And here is another jstack while the build is hung at a different spot.
There are no *.lock files in my local repository so the deadlock is not
mediated by the filesystem.
Hung builds eventually complete after 30-45 minutes, but this is enough
for Travis to notice their silence and kill them. Deadlock I think not
livelock because zero CPU is being consumed.
On 18/12/17 21:42, Ben Caradoc-Davies wrote:
I have been able to reproduce build hangs locally in src/community with:
mvn -B -T4 -U -Prelease -PcommunityRelease -DskipTests clean install
The hangs occur *only* with Maven 3.5.2, -U, and -T4.
- Maven 3.5.0 -> no hang
- Single threaded (no -T) - > no hang
- No -U (so reduced downloads) -> no hang
The latest Travis release updated to Maven 3.5.2, causing the problem.
Travis is blameless, and my endless tinkering with travis_wait and other
settings in .travis.yml was to no avail. This is a Maven problem.
jstack shows clear evidence of a deadlock during multi-threaded
dependency resolution (attached).
The build eventually recovers (some of the locks are a TIMED__WAIT).
GeoTools does not use -U because it has no SNAPSHOT dependencies and is
thus unaffected.
Removing -T is not an option because we have seen hangs in the main
build as well and the single-threaded build is too slow.
Kind regards,
Ben.
On 18/12/17 12:41, Ben Caradoc-Davies wrote:
We are not the only users having problems:
https://github.com/travis-ci/travis-ci/issues
On 18/12/17 12:29, Ben Caradoc-Davies wrote:
The Travis failures we are experiencing started with the rollout of
new trusty images about six days ago:
https://blog.travis-ci.com/2017-12-12-new-trusty-images-q4-launch
Kind regards,
------------------------------------------------------------------------------
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--
Ben Caradoc-Davies <[email protected]>
Director
Transient Software Limited <https://transient.nz/>
New Zealand
2017-12-18 21:45:02
Full thread dump OpenJDK 64-Bit Server VM (25.151-b12 mixed mode):
"Attach Listener" #225 daemon prio=9 os_prio=0 tid=0x00007effe4001000
nid=0x513d waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"process reaper" #220 daemon prio=10 os_prio=0 tid=0x00007effbc630800
nid=0x50b3 waiting on condition [0x00007f00036f9000]
java.lang.Thread.State: TIMED_WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fdb6f2c8> (a
java.util.concurrent.SynchronousQueue$TransferStack)
at
java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)
at
java.util.concurrent.SynchronousQueue$TransferStack.awaitFulfill(SynchronousQueue.java:460)
at
java.util.concurrent.SynchronousQueue$TransferStack.transfer(SynchronousQueue.java:362)
at java.util.concurrent.SynchronousQueue.poll(SynchronousQueue.java:941)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1073)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-6-2" #35 daemon prio=5 os_prio=0
tid=0x00007effd0005000 nid=0x4fc8 waiting on condition [0x00007f0008ffd000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fdb6f810> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-6-1" #34 daemon prio=5 os_prio=0
tid=0x00007effd0009000 nid=0x4fc7 waiting on condition [0x00007f0010469000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fdb6f810> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-6-0" #33 daemon prio=5 os_prio=0
tid=0x00007effd0007000 nid=0x4fc6 waiting on condition [0x00007f0010267000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.lock(PartialFile.java:113)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.<init>(PartialFile.java:69)
at
org.eclipse.aether.connector.basic.PartialFile$Factory.newInstance(PartialFile.java:278)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:438)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:360)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:583)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:232)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:593)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-5-2" #32 daemon prio=5 os_prio=0
tid=0x00007effc8015000 nid=0x4fc5 waiting on condition [0x00007f0008efc000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fdbb0b78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-5-1" #31 daemon prio=5 os_prio=0
tid=0x00007effc8007000 nid=0x4fc4 waiting on condition [0x00007f0010368000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000fdbb0b78> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-5-0" #30 daemon prio=5 os_prio=0
tid=0x00007effc800b000 nid=0x4fc3 waiting on condition [0x00007f0008af8000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.lock(PartialFile.java:113)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.<init>(PartialFile.java:69)
at
org.eclipse.aether.connector.basic.PartialFile$Factory.newInstance(PartialFile.java:278)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:438)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:360)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:583)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:232)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:593)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-2-2" #26 daemon prio=5 os_prio=0
tid=0x00007effc4010000 nid=0x4fbe waiting on condition [0x00007f00089f7000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000e2f1bf98> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-2-1" #22 daemon prio=5 os_prio=0
tid=0x00007effc400e800 nid=0x4fbb waiting on condition [0x00007f0008cfa000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000e2f1bf98> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"DefaultMetadataResolver-2-0" #16 daemon prio=5 os_prio=0
