org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [342,445
] milliseconds.
tomcat啟動時間5分鍾左右
打開
/java/jdk/jre/lib/security/java.security文件
securerandom.source=file:/dev/urandom
替換成
securerandom.source=file:/dev/./urandom