Please, check the following two links below and let us know if they are of any help to you:
https://www.youtube.com/watch?v=9YUmE0kbTVM (Memory Leak)
https://www.youtube.com/watch?v=y2GXfM48Zrw (JVM issue)
I reviewed the videos mentioned above and found no reference to Hogging Threads. Does Dynatrace Managed provide, for WebLogic, any metric that is equivalent to Hogging Threads? We have users who want to see this metrics.