[
https://issues.apache.org/jira/browse/MDEP-518?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Troy Telford updated MDEP-518:
------------------------------
Description:
This issue sounds similar to MDEP-442, but it may be unrelated.
I suspect the same problem may occur in both {{dependency:resolve}} and
{{dependency:resolve-plugins}}.
The same error occurs when I use {{mvn install}}; but {{dependency:resolve}} is
a more tightly-focused problem report.
I have a large multi-module project, with more than 40 modules, and a large-ish
build node with 24 cores. {{mvn -T1C dependency:resolve
dependency:resolve-plugins}} will typically (94/100 attempts) fail to download
all of the dependencies required, with an error similar to:
{noformat}
Failed to read artifact descriptor for com.foo:machine:jar:1.2.3-SNAPSHOT:
Could not transfer artifact com.foo.somegroup:dependency_4:jar:3.0.0 from/to
snapshot-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory) -> [Help 1]
-> com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:220)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
at
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:257)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:188)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:184)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: org.apache.maven.project.DependencyResolutionException: Could not
resolve dependencies for project com.foo:machine:jar:1.2.3-SNAPSHOT: Failed to
collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
... 16 more
Caused by: org.eclipse.aether.collection.DependencyCollectionException: Failed
to collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
com.foo.somegroup:dependency_4:jar:3.0.0
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
... 17 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to
read artifact descriptor for com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:302)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:217)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:525)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:509)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
... 19 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not
transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
release-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:287)
... 38 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not
transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
release-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
... 41 more
Caused by: java.io.FileNotFoundException:
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:148)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:136)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.move(DefaultFileProcessor.java:211)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:472)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
... 46 more
{noformat}
* Note the '{{.part}}' extension to the missing pomfile. I see the same things
with jars, wars, etc. '{{.part}}' is _always_ tacked on to the end of the
artifact filename.
* The dependency that Maven can't download -- and even the module that fails --
changes from one run to the next.
* Subsequent builds attempts eventually download all dependencies to the local
Maven cache, after which there is no problem building.
Since I have to delete a substantial part of the local Maven cache for each
build, I can't really count on the Maven cache.
Using a single-thread build works fine.
was:
This issue sounds similar to MDEP-442, but it may be unrelated.
I suspect the same problem may occur in both {{dependency:resolve}} and
{{dependency:resolve-plugins}}.
The same error occurs when I use {{mvn install}}; but {{dependency:resolve}} is
a more tightly-focused problem report.
I have a large multi-module project, with more than 40 modules, and a large-ish
build node with 24 cores. {{mvn -T1C dependency:resolve
dependency:resolve-plugins}} will typically (94/100 attempts) fail to download
all of the dependencies required, with an error similar to:
{noformat}
Failed to read artifact descriptor for com.foo:machine:jar:1.2.3-SNAPSHOT:
Could not transfer artifact com.foo.somegroup:dependency_4:jar:3.0.0 from/to
snapshot-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory) -> [Help 1]
-> com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:220)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
at
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:257)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
at
org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:188)
at
org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:184)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:722)
Caused by: org.apache.maven.project.DependencyResolutionException: Could not
resolve dependencies for project com.foo:machine:jar:1.2.3-SNAPSHOT: Failed to
collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
at
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
... 16 more
Caused by: org.eclipse.aether.collection.DependencyCollectionException: Failed
to collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
com.foo.somegroup:dependency_4:jar:3.0.0
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
at
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
at
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
... 17 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to
read artifact descriptor for com.foo.somegroup:dependency_4:jar:3.0.0
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:302)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:217)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:525)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:509)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
at
org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
... 19 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could not
transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
release-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
at
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:287)
... 38 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not
transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
release-repository (https://nexus.foo.com/content/repositories/releases):
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
at
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
at
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
... 41 more
Caused by: java.io.FileNotFoundException:
/home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
(No such file or directory)
at java.io.FileInputStream.open(Native Method)
at java.io.FileInputStream.<init>(FileInputStream.java:138)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:148)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:136)
at
org.eclipse.aether.internal.impl.DefaultFileProcessor.move(DefaultFileProcessor.java:211)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:472)
at
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
... 46 more
{noformat}
* Note the '{{.part}}' extension to the missing pomfile. I see the same things
with jars, wars, etc. '{{.part}}' is _always_ tacked on to the end of the
artifact filename.
* The dependency that Maven can't download -- and even the module that fails --
changes from one run to the next.
* Subsequent builds attempts eventually download all dependencies to the local
Maven cache, after which there is no problem building.
Since I have to delete a substantial part of the local Maven cache for each
build, I can't really count on the Maven cache.
Using a single-thread build works fine.
> Dependency resolution fails in threaded builds
> ----------------------------------------------
>
> Key: MDEP-518
> URL: https://issues.apache.org/jira/browse/MDEP-518
> Project: Maven Dependency Plugin
> Issue Type: Bug
> Components: resolve, resolve-plugins
> Affects Versions: 2.10
> Environment: Linux
> Reporter: Troy Telford
>
> This issue sounds similar to MDEP-442, but it may be unrelated.
