DhanushDK17 opened a new issue, #486:
URL: https://github.com/apache/incubator-livy/issues/486

   I am using the following to build livy
   
   ```
   git clone https://github.com/apache/incubator-livy.git
   cd incubator-livy
   mvn package
   
   ```
   
   I get the following exception
   
   org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute 
goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (default) on 
project livy-main: Execution default of goal 
org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce failed: An API 
incompatibility was encountered while executing 
org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce: 
java.lang.ExceptionInInitializerError: null
   -----------------------------------------------------
   realm =    plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.4.1
   strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
   urls[0] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.jar
   urls[1] = 
file:/Users/dhanushkumar/.m2/repository/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar
   urls[2] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.11/plexus-interpolation-1.11.jar
   urls[3] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/slf4j-jdk14/1.5.6/slf4j-jdk14-1.5.6.jar
   urls[4] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/jcl-over-slf4j/1.5.6/jcl-over-slf4j-1.5.6.jar
   urls[5] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/reporting/maven-reporting-api/2.2.1/maven-reporting-api-2.2.1.jar
   urls[6] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-sink-api/1.1/doxia-sink-api-1.1.jar
   urls[7] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
   urls[8] = 
file:/Users/dhanushkumar/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar
   urls[9] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interactivity-api/1.0-alpha-4/plexus-interactivity-api-1.0-alpha-4.jar
   urls[10] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
   urls[11] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
   urls[12] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-utils/3.0.22/plexus-utils-3.0.22.jar
   urls[13] = 
file:/Users/dhanushkumar/.m2/repository/commons-lang/commons-lang/2.3/commons-lang-2.3.jar
   urls[14] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-api/1.4.1/enforcer-api-1.4.1.jar
   urls[15] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-rules/1.4.1/enforcer-rules-1.4.1.jar
   urls[16] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-common-artifact-filters/1.4/maven-common-artifact-filters-1.4.jar
   urls[17] = 
file:/Users/dhanushkumar/.m2/repository/org/beanshell/bsh/2.0b4/bsh-2.0b4.jar
   urls[18] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-dependency-tree/2.2/maven-dependency-tree-2.2.jar
   urls[19] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
   urls[20] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-i18n/1.0-beta-6/plexus-i18n-1.0-beta-6.jar
   urls[21] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugin-testing/maven-plugin-testing-harness/1.3/maven-plugin-testing-harness-1.3.jar
   urls[22] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-archiver/2.2/plexus-archiver-2.2.jar
   urls[23] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-io/2.0.4/plexus-io-2.0.4.jar
   urls[24] = 
file:/Users/dhanushkumar/.m2/repository/junit/junit/4.11/junit-4.11.jar
   urls[25] = 
file:/Users/dhanushkumar/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
   Number of foreign imports: 1
   import: Entry[import  from realm ClassRealm[maven.api, parent: null]]
   
