With WebLogic 12.2.1.1.0 and JDK 8u162, the server has the following error:

<Apr 17, 2018, 1:23:24,739 PM MST> <Error> <WebLogicServer> <BEA-000337>
<[STUCK] ExecuteThread: '18' for queue: 'weblogic.kernel.Default (self-tuning)' has been busy for "1,352" seconds working on the request "Workmanager: default, Version: 0, Scheduled=false, Started=true, Started time: 1352688 ms", which is more than the configured time (StuckThreadMaxTime) of "1,200” seconds in "server-failure-trigger". Stack trace:
java.net.SocketInputStream.socketRead0(Native Method)
java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
java.net.SocketInputStream.read(SocketInputStream.java:171)
java.net.SocketInputStream.read(SocketInputStream.java:141)