"Computer.threadPoolForRemoting [#943]" Id=29869 Group=main BLOCKED on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f owned by "jenkins.util.Timer [#4]" Id=32
	at hudson.plugins.ec2.EC2Cloud.connect(EC2Cloud.java:634)
	-  blocked on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f
	at hudson.plugins.ec2.EC2Computer._describeInstanceOnce(EC2Computer.java:176)
	at hudson.plugins.ec2.EC2Computer._describeInstance(EC2Computer.java:157)
	at hudson.plugins.ec2.EC2Computer.getState(EC2Computer.java:133)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:80)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:262)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

	Number of locked synchronizers = 1
	- java.util.concurrent.ThreadPoolExecutor$Worker@3b89fbdc

"Computer.threadPoolForRemoting [#948]" Id=31317 Group=main BLOCKED on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f owned by "jenkins.util.Timer [#4]" Id=32
	at hudson.plugins.ec2.EC2Cloud.connect(EC2Cloud.java:634)
	-  blocked on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f
	at hudson.plugins.ec2.EC2Computer._describeInstanceOnce(EC2Computer.java:176)
	at hudson.plugins.ec2.EC2Computer._describeInstance(EC2Computer.java:157)
	at hudson.plugins.ec2.EC2Computer.getState(EC2Computer.java:133)
	at hudson.plugins.ec2.EC2ComputerLauncher.launch(EC2ComputerLauncher.java:80)
	at hudson.slaves.SlaveComputer$1.call(SlaveComputer.java:262)
	at jenkins.util.ContextResettingExecutorService$2.call(ContextResettingExecutorService.java:46)
	at java.util.concurrent.FutureTask.run(FutureTask.java:266)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

	Number of locked synchronizers = 1
	- java.util.concurrent.ThreadPoolExecutor$Worker@7406857c

"EC2 alive slaves monitor thread" Id=28895 Group=main BLOCKED on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f owned by "jenkins.util.Timer [#4]" Id=32
	at hudson.plugins.ec2.EC2Cloud.connect(EC2Cloud.java:634)
	-  blocked on hudson.plugins.ec2.AmazonEC2Cloud@7810f48f
	at hudson.plugins.ec2.EC2AbstractSlave.getInstance(EC2AbstractSlave.java:277)
	at hudson.plugins.ec2.EC2AbstractSlave.fetchLiveInstanceData(EC2AbstractSlave.java:429)
	at hudson.plugins.ec2.EC2AbstractSlave.isAlive(EC2AbstractSlave.java:397)
	at hudson.plugins.ec2.EC2SlaveMonitor.execute(EC2SlaveMonitor.java:43)
	at hudson.model.AsyncPeriodicWork$1.run(AsyncPeriodicWork.java:101)
	at java.lang.Thread.run(Thread.java:748)

