I am also getting the same error:
May 4, 2012 1:08:24 AM org.restlet.util.SelectionRegistration block WARNING: Unable to block the thread at the cyclic barrier java.util.concurrent.TimeoutException at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:222) at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:399) at org.restlet.util.SelectionRegistration.block(SelectionRegistration.java:176) at org.restlet.engine.io.NbChannelInputStream.onFill(NbChannelInputStream.java:225) at org.restlet.engine.io.Buffer.process(Buffer.java:594) at org.restlet.engine.io.NbChannelInputStream.read(NbChannelInputStream.java:302) at java.io.InputStream.read(InputStream.java:82) at org.restlet.engine.io.BioUtils.exhaust(BioUtils.java:235) at org.restlet.representation.Representation.exhaust(Representation.java:244) at org.restlet.engine.connector.ServerOutboundWay.onCompleted(ServerOutboundWay.java:171) at org.restlet.engine.connector.HttpServerOutboundWay.onCompleted(HttpServerOutboundWay.java:114) at org.restlet.engine.connector.OutboundWay.processIoBuffer(OutboundWay.java:407) at org.restlet.engine.connector.Way.onSelected(Way.java:409) at org.restlet.util.SelectionRegistration.onSelected(SelectionRegistration.java:292) at org.restlet.engine.connector.Connection.onSelected(Connection.java:600) at org.restlet.util.SelectionRegistration.onSelected(SelectionRegistration.java:292) at org.restlet.engine.connector.ConnectionController.onSelected(ConnectionController.java:197) at org.restlet.engine.connector.ServerConnectionController.onSelected(ServerConnectionController.java:96) at org.restlet.engine.connector.ConnectionController.selectKeys(ConnectionController.java:270) at org.restlet.engine.connector.ConnectionController.doRun(ConnectionController.java:150) at org.restlet.engine.connector.Controller.run(Controller.java:155) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) May 4, 2012 1:08:24 AM org.restlet.engine.connector.ServerOutboundWay onCompleted WARNING: Unable to automatically exhaust the request entity. java.io.IOException: Unable to block the thread at the cyclic barrier. at org.restlet.util.SelectionRegistration.block(SelectionRegistration.java:180) at org.restlet.engine.io.NbChannelInputStream.onFill(NbChannelInputStream.java:225) at org.restlet.engine.io.Buffer.process(Buffer.java:594) at org.restlet.engine.io.NbChannelInputStream.read(NbChannelInputStream.java:302) at java.io.InputStream.read(InputStream.java:82) at org.restlet.engine.io.BioUtils.exhaust(BioUtils.java:235) at org.restlet.representation.Representation.exhaust(Representation.java:244) at org.restlet.engine.connector.ServerOutboundWay.onCompleted(ServerOutboundWay.java:171) at org.restlet.engine.connector.HttpServerOutboundWay.onCompleted(HttpServerOutboundWay.java:114) at org.restlet.engine.connector.OutboundWay.processIoBuffer(OutboundWay.java:407) at org.restlet.engine.connector.Way.onSelected(Way.java:409) at org.restlet.util.SelectionRegistration.onSelected(SelectionRegistration.java:292) at org.restlet.engine.connector.Connection.onSelected(Connection.java:600) at org.restlet.util.SelectionRegistration.onSelected(SelectionRegistration.java:292) at org.restlet.engine.connector.ConnectionController.onSelected(ConnectionController.java:197) at org.restlet.engine.connector.ServerConnectionController.onSelected(ServerConnectionController.java:96) at org.restlet.engine.connector.ConnectionController.selectKeys(ConnectionController.java:270) at org.restlet.engine.connector.ConnectionController.doRun(ConnectionController.java:150) at org.restlet.engine.connector.Controller.run(Controller.java:155) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303) at java.util.concurrent.FutureTask.run(FutureTask.java:138) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) Caused by: java.util.concurrent.TimeoutException at java.util.concurrent.CyclicBarrier.dowait(CyclicBarrier.java:222) at java.util.concurrent.CyclicBarrier.await(CyclicBarrier.java:399) at org.restlet.util.SelectionRegistration.block(SelectionRegistration.java:176) ... 24 more ------------------------------------------------------ http://restlet.tigris.org/ds/viewMessage.do?dsForumId=4447&dsMessageId=2957630