Checking my notes [1], maven-dependency-tree seems to be an interesting
case. It calls (or at least used to call) ClassLoader#loadClass to guess
which version of aether to use and its tests may misbehave if there is
"another" set of aether in system classloader.

[1]
https://github.com/takari/takari-plugin-testing-project/blob/master/classloading.md

-- 
Regards,
Igor

On Thu, Aug 31, 2017, at 09:28 AM, Stephen Connolly wrote:
> Do we have a list of integrator contacts we can send an FYI to?
> 
> By the sounds of it, we should be OK for merging this fix - at least for
> 3.5.1-rc-1 and revert if integrators find significantly problematic
> 
> On 31 August 2017 at 06:00, Stuart McCulloch <mccu...@gmail.com> wrote:
> 
> > Hi,
> >
> > A bit of background first - ClassRealm has two different different
> > concepts of class loading hierarchy:
> >
> > 1)  the base class loader passed into the constructor, which is passed
> > onto the URLClassLoader superclass
> >
> > 2)  the ‘parent’ class loader set via setParentClassLoader / setParentRealm
> >
> > Now 1) doesn’t have any filtering applied, any class or resource requests
> > are delegated straight to the base class loader before checking the realm
> > and its parent/imports
> >
> > Whereas 2) does have filtering applied, as configured
> > via importFromParent, and is checked after the base loader (the subsequent
> > order depends on the realm strategy)
> >
> > So technically there is a potential change of behaviour by setting
> > PARENT_CLASS_LOADER as the base loader 1) because it won’t have any parent
> > import filtering.
> >
> > But looking at the call hierarchy for createRealm it turns out that Maven
> > doesn’t use parent import filtering, so in practice this doesn’t change
> > that particular behaviour.
> >
> > ( however if other external users of ClassRealmManager.createPluginRealm
> > rely on parent filtering then they could potentially be affected )
> >
> > A more significant difference is that parent delegation will now happen
> > before checking the realm and its imports, whereas before the strategy was
> > “self-first” with imports and the current realm being checked before the
> > parent - as Igor mentioned this could potentially lead to classpath
> > collisions/incompatibilities if PARENT_CLASS_LOADER contains common
> > third-party libraries. This won’t affect CLI usage, it’s more an issue for
> > people embedding Maven - but they could always add their own filtering to
> > stop classes/resources leaking to Maven.
> >
> > Also as Igor mentioned, if you’re going to use the parent as the base
> > class loader then you don’t need to call setParentClassLoader for the same
> > parent - so the realm manager code could be simplified. Maybe “newRealm”
> > could take a parent argument and that could be used to decide what to use
> > for the base class loader (atm it doesn’t have that information to hand)
> >
> > But as a first step this one-line change looks ok, as long as we give
> > integrators a heads-up so they can test the snapshot / early release
> > candidate.
> >
> > --
> > Cheers, Stuart
> >
> > On Thursday, 31 August 2017 at 10:18, Stephen Connolly wrote:
> >
> > I have rebased and squashed the commit: https://github.com/apa
> > che/maven/compare/mng-6275
> >
> > The tests should still pass: https://builds.apache.org/blue
> > /organizations/jenkins/maven-3.x-jenkinsfile/detail/mng-6275/4/pipeline
> >
> > So just need the code review from Stuart and Igor and then I think we are
> > good to merge...
> >
> > On 31 August 2017 at 01:27, Robert Scholte <rfscho...@apache.org> wrote:
> >
> > Cool
> >
> >
> > On Wed, 30 Aug 2017 23:22:14 +0200, Stephen Connolly <
> > stephen.alan.conno...@gmail.com> wrote:
> >
> > Unit test is still present in my branch, so should be a yes (if your unit
> > test works)
> >
> > On Wed 30 Aug 2017 at 21:50, Robert Scholte <rfscho...@apache.org> wrote:
> >
> > But can you access classes via the ServiceLoader?
> >
> > On Wed, 30 Aug 2017 22:48:40 +0200, Stephen Connolly
> > <stephen.alan.conno...@gmail.com> wrote:
> >
> > > Oh wow!
> > >
> > https://builds.apache.org/blue/organizations/jenkins/maven-3
> > .x-jenkinsfile/detail/mng-6275/3/pipeline
> > >
> > > Can we get Stuart and Igor to review:
> > > https://github.com/apache/maven/compare/mng-6275
> > >
> > > Seems almost too easy!