tid=0x00007effc4009000 nid=0x4fb3 waiting on condition [0x00007f001056a000]
java.lang.Thread.State: TIMED_WAITING (sleeping)
at java.lang.Thread.sleep(Native Method)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.lock(PartialFile.java:113)
at
org.eclipse.aether.connector.basic.PartialFile$LockFile.<init>(PartialFile.java:69)
at
org.eclipse.aether.connector.basic.PartialFile$Factory.newInstance(PartialFile.java:278)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:438)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:360)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:583)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:232)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver$ResolveTask.run(DefaultMetadataResolver.java:593)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:75)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"BuilderThread 3" #14 prio=5 os_prio=0 tid=0x00007f0034a36800 nid=0x4fb2
waiting on condition [0x00007f0010a96000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000e0f2c098> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"BuilderThread 2" #13 prio=5 os_prio=0 tid=0x00007f0034a34800 nid=0x4fb1
waiting on condition [0x00007f0010b95000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.awaitTerminationOfAllRunnables(RunnableErrorForwarder.java:137)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.await(RunnableErrorForwarder.java:104)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:371)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:191)
at
org.apache.maven.repository.internal.DefaultVersionResolver.resolveVersion(DefaultVersionResolver.java:233)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:280)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:224)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:201)
at
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:174)
at
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:224)
at
org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1051)
at
org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:829)
at
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:331)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:314)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:192)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:539)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:522)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:411)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:365)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:353)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:256)
at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:282)
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:169)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:223)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:145)
at
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:246)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:200)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:196)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
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)
"BuilderThread 1" #12 prio=5 os_prio=0 tid=0x00007f0034a31800 nid=0x4fb0
waiting on condition [0x00007f0010ec2000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.awaitTerminationOfAllRunnables(RunnableErrorForwarder.java:137)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.await(RunnableErrorForwarder.java:104)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:371)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:191)
at
org.apache.maven.repository.internal.DefaultVersionResolver.resolveVersion(DefaultVersionResolver.java:233)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:225)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:192)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:539)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:522)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:411)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:365)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:353)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:256)
at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:282)
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:169)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:223)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:145)
at
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:246)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:200)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:196)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
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)
"BuilderThread 0" #11 prio=5 os_prio=0 tid=0x00007f0034a41000 nid=0x4faf
waiting on condition [0x00007f0010fc2000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:304)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.awaitTerminationOfAllRunnables(RunnableErrorForwarder.java:137)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder.await(RunnableErrorForwarder.java:104)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolve(DefaultMetadataResolver.java:371)
at
org.eclipse.aether.internal.impl.DefaultMetadataResolver.resolveMetadata(DefaultMetadataResolver.java:191)
at
org.apache.maven.repository.internal.DefaultVersionResolver.resolveVersion(DefaultVersionResolver.java:233)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:280)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:224)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:201)
