我如何弄清楚什么是锁定并阻止我的Java线程？

I'm using Wildfly 11 with Java 8 on Amazon Linux. We're troubleshooting a high CPU utilization issue and have the Wildfly CLI tool at our disposal. I noticed some of our Java threads have been running for quite awhile and wanted to figure out why. I found the ID of one thread and checked its status ...I'm using Wildfly 11 with Java 8 on Amazon Linu