> > >
> > >
> > >
> > > On 30 August 2017 at 17:02, Robert Scholte <rfscho...@apache.org> wrote:
> > >
> > >> I agree
> > >>
> > >>
> > >> On Wed, 30 Aug 2017 18:01:12 +0200, Stephen Connolly <
> > >> stephen.alan.conno...@gmail.com> wrote:
> > >>
> > >> I think we'll de-scope 6275 for 3.5.1
> > >>>
> > >>>
> > >>>
> > >>>
> > >>> On Wed 30 Aug 2017 at 16:04, Stephen Connolly <
> > >>> stephen.alan.conno...@gmail.com> wrote:
> > >>>
> > >>> Hmmm... looking like we may have to descope MNG-6275... I'll do some
> > >>> more
> > >>>> digging first though
> > >>>>
> > >>>>
> > >>>> On 30 August 2017 at 04:34, Stephen Connolly <
> > >>>> stephen.alan.conno...@gmail.com> wrote:
> > >>>>
> > >>>> fef668789f6abe79f603b96a8ee6f13ea52de4df should verify if that fixes
> > >>>>> things
> > >>>>>
> > >>>>> On 30 August 2017 at 04:13, Stuart McCulloch <mccu...@gmail.com>
> > >>>>> wrote:
> > >>>>>
> > >>>>> On Wednesday, 30 August 2017 at 10:26, Stephen Connolly wrote:
> > >>>>>> >
> > >>>>>> https://github.com/apache/maven/commit/39004f6aee634a0ac6daa
> > >>>>>> 1f99add299ff439f5ec
> > >>>>>> > should fix
> > >>>>>> >
> > >>>>>> >
> > >>>>>>
> > >>>>>> Is it worth storing the chosen context/system loader in a member
> > >>>>>> variable, or maybe even statically like PARENT_CLASSLOADER, rather
> > >>>>>> than
> > >>>>>> checking each time?
> > >>>>>>
> > >>>>>> This would also avoid the off-chance that something changes the
> > >>>>>> thread’s
> > >>>>>> context loader during the build which could then influence
> > >>>>>> subsequent
> > >>>>>> calls
> > >>>>>> to “newRealm”.
> > >>>>>>
> > >>>>>> (IIUC when embedding we’d expect the context loader to be set
> > >>>>>> correctly
> > >>>>>> during construction of the realm manager, and that same loader
> > >>>>>> should
> > >>>>>> then
> > >>>>>> be used for all realms)
> > >>>>>> > On 30 August 2017 at 02:09, Robert Scholte <rfscho...@apache.org
> > >>>>>> (mailto:rfscho...@apache.org)> wrote:
> > >>>>>> >
> > >>>>>> > > Now that the ITs are all in place again it is good to see that
> > >>>>>> these
> > >>>>>> > > failures reflect the concerns of Igor.
> > >>>>>> > > Originally this issue said it was Java 9 related, but this is a
> > >>>>>> Java
> > >>>>>> 8
> > >>>>>> > > issue as well, so there's no real need to include it for 3.5.1
> > >>>>>> > > I'll revert this commit and reopen the issue.
> > >>>>>> > > Future analysis must answer the question where and how the
> > >>>>>> classloading
> > >>>>>> > > must be improved.
> > >>>>>> > >
> > >>>>>> > > Robert
> > >>>>>> > >
> > >>>>>> > >
> > >>>>>> > > On Wed, 30 Aug 2017 01:57:02 +0200, Stephen Connolly <
> > >>>>>> > > stephen.alan.conno...@gmail.com (mailto:
> > >>>>>> stephen.alan.conno...@gmail.com)> wrote:
> > >>>>>> > >
> > >>>>>> > > Ok, looking a the results of the bisect-0 through bisect-3
> > >>>>>> builds,
> > >>>>>> 0
> > >>>>>> and 1
> > >>>>>> > > > both fail just for the MNG-6127 integration tests, bisect-2
> > >>>>>> adds
> > >>>>>> the fix
> > >>>>>> > > > for MNG-6127, so the build passes... bisect-3 also passes, so
> > >>>>>> the
> > >>>>>> smoking
> > >>>>>> > > > gun is...
