Looks like another process is also using the target/class area.

Do you have an IDE running at the same time as Maven?
Or another mavn build job?

Eclipse, for example, can break a concurrent maven build if it does it's background refresh and decide to recompile some files.

    Andy

On 22/01/2020 20:46, [email protected] wrote:
. forgot one more build error, holding me up!

[INFO] --- contract-test-maven-plugin:0.2.0:contract-test (default) @
jena-core ---

[INFO] Processing package: org.apache.jena.assembler

[INFO] Processing package: org.apache.jena.datatypes

[INFO] Processing package: org.apache.jena.enhanced

[INFO] Processing package: org.apache.jena.graph

[INFO] Processing package: org.apache.jena.mem

[INFO] Processing package: org.apache.jena.n3

[INFO] Processing package: org.apache.jena.ontology

[INFO] Processing package: org.apache.jena.rdf

[INFO] Processing package: org.apache.jena.rdfxml

[INFO] Processing package: org.apache.jena.reasoner

[INFO] Processing package: org.apache.jena.shared

[INFO] Processing package: org.apache.jena.util

[INFO] Processing package: org.apache.jena.vocabulary

[INFO] Skip filter: Not( Wildcard( Sensitive, *.test.* ) )

[INFO] Could not create Interface report class

java.lang.IllegalArgumentException: No classes found in
[org.apache.jena.assembler, org.apache.jena.datatypes,
org.apache.jena.enhanced, org.apache.jena.graph, org.apache.jena.mem,
org.apache.jena.n3, org.apache.jena.ontology, org.apache.jena.rdf,
org.apache.jena.rdfxml, org.apache.jena.reasoner, org.apache.jena.shared,
org.apache.jena.util, org.apache.jena.vocabulary]

     at org.xenei.junit.contract.tooling.InterfaceReport.<init>
(InterfaceReport.java:166)

     at org.xenei.contracts.maven.ContractMojo.execute
(ContractMojo.java:212)

     at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo
(DefaultBuildPluginManager.java:137)

     at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:210)

     at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:156)

     at org.apache.maven.lifecycle.internal.MojoExecutor.execute
(MojoExecutor.java:148)

     at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:117)

     at
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject
(LifecycleModuleBuilder.java:81)

     at
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBui
lder.build (SingleThreadedBuilder.java:56)

     at org.apache.maven.lifecycle.internal.LifecycleStarter.execute
(LifecycleStarter.java:128)

     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:305)

     at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:192)

     at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:105)

     at org.apache.maven.cli.MavenCli.execute (MavenCli.java:956)

     at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:288)

     at org.apache.maven.cli.MavenCli.main (MavenCli.java:192)

     at sun.reflect.NativeMethodAccessorImpl.invoke0 (Native Method)

     at sun.reflect.NativeMethodAccessorImpl.invoke
(NativeMethodAccessorImpl.java:62)

     at sun.reflect.DelegatingMethodAccessorImpl.invoke
(DelegatingMethodAccessorImpl.java:43)

     at java.lang.reflect.Method.invoke (Method.java:498)

     at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced
(Launcher.java:282)

     at org.codehaus.plexus.classworlds.launcher.Launcher.launch
(Launcher.java:225)

     at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode
(Launcher.java:406)

     at org.codehaus.plexus.classworlds.launcher.Launcher.main
(Launcher.java:347)

[INFO]

From: [email protected] <[email protected]>
Sent: Wednesday, January 22, 2020 3:44 PM
To: '[email protected]' <[email protected]>
Subject: Q: Jena 3.14.0 (3.15.0-SNAPSHOT) build issue

Hello,

I hope this is the right forum for this type of question.

Please redirect me to the proper media if not.

Trying to build Jena 1.13.1, 1.14.0, then 1.15.0-SNAPSHOT on Windows 10 Pro,
Maven 3.6.1, Java 1.8, Eclipse 2019-12, following instructions found at

https://jena.apache.org/getting_involved/index.html

I am running into multiple issues:

*       Broken  <http://answers.semanticweb.com/tags/jena/>
answers.semanticweb.com link on the wiki page
https://jena.apache.org/help_and_support/index.html

*       Build fails on RAT checks:

[ERROR] Failed to execute goal org.apache.rat:apache-rat-plugin:0.12:check
(rat-checks) on project jena-tdb2: Too many files with unapproved license: 2

Worked around by using the Maven option  -Drat.skip=true

*       Jena TDB2 project Junit tests fails with:

[INFO] --- maven-surefire-plugin:2.22.2:test (default-test) @ jena-tdb2 ---

[INFO]

[INFO] -------------------------------------------------------

[INFO]  T E S T S

[INFO] -------------------------------------------------------

[INFO] Running org.apache.jena.tdb2.assembler.TestTDBAssembler

[INFO] Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 6.685
s - in org.apache.jena.tdb2.assembler.TestTDBAssembler

.

[INFO] Running org.apache.jena.tdb2.sys.TestDatabaseOps

[ERROR] Tests run: 4, Failures: 1, Errors: 0, Skipped: 0, Time elapsed:
21.136 s <<< FAILURE! - in org.apache.jena.tdb2.sys.TestDatabaseOps

[ERROR] backup_1(org.apache.jena.tdb2.sys.TestDatabaseOps)  Time elapsed:
1.55 s  <<< FAILURE!

java.lang.AssertionError: expected:<2> but was:<3>

         at
org.apache.jena.tdb2.sys.TestDatabaseOps.lambda$backup_1$19(TestDatabaseOps.
java:188)

         at
org.apache.jena.tdb2.sys.TestDatabaseOps.backup_1(TestDatabaseOps.java:186)

                 Circumvented by skipping the tests altogether.

Thanks,

*       OHM.


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