The maven repository used is one local to the executor. It is not
particularly huge. Note that developers executing builds locally of the
same module do not see this problem.
Doing a threaddump at the moment where it is scanning for projects revealed
nothing special:
Channel reader thread: channel
"Channel reader thread: channel" Id=11 Group=main RUNNABLE (in native)
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:152)
at java.net.SocketInputStream.read(SocketInputStream.java:122)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read(BufferedInputStream.java:254)
- locked java.io.BufferedInputStream@461b57
at
hudson.remoting.FlightRecorderInputStream.read(FlightRecorderInputStream.java:82)
at
hudson.remoting.ChunkedInputStream.readHeader(ChunkedInputStream.java:72)
at
hudson.remoting.ChunkedInputStream.readUntilBreak(ChunkedInputStream.java:103)
at
hudson.remoting.ChunkedCommandTransport.readBlock(ChunkedCommandTransport.java:39)
at
hudson.remoting.AbstractSynchronousByteArrayCommandTransport.read(AbstractSynchronousByteArrayCommandTransport.java:34)
at
hudson.remoting.SynchronousCommandTransport$ReaderThread.run(SynchronousCommandTransport.java:48)
main
"main" Id=1 Group=main WAITING on hudson.remoting.Engine@1e8b327
at java.lang.Object.wait(Native Method)
- waiting on hudson.remoting.Engine@1e8b327
at java.lang.Thread.join(Thread.java:1281)
at java.lang.Thread.join(Thread.java:1355)
at hudson.remoting.jnlp.Main.main(Main.java:137)
at hudson.remoting.jnlp.Main._main(Main.java:130)
at hudson.remoting.Launcher.run(Launcher.java:228)
at hudson.remoting.Launcher.main(Launcher.java:192)
Ping thread for channel hudson.remoting.Channel@dc51c8:channel
"Ping thread for channel hudson.remoting.Channel@dc51c8:channel" Id=13
Group=main TIMED_WAITING
at java.lang.Thread.sleep(Native Method)
at hudson.remoting.PingThread.run(PingThread.java:90)
pool-1-svnkit-thread-1
"pool-1-svnkit-thread-1" Id=40 Group=main WAITING on
java.util.concurrent.SynchronousQueue$TransferStack@9842bf
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.SynchronousQueue$TransferStack@9842bf
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:925)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
pool-1-svnkit-thread-2
"pool-1-svnkit-thread-2" Id=77 Group=main WAITING on
java.util.concurrent.SynchronousQueue$TransferStack@9842bf
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.SynchronousQueue$TransferStack@9842bf
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:186)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:458)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
at java.util.concurrent.SynchronousQueue.take(SynchronousQueue.java:925)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
pool-1-thread-94
"pool-1-thread-94" Id=172 Group=main TIMED_WAITING on
java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
pool-1-thread-95 for channel
"pool-1-thread-95 for channel" Id=173 Group=main RUNNABLE
at sun.management.ThreadImpl.dumpThreads0(Native Method)
at sun.management.ThreadImpl.dumpAllThreads(ThreadImpl.java:446)
at hudson.Functions.getThreadInfos(Functions.java:1200)
at
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:98)
at
hudson.util.RemotingDiagnostics$GetThreadDump.call(RemotingDiagnostics.java:95)
at hudson.remoting.UserRequest.perform(UserRequest.java:120)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:326)
at
hudson.remoting.InterceptingExecutorService$1.call(InterceptingExecutorService.java:68)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
Number of locked synchronizers = 1
- java.util.concurrent.ThreadPoolExecutor$Worker@6cf7f4
pool-1-thread-96
"pool-1-thread-96" Id=174 Group=main TIMED_WAITING on
java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
pool-1-thread-97
"pool-1-thread-97" Id=175 Group=main TIMED_WAITING on
java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at sun.misc.Unsafe.park(Native Method)
- waiting on java.util.concurrent.SynchronousQueue$TransferStack@3d2642
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:226)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:359)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:942)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1068)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at hudson.remoting.Engine$1$1.run(Engine.java:62)
at java.lang.Thread.run(Thread.java:745)
RemoteInvocationHandler [#1]
"RemoteInvocationHandler [#1]" Id=10 Group=main TIMED_WAITING on
java.lang.ref.ReferenceQueue$Lock@ad0aa4
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@ad0aa4
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
at
hudson.remoting.RemoteInvocationHandler$Unexporter.run(RemoteInvocationHandler.java:415)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
hudson.remoting.AtmostOneThreadExecutor$Worker.run(AtmostOneThreadExecutor.java:110)
at java.lang.Thread.run(Thread.java:745)
Thread-1
"Thread-1" Id=9 Group=main TIMED_WAITING on hudson.remoting.Channel@dc51c8
at java.lang.Object.wait(Native Method)
- waiting on hudson.remoting.Channel@dc51c8
at hudson.remoting.Channel.join(Channel.java:948)
at hudson.remoting.Engine.run(Engine.java:267)
Attach Listener
"Attach Listener" Id=4 Group=system RUNNABLE
Finalizer
"Finalizer" Id=3 Group=system WAITING on
java.lang.ref.ReferenceQueue$Lock@95be5d
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.ReferenceQueue$Lock@95be5d
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:135)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:151)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
Reference Handler
"Reference Handler" Id=2 Group=system WAITING on
java.lang.ref.Reference$Lock@104d42c
at java.lang.Object.wait(Native Method)
- waiting on java.lang.ref.Reference$Lock@104d42c
at java.lang.Object.wait(Object.java:503)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:133)
Jorg
On Tuesday, May 31, 2016 at 1:08:19 PM UTC+2, Daniel Beck wrote:
>
> Is there a workspace-private local Maven repository? Maybe repository
> operations (up to date check?) take long…
>
> I think for Maven jobs, you should be able to see internal state (current
> threads' stacks?) in the Jenkins UI.
>
> > On 30.05.2016, at 10:14, Jorg Heymans <[email protected] <javascript:>>
> wrote:
> >
> > Interestingly, executing offline with -o makes the problem disappear.
> But this is obviously not a solution for me..
> >
> > Jorg
> >
> > On Monday, May 30, 2016 at 9:52:04 AM UTC+2, Jorg Heymans wrote:
> > Sadly there is no additional debug output being emitted during the
> 'scanning for projects' phase, with -X set.
> >
> > 00:00:10.329
> > [DEBUG] Reading user settings from C:\.m2\settings.xml
> >
> > 00:00:10.378
> > [INFO] Scanning for projects...
> >
> > 00:00:56.941
> > [INFO]
>
> >
> > 00:00:56.950 [INFO]
> ------------------------------------------------------------------------
> >
> >
> > Also tried increasing heap and perm size, does not change anything. Is
> there an easy way to attach a profiler during a maven build ?
> >
> > Jorg
> >
> > On Sunday, May 29, 2016 at 12:12:36 PM UTC+2, Jorg Heymans wrote:
> > Good point! Trying this and will report back ...
> >
> > --
> > You received this message because you are subscribed to the Google
> Groups "Jenkins Users" group.
> > To unsubscribe from this group and stop receiving emails from it, send
> an email to [email protected] <javascript:>.
> > To view this discussion on the web visit
> https://groups.google.com/d/msgid/jenkinsci-users/77bdb41c-a14d-412b-94ac-6ebb005e918b%40googlegroups.com.
>
>
> > For more options, visit https://groups.google.com/d/optout.
>
>
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