I have a slave with the Windows XP, where builds sometimes stuck. Its stuck 
aproximately once from 15 runs.
The build console shows only:

Started by user anonymous
Building remotely on X in workspace Y.

And stuck forever.


I have Jenkins 1.575, but same stuck occured in previous version too. I have 
updated jenkins slave multiple times too.

Do somebody knows, what is the cause?

The Thread Dump of the slave is (after few hours of the stuck):


Channel reader thread: channel

"Channel reader thread: channel" Id=10 Group=main RUNNABLE (in native)
        at java.net.SocketInputStream.socketRead0(Native Method)
        at java.net.SocketInputStream.read(SocketInputStream.java:129)
        at java.io.BufferedInputStream.fill(BufferedInputStream.java:218)
        at java.io.BufferedInputStream.read(BufferedInputStream.java:237)
        -  locked java.io.BufferedInputStream@100edc0
        at 
hudson.remoting.FlightRecorderInputStream.read(FlightRecorderInputStream.java:82)
        at 
hudson.remoting.ChunkedInputStream.readHeader(ChunkedInputStream.java:67)
        at 
hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:93)
        at 
hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:33)
        at 
hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
        at 
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)


main

"main" Id=1 Group=main WAITING on hudson.remoting.Engine@18412e1
        at java.lang.Object.wait(Native Method)
        -  waiting on hudson.remoting.Engine@18412e1
        at java.lang.Thread.join(Thread.java:1143)
        at java.lang.Thread.join(Thread.java:1196)
        at hudson.remoting.jnlp.Main.main(Main.java:137)
        at hudson.remoting.jnlp.Main._main(Main.java:130)
        at hudson.remoting.Launcher.run(Launcher.java:227)
        at hudson.remoting.Launcher.main(Launcher.java:192)


Ping thread for channel hudson.remoting.Channel@11ca803:channel

"Ping thread for channel hudson.remoting.Channel@11ca803:channel" Id=17 
Group=main TIMED_WAITING
        at java.lang.Thread.sleep(Native Method)
        at hudson.remoting.PingThread.run(PingThread.java:86)


pool-1-thread-10 for channel

"pool-1-thread-10 for channel" Id=22 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@ddf89


pool-1-thread-104 for channel

"pool-1-thread-104 for channel" Id=117 Group=main RUNNABLE
        at 
hudson.util.jna.Kernel32Utils.getWin32FileAttributes(Kernel32Utils.java:77)
        at 
hudson.util.jna.Kernel32Utils.isJunctionOrSymlink(Kernel32Utils.java:98)
        at hudson.Util.isSymlink(Util.java:340)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.isSymlink(DiskUsageUtil.java:277)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.getFileSize(DiskUsageUtil.java:294)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:534)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:515)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@3f68d7


pool-1-thread-106 for channel

"pool-1-thread-106 for channel" Id=119 Group=main RUNNABLE
        at 
hudson.util.jna.Kernel32Utils.getWin32FileAttributes(Kernel32Utils.java:77)
        at 
hudson.util.jna.Kernel32Utils.isJunctionOrSymlink(Kernel32Utils.java:98)
        at hudson.Util.isSymlink(Util.java:340)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.isSymlink(DiskUsageUtil.java:277)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.getFileSize(DiskUsageUtil.java:294)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:534)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:515)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@4f06ad


pool-1-thread-108 for channel

"pool-1-thread-108 for channel" Id=121 Group=main RUNNABLE
        at 
hudson.util.jna.Kernel32Utils.getWin32FileAttributes(Kernel32Utils.java:77)
        at 
hudson.util.jna.Kernel32Utils.isJunctionOrSymlink(Kernel32Utils.java:98)
        at hudson.Util.isSymlink(Util.java:340)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.isSymlink(DiskUsageUtil.java:277)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.getFileSize(DiskUsageUtil.java:294)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:534)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:515)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@757105


pool-1-thread-110 for channel

"pool-1-thread-110 for channel" Id=123 Group=main RUNNABLE
        at 
hudson.util.jna.Kernel32Utils.getWin32FileAttributes(Kernel32Utils.java:77)
        at 
hudson.util.jna.Kernel32Utils.isJunctionOrSymlink(Kernel32Utils.java:98)
        at hudson.Util.isSymlink(Util.java:340)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.isSymlink(DiskUsageUtil.java:277)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.getFileSize(DiskUsageUtil.java:294)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:534)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:515)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@1594f8c


pool-1-thread-111 for channel

"pool-1-thread-111 for channel" Id=124 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@c11156


pool-1-thread-127 for channel

"pool-1-thread-127 for channel" Id=140 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@ddffbd


pool-1-thread-142 for channel

"pool-1-thread-142 for channel" Id=155 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@893021


pool-1-thread-145 for channel

"pool-1-thread-145 for channel" Id=158 Group=main RUNNABLE
        at sun.management.ThreadImpl.dumpThreads0(Native Method)
        at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:374)
        at hudson.Functions.getThreadInfos(Functions.java:1153)
        at 
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:95)
        at 
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:92)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@15f80d4


