Jenkins+Tomcat服务器配置过程中,修改了tomcat配置文件;然后再访问服务器的tomcat页面发现根本加载不出来
企图重启tomcat
/opt/tomcat/bin/shutdown.sh
出现如下报错
[root@izbp1fmfc2pdjiw9u143xfz conf]# /opt/tomcat/bin/shutdown.sh
Using CATALINA_BASE: /opt/tomcat
Using CATALINA_HOME: /opt/tomcat
Using CATALINA_TMPDIR: /opt/tomcat/temp
Using JRE_HOME: /usr/lib/jvm/java-1.8.0-openjdk
Using CLASSPATH: /opt/tomcat/bin/bootstrap.jar:/opt/tomcat/bin/tomcat-juli.jar
二月 20, 2020 1:37:22 下午 org.apache.catalina.startup.Catalina stopServer
严重: Could not contact [localhost:8005]. Tomcat may not be running.
二月 20, 2020 1:37:22 下午 org.apache.catalina.startup.Catalina stopServer
严重: Catalina.stop:
java.net.ConnectException: 拒绝连接 (Connection refused)
at java.net.PlainSocketImpl.socketConnect(Native Method)
at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.net.Socket.connect(Socket.java:607)
at java.net.Socket.connect(Socket.java:556)
at java.net.Socket.<init>(Socket.java:452)
at java.net.Socket.<init>(Socket.java:229)
at org.apache.catalina.startup.Catalina.stopServer(Catalina.java:504)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.catalina.startup.Bootstrap.stopServer(Bootstrap.java:389)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:479)
经查证,出现这种报错的原因是Tomcat尚未启动完成;
接下来尝试了强制关闭tomcat
ps -ef | grep tomcat 查看tomcat进程号
kill -9 + 进程号 杀死进程
重新启动tomcat
/opt/tomcat/bin/startup.sh
tomcat页面依旧无法加载
打印tomcat运行日志
[root@izbp1fmfc2pdjiw9u143xfz conf]# cd /opt/tomcat
[root@izbp1fmfc2pdjiw9u143xfz tomcat]# ls
bin BUILDING.txt conf CONTRIBUTING.md lib LICENSE logs NOTICE README.md RELEASE-NOTES RUNNING.txt temp webapps work
[root@izbp1fmfc2pdjiw9u143xfz tomcat]# cd logs
[root@izbp1fmfc2pdjiw9u143xfz logs]# ls
catalina.2020-02-20.log host-manager.2020-02-20.log localhost_access_log.2020-02-20.txt
catalina.out localhost.2020-02-20.log manager.2020-02-20.log
[root@izbp1fmfc2pdjiw9u143xfz logs]# tail -f catalina.out
20-Feb-2020 13:48:35.239 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.base=/opt/tomcat
20-Feb-2020 13:48:35.239 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Dcatalina.home=/opt/tomcat
20-Feb-2020 13:48:35.239 信息 [main] org.apache.catalina.startup.VersionLoggerListener.log Command line argument: -Djava.io.tmpdir=/opt/tomcat/temp
20-Feb-2020 13:48:35.239 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]
20-Feb-2020 13:48:35.348 信息 [main] org.apache.coyote.AbstractProtocol.init 初始化协议处理器 ["http-nio-8080"]
20-Feb-2020 13:48:35.391 信息 [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
20-Feb-2020 13:48:35.403 信息 [main] org.apache.catalina.startup.Catalina.load Initialization processed in 895 ms
20-Feb-2020 13:48:35.487 信息 [main] org.apache.catalina.core.StandardService.startInternal Starting service [Catalina]
20-Feb-2020 13:48:35.487 信息 [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.5.51
20-Feb-2020 13:48:35.524 信息 [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory 把web 应用程序部署到目录 [/opt/tomcat/webapps/docs]
发现运行日志卡在最后一行:localhost-startStop-1,无法向下继续进行
解决方案:
将$ JAVA_HOME / jre / lib / security / java.security文件中的securerandom.source参数修改为文件:/ dev /./ urandom
[root@izbp1fmfc2pdjiw9u143xfz logs]# cd $JAVA_HOME/jre/lib/security
[root@izbp1fmfc2pdjiw9u143xfz security]# ls
blacklisted.certs cacerts java.policy java.security nss.cfg policy
[root@izbp1fmfc2pdjiw9u143xfz security]# vi java.security
顺带一提,在vi中快速搜索的方法:
命令模式下输入“/字符串”,例如“/Section 3”。如果查找下一个,按“n”即可。