at
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:174)
at
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel(DefaultModelResolver.java:224)
at
org.apache.maven.model.building.DefaultModelBuilder.readParentExternally(DefaultModelBuilder.java:1051)
at
org.apache.maven.model.building.DefaultModelBuilder.readParent(DefaultModelBuilder.java:829)
at
org.apache.maven.model.building.DefaultModelBuilder.build(DefaultModelBuilder.java:331)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:314)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:192)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:539)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:522)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:411)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:365)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:353)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:256)
at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:282)
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:169)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:223)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:145)
at
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:246)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:154)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:146)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:200)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:196)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
"Service Thread" #9 daemon prio=9 os_prio=0 tid=0x00007f00340cc000 nid=0x4fad
runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C1 CompilerThread3" #8 daemon prio=9 os_prio=0 tid=0x00007f00340bf000
nid=0x4fac waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread2" #7 daemon prio=9 os_prio=0 tid=0x00007f00340ba800
nid=0x4fab waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread1" #6 daemon prio=9 os_prio=0 tid=0x00007f00340b8800
nid=0x4faa waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"C2 CompilerThread0" #5 daemon prio=9 os_prio=0 tid=0x00007f00340b5800
nid=0x4fa9 waiting on condition [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Signal Dispatcher" #4 daemon prio=9 os_prio=0 tid=0x00007f00340b3800
nid=0x4fa8 runnable [0x0000000000000000]
java.lang.Thread.State: RUNNABLE
"Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007f003408c000 nid=0x4fa7 in
Object.wait() [0x00007f0012581000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000e2f2b170> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:143)
- locked <0x00000000e2f2b170> (a java.lang.ref.ReferenceQueue$Lock)
at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:164)
at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:209)
"Reference Handler" #2 daemon prio=10 os_prio=0 tid=0x00007f0034087800
nid=0x4fa6 in Object.wait() [0x00007f0012682000]
java.lang.Thread.State: WAITING (on object monitor)
at java.lang.Object.wait(Native Method)
- waiting on <0x00000000e1831408> (a java.lang.ref.Reference$Lock)
at java.lang.Object.wait(Object.java:502)
at java.lang.ref.Reference.tryHandlePending(Reference.java:191)
- locked <0x00000000e1831408> (a java.lang.ref.Reference$Lock)
at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:153)
"main" #1 prio=5 os_prio=0 tid=0x00007f003400a000 nid=0x4f9c waiting on
condition [0x00007f003d332000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x00000000e0f2c970> (a
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.await(AbstractQueuedSynchronizer.java:2039)
at
java.util.concurrent.LinkedBlockingQueue.take(LinkedBlockingQueue.java:442)
at
java.util.concurrent.ExecutorCompletionService.take(ExecutorCompletionService.java:193)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder.multiThreadedProjectTaskSegmentBuild(MultiThreadedBuilder.java:140)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder.build(MultiThreadedBuilder.java:101)
at
org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:309)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:194)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:107)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:955)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:290)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:194)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
at
org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
at
org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
at
org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
"VM Thread" os_prio=0 tid=0x00007f003407f800 nid=0x4fa5 runnable
"GC task thread#0 (ParallelGC)" os_prio=0 tid=0x00007f003401f000 nid=0x4f9d
runnable
"GC task thread#1 (ParallelGC)" os_prio=0 tid=0x00007f0034021000 nid=0x4f9e
runnable
"GC task thread#2 (ParallelGC)" os_prio=0 tid=0x00007f0034022800 nid=0x4f9f
runnable
"GC task thread#3 (ParallelGC)" os_prio=0 tid=0x00007f0034024800 nid=0x4fa0
runnable
"GC task thread#4 (ParallelGC)" os_prio=0 tid=0x00007f0034026000 nid=0x4fa1
runnable
"GC task thread#5 (ParallelGC)" os_prio=0 tid=0x00007f0034028000 nid=0x4fa2
runnable
"GC task thread#6 (ParallelGC)" os_prio=0 tid=0x00007f0034029800 nid=0x4fa3
runnable
"GC task thread#7 (ParallelGC)" os_prio=0 tid=0x00007f003402b800 nid=0x4fa4
runnable
"VM Periodic Task Thread" os_prio=0 tid=0x00007f00340ce800 nid=0x4fae waiting
on condition
JNI global references: 265
------------------------------------------------------------------------------
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