Exception on GridJobProcessor.stop()

IGNITE-9056 made calling clear() to throw UnsupportedOperationException from org.jsr166.ConcurrentLinkedHashMap.
 
Need to verify all calls to .clear().
 
java.lang.UnsupportedOperationException: null
 at org.jsr166.ConcurrentLinkedHashMap.clear(ConcurrentLinkedHashMap.java:1551)
 at org.apache.ignite.internal.processors.job.GridJobProcessor.stop(GridJobProcessor.java:264)
 at org.apache.ignite.internal.IgniteKernal.stop0(IgniteKernal.java:2356)
 at org.apache.ignite.internal.IgniteKernal.stop(IgniteKernal.java:2228)
 at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop0(IgnitionEx.java:2612)
 at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.stop(IgnitionEx.java:2575)
 at org.apache.ignite.internal.IgnitionEx.stop(IgnitionEx.java:379)
 at org.apache.ignite.Ignition.stop(Ignition.java:225)
 at org.apache.ignite.internal.IgniteKernal.close(IgniteKernal.java:3568)