   -----------------------------------------------------
   
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 
(MojoExecutor.java:333)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute 
(MojoExecutor.java:316)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:212)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:174)
       at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 
(MojoExecutor.java:75)
       at org.apache.maven.lifecycle.internal.MojoExecutor$1.run 
(MojoExecutor.java:162)
       at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute 
(DefaultMojosExecutionStrategy.java:39)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:159)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:105)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:73)
       at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:53)
       at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:118)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
       at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
       at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
       at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
       at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
       at jdk.internal.reflect.DirectMethodHandleAccessor.invoke 
(DirectMethodHandleAccessor.java:104)
       at java.lang.reflect.Method.invoke (Method.java:565)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:255)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:201)
       at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:361)
       at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:314)
   Caused by: org.apache.maven.plugin.PluginExecutionException: Execution 
default of goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce 
failed: An API incompatibility was encountered while executing 
org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce: 
java.lang.ExceptionInInitializerError: null
   -----------------------------------------------------
   realm =    plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.4.1
   strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
   urls[0] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.jar
   urls[1] = 
file:/Users/dhanushkumar/.m2/repository/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar
   urls[2] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.11/plexus-interpolation-1.11.jar
   urls[3] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/slf4j-jdk14/1.5.6/slf4j-jdk14-1.5.6.jar
   urls[4] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/jcl-over-slf4j/1.5.6/jcl-over-slf4j-1.5.6.jar
   urls[5] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/reporting/maven-reporting-api/2.2.1/maven-reporting-api-2.2.1.jar
   urls[6] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-sink-api/1.1/doxia-sink-api-1.1.jar
   urls[7] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
   urls[8] = 
file:/Users/dhanushkumar/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar
   urls[9] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interactivity-api/1.0-alpha-4/plexus-interactivity-api-1.0-alpha-4.jar
   urls[10] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
   urls[11] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
   urls[12] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-utils/3.0.22/plexus-utils-3.0.22.jar
   urls[13] = 
file:/Users/dhanushkumar/.m2/repository/commons-lang/commons-lang/2.3/commons-lang-2.3.jar
   urls[14] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-api/1.4.1/enforcer-api-1.4.1.jar
   urls[15] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-rules/1.4.1/enforcer-rules-1.4.1.jar
   urls[16] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-common-artifact-filters/1.4/maven-common-artifact-filters-1.4.jar
   urls[17] = 
file:/Users/dhanushkumar/.m2/repository/org/beanshell/bsh/2.0b4/bsh-2.0b4.jar
   urls[18] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-dependency-tree/2.2/maven-dependency-tree-2.2.jar
   urls[19] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
   urls[20] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-i18n/1.0-beta-6/plexus-i18n-1.0-beta-6.jar
   urls[21] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugin-testing/maven-plugin-testing-harness/1.3/maven-plugin-testing-harness-1.3.jar
   urls[22] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-archiver/2.2/plexus-archiver-2.2.jar
   urls[23] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-io/2.0.4/plexus-io-2.0.4.jar
   urls[24] = 
file:/Users/dhanushkumar/.m2/repository/junit/junit/4.11/junit-4.11.jar
   urls[25] = 
file:/Users/dhanushkumar/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
   Number of foreign imports: 1
   import: Entry[import  from realm ClassRealm[maven.api, parent: null]]
   
