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Maven Plugins error after creation of new Scout Project [message #1795707]

Thu, 27 September 2018 08:01

marco giudici

Messages: 204
Registered: February 2013
Location: Italy

Senior Member

Hi,
I'm starting to use Eclipse Photon [Version: 2018-09 (4.9.0) Build id: 20180917-1800] and I create a new Scout project following the wizard.
But after the completion of the automatic project creation operations, report to me one error about maven plugins.

here the complete error message

Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.7:resources failed: Plugin org.apache.maven.plugins:maven-resources-plugin:2.7 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-resources-plugin:jar:2.7 -> org.apache.maven:maven-project:jar:2.2.1 -> org.apache.maven:maven-settings:jar:2.2.1 -> org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1 -> junit:junit:jar:3.8.1 (org.apache.maven.plugins:maven-resources-plugin:2.7:resources:default-resources:process-resources)

org.apache.maven.plugin.PluginExecutionException: Execution default-resources of goal org.apache.maven.plugins:maven-resources-plugin:2.7:resources failed: Plugin org.apache.maven.plugins:maven-resources-plugin:2.7 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-resources-plugin:jar:2.7 -> org.apache.maven:maven-project:jar:2.2.1 -> org.apache.maven:maven-settings:jar:2.2.1 -> org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1 -> junit:junit:jar:3.8.1
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:109)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:331)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1362)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl$11.call(MavenImpl.java:1)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1360)
	at org.eclipse.m2e.core.project.configurator.MojoExecutionBuildParticipant.build(MojoExecutionBuildParticipant.java:52)
	at org.eclipse.m2e.core.internal.builder.MavenBuilderImpl.build(MavenBuilderImpl.java:137)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:173)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$1.method(MavenBuilder.java:1)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1$1.call(MavenBuilder.java:116)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:112)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod$1.call(MavenBuilder.java:106)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:177)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder$BuildMethod.execute(MavenBuilder.java:87)
	at org.eclipse.m2e.core.internal.builder.MavenBuilder.build(MavenBuilder.java:201)
	at org.eclipse.core.internal.events.BuildManager$2.run(BuildManager.java:798)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:219)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:262)
	at org.eclipse.core.internal.events.BuildManager$1.run(BuildManager.java:315)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:45)
	at org.eclipse.core.internal.events.BuildManager.basicBuild(BuildManager.java:318)
	at org.eclipse.core.internal.events.BuildManager.basicBuildLoop(BuildManager.java:370)
	at org.eclipse.core.internal.events.BuildManager.build(BuildManager.java:391)
	at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:145)
	at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:235)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
Caused by: org.apache.maven.plugin.PluginResolutionException: Plugin org.apache.maven.plugins:maven-resources-plugin:2.7 or one of its dependencies could not be resolved: Failed to collect dependencies at org.apache.maven.plugins:maven-resources-plugin:jar:2.7 -> org.apache.maven:maven-project:jar:2.2.1 -> org.apache.maven:maven-settings:jar:2.2.1 -> org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1 -> junit:junit:jar:3.8.1
	at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolveInternal(DefaultPluginDependenciesResolver.java:214)
	at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolve(DefaultPluginDependenciesResolver.java:149)
	at org.eclipse.m2e.core.internal.project.registry.EclipsePluginDependenciesResolver.resolve(EclipsePluginDependenciesResolver.java:59)
	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.createPluginRealm(DefaultMavenPluginManager.java:402)
	at org.apache.maven.plugin.internal.DefaultMavenPluginManager.setupPluginRealm(DefaultMavenPluginManager.java:374)
	at org.apache.maven.plugin.DefaultBuildPluginManager.getPluginRealm(DefaultBuildPluginManager.java:234)
	at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:105)
	... 31 more
Caused by: org.eclipse.aether.collection.DependencyCollectionException: Failed to collect dependencies at org.apache.maven.plugins:maven-resources-plugin:jar:2.7 -> org.apache.maven:maven-project:jar:2.2.1 -> org.apache.maven:maven-settings:jar:2.2.1 -> org.codehaus.plexus:plexus-container-default:jar:1.0-alpha-9-stable-1 -> junit:junit:jar:3.8.1
	at org.eclipse.aether.internal.impl.DefaultDependencyCollector.collectDependencies(DefaultDependencyCollector.java:293)
	at org.eclipse.aether.internal.impl.DefaultRepositorySystem.collectDependencies(DefaultRepositorySystem.java:282)
	at org.apache.maven.plugin.internal.DefaultPluginDependenciesResolver.resolveInternal(DefaultPluginDependenciesResolver.java:202)
	... 37 more
Caused by: org.eclipse.aether.resolution.ArtifactDescriptorException: Failed to read artifact descriptor for junit:junit:jar:3.8.1
	at org.apache.maven.repository.internal.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:276)
	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.doRecurse(DefaultDependencyCollector.java:507)
	at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:460)
	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.doRecurse(DefaultDependencyCollector.java:507)
	at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:460)
	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.doRecurse(DefaultDependencyCollector.java:507)
	at org.eclipse.aether.internal.impl.DefaultDependencyCollector.processDependency(DefaultDependencyCollector.java:460)
	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)
	... 39 more
Caused by: org.eclipse.aether.resolution.ArtifactResolutionException: Failure to transfer junit:junit:pom:3.8.1 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact junit:junit:pom:3.8.1 from/to central (https://repo.maven.apache.org/maven2): connect timed out
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:422)
	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.DefaultArtifactDescriptorReader.loadPom(DefaultArtifactDescriptorReader.java:261)
	... 58 more
Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Failure to transfer junit:junit:pom:3.8.1 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact junit:junit:pom:3.8.1 from/to central (https://repo.maven.apache.org/maven2): connect timed out
	at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.newException(DefaultUpdateCheckManager.java:240)
	at org.eclipse.aether.internal.impl.DefaultUpdateCheckManager.checkArtifact(DefaultUpdateCheckManager.java:208)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.gatherDownloads(DefaultArtifactResolver.java:563)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.performDownloads(DefaultArtifactResolver.java:481)
	at org.eclipse.aether.internal.impl.DefaultArtifactResolver.resolve(DefaultArtifactResolver.java:399)
	... 61 more

