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Linux服务器tomact 8.0启动慢的完美解决方法 Linux服务器tomact 8.0启动慢的完美解决办法

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环境信息:

CentOS release 6.8

tomcat-8.0

JDK1.8

一、启动tomcat

#sh /root/tomcat-8.0/bin/startup.sh
#tailf /root/tomcat-8.0/logs/catalina.out
26-Aug-2017 12:58:31.661 INFO [main] org.apache.tomcat.util.net.NioSelectorPool.getSharedSelector Using a shared selector for servlet write/read
26-Aug-2017 12:58:31.662 INFO [main] org.apache.catalina.startup.Catalina.load Initialization processed in 680 ms
26-Aug-2017 12:58:31.685 INFO [main] org.apache.catalina.core.StandardService.startInternal Starting service Catalina
26-Aug-2017 12:58:31.685 INFO [main] org.apache.catalina.core.StandardEngine.startInternal Starting Servlet Engine: Apache Tomcat/8.0.32
26-Aug-2017 12:58:31.695 INFO [localhost-startStop-1] org.apache.catalina.startup.HostConfig.deployDirectory Deploying web application directory /root/tomcat-8.0/webapps/ROOT
26-Aug-2017 12:58:36.184 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.
26-Aug-2017 12:58:37.895 INFO [localhost-startStop-1] java.util.prefs.FileSystemPreferences$2.run Created system preferences directory in java.home.
26-Aug-2017 12:58:37.897 INFO [localhost-startStop-1] java.util.prefs.FileSystemPreferences$1.run Created user preferences directory.
26-Aug-2017 12:58:37.907 WARNING [localhost-startStop-1] java.util.prefs.FileSystemPreferences$6.run Prefs file removed in background /root/.java/.userPrefs/prefs.xml
26-Aug-2017 12:58:37.908 WARNING [localhost-startStop-1] java.util.prefs.FileSystemPreferences$6.run Prefs file removed in background /root/jdk-1.8/jre/.systemPrefs/prefs.xml

等待tomcat启动的过程是煎熬的,足足5/6分钟,在不抱希望的情况下它居然又启动完成了......

有两种解决办法:

1)在Tomcat环境中解决

在catalina.sh中加入这么一行:

-Djava.security.egd=file:/dev/./urandom

例如:

JAVA_OPTS="-server -Xms2048m -Xmx4096m -XX:PermSize=256M -XX:MaxPermSize=512m -Djava.security.egd=file:/dev/./urandom"

2)在JVM环境中解决

修改$JAVA_PATH/jre/lib/security/java.security

securerandom.source=file:/dev/urandom

替换成

securerandom.source=file:/dev/./urandom

总结

以上所述是小编给大家介绍的Linux服务器tomact 8.0启动慢的完美解决方法,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对网站的支持!

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