I am trying to use the flatten-maven-plugin to flatten the POM for a test Web application and getting an incompatible API method. The plugin configuration is inherited from the project's main POM and other parts of the project are working just fine so I am a bit perplexed as to why this would happen on this particular submodule.
[INFO] --- flatten-maven-plugin:1.0.0-beta-5:flatten (flatten) @ get-listen-addr
ess-app ---
[DEBUG] Configuring mojo org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:fla
tten from plugin realm ClassRealm[plugin>org.codehaus.mojo:flatten-maven-plugin:
1.0.0-beta-5, parent: sun.misc.Launcher$AppClassLoader@70dea4e]
[DEBUG] Configuring mojo 'org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:fl
atten' with basic configurator -->
DEBUG embedBuildProfileDependencies = false
DEBUG flattenedPomFilename = .flattened-pom.xml
DEBUG localRepository = id: local
url: file:///C:/Users/RPATRICK/.m2/repository/
layout: default
snapshots: [enabled => true, update => always]
releases: [enabled => true, update => always]
DEBUG mojoExecution = org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-
5:flatten {execution: flatten}
DEBUG outputDirectory = C:\rpatrick\work\projects\jcs-las\system-test\ap
ps\get-listen-address-app
DEBUG repositories = flatten
DEBUG pomElements = org.codehaus.mojo.flatten.FlattenDescriptor@6f6a7463
DEBUG project = MavenProject: oracle.jcs.lifecycle:get-listen-address-ap
p:0.2-SNAPSHOT @ C:\rpatrick\work\projects\jcs-las\system-test\apps\get-listen-a
ddress-app\pom.xml
[DEBUG] -- end configuration --
[INFO] Generating flattened POM of project oracle.jcs.lifecycle:get-listen-addre
ss-app:war:0.2-SNAPSHOT...
[DEBUG] Resolving dependencies of oracle.jcs.lifecycle:get-listen-address-app:wa
r:0.2-SNAPSHOT
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 2.601 s
[INFO] Finished at: 2015-11-25T20:49:36-06:00
[INFO] Final Memory: 73M/876M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta
-5:flatten (flatten) on project get-listen-address-app: Execution flatten of goa
l org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:flatten failed: An API inc
ompatibility was encountered while executing org.codehaus.mojo:flatten-maven-plu
gin:1.0.0-beta-5:flatten: java.lang.AbstractMethodError: null
[ERROR] -----------------------------------------------------
[ERROR] realm = plugin>org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5
[ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
[ERROR] urls[0] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/mojo/flatt
en-maven-plugin/1.0.0-beta-5/flatten-maven-plugin-1.0.0-beta-5.jar
[ERROR] urls[1] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/ple
xus-interpolation/1.14/plexus-interpolation-1.14.jar
[ERROR] urls[2] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/ple
xus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
[ERROR] urls[3] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/aether/aet
her-util/1.7/aether-util-1.7.jar
[ERROR] urls[4] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-
inject-bean/1.4.2/sisu-inject-bean-1.4.2.jar
[ERROR] urls[5] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-
guice/2.1.7/sisu-guice-2.1.7-noaop.jar
[ERROR] urls[6] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/ple
xus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
[ERROR] urls[7] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/ple
xus-cipher/1.4/plexus-cipher-1.4.jar
[ERROR] urls[8] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/ple
xus-utils/3.0.17/plexus-utils-3.0.17.jar
[ERROR] Number of foreign imports: 1
[ERROR] import: Entry[import from realm ClassRealm[maven.api, parent: null]]
[ERROR]
[ERROR] -----------------------------------------------------
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal o
rg.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:flatten (flatten) on project
get-listen-address-app: Execution flatten of goal org.codehaus.mojo:flatten-mave
n-plugin:1.0.0-beta-5:flatten failed: An API incompatibility was encountered whi
le executing org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:flatten: java.l
ang.AbstractMethodError: null
realm = plugin>org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5
strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
urls[0] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/mojo/flatten-maven
-plugin/1.0.0-beta-5/flatten-maven-plugin-1.0.0-beta-5.jar
urls[1] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-inte
rpolation/1.14/plexus-interpolation-1.14.jar
urls[2] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-comp
onent-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
urls[3] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/aether/aether-util
/1.7/aether-util-1.7.jar
urls[4] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-inject-b
ean/1.4.2/sisu-inject-bean-1.4.2.jar
urls[5] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-guice/2.
