[mayaa-user:478] mayaa 1.1.5 でデッドロック

"TP-Processor91":
waiting to lock monitor 0x0000000040136080 (object 0x0000002aaf44e6f8, a org.seasar.mayaa.impl.engine.SpecificationCache),
which is held by "ReferenceCache Sweep Monitor"
"ReferenceCache Sweep Monitor":
waiting to lock monitor 0x0000000040136170 (object 0x0000002aaf74b770, a java.util.LinkedHashMap),
which is held by "TimeredSweepThread"
"TimeredSweepThread":
waiting to lock monitor 0x0000000040137520 (object 0x0000002ab8158490, a org.seasar.mayaa.impl.engine.processor.InsertProcessor),
which is held by "TP-Processor61"
"TP-Processor61":
waiting to lock monitor 0x00000000401372c8 (object 0x0000002aae85ed30, a org.seasar.mayaa.impl.engine.EngineImpl),
which is held by "TP-Processor91"