HTTP Status 503 - This application is not currently available解决方法

本文介绍了遇到HTTP503错误的原因及解决方法。错误通常由服务器问题而非代码引起,解决步骤包括检查JDK环境变量配置、删除并重新部署项目等。

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网上百度搜索了一堆解决方法,都是没有什么用,最后还是自己解决了。那么分享下结局方法:
错误原因:
HTTP 503错误,是服务器有问题不是代码的问题。
我这里的问题,是因为你项目可能在发布中而你直接打开了网页造成错误。
也可能是因为jdk造成的错误。
解决方法很简单粗暴快捷:
(一)不管是用jboss服务器还是tomcat 服务器,发布项目前,先去检查一下项目的Jdk环境变量配置配对了没有。如果都配对了。那么下一步。
(二)如果是用tomcat的服务器,把tomcat下边的webapps的项目中删掉,然后去eclipse中重新发布项目,再打开项目。ok,成功解决了问题正常打开网页。
如果是用jboss服务器,那么直接重新发布项目,重启一次,成功解决,不会再弹出。
总结:先检查环境配置,再检查项目发布有没有出错。再重启一下,成功解决

                
INFO: Local Domain Name: WARNING: No Local Domain found, setting to whatever first domain is available INFO: Local Domain set to: WARNING: No Domain found, skipping Same Domain validation INFO: Validating for Local Node existence INFO: Checking for local node existence in the list of public nodes INFO: Validating for Duplicates INFO: Validating for Duplicates in the table INFO: Verifying setup for installer validations INFO: Overall status of CVU API call:OPERATION_FAILED SEVERE: [FATAL] [INS-30132] Initial setup required for the execution of installer validations failed on nodes: yxyddb-rac-01 CAUSE: Indicated nodes were not reachable or failed to access the temporary location on the indicated nodes. ACTION: Ensure that all the indicated nodes are reachable and current user has required permissions to access the temporary location on all the indicated nodes. INFO: Advice is ABORT INFO: Adding ExitStatus INVALID_USER_INPUT to the exit status set INFO: Completed validating state <CRSNodeInformationUI> INFO: Terminating all background operations INFO: Terminated all background operations WARNING: A log of this session is currently saved as: /tmp/OraInstall2023-06-05_06-26-29PM/installActions2023-06-05_06-26-29PM.log. Oracle recommends that if you want to keep this log, you should move it from the temporary location to a more permanent location. INFO: Finding the most appropriate exit status for the current application INFO: Exit Status is -2 INFO: Shutdown Oracle Grid Infrastructure
06-06
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