Broken pipe means that a pipe is broken. It is simply understood that there may be an IO or network problem between Tomcat’s server and client, resulting in one end being closed. Often occurs when the verification code cannot be displayed.

        Solution: enter the Linux environment variable file configuration parameters and configure them in/etc/profile.

        Set parameters at the end of the document:    export _ JAVA_ SR_ SIGNUM=12

export _ JAVA_ SR_ Signum = 12, 12 can be replaced by 16

Note: this method may solve the symptoms but not the root cause, or it should solve the problem code, or it is the wrong connection method. It’s best to tune the JVM. I hope you can give me some advice.