1.7/sisu-guice-2.1.7-noaop.jar
urls[6] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-sec-
dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
urls[7] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-ciph
er/1.4/plexus-cipher-1.4.jar
urls[8] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-util
s/3.0.17/plexus-utils-3.0.17.jar
Number of foreign imports: 1
import: Entry[import from realm ClassRealm[maven.api, parent: null]]
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:224)
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.buildProje
ct(LifecycleModuleBuilder.java:116)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProje
ct(LifecycleModuleBuilder.java:80)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThre
adedBuilder.build(SingleThreadedBuilder.java:51)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(Lifecycl
eStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:307)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:193)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:106)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:862)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:286)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:197)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.
java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAcces
sorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Laun
cher.java:289)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.jav
a:229)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(La
uncher.java:415)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:
356)
Caused by: org.apache.maven.plugin.PluginExecutionException: Execution flatten o
f goal org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5:flatten failed: An AP
I incompatibility was encountered while executing org.codehaus.mojo:flatten-mave
n-plugin:1.0.0-beta-5:flatten: java.lang.AbstractMethodError: null
realm = plugin>org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5
strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
urls[0] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/mojo/flatten-maven
-plugin/1.0.0-beta-5/flatten-maven-plugin-1.0.0-beta-5.jar
urls[1] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-inte
rpolation/1.14/plexus-interpolation-1.14.jar
urls[2] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-comp
onent-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
urls[3] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/aether/aether-util
/1.7/aether-util-1.7.jar
urls[4] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-inject-b
ean/1.4.2/sisu-inject-bean-1.4.2.jar
urls[5] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-guice/2.
1.7/sisu-guice-2.1.7-noaop.jar
urls[6] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-sec-
dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
urls[7] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-ciph
er/1.4/plexus-cipher-1.4.jar
urls[8] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-util
s/3.0.17/plexus-utils-3.0.17.jar
Number of foreign imports: 1
import: Entry[import from realm ClassRealm[maven.api, parent: null]]
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default
BuildPluginManager.java:183)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor
.java:208)
... 20 more
Caused by: org.apache.maven.plugin.PluginContainerException: An API incompatibil
ity was encountered while executing org.codehaus.mojo:flatten-maven-plugin:1.0.0
-beta-5:flatten: java.lang.AbstractMethodError: null
realm = plugin>org.codehaus.mojo:flatten-maven-plugin:1.0.0-beta-5
strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
urls[0] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/mojo/flatten-maven
-plugin/1.0.0-beta-5/flatten-maven-plugin-1.0.0-beta-5.jar
urls[1] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-inte
rpolation/1.14/plexus-interpolation-1.14.jar
urls[2] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-comp
onent-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
urls[3] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/aether/aether-util
/1.7/aether-util-1.7.jar
urls[4] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-inject-b
ean/1.4.2/sisu-inject-bean-1.4.2.jar
urls[5] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/sisu/sisu-guice/2.
1.7/sisu-guice-2.1.7-noaop.jar
urls[6] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-sec-
dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
urls[7] = file:/C:/Users/RPATRICK/.m2/repository/org/sonatype/plexus/plexus-ciph
er/1.4/plexus-cipher-1.4.jar
urls[8] = file:/C:/Users/RPATRICK/.m2/repository/org/codehaus/plexus/plexus-util
s/3.0.17/plexus-utils-3.0.17.jar
Number of foreign imports: 1
import: Entry[import from realm ClassRealm[maven.api, parent: null]]
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default
BuildPluginManager.java:181)
... 21 more
Caused by: java.lang.AbstractMethodError
at org.apache.maven.model.interpolation.ProblemDetectingValueSource.getV
alue(ProblemDetectingValueSource.java:68)
at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolat
e(StringSearchInterpolator.java:198)
at org.codehaus.plexus.interpolation.StringSearchInterpolator.interpolat
e(StringSearchInterpolator.java:122)
at org.apache.maven.model.interpolation.AbstractStringBasedModelInterpol
ator.interpolateInternal(AbstractStringBasedModelInterpolator.java:227)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction.interpolate(StringSearchModelInterpolator.java:141)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction.access$300(StringSearchModelInterpolator.java:95)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction$StringField.doInterpolate(StringSearchModelInterpolator.ja
va:349)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction$CacheField.interpolate(StringSearchModelInterpolator.java:
301)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction$CacheItem.interpolate(StringSearchModelInterpolator.java:2
74)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction.traverseObjectWithParents(StringSearchModelInterpolator.ja
va:158)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator$In
terpolateObjectAction.run(StringSearchModelInterpolator.java:132)
at java.security.AccessController.doPrivileged(Native Method)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator.in
terpolateObject(StringSearchModelInterpolator.java:78)
at org.apache.maven.model.interpolation.StringSearchModelInterpolator.in
terpolateModel(StringSearchModelInterpolator.java:61)
at org.codehaus.mojo.flatten.FlattenMojo.createResolvedPom(FlattenMojo.j
ava:439)
at org.codehaus.mojo.flatten.FlattenMojo.createFlattenedPom(FlattenMojo.
java:417)
at org.codehaus.mojo.flatten.FlattenMojo.execute(FlattenMojo.java:265)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(Default
BuildPluginManager.java:134)
... 21 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please rea
d the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/PluginContaine
rException