Remote EJB client hang when load increases in EAP 7

Issue

• Remote EJB client hang in awaitResponse when load increases

  "default task-127" #285 prio=5 os_prio=0 tid=0x0000000028c9d800 nid=0x3a4c in Object.wait() [0x00000000425ae000]
   java.lang.Thread.State: WAITING (on object monitor)
  at java.lang.Object.wait(Native Method)
  at java.lang.Object.wait(Object.java:502)
  at org.jboss.ejb.client.EJBClientInvocationContext.awaitResponse(EJBClientInvocationContext.java:413)
  - locked <0x00000006ccf82360> (a java.lang.Object)
  at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:204)
  at org.jboss.ejb.client.EJBInvocationHandler.doInvoke(EJBInvocationHandler.java:183)
  at org.jboss.ejb.client.EJBInvocationHandler.invoke(EJBInvocationHandler.java:146)
  

• Setting "invocation-timeout" in wildfly-config.xml or "invocation.timeout" in the InitialContext does not work.