"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