Java 日志中找不到自定义线程的原因，线程名显示不全

原因是日志中使用固定长度格式展示线程名，长度固定为15位字符，在[]里面。

当线程名超过15位时会截取，删除最前面的字符直到线程名等于15位字符。
eg：线程名为xzhThreadExecutor-0，会变为[hreadExecutor-0]

当线程名不足15位时会补全，自动填充空字符直到达到15位字符。
eg：线程名为xzhThread-0，会变为[    xzhThread-0]

所以定义线程名时，最好不要超过15位字符，不然就展示不全。

下面是虚拟机日志信息，[]里面就是线程名，都是15位：

2022-11-14 09:53:57.605  INFO 17564 --- [           main] o.s.b.w.embedded.tomcat.TomcatWebServer  : Tomcat started on port(s): 8080 (http) with context path '/xx'
2022-11-14 09:53:57.610  INFO 17564 --- [           main] o.s.c.c.s.ConsulServiceRegistry          : Registering service with consul: NewService{id=xx}
2022-11-14 09:53:57.926  INFO 17564 --- [nio-8596-exec-1] o.a.c.c.C.[.[localhost].[/bop-oms]       : Initializing Spring DispatcherServlet 'dispatcherServlet'
2022-11-14 09:53:57.926  INFO 17564 --- [nio-8596-exec-1] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2022-11-14 09:53:57.930  INFO 17564 --- [nio-8596-exec-1] o.s.web.servlet.DispatcherServlet        : Completed initialization in 4 ms
2022-11-14 09:53:58.358  INFO 17564 --- [           main] com.bzcst.bop.oms.Application            : Started Application in 10.032 seconds (JVM running for 12.193)
2022-11-14 09:53:58.629  INFO 17564 --- [3)-192.168.1.40] com.zaxxer.hikari.HikariDataSource       : DatebookHikariCP - Starting...
2022-11-14 09:53:58.888  INFO 17564 --- [3)-192.168.1.40] com.zaxxer.hikari.HikariDataSource       : DatebookHikariCP - Start completed.