关于Exception的问题

Question

org.jdiameter.api.RouteException: Unknown realm name [maaii.com]
at org.jdiameter.client.impl.router.RouterImpl.getPeer(RouterImpl.java:329)
at org.jdiameter.client.impl.controller.PeerTableImpl.sendMessage(PeerTableImpl.java:177)
at org.jdiameter.client.impl.StackImpl.sendMessage(StackImpl.java:413)
at org.jdiameter.client.impl.BaseSessionImpl.genericSend(BaseSessionImpl.java:121)
at org.jdiameter.client.impl.BaseSessionImpl.genericSend(BaseSessionImpl.java:88)
at org.jdiameter.client.impl.BaseSessionImpl$MyFuture.send(BaseSessionImpl.java:257)
at org.jdiameter.client.impl.BaseSessionImpl.send(BaseSessionImpl.java:144)
at com.maaii.jdiameter.cmms.CmmsTest1.sendMessage(CmmsTest1.java:133)
at com.maaii.jdiameter.cmms.CmmsTest1.main(CmmsTest1.java:74)
Exception in thread "TCPReader-1" java.lang.InternalError: Can not put event to FSM PeerFSM{context=ActionContext [getPeerDescription()=aaa://192.168.81.62:4868, isConnected()=false, isRestoreConnection()=true], state=OKAY}
at org.jdiameter.client.impl.fsm.PeerFSMImpl.handleEvent(PeerFSMImpl.java:257)
at org.jdiameter.client.impl.controller.PeerImpl$1.connectionClosed(PeerImpl.java:185)
at org.jdiameter.client.impl.transport.tcp.TCPClientConnection.onEvent(TCPClientConnection.java:295)
at org.jdiameter.client.impl.transport.tcp.TCPClientConnection.onDisconnect(TCPClientConnection.java:257)
at org.jdiameter.client.impl.transport.tcp.TCPTransportClient.run(TCPTransportClient.java:173)
at java.lang.Thread.run(Unknown Source)
Exception in thread "FSM-aaa://192.168.81.62:4868-2" java.lang.IllegalMonitorStateException
at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(Unknown Source)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(Unknown Source)
at java.util.concurrent.locks.ReentrantLock.unlock(Unknown Source)
at java.util.concurrent.LinkedBlockingQueue.poll(Unknown Source)
at org.jdiameter.client.impl.fsm.PeerFSMImpl$3.run(PeerFSMImpl.java:145)
at java.lang.Thread.run(Unknown Source)==================================
这三个Exception有什么内在的关系吗？是三个独立的Exception？还是什么上下层关系呢