Here my pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.zeiss.mo.scout.czvedicontroller</groupId>
    <artifactId>czvedicontroller</artifactId>
    <version>1.0.0-SNAPSHOT</version>
    <relativePath>../czvedicontroller/pom.xml</relativePath>
  </parent>

  <artifactId>czvedicontroller.shared</artifactId>

  <name>CZV EDI-Controller Shared</name>

  <dependencies>
    <dependency>
      <artifactId>org.eclipse.scout.rt.shared</artifactId>
      <groupId>org.eclipse.scout.rt</groupId>
    </dependency>
    <dependency>
      <groupId>org.eclipse.scout.rt</groupId>
      <artifactId>org.eclipse.scout.rt.shared.test</artifactId>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.slf4j</groupId>
      <artifactId>jul-to-slf4j</artifactId>
    </dependency>
    <dependency>
      <groupId>ch.qos.logback</groupId>
      <artifactId>logback-classic</artifactId>
    </dependency>
  </dependencies>
</project>

Someone could help me how to fix this error?

Thanks in advance for the help

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Re: Maven Plugins error after creation of new Scout Project [message #1795709 is a reply to message #1795707]

Thu, 27 September 2018 08:12

Patrick Baenziger

Messages: 96
Registered: September 2011

Member

Hello Marco

This looks like a network connectivity issue:
Quote:

Caused by: org.eclipse.aether.transfer.ArtifactTransferException: Failure to transfer junit:junit:pom:3.8.1 from https://repo.maven.apache.org/maven2 was cached in the local repository, resolution will not be reattempted until the update interval of central has elapsed or updates are forced. Original error: Could not transfer artifact junit:junit:pom:3.8.1 from/to central (https://repo.maven.apache.org/maven2): connect timed out

Please make sure you can reach Maven Central - in Linux you can test this by using curl on the commandline ( curl https://repo.maven.apache.org/maven2/ )

A typical issue in corporate environments is that you may need to set a proxy. You can set this in the Maven settings file (make sure that it is in the proper location or pass it using the proper flag) like this: Configuring a proxy

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Re: Maven Plugins error after creation of new Scout Project [message #1795715 is a reply to message #1795709]

Thu, 27 September 2018 08:56

marco giudici

Messages: 204
Registered: February 2013
Location: Italy

Senior Member

Hi Patrick,
with the browser I reach without problem the link https://repo.maven.apache.org/maven2/
I checked and I haven't settings.xml file in the folder that is suggested inside the guide, I created it but the problem remains.
To create this file I used the information of my corporate proxy that I found in the Internet Option on my laptop

<settings>


  <proxies>
   <proxy>
      <id>czv-proxy</id>
      <active>true</active>
      <protocol>http</protocol>
      <host>127.0.0.1</host>
      <port>9000</port>
      <username>xxxxx</username>
      <password>xxxxx.</password>
      <nonProxyHosts>repo.maven.apache.org</nonProxyHosts>
    </proxy>
  </proxies>
 
 
</settings>

Other suggestion or something to check?

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Re: Maven Plugins error after creation of new Scout Project [message #1795718 is a reply to message #1795715]

Thu, 27 September 2018 09:07

Patrick Baenziger

Messages: 96
Registered: September 2011

Member

The "nonProxyHosts" directive in the configuration excludes the mentioned hosts from the proxy directive. In your case, that would exclude maven central again from the proxying, so you're back where you started.
Simply keep the directive empty for now for it to take effect.

If your company also proxies HTTPS connections, you'll need a second proxy entry (different id, protocol=https, rest identical).

Please note: Depending on your setup, you may need to also configure Eclipse to use the proxy as well.
In the Preferences -> General -> Network connection, you'll may need to switch to manual and edit the HTTP/HTTPS entries with the values you used for the settings.xml

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Re: Maven Plugins error after creation of new Scout Project [message #1796109 is a reply to message #1795718]

Fri, 05 October 2018 09:11

marco giudici

Messages: 204
Registered: February 2013
Location: Italy

Senior Member

Hi Patrick,
I correct the settings in accord to your suggestion; I also configure the Network connection in Eclipse in the same ways.
But unfortunately the situation remain the same with the same error.

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