Creation of SecureRandom instance for session ID generation using [SHA1PRNG] took [32,176] milliseco

有一次，我启动tomcat时，居然花费了33秒。我不理解为什么一个新的tomcat，需要这么久，

网上查找后，找到了一个解决方法。

# vim /usr/local/tomcat/bin/catalina.sh
---------------------------------------------------
JAVA_OPTS="-Djava.security.egd=file:/dev/./urandom"
---------------------------------------------------

重新启动，发现时间变成1秒。

时间： 2024-08-04 23:11:40

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