[英]Tomcat deployment on Elastic Beanstalk: The site cannot be reached
我試圖將Tomcat Web應用程序部署到AWS EB上的環境,並且這樣做時一切正常,直到嘗試查看頁面超時並顯示無法訪問該站點的通知。
在本地主機上部署到Tomcat時,一切工作正常,並且我使用相同的war文件部署在AWS上。 兩者都使用Tomcat 8.0 war文件的結構為:
-CarbonCost.war
-WEB-INF
-lib
-classes
-Controller
-Controller.class
-Connect.class
-web.xml
-META-INF
-js
-img
-css
-index.jsp
-page2.jsp
來自AWS的catalina.log文件:
22-Nov-2017 18:03:49.754 INFO [main] org.apache.catalina.core.AprLifecycleListener.lifecycleEvent The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: /usr/java/packages/lib/amd64:/usr/lib64:/lib64:/lib:/usr/lib
22-Nov-2017 18:03:50.045 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-8080"]
22-Nov-2017 18:03:50.095 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
22-Nov-2017 18:03:50.108 INFO [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]
22-Nov-2017 18:03:50.119 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
22-Nov-2017 18:03:50.124 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 11657 ms
22-Nov-2017 18:03:50.220 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
22-Nov-2017 18:03:50.220 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.45
22-Nov-2017 18:03:50.260 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /var/lib/tomcat8/webapps/ROOT
22-Nov-2017 18:03:52.321 INFO [localhost-startStop-1] org.apache.jasper.servlet.TldScanner.scanJars At least one JAR was scanned for TLDs yet contained no TLDs. Enable debug logging for this logger for a complete list of JARs that were scanned but no TLDs were found in them. Skipping unneeded JARs during scanning can improve startup time and JSP compilation time.
22-Nov-2017 18:03:52.431 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory /var/lib/tomcat8/webapps/ROOT has finished in 2,170 ms
22-Nov-2017 18:03:52.443 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-8080"]
22-Nov-2017 18:03:52.490 INFO [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]
22-Nov-2017 18:03:52.513 INFO [main] org.apache.catalina.startup.Catalina.start Server startup in 2388 ms
我意識到這可能還不夠足夠的信息,但是我對如何繼續完全迷失了,因此任何一般性指導都是很棒的。
謝謝
碰巧的時候,我偶然遇到了解決方案。 我在EC2實例所屬的安全組中添加了一條規則,以允許從任何IP地址進行入站HTTP訪問。
如果有人可以確認這是正確的配置,那就太好了。
抱歉,請評論您的答案,但我的代表目前不夠高。 您的配置看起來正確,這是正常的啟動日志。 最后一行, Server startup in x ms
為單位的Server startup in x ms
代表服務器成功啟動所需的時間。 如果看到這個,那就太好了!
附帶說明一下,如果您要允許來自任何IP的訪問,則最佳實踐是將安全組中的入站訪問限制為某些應用程序端口(例如,http服務器的80和443)。 這將防止公共Internet上的人試圖在端口22上強行SSH連接和其他漏洞。
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