> I suspect the same problem may occur in both {{dependency:resolve}} and
> {{dependency:resolve-plugins}}.
> The same error occurs when I use {{mvn install}}; but {{dependency:resolve}}
> is a more tightly-focused problem report.
> I have a large multi-module project, with more than 40 modules, and a
> large-ish build node with 24 cores. {{mvn -T1C dependency:resolve
> dependency:resolve-plugins}} will typically (94/100 attempts) fail to
> download all of the dependencies required, with an error similar to:
> {noformat}
> Failed to read artifact descriptor for com.foo:machine:jar:1.2.3-SNAPSHOT:
> Could not transfer artifact com.foo.somegroup:dependency_4:jar:3.0.0 from/to
> snapshot-repository (https://nexus.foo.com/content/repositories/releases):
> /home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
> (No such file or directory) -> [Help 1]
> -> com.foo.somegroup:dependency_4:jar:3.0.0
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:220)
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies(LifecycleDependencyResolver.java:127)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved(MojoExecutor.java:257)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:200)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:116)
> at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:188)
> at
> org.apache.maven.lifecycle.internal.builder.multithreaded.MultiThreadedBuilder$1.call(MultiThreadedBuilder.java:184)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
> at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
> at java.util.concurrent.FutureTask.run(FutureTask.java:166)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> at java.lang.Thread.run(Thread.java:722)
> Caused by: org.apache.maven.project.DependencyResolutionException: Could not
> resolve dependencies for project com.foo:machine:jar:1.2.3-SNAPSHOT: Failed
> to collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
> com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
> com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
> com.foo.somegroup:dependency_4:jar:3.0.0
> at
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:180)
> at
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies(LifecycleDependencyResolver.java:195)
> ... 16 more
> Caused by: org.eclipse.aether.collection.DependencyCollectionException:
> Failed to collect dependencies at com.foo:dependency_1:jar:1.2.3-SNAPSHOT ->
> com.foo:dependency_2:jar:1.2.3-SNAPSHOT ->
> com.foo:dependency_3:jar:1.2.3-SNAPSHOT ->
> com.foo.somegroup:dependency_4:jar:3.0.0
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:291)
> at
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:316)
> at
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve(DefaultProjectDependenciesResolver.java:172)
> ... 17 more
> Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed
> to read artifact descriptor for com.foo.somegroup:dependency_4:jar:3.0.0
> at
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:302)
> at
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor(DefaultArtifactDescriptorReader.java:217)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.resolveCachedArtifactDescriptor(DefaultDependencyCollector.java:525)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.getArtifactDescriptorResult(DefaultDependencyCollector.java:509)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:409)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.doRecurse(DefaultDependencyCollector.java:494)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:458)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:363)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.process(DefaultDependencyCollector.java:351)
> at
> org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:254)
> ... 19 more
> Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Could
> not transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
> release-repository (https://nexus.foo.com/content/repositories/releases):
> /home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
> (No such file or directory)
> at
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:444)
> at
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts(DefaultArtifactResolver.java:246)
> at
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact(DefaultArtifactResolver.java:223)
> at
> org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:287)
> ... 38 more
> Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Could not
> transfer artifact com.foo.somegroup:dependency_4:pom:3.0.0 from/to
> release-repository (https://nexus.foo.com/content/repositories/releases):
> /home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
> (No such file or directory)
> at
> org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed(ArtifactTransportListener.java:43)
> at
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:355)
> at
> org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run(RunnableErrorForwarder.java:67)
> at
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute(BasicRepositoryConnector.java:581)
> at
> org.eclipse.aether.connector.basic.BasicRepositoryConnector.get(BasicRepositoryConnector.java:249)
> at
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:520)
> at
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:421)
> ... 41 more
> Caused by: java.io.FileNotFoundException:
> /home/userid/.m2/repository/com/foo/somegroup/dependency_4/3.0.0/dependency_4-3.0.0.pom.part
> (No such file or directory)
> at java.io.FileInputStream.open(Native Method)
> at java.io.FileInputStream.<init>(FileInputStream.java:138)
> at
> org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:148)
> at
> org.eclipse.aether.internal.impl.DefaultFileProcessor.copy(DefaultFileProcessor.java:136)
> at
> org.eclipse.aether.internal.impl.DefaultFileProcessor.move(DefaultFileProcessor.java:211)
> at
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$GetTaskRunner.runTask(BasicRepositoryConnector.java:472)
> at
> org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run(BasicRepositoryConnector.java:350)
> ... 46 more
> {noformat}
> * Note the '{{.part}}' extension to the missing pomfile. I see the same
> things with jars, wars, etc. '{{.part}}' is _always_ tacked on to the end of
> the artifact filename.
> * The dependency that Maven can't download -- and even the module that fails
> -- changes from one run to the next.
> * Subsequent builds attempts eventually download all dependencies to the
> local Maven cache, after which there is no problem building.
> Since I have to delete a substantial part of the local Maven cache for each
> build, I can't really count on the Maven cache.
> Using a single-thread build works fine.
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