   -----------------------------------------------------
   
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:165)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 
(MojoExecutor.java:328)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute 
(MojoExecutor.java:316)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:212)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:174)
       at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 
(MojoExecutor.java:75)
       at org.apache.maven.lifecycle.internal.MojoExecutor$1.run 
(MojoExecutor.java:162)
       at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute 
(DefaultMojosExecutionStrategy.java:39)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:159)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:105)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:73)
       at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:53)
       at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:118)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
       at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
       at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
       at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
       at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
       at jdk.internal.reflect.DirectMethodHandleAccessor.invoke 
(DirectMethodHandleAccessor.java:104)
       at java.lang.reflect.Method.invoke (Method.java:565)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:255)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:201)
       at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:361)
       at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:314)
   Caused by: org.apache.maven.plugin.PluginContainerException: An API 
incompatibility was encountered while executing 
org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce: 
java.lang.ExceptionInInitializerError: null
   -----------------------------------------------------
   realm =    plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.4.1
   strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
   urls[0] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.jar
   urls[1] = 
file:/Users/dhanushkumar/.m2/repository/backport-util-concurrent/backport-util-concurrent/3.1/backport-util-concurrent-3.1.jar
   urls[2] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interpolation/1.11/plexus-interpolation-1.11.jar
   urls[3] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/slf4j-jdk14/1.5.6/slf4j-jdk14-1.5.6.jar
   urls[4] = 
file:/Users/dhanushkumar/.m2/repository/org/slf4j/jcl-over-slf4j/1.5.6/jcl-over-slf4j-1.5.6.jar
   urls[5] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/reporting/maven-reporting-api/2.2.1/maven-reporting-api-2.2.1.jar
   urls[6] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-sink-api/1.1/doxia-sink-api-1.1.jar
   urls[7] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/doxia/doxia-logging-api/1.1/doxia-logging-api-1.1.jar
   urls[8] = 
file:/Users/dhanushkumar/.m2/repository/commons-cli/commons-cli/1.2/commons-cli-1.2.jar
   urls[9] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-interactivity-api/1.0-alpha-4/plexus-interactivity-api-1.0-alpha-4.jar
   urls[10] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-sec-dispatcher/1.3/plexus-sec-dispatcher-1.3.jar
   urls[11] = 
file:/Users/dhanushkumar/.m2/repository/org/sonatype/plexus/plexus-cipher/1.4/plexus-cipher-1.4.jar
   urls[12] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-utils/3.0.22/plexus-utils-3.0.22.jar
   urls[13] = 
file:/Users/dhanushkumar/.m2/repository/commons-lang/commons-lang/2.3/commons-lang-2.3.jar
   urls[14] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-api/1.4.1/enforcer-api-1.4.1.jar
   urls[15] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/enforcer/enforcer-rules/1.4.1/enforcer-rules-1.4.1.jar
   urls[16] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-common-artifact-filters/1.4/maven-common-artifact-filters-1.4.jar
   urls[17] = 
file:/Users/dhanushkumar/.m2/repository/org/beanshell/bsh/2.0b4/bsh-2.0b4.jar
   urls[18] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/shared/maven-dependency-tree/2.2/maven-dependency-tree-2.2.jar
   urls[19] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-component-annotations/1.5.5/plexus-component-annotations-1.5.5.jar
   urls[20] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-i18n/1.0-beta-6/plexus-i18n-1.0-beta-6.jar
   urls[21] = 
file:/Users/dhanushkumar/.m2/repository/org/apache/maven/plugin-testing/maven-plugin-testing-harness/1.3/maven-plugin-testing-harness-1.3.jar
   urls[22] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-archiver/2.2/plexus-archiver-2.2.jar
   urls[23] = 
file:/Users/dhanushkumar/.m2/repository/org/codehaus/plexus/plexus-io/2.0.4/plexus-io-2.0.4.jar
   urls[24] = 
file:/Users/dhanushkumar/.m2/repository/junit/junit/4.11/junit-4.11.jar
   urls[25] = 
file:/Users/dhanushkumar/.m2/repository/org/hamcrest/hamcrest-core/1.3/hamcrest-core-1.3.jar
   Number of foreign imports: 1
   import: Entry[import  from realm ClassRealm[maven.api, parent: null]]
   