> > >>>>>> > > >
> > >>>>>> > > > https://github.com/apache/maven/commit/f047ea143766fd22ae420
> > >>>>>> > > > 40e6805bef287f3cc3e
> > >>>>>> > > >
> > >>>>>> > > > On 29 August 2017 at 22:17, Stephen Connolly <
> > >>>>>> > > > stephen.alan.conno...@gmail.com (mailto:
> > >>>>>> stephen.alan.conno...@gmail.com)> wrote:
> > >>>>>> > > >
> > >>>>>> > > > bisect-0 is the last known good commit with the Jenkinsfile
> > >>>>>> fix
> > >>>>>> to
> > >>>>>> confirm
> > >>>>>> > > > > that the failures are not another infra related change
> > >>>>>> > > > >
> > >>>>>> > > > > On 29 August 2017 at 22:13, Stephen Connolly
> > >>>>>> > > > > <stephen.alan.connolly@gmail.
> > >>>>>> > > > > com> wrote:
> > >>>>>> > > > >
> > >>>>>> > > > > I have pushed bisect-1, bisect-2 and bisect-3 to see if we
> > >>>>>> can
> > >>>>>> identify
> > >>>>>> > > > > > the problematic commit since the last known good build of
> > >>>>>> master (#123
> > >>>>>> > > > > > for
> > >>>>>> > > > > > commit 4f2a2dba89251d9045fe9944783509a397491da3)
> > >>>>>> > > > > >
> > >>>>>> > > > > > On 29 August 2017 at 22:09, Stephen Connolly <
> > >>>>>> > > > > > stephen.alan.conno...@gmail.com (mailto:
> > >>>>>> stephen.alan.conno...@gmail.com)> wrote:
> > >>>>>> > > > > >
> > >>>>>> > > > > > Failure is in testBootstrap, probably something obvious,
> > >>>>>> here's the
> > >>>>>> > > > > > > problematic build log... you can inspect for yourself at
> > >>>>>> > > > > > >
> > >>>>>> https://builds.apache.org/blue/organizations/jenkins/mave
> > >>>>>> > > > > > > n-3.x-jenkinsfile/detail/master/128/tests but there is
> > >>>>>> no
> > >>>>>> point in
> > >>>>>> > > > > > > looking at any tests other than testBootstrap as if that
> > >>>>>> fails
> > >>>>>> > > > > > > everything
> > >>>>>> > > > > > > else will fail too
> > >>>>>> > > > > > >
> > >>>>>> > > > > > > [WARNING] Error injecting:
> > >>>>>> org.apache.maven.plugins.depen
> > >>>>>> > > > > > > dency.resolvers.ResolvePluginsMojo
> > >>>>>> > > > > > > com.google.inject.ProvisionException: Unable to
> > >>>>>> provision,
> > >>>>>> see the
> > >>>>>> > > > > > > following errors:
> > >>>>>> > > > > > > 1) No implementation for org.apache.maven.artifact.hand
> > >>>>>> > > > > > > ler.manager.ArtifactHandlerManager was bound.
> > >>>>>> > > > > > > while locating org.apache.maven.plugins.depen
> > >>>>>> > > > > > > dency.resolvers.ResolvePluginsMojo
> > >>>>>> > > > > > > 1 error
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.j
> > >>>>>> > > > > > > ava:1025)
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl.getInstance(Injector
> > >>>>>> > > > > > > Impl.java:1051)
> > >>>>>> > > > > > > at
> > >>>>>> org.eclipse.sisu.space.AbstractDeferredClass.get(AbstractDef
> > >>>>>> > > > > > > erredClass.java:48)
> > >>>>>> > > > > > > at com.google.inject.internal.Pro
> > >>>>>> viderInternalFactory.provision
> > >>>>>> > > > > > > (ProviderInternalFactory.java:81)
> > >>>>>> > > > > > > at com.google.inject.internal.Int
> > >>>>>> ernalFactoryToInitializableAda
> > >>>>>> > > > > > >
> > >>>>>> pter.provision(InternalFactoryToInitializableAdapter.java:
> > >>>>>> 53)
> > >>>>>> > > > > > > at com.google.inject.internal.Pro
> > >>>>>> viderInternalFactory$1.call(Pr
> > >>>>>> > > > > > > oviderInternalFactory.java:65)
> > >>>>>> > > > > > > at com.google.inject.internal.Pro
> > >>>>>> visionListenerStackCallback$Pr
> > >>>>>> > > > > > >
> > >>>>>> ovision.provision(ProvisionListenerStackCallback.java:115)
> > >>>>>> > > > > > > at com.google.inject.internal.Pro
> > >>>>>> visionListenerStackCallback$Pr
> > >>>>>> > > > > > >
> > >>>>>> ovision.provision(ProvisionListenerStackCallback.java:133)
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.ProvisionListenerStackCallback.pr
> > >>>>>> > > > > > > ovision(ProvisionListenerStackCallback.java:68)
> > >>>>>> > > > > > > at com.google.inject.internal.Pro
> > >>>>>> viderInternalFactory.circularG
> > >>>>>> > > > > > > et(ProviderInternalFactory.java:63)
> > >>>>>> > > > > > > at com.google.inject.internal.Int
> > >>>>>> ernalFactoryToInitializableAda
> > >>>>>> > > > > > > pter.get(InternalFactoryToInitializableAdapter.java:45)
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl$2$1.call(InjectorImp
> > >>>>>> > > > > > > l.java:1016)
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl.callInContext(Inject
> > >>>>>> > > > > > > orImpl.java:1092)
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.j
> > >>>>>> > > > > > > ava:1012)
> > >>>>>> > > > > > > at org.eclipse.sisu.inject.Guice4
> > $1.get(Guice4.java:162)
> > >>>>>> > > > > > > at
> > >>>>>> org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry
> > >>>>>> > > > > > > .java:81)
> > >>>>>> > > > > > > at
