[ 
https://issues.apache.org/jira/browse/MRESOLVER-114?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17136053#comment-17136053
 ] 

Eva Müller commented on MRESOLVER-114:
--------------------------------------

Hi - sad news.

We use 3.6.3 Maven *including the patch* as proposed in 
[https://github.com/apache/maven-resolver/pull/42]

We analysed 998 CI builds and found *18 failures related to artefact resolving*.

Here is one exception:
{noformat}
[2020-06-14T16:36:19.547Z] Caused by: 
org.eclipse.aether.transfer.ArtifactNotFoundException: Could not find artifact 
com.coremedia.blueprint.content-hub:studio-client.content-hub-default:pom:20674-SNAPSHOT
 in local-snapshots 
(https://nexus.pandora-ci-03.coremedia.vm/repository/local-snapshots)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.connector.basic.ArtifactTransportListener.transferFailed 
(ArtifactTransportListener.java:48)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$TaskRunner.run 
(BasicRepositoryConnector.java:369)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.util.concurrency.RunnableErrorForwarder$1.run 
(RunnableErrorForwarder.java:75)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector$DirectExecutor.execute
 (BasicRepositoryConnector.java:644)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.connector.basic.BasicRepositoryConnector.get 
(BasicRepositoryConnector.java:262)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads 
(DefaultArtifactResolver.java:541)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
(DefaultArtifactResolver.java:408)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
(DefaultArtifactResolver.java:232)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifact 
(DefaultArtifactResolver.java:210)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel 
(DefaultModelResolver.java:172)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.repository.internal.DefaultModelResolver.resolveModel 
(DefaultModelResolver.java:222)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.model.building.DefaultModelBuilder.readParentExternally 
(DefaultModelBuilder.java:1070)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.model.building.DefaultModelBuilder.readParent 
(DefaultModelBuilder.java:846)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.model.building.DefaultModelBuilder.build 
(DefaultModelBuilder.java:337)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom 
(DefaultArtifactDescriptorReader.java:292)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.readArtifactDescriptor
 (DefaultArtifactDescriptorReader.java:171)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.resolveCachedArtifactDescriptor
 (DefaultDependencyCollector.java:541)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.getArtifactDescriptorResult
 (DefaultDependencyCollector.java:526)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:413)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:365)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:352)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:509)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:461)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:365)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:352)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:509)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:461)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:365)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:352)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.doRecurse 
(DefaultDependencyCollector.java:509)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:461)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.processDependency
 (DefaultDependencyCollector.java:365)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.process 
(DefaultDependencyCollector.java:352)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.collect.DefaultDependencyCollector.collectDependencies
 (DefaultDependencyCollector.java:254)
[2020-06-14T16:36:19.547Z]     at 
org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies 
(DefaultRepositorySystem.java:284)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
(DefaultProjectDependenciesResolver.java:169)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies 
(LifecycleDependencyResolver.java:243)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
 (LifecycleDependencyResolver.java:147)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved 
(MojoExecutor.java:248)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:202)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:156)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.MojoExecutor.execute (MojoExecutor.java:148)
[2020-06-14T16:36:19.547Z]     at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:117)
[2020-06-14T16:36:19.547Z]     at 
io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
(SmartBuilderImpl.java:205)
[2020-06-14T16:36:19.547Z]     at 
io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
(SmartBuilderImpl.java:77)
[2020-06-14T16:36:19.547Z]     at 
java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
[2020-06-14T16:36:19.547Z]     at java.util.concurrent.FutureTask.run 
(FutureTask.java:264)
[2020-06-14T16:36:19.547Z]     at 
java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1128)
[2020-06-14T16:36:19.547Z]     at 
java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:628)
[2020-06-14T16:36:19.547Z]     at java.lang.Thread.run (Thread.java:834)
{noformat}
For this exception - as far as I could see - the failure takes place when the 
artifacts gets downloaded.

