操作系统deepin：
配置成功，tomcat也启动成功但是无法通过localhost：8080以及127.0.0.1:8080 都是404 。
tomcat启动日志没有错误，启动成功。也已经成功的监听到了8080端口。配置没有问题。deepin了解一下，没有防火墙
请问一下大声，还有什么问题没有注意的
一下的tomcat的启动日志：
/usr/local/lib/apache-tomcat-8.5.31/bin/catalina.sh runUsing CATALINA_BASE: /home/elio-ray/.IntelliJIdea2018.1/system/tomcat/Unnamed_test_2Using CATALINA_HOME: /usr/local/lib/apache-tomcat-8.5.31Using CATALINA_TMPDIR: /usr/local/lib/apache-tomcat-8.5.31/tempUsing JRE_HOME: /usr/share/java/jdk1.8.0_171/jreUsing CLASSPATH: /usr/local/lib/apache-tomcat-8.5.31/bin/bootstrap.jar:/usr/local/lib/apache-tomcat-8.5.31/bin/tomcat-juli.jarPicked up _JAVA_OPTIONS: -Dawt.useSystemAAFontSettings=gaspConnected to the target VM, address: '127.0.0.1:36961', transport: 'socket'18-May-2018 12:32:35.023 警告 [main] org.apache.catalina.startup.SetAllPropertiesRule.begin [SetAllPropertiesRule]{Server/Service/Connector} Setting property 'maxSpareThreads' to '75' did not find a matching property.18-May-2018 12:32:35.117 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server version: Apache Tomcat/8.5.3118-May-2018 12:32:35.118 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server built: Apr 27 2018 20:24:25 UTC18-May-2018 12:32:35.118 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Server number: 8.5.31.018-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Name: Linux18-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log OS Version: 4.9.0-deepin13-amd6418-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Architecture: amd6418-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Java Home: /usr/share/java/jdk1.8.0_171/jre18-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Version: 1.8.0_171-b1118-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log JVM Vendor: Oracle Corporation18-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_BASE: /home/elio-ray/.IntelliJIdea2018.1/system/tomcat/Unnamed_test_218-May-2018 12:32:35.128 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log CATALINA_HOME: /usr/local/lib/apache-tomcat-8.5.3118-May-2018 12:32:35.129 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.config.file=/home/elio-ray/.IntelliJIdea2018.1/system/tomcat/Unnamed_test_2/conf/logging.properties18-May-2018 12:32:35.129 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager18-May-2018 12:32:35.129 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xdebug18-May-2018 12:32:35.129 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Xrunjdwp:transport=dt_socket,address=127.0.0.1:36961,suspend=y,server=n18-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote=18-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.port=109918-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.ssl=false18-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcom.sun.management.jmxremote.authenticate=false18-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.rmi.server.hostname=127.0.0.118-May-2018 12:32:35.130 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.net.preferIPv4Stack=true18-May-2018 12:32:35.131 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.net.preferIPv4Addresses=true18-May-2018 12:32:35.131 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djdk.tls.ephemeralDHKeySize=204818-May-2018 12:32:35.131 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.protocol.handler.pkgs=org.apache.catalina.webresources18-May-2018 12:32:35.131 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dorg.apache.catalina.security.SecurityListener.UMASK=002718-May-2018 12:32:35.132 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dignore.endorsed.dirs=18-May-2018 12:32:35.132 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/home/elio-ray/.IntelliJIdea2018.1/system/tomcat/Unnamed_test_218-May-2018 12:32:35.132 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/usr/local/lib/apache-tomcat-8.5.3118-May-2018 12:32:35.133 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/usr/local/lib/apache-tomcat-8.5.31/temp18-May-2018 12:32:35.133 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dawt.useSystemAAFontSettings=gasp18-May-2018 12:32:35.133 信息 [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]18-May-2018 12:32:35.489 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["http-nio-0.0.0.0-8080"]18-May-2018 12:32:35.524 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read18-May-2018 12:32:35.542 信息 [main] org.apache.coyote.AbstractProtocol.init Initializing ProtocolHandler ["ajp-nio-8009"]18-May-2018 12:32:35.545 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read18-May-2018 12:32:35.546 信息 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 1435 ms18-May-2018 12:32:35.661 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]18-May-2018 12:32:35.661 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.3118-May-2018 12:32:35.689 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["http-nio-0.0.0.0-8080"]18-May-2018 12:32:35.733 信息 [main] org.apache.coyote.AbstractProtocol.start Starting ProtocolHandler ["ajp-nio-8009"]18-May-2018 12:32:35.743 信息 [main] org.apache.catalina.startup.Catalina.start Server startup in 195 msConnected to server18-May-2018 12:32:45.702 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory [/usr/local/lib/apache-tomcat-8.5.31/webapps/manager]
18-May-2018 12:32:46.156 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/usr/local/lib/apache-tomcat-8.5.31/webapps/manager] has finished in [453] ms
接下来是端口是否占用的查询：
在没有开启tomcat的前提下8080没有别占用，一下是tomcat开启之后的
Active Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address State tcp 0 0 127.0.0.1:6942 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:37663 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:8005 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:33317 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8009 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:1099 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:37483 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:139 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:63342 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:8080 0.0.0.0:* LISTEN tcp 0 0 127.0.0.1:631 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:445 0.0.0.0:* LISTEN tcp6 0 0 :::139 :::* LISTEN tcp6 0 0 ::1:631 :::* LISTEN
tcp6 0 0 :::445 :::* LISTEN