> > >>>>>> org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBe
> > >>>>>> > > > > > > an.java:51)
> > >>>>>> > > > > > > at
> > >>>>>> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPle
> > >>>>>> > > > > > > xusContainer.java:263)
> > >>>>>> > > > > > > at
> > >>>>>> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPle
> > >>>>>> > > > > > > xusContainer.java:255)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.internal.DefaultMavenPluginManager.g
> > >>>>>> > > > > > > etConfiguredMojo(DefaultMavenPluginManager.java:519)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.DefaultBuildPluginManager.executeMoj
> > >>>>>> > > > > > > o(DefaultBuildPluginManager.java:124)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:208)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:154)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:146)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.LifecycleModuleBuilder.b
> > >>>>>> > > > > > > uildProject(LifecycleModuleBuilder.java:117)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.LifecycleModuleBuilder.b
> > >>>>>> > > > > > > uildProject(LifecycleModuleBuilder.java:81)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.builder.singlethreaded.S
> > >>>>>> > > > > > >
> > >>>>>> ingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.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.doMain(MavenCli.java:245)
> > >>>>>> > > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > >>>>>> Method)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
> > >>>>>> > > > > > > ssorImpl.java:62)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> > >>>>>> > > > > > > thodAccessorImpl.java:43)
> > >>>>>> > > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .Embedded3xLauncher.run(Embedded3xLaunche
> > >>>>>> > > > > > > r.java:247)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoals(Verifier.java:1354)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoal(Verifier.java:1254)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoal(Verifier.java:1248)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .MavenITBootstrapTest.testBootstrap(Maven
> > >>>>>> > > > > > > ITBootstrapTest.java:54)
> > >>>>>> > > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > >>>>>> Method)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
> > >>>>>> > > > > > > ssorImpl.java:62)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> > >>>>>> > > > > > > thodAccessorImpl.java:43)
> > >>>>>> > > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > >>>>>> > > > > > > at junit.framework.TestCase.runTest(TestCase.java:168)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .AbstractMavenIntegrationTestCase.runTest
> > >>>>>> > > > > > > (AbstractMavenIntegrationTestCase.java:222)
> > >>>>>> > > > > > > at junit.framework.TestCase.runBare(TestCase.java:134)
> > >>>>>> > > > > > > at junit.framework.TestResult$1.p
> > >>>>>> rotect(TestResult.java:110)
> > >>>>>> > > > > > > at
> > >>>>>> junit.framework.TestResult.runProtected(TestResult.java:128)
> > >>>>>> > > > > > > at junit.framework.TestResult.run(TestResult.java:113)
> > >>>>>> > > > > > > at junit.framework.TestCase.run(TestCase.java:124)
> > >>>>>> > > > > > > at junit.framework.TestSuite.runT
> > est(TestSuite.java:243)
> > >>>>>> > > > > > > at junit.framework.TestSuite.run(TestSuite.java:238)
> > >>>>>> > > > > > > at junit.framework.TestSuite.runT
> > est(TestSuite.java:243)
> > >>>>>> > > > > > > at junit.framework.TestSuite.run(TestSuite.java:238)
> > >>>>>> > > > > > > at
> > >>>>>> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38Cla
> > >>>>>> > > > > > > ssRunner.java:83)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUni
> > >>>>>> > > > > > > t4Provider.java:283)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithR
> > >>>>>> > > > > > > erun(JUnit4Provider.java:173)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestS
> > >>>>>> > > > > > > et(JUnit4Provider.java:153)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit
> > >>>>>> > > > > > > 4Provider.java:128)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.invokeProvider
> > >>>>>> > > > > > > InSameClassLoader(ForkedBooter.java:203)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInPro
> > >>>>>> > > > > > > cess(ForkedBooter.java:155)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBoo
> > >>>>>> > > > > > > ter.java:103)
> > >>>>>> > > > > > > [INFO]
> > >>>>>> ------------------------------------------------------------
> > >>>>>> > > > > > > ------------
> > >>>>>> > > > > > > [INFO] Reactor Summary:
> > >>>>>> > > > > > > [INFO]
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap
> > >>>>>> .................