> ArtifactNotFoundExceptions when building in parallel
> ----------------------------------------------------
>
>                 Key: MRESOLVER-114
>                 URL: https://issues.apache.org/jira/browse/MRESOLVER-114
>             Project: Maven Resolver
>          Issue Type: Bug
>          Components: resolver
>    Affects Versions: 1.4.2
>            Reporter: Rainer Reich
>            Priority: Major
>         Attachments: BasicRepositoryConnector.java, 
> DefaultArtifactResolver.java, maven-debug-log.txt, mvn-build-120-sorted.txt, 
> mvn-build-120.log, mvn-build-134-sorted.txt, mvn-build-134.log, 
> mvn-build-144-sorted.txt, mvn-build-144.log
>
>          Time Spent: 20m
>  Remaining Estimate: 0h
>
> We have a multi-module project with quite many modules and many dependencies 
> and observe pretty random {{ArtifactNotFoundExceptions}} when building in 
> parallel with an empty local repository.
> The "funny" thing is that Maven did in fact download the jar that it 
> complained about not finding.
> In this example Maven said it could not find 
> {{edu.tum.cs:cup-runtime:jar:11a}} (see stacktrace below)
>  But it also said: {{Downloaded from central-mirror: 
> [https://mirror.xy.com/repository/maven-all-mirror/edu/tum/cs/cup-runtime/11a/cup-runtime-11a.jar]}}.
> When looking into the local repository after the failed build we found the 
> cup-runtime.jar in the correct place with the correct checksum.
> We tried the following to "fix" the problem:
>  * build with and without the takari extensions ({{takari-local-repository}} 
> & {{takari-smart-builder}}) using {{--builder smart}}
>  * also build with {{io.takari.aether:aether-connector-okhttp}} extension
>  * only execute goal package instead of install
>  * build with these properties: {{-Daether.connector.basic.threads=1 
> -Daether.connector.resumeDownloads=false}}
> But nothing helped.
> Unfortunately it seems to be a race condition and we cannot reproduce it 
> consistently but it happens in about 1 out of 5 builds.
> {code:java}
> ...
> [2019-11-18T16:46:29.370Z] [INFO] Downloaded from central-mirror: 
> https://mirror.xy.com/repository/maven-all-mirror/edu/tum/cs/cup-runtime/11a/cup-runtime-11a.jar
>  (13 kB at 738 kB/s)
> ...
> [2019-11-18T16:46:30.894Z] [ERROR] Failed to execute goal on project xy: 
> Could not resolve dependencies for project xy: The following artifacts could 
> not be resolved: edu.tum.cs:cup-runtime:jar:11a, 
> org.checkerframework:checker-qual:jar:2.5.7, org.ow2.asm:asm:jar:7.2, 
> cglib:cglib:jar:3.3.0: Could not find artifact edu.tum.cs:cup-runtime:jar:11a 
> -> [Help 1]
> [2019-11-18T16:46:30.894Z] 
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
> goal on project xy: Could not resolve dependencies for project xy: The 
> following artifacts could not be resolved: edu.tum.cs:cup-runtime:jar:11a, 
> org.checkerframework:checker-qual:jar:2.5.7, org.ow2.asm:asm:jar:7.2, 
> cglib:cglib:jar:3.3.0: Could not find artifact edu.tum.cs:cup-runtime:jar:11a
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
>  (LifecycleDependencyResolver.java:269)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
>  (LifecycleDependencyResolver.java:147)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
>  (MojoExecutor.java:248)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
> (SmartBuilderImpl.java:205)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
> (SmartBuilderImpl.java:77)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
> [2019-11-18T16:46:30.894Z]     at java.util.concurrent.FutureTask.run 
> (FutureTask.java:264)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker 
> (ThreadPoolExecutor.java:1128)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run 
> (ThreadPoolExecutor.java:628)
> [2019-11-18T16:46:30.894Z]     at java.lang.Thread.run (Thread.java:834)
> [2019-11-18T16:46:30.894Z] Caused by: 
> org.apache.maven.project.DependencyResolutionException: Could not resolve 
> dependencies for project xy: The following artifacts could not be resolved: 
> edu.tum.cs:cup-runtime:jar:11a, org.checkerframework:checker-qual:jar:2.5.7, 
> org.ow2.asm:asm:jar:7.2, cglib:cglib:jar:3.3.0: Could not find artifact 
> edu.tum.cs:cup-runtime:jar:11a
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
> (DefaultProjectDependenciesResolver.java:209)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
>  (LifecycleDependencyResolver.java:243)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
>  (LifecycleDependencyResolver.java:147)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
>  (MojoExecutor.java:248)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
> (SmartBuilderImpl.java:205)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
> (SmartBuilderImpl.java:77)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
> [2019-11-18T16:46:30.894Z]     at java.util.concurrent.FutureTask.run 
> (FutureTask.java:264)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker 
> (ThreadPoolExecutor.java:1128)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run 
> (ThreadPoolExecutor.java:628)
