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我使用tomcat7作为应用程序服务器运行我的java Web应用程序(.war)当我重新启动tomcat时需要20-25分钟来部署可能的战争文件.我重启tomcat时得到这个日志： Sep 24, 2016 9:45:29 AM org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina Sep 24, 2016 9:45:29 AM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.68 (Ubuntu) Sep 24, 2016 9:45:29 AM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive /var/lib/tomcat7/webapps/tnu.war Sep 24, 2016 9:45:30 AM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile INFO: validateJarFile(/var/lib/tomcat7/webapps/tnu/WEB-INF/lib/javax.servlet-api-3.0.1.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class Sep 24, 2016 9:45:33 AM org.apache.catalina.startup.TldConfig execute INFO: 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. Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/common/classes], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/common], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/server/classes], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/server], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/shared/classes], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:51 AM org.apache.catalina.startup.ClassLoaderFactory validateFile WARNING: Problem with directory [/usr/share/tomcat7/shared], exists: [false], isDirectory: [false], canRead: [false] Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server version: Apache Tomcat/7.0.68 (Ubuntu) Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server built: Jun 27 2016 18:13:17 UTC Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server number: 7.0.68.0 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Name: Linux Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Version: 4.4.0-36-generic INFO: Server version: Apache Tomcat/7.0.68 (Ubuntu) Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server built: Jun 27 2016 18:13:17 UTC Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Server number: 7.0.68.0 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Name: Linux Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: OS Version: 4.4.0-36-generic Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Architecture: amd64 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Java Home: /usr/lib/jvm/java-8-openjdk-amd64/jre Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: JVM Version: 1.8.0_91-8u91-b14-3ubuntu1~16.04.1-b14 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: JVM Vendor: Oracle Corporation Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: CATALINA_BASE: /var/lib/tomcat7 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: CATALINA_HOME: /usr/share/tomcat7 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.util.logging.config.file=/var/lib/tomcat7/conf/logging.properties Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.awt.headless=true Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Xmx128m Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -XX:+UseConcMarkSweepGC Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.endorsed.dirs=/usr/share/tomcat7/endorsed Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dcatalina.base=/var/lib/tomcat7 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Dcatalina.home=/usr/share/tomcat7 Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.VersionLoggerListener log INFO: Command line argument: -Djava.io.tmpdir=/tmp/tomcat7-tomcat7-tmp INFO: Command line argument: -Djava.io.tmpdir=/tmp/tomcat7-tomcat7-tmp Sep 24, 2016 9:46:52 AM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"] Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 744 ms Sep 24, 2016 9:46:52 AM org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina Sep 24, 2016 9:46:52 AM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.68 (Ubuntu) Sep 24, 2016 9:46:52 AM org.apache.catalina.startup.HostConfig deployWAR INFO: Deploying web application archive /var/lib/tomcat7/webapps/tnu.war Sep 24, 2016 9:46:53 AM org.apache.catalina.loader.WebappClassLoaderBase validateJarFile INFO: validateJarFile(/var/lib/tomcat7/webapps/tnu/WEB-INF/lib/javax.servlet-api-3.0.1.jar) - jar not loaded. See Servlet Spec 3.0, section 10.7.2. Offending class: javax/servlet/Servlet.class Sep 24, 2016 9:46:56 AM org.apache.catalina.startup.TldConfig execute INFO: 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. Sep 24, 2016 10:03:01 AM org.apache.catalina.util.SessionIdGeneratorBase createSecureRandom INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [965,010] milliseconds. log4j:WARN No such property [maxBackupIndex] in org.apache.log4j.DailyRollingFileAppender. log4j:WARN No such property [maxFileSize] in org.apache.log4j.DailyRollingFileAppender. 24 Sep 2016 10:03:01,669 - [localhost-startStop-1] DEBUG [org.jboss.logging] [] - Logging Provider: org.jboss.logging.Log4jLoggerProvider 24 Sep 2016 10:03:01,694 - [localhost-startStop-1] DEBUG [logging.loggers.YWLogger] [] - Sat Sep 24 10:03:01 UTC 2016 - [ ConstantReader ] File Found File Found 24 Sep 2016 10:03:01,697 - [localhost-startStop-1] DEBUG [reqfilter.interceptor.MobReqFilter] [] - MobRequestFilter : init + webapp path : /var/lib/tomcat7/webapps/tnu/ 24 Sep 2016 10:03:01,698 - [localhost-startStop-1] DEBUG [reqfilter.interceptor.MobReqFilter] [] - init params : WEB-INF/classes/log4j.properties Sep 24, 2016 10:03:05 AM org.apache.catalina.startup.HostConfig deployWAR INFO: Deployment of web application archive /var/lib/tomcat7/webapps/tnu.war has finished in 973,344 ms Sep 24, 2016 10:03:05 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deploying web application directory /var/lib/tomcat7/webapps/ROOT Sep 24, 2016 10:03:05 AM org.apache.catalina.core.StandardContext setPath WARNING: A context path must either be an empty string or start with a '/' and do not end with a '/'. The path [/] does not meet these criteria and has been changed to [] Sep 24, 2016 10:03:06 AM org.apache.catalina.startup.TldConfig execute INFO: 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. Sep 24, 2016 10:03:06 AM org.apache.catalina.startup.HostConfig deployDirectory INFO: Deployment of web application directory /var/lib/tomcat7/webapps/ROOT has finished in 331 ms Sep 24, 2016 10:03:06 AM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["http-bio-8080"] Sep 24, 2016 10:03:06 AM org.apache.catalina.startup.Catalina start INFO: Server startup in 973768 ms我重新启动tomcat7后,我必须等待20-25分钟.这个解决方案？ 注意：操作系统 – 在digitalocean云上的ubuntu 14.04. 解决方法: INFO: Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [965,010] milliseconds.这是一个需要大量服务器时间的过程.创建SecureRandom本身需要16.0835 Minutes. 幸运的是,Apache wiki有一个解决方法： Tomcat 7+ heavily relies on SecureRandom class to provide random values for its session ids and in other places. Depending on your JRE it can cause delays during startup if entropy source that is used to initialize SecureRandom is short of entropy. You will see warning in the logs when this happens, e.g.: 06001 There is a way to configure JRE to use a non-blocking entropy source by setting the following system property: –Djava.security.egd=file:/dev/./urandom 以上是互联网集市为您收集整理的java – Tomcat7需要太多时间才能启动全部内容，希望文章能够帮你解决java – Tomcat7需要太多时间才能启动所遇到的程序开发问题。 如果觉得互联网集市技术教程内容还不错，欢迎将互联网集市网站推荐给程序员好友。 版权声明：本文内容由互联网用户自发贡献，该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务，不拥有所有权，不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容， 请发送邮件至 [email protected] 举报，一经查实，本站将立刻删除。 |
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