Should fix bugs during wavelet commit and update.

Some RuntimeExceptions escape from subscribers in the WaveletNotificationDispatcher which out the subscriber in undefined state. The main issue is with ClientFrontendImpl, but the exceptions are caused deeper in the server.

INFO: Submit to [WaveletName waveinabox.net/w+30Bat7I71UA/waveinabox.net/conv+root] by *******@waveinabox.net @ 6036 w
ith 1 ops
Mar 27, 2012 9:20:57 PM org.waveprotocol.box.server.waveserver.WaveletNotificationDispatcher waveletUpdate
SEVERE: Runtime exception in update to wave bus subscriber org.waveprotocol.box.server.frontend.ClientFrontendImpl@278a8
423
java.lang.IllegalStateException: Subscription expected delta for [WaveletName waveinabox.net/w+30Bat7I71UA/waveinabox.ne
t/conv+root] targeting 6016, was 6036
at com.google.common.base.Preconditions.checkState(Preconditions.java:172)
at org.waveprotocol.box.server.frontend.WaveViewSubscription.checkUpdateVersion(WaveViewSubscription.java:202)
at org.waveprotocol.box.server.frontend.WaveViewSubscription.onUpdate(WaveViewSubscription.java:142)
at org.waveprotocol.box.server.frontend.UserManager.onUpdate(UserManager.java:76)
at org.waveprotocol.box.server.frontend.ClientFrontendImpl.participantUpdate(ClientFrontendImpl.java:260)
at org.waveprotocol.box.server.frontend.ClientFrontendImpl.waveletUpdate(ClientFrontendImpl.java:305)
at org.waveprotocol.box.server.waveserver.WaveletNotificationDispatcher.waveletUpdate(WaveletNotificationDispatc
her.java:125)
at org.waveprotocol.box.server.waveserver.WaveletContainerImpl.notifyOfDeltas(WaveletContainerImpl.java:181)
at org.waveprotocol.box.server.waveserver.LocalWaveletContainerImpl.submitRequest(LocalWaveletContainerImpl.java
:104)
at org.waveprotocol.box.server.waveserver.WaveServerImpl.submitDelta(WaveServerImpl.java:536)
at org.waveprotocol.box.server.waveserver.WaveServerImpl.submitRequest(WaveServerImpl.java:338)
at org.waveprotocol.box.server.frontend.ClientFrontendImpl.submitRequest(ClientFrontendImpl.java:219)
at org.waveprotocol.box.server.frontend.WaveClientRpcImpl.submit(WaveClientRpcImpl.java:164)
at org.waveprotocol.box.common.comms.WaveClientRpc$ProtocolWaveClientRpc$1.submit(WaveClientRpc.java:4459)
at org.waveprotocol.box.common.comms.WaveClientRpc$ProtocolWaveClientRpc.callMethod(WaveClientRpc.java:4589)
at org.waveprotocol.box.server.rpc.ServerRpcControllerImpl.run(ServerRpcControllerImpl.java:200)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
at java.lang.Thread.run(Thread.java:679)
Mar 27, 2012 9:20:57 PM org.waveprotocol.box.server.waveserver.WaveServerImpl submitDelta