> > >>>>>> FAILURE [
> > >>>>>> > > > > > > 2.136 s]
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-1
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-2
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-3
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-4
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-5
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-6
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO] Maven Integration Test :: Boostrap :: Group-7
> > >>>>>> ......
> > >>>>>> SKIPPED
> > >>>>>> > > > > > > [INFO]
> > >>>>>> ------------------------------------------------------------
> > >>>>>> > > > > > > ------------
> > >>>>>> > > > > > > [INFO] BUILD FAILURE
> > >>>>>> > > > > > > [INFO]
> > >>>>>> ------------------------------------------------------------
> > >>>>>> > > > > > > ------------
> > >>>>>> > > > > > > [INFO] Total time: 2.379 s
> > >>>>>> > > > > > > [INFO] Finished at: 2017-08-29T20:53:51Z
> > >>>>>> > > > > > > [INFO] Final Memory: 18M/260M
> > >>>>>> > > > > > > [INFO]
> > >>>>>> ------------------------------------------------------------
> > >>>>>> > > > > > > ------------
> > >>>>>> > > > > > > [ERROR] Failed to execute goal
> > >>>>>> org.apache.maven.plugins:maven
> > >>>>>> > > > > > > -dependency-plugin:3.0.0:resolve-plugins
> > >>>>>> (get-all-plugins-deps) on
> > >>>>>> > > > > > > project maven-it-boostrap: Execution
> > >>>>>> get-all-plugins-deps
> > >>>>>> of
> > >>>>>> goal
> > >>>>>> > > > > > >
> > >>>>>>
> > org.apache.maven.plugins:maven-dependency-plugin:3.0.0:resolve-plugins
> > >>>>>> > > > > > > failed: Unable to load the mojo 'resolve-plugins' (or
> > >>>>>> one
> > >>>>>> of
> > >>>>>> its
> > >>>>>> > > > > > > required
> > >>>>>> > > > > > > components) from the plugin
> > >>>>>> 'org.apache.maven.plugins:mave
> > >>>>>> > > > > > > n-dependency-plugin:3.0.0':
> > >>>>>> > > > > > > com.google.inject.ProvisionException: Unable to
> > >>>>>> provision,
> > >>>>>> see the
> > >>>>>> > > > > > > following errors:
> > >>>>>> > > > > > > [ERROR]
> > >>>>>> > > > > > > [ERROR] 1) No implementation for
> > >>>>>> org.apache.maven.artifact.hand
> > >>>>>> > > > > > > ler.manager.ArtifactHandlerManager was bound.