> [2019-11-18T16:46:30.894Z]     at java.lang.Thread.run (Thread.java:834)
> [2019-11-18T16:46:30.894Z] Caused by: 
> org.eclipse.aether.resolution.DependencyResolutionException: The following 
> artifacts could not be resolved: edu.tum.cs:cup-runtime:jar:11a, 
> org.checkerframework:checker-qual:jar:2.5.7, org.ow2.asm:asm:jar:7.2, 
> cglib:cglib:jar:3.3.0: Could not find artifact edu.tum.cs:cup-runtime:jar:11a
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
> (DefaultRepositorySystem.java:357)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
> (DefaultProjectDependenciesResolver.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
>  (LifecycleDependencyResolver.java:243)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
>  (LifecycleDependencyResolver.java:147)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
>  (MojoExecutor.java:248)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
> (SmartBuilderImpl.java:205)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
> (SmartBuilderImpl.java:77)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
> [2019-11-18T16:46:30.894Z]     at java.util.concurrent.FutureTask.run 
> (FutureTask.java:264)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker 
> (ThreadPoolExecutor.java:1128)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run 
> (ThreadPoolExecutor.java:628)
> [2019-11-18T16:46:30.894Z]     at java.lang.Thread.run (Thread.java:834)
> [2019-11-18T16:46:30.894Z] Caused by: 
> org.eclipse.aether.resolution.ArtifactResolutionException: The following 
> artifacts could not be resolved: edu.tum.cs:cup-runtime:jar:11a, 
> org.checkerframework:checker-qual:jar:2.5.7, org.ow2.asm:asm:jar:7.2, 
> cglib:cglib:jar:3.3.0: Could not find artifact edu.tum.cs:cup-runtime:jar:11a
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
> (DefaultArtifactResolver.java:424)
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
> (DefaultArtifactResolver.java:229)
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
> (DefaultRepositorySystem.java:340)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
> (DefaultProjectDependenciesResolver.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
>  (LifecycleDependencyResolver.java:243)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
>  (LifecycleDependencyResolver.java:147)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
>  (MojoExecutor.java:248)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
> (SmartBuilderImpl.java:205)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
> (SmartBuilderImpl.java:77)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
> [2019-11-18T16:46:30.894Z]     at java.util.concurrent.FutureTask.run 
> (FutureTask.java:264)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker 
> (ThreadPoolExecutor.java:1128)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run 
> (ThreadPoolExecutor.java:628)
> [2019-11-18T16:46:30.894Z]     at java.lang.Thread.run (Thread.java:834)
> [2019-11-18T16:46:30.894Z] Caused by: 
> org.eclipse.aether.transfer.ArtifactNotFoundException: Could not find 
> artifact edu.tum.cs:cup-runtime:jar:11a
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve 
> (DefaultArtifactResolver.java:414)
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolveArtifacts 
> (DefaultArtifactResolver.java:229)
> [2019-11-18T16:46:30.894Z]     at 
> org.eclipse.aether.internal.impl.DefaultRepositorySystem.resolveDependencies 
> (DefaultRepositorySystem.java:340)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.project.DefaultProjectDependenciesResolver.resolve 
> (DefaultProjectDependenciesResolver.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.getDependencies
>  (LifecycleDependencyResolver.java:243)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleDependencyResolver.resolveProjectDependencies
>  (LifecycleDependencyResolver.java:147)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.ensureDependenciesAreResolved
>  (MojoExecutor.java:248)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:202)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:156)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.MojoExecutor.execute 
> (MojoExecutor.java:148)
> [2019-11-18T16:46:30.894Z]     at 
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
> (LifecycleModuleBuilder.java:117)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl.buildProject 
> (SmartBuilderImpl.java:205)
> [2019-11-18T16:46:30.894Z]     at 
> io.takari.maven.builder.smart.SmartBuilderImpl$ProjectBuildTask.run 
> (SmartBuilderImpl.java:77)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.Executors$RunnableAdapter.call (Executors.java:515)
> [2019-11-18T16:46:30.894Z]     at java.util.concurrent.FutureTask.run 
> (FutureTask.java:264)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor.runWorker 
> (ThreadPoolExecutor.java:1128)
> [2019-11-18T16:46:30.894Z]     at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run 
> (ThreadPoolExecutor.java:628)
> [2019-11-18T16:46:30.894Z]     at java.lang.Thread.run (Thread.java:834)
> {code}



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