Tomcat9在CentOS7上启动慢的解决办法

1、JDK修改

修改JDK安装目录下的java.security文件

vim ${JAVA_HOME}/jre/lib/security/java.security

将如下配置
securerandom.source=file:/dev/random

改为
securerandom.source=file:/dev/urandom

2、Tomcat修改

修改tomcat9下conf的catalina.properties

将tomcat.util.scan.StandardJarScanFilter.jarsToSkip=后面加载的所有jar包删除

改为tomcat.util.scan.StandardJarScanFilter.jarsToSkip=*.jar