> > >>>>>> > > > > > > [ERROR] while locating org.apache.maven.plugins.depen
> > >>>>>> > > > > > > dency.resolvers.ResolvePluginsMojo
> > >>>>>> > > > > > > [ERROR] at ClassRealm[plugin>org.apache.m
> > >>>>>> > > > > > > aven.plugins:maven-dependency-plugin:3.0.0, parent:
> > >>>>>> > > > > > > java.net.URLClassLoader@77f03bb1] (via modules:
> > >>>>>> > > > > > > org.eclipse.sisu.wire.WireModule ->
> > >>>>>> org.eclipse.sisu.plexus.Plexus
> > >>>>>> > > > > > > BindingModule)
> > >>>>>> > > > > > > [ERROR] while locating org.apache.maven.plugin.Mojo
> > >>>>>> annotated with
> > >>>>>> > > > > > > @com.google.inject.name.Named(
> > >>>>>> value=org.apache.maven.plugins
> > >>>>>> > > > > > > :maven-dependency-plugin:3.0.0:resolve-plugins)
> > >>>>>> > > > > > > [ERROR]
> > >>>>>> > > > > > > [ERROR] 1 error
> > >>>>>> > > > > > > [ERROR] role: org.apache.maven.plugin.Mojo
> > >>>>>> > > > > > > [ERROR] roleHint: org.apache.maven.plugins:maven
> > >>>>>> > > > > > > -dependency-plugin:3.0.0:resolve-plugins
> > >>>>>> > > > > > > [ERROR] -> [Help 1]
> > >>>>>> > > > > > > org.apache.maven.lifecycle.LifecycleExecutionException:
> > >>>>>> Failed to
> > >>>>>> > > > > > > execute goal org.apache.maven.plugins:maven
> > >>>>>> > > > > > > -dependency-plugin:3.0.0:resolve-plugins
> > >>>>>> (get-all-plugins-deps) on
> > >>>>>> > > > > > > project maven-it-boostrap: Execution
> > >>>>>> get-all-plugins-deps
> > >>>>>> of
> > >>>>>> goal
> > >>>>>> > > > > > >
> > >>>>>>
> > org.apache.maven.plugins:maven-dependency-plugin:3.0.0:resolve-plugins
> > >>>>>> > > > > > > failed: Unable to load the mojo 'resolve-plugins' (or
> > >>>>>> one
> > >>>>>> of
> > >>>>>> its
> > >>>>>> > > > > > > required
> > >>>>>> > > > > > > components) from the plugin
> > >>>>>> 'org.apache.maven.plugins:mave
> > >>>>>> > > > > > > n-dependency-plugin:3.0.0'
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:213)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:154)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:146)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.LifecycleModuleBuilder.b
> > >>>>>> > > > > > > uildProject(LifecycleModuleBuilder.java:117)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.LifecycleModuleBuilder.b
> > >>>>>> > > > > > > uildProject(LifecycleModuleBuilder.java:81)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.builder.singlethreaded.S
> > >>>>>> > > > > > >
> > >>>>>> ingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.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.doMain(MavenCli.java:245)
> > >>>>>> > > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > >>>>>> Method)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
> > >>>>>> > > > > > > ssorImpl.java:62)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> > >>>>>> > > > > > > thodAccessorImpl.java:43)
> > >>>>>> > > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .Embedded3xLauncher.run(Embedded3xLaunche
> > >>>>>> > > > > > > r.java:247)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoals(Verifier.java:1354)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoal(Verifier.java:1254)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.it.Verifier.executeGoal(Verifier.java:1248)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .MavenITBootstrapTest.testBootstrap(Maven
> > >>>>>> > > > > > > ITBootstrapTest.java:54)
> > >>>>>> > > > > > > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > >>>>>> Method)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAcce
> > >>>>>> > > > > > > ssorImpl.java:62)
> > >>>>>> > > > > > > at
> > >>>>>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe
> > >>>>>> > > > > > > thodAccessorImpl.java:43)
> > >>>>>> > > > > > > at java.lang.reflect.Method.invoke(Method.java:498)
> > >>>>>> > > > > > > at junit.framework.TestCase.runTest(TestCase.java:168)
> > >>>>>> > > > > > > at org.apache.maven.it
> > >>>>>> .AbstractMavenIntegrationTestCase.runTest
> > >>>>>> > > > > > > (AbstractMavenIntegrationTestCase.java:222)
> > >>>>>> > > > > > > at junit.framework.TestCase.runBare(TestCase.java:134)
> > >>>>>> > > > > > > at junit.framework.TestResult$1.p
> > >>>>>> rotect(TestResult.java:110)
> > >>>>>> > > > > > > at
> > >>>>>> junit.framework.TestResult.runProtected(TestResult.java:128)
> > >>>>>> > > > > > > at junit.framework.TestResult.run(TestResult.java:113)
> > >>>>>> > > > > > > at junit.framework.TestCase.run(TestCase.java:124)
> > >>>>>> > > > > > > at junit.framework.TestSuite.runT
> > est(TestSuite.java:243)
> > >>>>>> > > > > > > at junit.framework.TestSuite.run(TestSuite.java:238)
> > >>>>>> > > > > > > at junit.framework.TestSuite.runT
> > est(TestSuite.java:243)