"jenkins.util.Timer [#4]" Id=32 Group=main RUNNABLE (in native)
	at java.net.SocketInputStream.socketRead0(Native Method)
	at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
	at java.net.SocketInputStream.read(SocketInputStream.java:171)
	at java.net.SocketInputStream.read(SocketInputStream.java:141)
	at sun.security.ssl.InputRecord.readFully(InputRecord.java:465)
	at sun.security.ssl.InputRecord.readV3Record(InputRecord.java:593)
	at sun.security.ssl.InputRecord.read(InputRecord.java:532)
	at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:983)
	-  locked java.lang.Object@1eaa4125
	at sun.security.ssl.SSLSocketImpl.readDataRecord(SSLSocketImpl.java:940)
	at sun.security.ssl.AppInputStream.read(AppInputStream.java:105)
	-  locked sun.security.ssl.AppInputStream@b24282c
	at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:139)
	at org.apache.http.impl.io.SessionInputBufferImpl.read(SessionInputBufferImpl.java:200)
	at org.apache.http.impl.io.ChunkedInputStream.read(ChunkedInputStream.java:191)
	at org.apache.http.conn.EofSensorInputStream.read(EofSensorInputStream.java:137)
	at com.amazonaws.internal.SdkFilterInputStream.read(SdkFilterInputStream.java:72)
	at com.amazonaws.event.ProgressInputStream.read(ProgressInputStream.java:180)
	at java.io.FilterInputStream.read(FilterInputStream.java:107)
	at com.ctc.wstx.io.UTF8Reader.loadMore(UTF8Reader.java:365)
	at com.ctc.wstx.io.UTF8Reader.read(UTF8Reader.java:110)
	at com.ctc.wstx.io.ReaderSource.readInto(ReaderSource.java:84)
	at com.ctc.wstx.io.BranchingReaderSource.readInto(BranchingReaderSource.java:57)
	at com.ctc.wstx.sr.StreamScanner.loadMoreFromCurrent(StreamScanner.java:1046)
	at com.ctc.wstx.sr.StreamScanner.parseLocalName2(StreamScanner.java:1796)
	at com.ctc.wstx.sr.StreamScanner.parseLocalName(StreamScanner.java:1756)
	at com.ctc.wstx.sr.BasicStreamReader.handleStartElem(BasicStreamReader.java:2914)
	at com.ctc.wstx.sr.BasicStreamReader.nextFromTree(BasicStreamReader.java:2848)
	at com.ctc.wstx.sr.BasicStreamReader.next(BasicStreamReader.java:1019)
	at com.ctc.wstx.evt.WstxEventReader.peek(WstxEventReader.java:306)
	at com.amazonaws.transform.StaxUnmarshallerContext.nextEvent(StaxUnmarshallerContext.java:220)
	at com.amazonaws.services.ec2.model.transform.InstanceStaxUnmarshaller.unmarshall(InstanceStaxUnmarshaller.java:42)
	at com.amazonaws.services.ec2.model.transform.ReservationStaxUnmarshaller.unmarshall(ReservationStaxUnmarshaller.java:79)
	at com.amazonaws.services.ec2.model.transform.DescribeInstancesResultStaxUnmarshaller.unmarshall(DescribeInstancesResultStaxUnmarshaller.java:54)
	at com.amazonaws.services.ec2.model.transform.DescribeInstancesResultStaxUnmarshaller.unmarshall(DescribeInstancesResultStaxUnmarshaller.java:30)
	at com.amazonaws.http.StaxResponseHandler.handle(StaxResponseHandler.java:102)
	at com.amazonaws.http.StaxResponseHandler.handle(StaxResponseHandler.java:44)
	at com.amazonaws.http.response.AwsResponseHandlerAdapter.handle(AwsResponseHandlerAdapter.java:70)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleResponse(AmazonHttpClient.java:1503)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1226)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1030)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:742)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:716)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
	at com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
	at com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
	at com.amazonaws.services.ec2.AmazonEC2Client.doInvoke(AmazonEC2Client.java:13551)
	at com.amazonaws.services.ec2.AmazonEC2Client.invoke(AmazonEC2Client.java:13527)
	at com.amazonaws.services.ec2.AmazonEC2Client.executeDescribeInstances(AmazonEC2Client.java:6530)
	at com.amazonaws.services.ec2.AmazonEC2Client.describeInstances(AmazonEC2Client.java:6506)
	at com.amazonaws.services.ec2.AmazonEC2Client.describeInstances(AmazonEC2Client.java:6542)
	at hudson.plugins.ec2.EC2Cloud.countCurrentEC2Slaves(EC2Cloud.java:363)
	at hudson.plugins.ec2.EC2Cloud.getPossibleNewSlavesCount(EC2Cloud.java:499)
	at hudson.plugins.ec2.EC2Cloud.getNewOrExistingAvailableSlave(EC2Cloud.java:518)
	-  locked hudson.plugins.ec2.AmazonEC2Cloud@7810f48f
	at hudson.plugins.ec2.EC2Cloud.provision(EC2Cloud.java:547)
	at hudson.slaves.NodeProvisioner$StandardStrategyImpl.apply(NodeProvisioner.java:715)
	at hudson.slaves.NodeProvisioner.update(NodeProvisioner.java:320)
	at hudson.slaves.NodeProvisioner.access$000(NodeProvisioner.java:61)
	at hudson.slaves.NodeProvisioner$NodeProvisionerInvoker.doRun(NodeProvisioner.java:809)
	at hudson.triggers.SafeTimerTask.run(SafeTimerTask.java:51)
	at jenkins.security.ImpersonatingScheduledExecutorService$1.run(ImpersonatingScheduledExecutorService.java:58)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
	at java.util.concurrent.FutureTask.runAndReset(FutureTask.java:308)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:180)
	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:294)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)

	Number of locked synchronizers = 2
	- java.util.concurrent.ThreadPoolExecutor$Worker@7e6e530
	- java.util.concurrent.locks.ReentrantLock$NonfairSync@72bc74b7