickly. Hopefully,theabovetipswillhelpyoufix503servicetemporarilyunavailableerrorinApache.   Ubiq makesiteasytovisualizedatainminutes,andmonitorinreal-timedashboards. Tryit Today! Relatedposts:HowtoFix500InternalServerErrorinApacheHowToRedirectPageToAnotherDomainWith.htaccessFileHowToFix414RequestURITooLargeinApacheHowtoRedirectURLtoAnotherURLAboutAuthorAboutUbiqUbiqisapowerfuldashboard&reportingplatformforsmall&mediumbusinesses.Builddashboards,charts&reportsforyourbusinessinminutes.Getinsightsfromdataquickly.Tryitforfreetoday! Postnavigation HowtoGetDiskSpaceinLinux/UnixHowToInstallZipandUnzipinLinux AboutUsUbiqisabusinessintelligence&reportingtoolforsmall&mediumbusinesses.Buildbusinessdashboards,charts&reportsinminutes.Getinsightsfromdataquickly.Tryitforfree!