> > >>>>>> > > > > > > at junit.framework.TestSuite.run(TestSuite.java:238)
> > >>>>>> > > > > > > at
> > >>>>>> org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38Cla
> > >>>>>> > > > > > > ssRunner.java:83)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUni
> > >>>>>> > > > > > > t4Provider.java:283)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithR
> > >>>>>> > > > > > > erun(JUnit4Provider.java:173)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestS
> > >>>>>> > > > > > > et(JUnit4Provider.java:153)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit
> > >>>>>> > > > > > > 4Provider.java:128)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.invokeProvider
> > >>>>>> > > > > > > InSameClassLoader(ForkedBooter.java:203)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInPro
> > >>>>>> > > > > > > cess(ForkedBooter.java:155)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBoo
> > >>>>>> > > > > > > ter.java:103)
> > >>>>>> > > > > > > Caused by: org.apache.maven.plugin.Plugin
> > >>>>>> ExecutionException:
> > >>>>>> Execution
> > >>>>>> > > > > > > get-all-plugins-deps of goal
> > >>>>>> org.apache.maven.plugins:maven
> > >>>>>> > > > > > > -dependency-plugin:3.0.0:resolve-plugins failed: Unable
> > >>>>>> to
> > >>>>>> load the
> > >>>>>> > > > > > > mojo 'resolve-plugins' (or one of its required
> > >>>>>> components)
> > >>>>>> from the
> > >>>>>> > > > > > > plugin
> > >>>>>> > > > > > > 'org.apache.maven.plugins:mave
> > n-dependency-plugin:3.0.0'
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.DefaultBuildPluginManager.executeMoj
> > >>>>>> > > > > > > o(DefaultBuildPluginManager.java:156)
> > >>>>>> > > > > > > at org.apache.maven.lifecycle.int
> > >>>>>> ernal.MojoExecutor.execute(Moj
> > >>>>>> > > > > > > oExecutor.java:208)
> > >>>>>> > > > > > > ... 44 more
> > >>>>>> > > > > > > Caused by: org.apache.maven.plugin.Plugin
> > >>>>>> ContainerException:
> > >>>>>> Unable to
> > >>>>>> > > > > > > load the mojo 'resolve-plugins' (or one of its required
> > >>>>>> components)
> > >>>>>> > > > > > > from
> > >>>>>> > > > > > > the plugin
> > >>>>>> 'org.apache.maven.plugins:maven-dependency-plugin:3.0.0'
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.internal.DefaultMavenPluginManager.g
> > >>>>>> > > > > > > etConfiguredMojo(DefaultMavenPluginManager.java:553)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.DefaultBuildPluginManager.executeMoj
> > >>>>>> > > > > > > o(DefaultBuildPluginManager.java:124)
> > >>>>>> > > > > > > ... 45 more
> > >>>>>> > > > > > > Caused by: org.codehaus.plexus.component.
> > >>>>>> > > > > > > repository.exception.ComponentLookupException:
> > >>>>>> > > > > > > com.google.inject.ProvisionException: Unable to
> > >>>>>> provision,
> > >>>>>> see the
> > >>>>>> > > > > > > following errors:
> > >>>>>> > > > > > > 1) No implementation for org.apache.maven.artifact.hand
> > >>>>>> > > > > > > ler.manager.ArtifactHandlerManager was bound.
> > >>>>>> > > > > > > while locating org.apache.maven.plugins.depen
> > >>>>>> > > > > > > dency.resolvers.ResolvePluginsMojo
> > >>>>>> > > > > > > at
> > >>>>>> ClassRealm[plugin>org.apache.maven.plugins:maven-dependency-
> > >>>>>> > > > > > > plugin:3.0.0,
> > >>>>>> > > > > > > parent: java.net.URLClassLoader@77f03bb1] (via modules:
> > >>>>>> > > > > > > org.eclipse.sisu.wire.WireModule ->
> > >>>>>> org.eclipse.sisu.plexus.Plexus
> > >>>>>> > > > > > > BindingModule)
> > >>>>>> > > > > > > while locating org.apache.maven.plugin.Mojo annotated
> > >>>>>> with
> > >>>>>> > > > > > > @com.google.inject.name.Named(
> > >>>>>> value=org.apache.maven.plugins
> > >>>>>> > > > > > > :maven-dependency-plugin:3.0.0:resolve-plugins)
> > >>>>>> > > > > > > 1 error
> > >>>>>> > > > > > > role: org.apache.maven.plugin.Mojo
> > >>>>>> > > > > > > roleHint: org.apache.maven.plugins:maven
> > >>>>>> > > > > > > -dependency-plugin:3.0.0:resol
> > >>>>>> > > > > > > ve-plugins
> > >>>>>> > > > > > > at
> > >>>>>> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPle
> > >>>>>> > > > > > > xusContainer.java:267)
> > >>>>>> > > > > > > at
> > >>>>>> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPle
> > >>>>>> > > > > > > xusContainer.java:255)
> > >>>>>> > > > > > > at
> > >>>>>> org.apache.maven.plugin.internal.DefaultMavenPluginManager.g
> > >>>>>> > > > > > > etConfiguredMojo(DefaultMavenPluginManager.java:519)
> > >>>>>> > > > > > > ... 46 more
> > >>>>>> > > > > > > Caused by: com.google.inject.ProvisionException: Unable
> > >>>>>> to
> > >>>>>> provision,
> > >>>>>> > > > > > > see the following errors:
> > >>>>>> > > > > > > 1) No implementation for org.apache.maven.artifact.hand
> > >>>>>> > > > > > > ler.manager.ArtifactHandlerManager was bound.