   -----------------------------------------------------
   
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:163)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 
(MojoExecutor.java:328)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute 
(MojoExecutor.java:316)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:212)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:174)
       at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 
(MojoExecutor.java:75)
       at org.apache.maven.lifecycle.internal.MojoExecutor$1.run 
(MojoExecutor.java:162)
       at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute 
(DefaultMojosExecutionStrategy.java:39)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:159)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:105)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:73)
       at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:53)
       at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:118)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
       at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
       at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
       at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
       at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
       at jdk.internal.reflect.DirectMethodHandleAccessor.invoke 
(DirectMethodHandleAccessor.java:104)
       at java.lang.reflect.Method.invoke (Method.java:565)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:255)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:201)
       at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:361)
       at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:314)
   Caused by: java.lang.ExceptionInInitializerError
       at org.apache.maven.plugins.enforcer.RequireJavaVersion.execute 
(RequireJavaVersion.java:52)
       at org.apache.maven.plugins.enforcer.EnforceMojo.execute 
(EnforceMojo.java:193)
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:126)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 
(MojoExecutor.java:328)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute 
(MojoExecutor.java:316)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:212)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:174)
       at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 
(MojoExecutor.java:75)
       at org.apache.maven.lifecycle.internal.MojoExecutor$1.run 
(MojoExecutor.java:162)
       at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute 
(DefaultMojosExecutionStrategy.java:39)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:159)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:105)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:73)
       at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:53)
       at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:118)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
       at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
       at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
       at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
       at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
       at jdk.internal.reflect.DirectMethodHandleAccessor.invoke 
(DirectMethodHandleAccessor.java:104)
       at java.lang.reflect.Method.invoke (Method.java:565)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:255)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:201)
       at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:361)
       at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:314)
   Caused by: java.lang.StringIndexOutOfBoundsException: Range [0, 3) out of 
bounds for length 2
       at jdk.internal.util.Preconditions$1.apply (Preconditions.java:55)
       at jdk.internal.util.Preconditions$1.apply (Preconditions.java:52)
       at jdk.internal.util.Preconditions$4.apply (Preconditions.java:213)
       at jdk.internal.util.Preconditions$4.apply (Preconditions.java:210)
       at jdk.internal.util.Preconditions.outOfBounds (Preconditions.java:98)
       at jdk.internal.util.Preconditions.outOfBoundsCheckFromToIndex 
(Preconditions.java:112)
       at jdk.internal.util.Preconditions.checkFromToIndex 
(Preconditions.java:349)
       at java.lang.String.checkBoundsBeginEnd (String.java:4937)
       at java.lang.String.substring (String.java:2899)
       at org.apache.commons.lang.SystemUtils.getJavaVersionAsFloat 
(SystemUtils.java:1122)
       at org.apache.commons.lang.SystemUtils.<clinit> (SystemUtils.java:818)
       at org.apache.maven.plugins.enforcer.RequireJavaVersion.execute 
(RequireJavaVersion.java:52)
       at org.apache.maven.plugins.enforcer.EnforceMojo.execute 
(EnforceMojo.java:193)
       at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo 
(DefaultBuildPluginManager.java:126)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute2 
(MojoExecutor.java:328)
       at org.apache.maven.lifecycle.internal.MojoExecutor.doExecute 
(MojoExecutor.java:316)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:212)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:174)
       at org.apache.maven.lifecycle.internal.MojoExecutor.access$000 
(MojoExecutor.java:75)
       at org.apache.maven.lifecycle.internal.MojoExecutor$1.run 
(MojoExecutor.java:162)
       at org.apache.maven.plugin.DefaultMojosExecutionStrategy.execute 
(DefaultMojosExecutionStrategy.java:39)
       at org.apache.maven.lifecycle.internal.MojoExecutor.execute 
(MojoExecutor.java:159)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:105)
       at 
org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject 
(LifecycleModuleBuilder.java:73)
       at 
org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build
 (SingleThreadedBuilder.java:53)
       at org.apache.maven.lifecycle.internal.LifecycleStarter.execute 
(LifecycleStarter.java:118)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:261)
       at org.apache.maven.DefaultMaven.doExecute (DefaultMaven.java:173)
       at org.apache.maven.DefaultMaven.execute (DefaultMaven.java:101)
       at org.apache.maven.cli.MavenCli.execute (MavenCli.java:906)
       at org.apache.maven.cli.MavenCli.doMain (MavenCli.java:283)
       at org.apache.maven.cli.MavenCli.main (MavenCli.java:206)
       at jdk.internal.reflect.DirectMethodHandleAccessor.invoke 
(DirectMethodHandleAccessor.java:104)
       at java.lang.reflect.Method.invoke (Method.java:565)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced 
(Launcher.java:255)
       at org.codehaus.plexus.classworlds.launcher.Launcher.launch 
(Launcher.java:201)
       at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode 
(Launcher.java:361)
       at org.codehaus.plexus.classworlds.launcher.Launcher.main 
(Launcher.java:314)
   [ERROR] 
   [ERROR] 
   [ERROR] For more information about the errors and possible solutions, please 
read the following articles:
   [ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/PluginContainerException
   [DEBUG] Shutting down adapter factory; available factories [file-lock, 
rwlock-local, semaphore-local, noop]; available name mappers [discriminating, 
file-gav, file-hgav, file-static, gav, static]
   [DEBUG] Shutting down 'file-lock' factory
   [DEBUG] Shutting down 'rwlock-local' factory
   [DEBUG] Shutting down 'semaphore-local' factory
   [DEBUG] Shutting down 'noop' factory
   
   
   
   


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