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centos7 中tomcat啟動慢的問題

啟動慢 問題 ati opts cal catalina java_opts mil seconds

1.問題定位

12-Jun-2017 15:04:12.221 INFO [localhost-startStop-1] org.apache.catalina.util.SessionIdGeneratorBase.createSecureRandom Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [134,646] milliseconds.

2.解決方法

vi {tomcat}/bin/setclasspath.sh 增加一條配置: JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom"

3.驗證

重啟之後發現tomcat啟動正常

centos7 中tomcat啟動慢的問題