> > >>>>>> > > > > > > while locating org.apache.maven.plugins.depen
> > >>>>>> > > > > > > dency.resolvers.ResolvePluginsMojo
> > >>>>>> > > > > > > at
> > >>>>>> ClassRealm[plugin>org.apache.maven.plugins:maven-dependency-
> > >>>>>> > > > > > > plugin:3.0.0,
> > >>>>>> > > > > > > parent: java.net.URLClassLoader@77f03bb1] (via modules:
> > >>>>>> > > > > > > org.eclipse.sisu.wire.WireModule ->
> > >>>>>> org.eclipse.sisu.plexus.Plexus
> > >>>>>> > > > > > > BindingModule)
> > >>>>>> > > > > > > while locating org.apache.maven.plugin.Mojo annotated
> > >>>>>> with
> > >>>>>> > > > > > > @com.google.inject.name.Named(
> > >>>>>> value=org.apache.maven.plugins
> > >>>>>> > > > > > > :maven-dependency-plugin:3.0.0:resolve-plugins)
> > >>>>>> > > > > > > 1 error
> > >>>>>> > > > > > > at
> > >>>>>> com.google.inject.internal.InjectorImpl$2.get(InjectorImpl.j
> > >>>>>> > > > > > > ava:1025)
> > >>>>>> > > > > > > at org.eclipse.sisu.inject.Guice4
> > $1.get(Guice4.java:162)
> > >>>>>> > > > > > > at
> > >>>>>> org.eclipse.sisu.inject.LazyBeanEntry.getValue(LazyBeanEntry
> > >>>>>> > > > > > > .java:81)
> > >>>>>> > > > > > > at
> > >>>>>> org.eclipse.sisu.plexus.LazyPlexusBean.getValue(LazyPlexusBe
> > >>>>>> > > > > > > an.java:51)
> > >>>>>> > > > > > > at
> > >>>>>> org.codehaus.plexus.DefaultPlexusContainer.lookup(DefaultPle
> > >>>>>> > > > > > > xusContainer.java:263)
> > >>>>>> > > > > > > ... 48 more
> > >>>>>> > > > > > > [ERROR]
> > >>>>>> > > > > > > [ERROR] Re-run Maven using the -X switch to enable full
> > >>>>>> debug logging.
> > >>>>>> > > > > > > [ERROR]
> > >>>>>> > > > > > > [ERROR] For more information about the errors and
> > >>>>>> possible
> > >>>>>> solutions,
> > >>>>>> > > > > > > please read the following articles:
> > >>>>>> > > > > > > [ERROR] [Help 1] http://cwiki.apache.org/conflu
> > >>>>>> > > > > > > ence/display/MAVEN/PluginContainerException
> > >>>>>> > > > > > >
> > >>>>>> > > > > >
> > >>>>>> > > > > >
> > >>>>>> > > > >
> > >>>>>> > > > >
> > >>>>>> > > >
> > >>>>>> > > >
> > >>>>>> > >
> > >>>>>> > > ------------------------------------------------------------
> > >>>>>> ---------
> > >>>>>> > > To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org
> > >>>>>> (mailto:
> > >>>>>> dev-unsubscr...@maven.apache.org)
> > >>>>>> > > For additional commands, e-mail: dev-h...@maven.apache.org
> > >>>>>> (mailto:
> > >>>>>> dev-h...@maven.apache.org)
> > >>>>>> > >
> > >>>>>> >
> > >>>>>> >
> > >>>>>> >
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>>>
> > >>>>> --
> > >>>>
> > >>> Sent from my phone
> > >>>
> > >>
> > >> ---------------------------------------------------------------------
> > >> To unsubscribe, e-mail: dev-unsubscr...@maven.apache.org
> > >> For additional commands, e-mail: dev-h...@maven.apache.org
> > >>
> >
> > ---------------------------------------------------------------------
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> >
> > --
> >
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> >
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> >
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