pool-1-thread-2 for channel

"pool-1-thread-2 for channel" Id=13 Group=main RUNNABLE
        at com.sun.jna.Native.initIDs(Native Method)
        at com.sun.jna.Native.<clinit>(Native.java:122)
        at 
org.tmatesoft.svn.core.internal.util.jna.JNALibraryLoader.<clinit>(JNALibraryLoader.java:50)
        at 
org.tmatesoft.svn.core.internal.util.jna.SVNWin32Util.getApplicationDataPath(SVNWin32Util.java:93)
        at 
org.tmatesoft.svn.core.internal.util.jna.SVNJNAUtil.getApplicationDataPath(SVNJNAUtil.java:196)
        at 
org.tmatesoft.svn.core.internal.wc.SVNFileUtil.getApplicationDataPath(SVNFileUtil.java:1869)
        at 
org.tmatesoft.svn.core.wc.SVNWCUtil.getDefaultConfigurationDirectory(SVNWCUtil.java:57)
        at 
hudson.scm.SubversionSCM.createSvnAuthenticationManager(SubversionSCM.java:1070)
        at hudson.scm.SubversionSCM.createClientManager(SubversionSCM.java:1047)
        at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:980)
        at hudson.scm.SubversionSCM$CheckOutTask.invoke(SubversionSCM.java:960)
        at hudson.FilePath$FileCallableWrapper.call(FilePath.java:2492)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@16a4985


pool-1-thread-25 for channel

"pool-1-thread-25 for channel" Id=37 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@c91722


pool-1-thread-4 for channel

"pool-1-thread-4 for channel" Id=15 Group=main RUNNABLE
        at com.sun.jna.Structure.<clinit>(Structure.java:134)
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@1cf95a8


pool-1-thread-41 for channel

"pool-1-thread-41 for channel" Id=53 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@18f443d


pool-1-thread-56 for channel

"pool-1-thread-56 for channel" Id=68 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@14704d9


pool-1-thread-7 for channel

"pool-1-thread-7 for channel" Id=19 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@cec888


pool-1-thread-70 for channel

"pool-1-thread-70 for channel" Id=82 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@116f944


pool-1-thread-87 for channel

"pool-1-thread-87 for channel" Id=99 Group=main RUNNABLE
        at org.jvnet.hudson.Windows.monitor(Windows.java:40)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:113)
        at 
hudson.node_monitors.SwapSpaceMonitor$MonitorTask.call(SwapSpaceMonitor.java:103)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@1bb7179


pool-1-thread-99 for channel

"pool-1-thread-99 for channel" Id=111 Group=main RUNNABLE
        at hudson.util.jna.Kernel32Utils.load(Kernel32Utils.java:112)
        at hudson.util.jna.Kernel32.<clinit>(Kernel32.java:37)
        at 
hudson.util.jna.Kernel32Utils.getWin32FileAttributes(Kernel32Utils.java:77)
        at 
hudson.util.jna.Kernel32Utils.isJunctionOrSymlink(Kernel32Utils.java:98)
        at hudson.Util.isSymlink(Util.java:340)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.isSymlink(DiskUsageUtil.java:277)
        at 
hudson.plugins.disk_usage.DiskUsageUtil.getFileSize(DiskUsageUtil.java:294)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:534)
        at 
hudson.plugins.disk_usage.DiskUsageUtil$DiskUsageCallable.call(DiskUsageUtil.java:515)
        at hudson.remoting.UserRequest.perform(UserRequest.java:118)
        at hudson.remoting.UserRequest.perform(UserRequest.java:48)
        at hudson.remoting.Request$2.run(Request.java:328)
        at 
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:72)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
        at java.util.concurrent.FutureTask.run(FutureTask.java:138)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
        at hudson.remoting.Engine$1$1.run(Engine.java:63)
        at java.lang.Thread.run(Thread.java:619)

        Number of locked synchronizers = 1
        - java.util.concurrent.locks.ReentrantLock$NonfairSync@fbfd6e


Thread-1

"Thread-1" Id=9 Group=main TIMED_WAITING on hudson.remoting.Channel@11ca803
        at java.lang.Object.wait(Native Method)
        -  waiting on hudson.remoting.Channel@11ca803
        at hudson.remoting.Channel.join(Channel.java:874)
        at hudson.remoting.Engine.run(Engine.java:287)


Attach Listener

"Attach Listener" Id=4 Group=system RUNNABLE


Finalizer

"Finalizer" Id=3 Group=system WAITING on 
java.lang.ref.ReferenceQueue$Lock@1f904df
        at java.lang.Object.wait(Native Method)
        -  waiting on java.lang.ref.ReferenceQueue$Lock@1f904df
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:116)
        at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:132)
        at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)


Reference Handler

"Reference Handler" Id=2 Group=system WAITING on 
java.lang.ref.Reference$Lock@1af0d15
        at java.lang.Object.wait(Native Method)
        -  waiting on java.lang.ref.Reference$Lock@1af0d15
        at java.lang.Object.wait(Object.java:485)
        at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)


Remote Class Loader StatisticsLoading TypeTime (s)CountClasses1.2467 
(prefetch cache: 237)Resources0.03


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