# elastciSearch2.1 Maven Build Error **URL:** \ **Category:** Elasticsearch\ **Created:** [December 16, 2015, 9:06am UTC](https://discuss.elastic.co/t/elastcisearch2-1-maven-build-error/37327 "2015-12-16T09:06:52Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Lxz](https://avatars.discourse-cdn.com/v4/letter/l/5f9b8f/32.png) [@Lxz](https://discuss.elastic.co/u/Lxz)\ **Post date:** [December 16, 2015, 9:06am UTC](https://discuss.elastic.co/t/elastcisearch2-1-maven-build-error/37327/1 "2015-12-16T09:06:52Z")
Hi ! I want to consult a problem ： elastciSeach 2.1 JDK 1.7 Maven 3.3.3 /e/elasticSearch/elasticsearch/core (master) $ mvn -e package [INFO] Error stacktraces are turned on. [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building Elasticsearch: Core 3.0.0-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-enforcer-plugin:1.4.1:enforce (enforce-versions) @ elasticsearch --- [WARNING] Rule 0: org.apache.maven.plugins.enforcer.RequireJavaVersion failed with message: Detected JDK Version: 1.7.0-67 is not in the allowed range [1.8,). [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 1.038 s [INFO] Finished at: 2015-12-16T16:22:54+08:00 [INFO] Final Memory: 15M/240M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (enforce -versions) on project elasticsearch: Some Enforcer rules have failed. Look above for specific messag es explaining why the rule failed. -\> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plug ins:maven-enforcer-plugin:1.4.1:enforce (enforce-versions) on project elasticsearch: Some Enforcer r ules have failed. Look above for specific messages explaining why the rule failed. at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216) 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.buildProject(LifecycleModuleBu ilder.java:116) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBu ilder.java:80) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(Si ngleThreadedBuilder.java:51) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.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:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356) Caused by: org.apache.maven.plugin.MojoExecutionException: Some Enforcer rules have failed. Look abo ve for specific messages explaining why the rule failed. at org.apache.maven.plugins.enforcer.EnforceMojo.execute(EnforceMojo.java:237) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.j ava:134) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208) ... 20 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 arti cles: [ERROR] [Help 1] [http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException](http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException) Thanks 🙂 ---
**Author:** ![dadoonet](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/dadoonet/32/137187_2.png) [@dadoonet](https://discuss.elastic.co/u/dadoonet)\ **Post date:** [December 16, 2015, 9:53am UTC](https://discuss.elastic.co/t/elastcisearch2-1-maven-build-error/37327/2 "2015-12-16T09:53:54Z")
You said 2.1 but it looks like an old 3.0 version. Really unclear about what you are doing ---
**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\ **Post date:** [July 5, 2017, 11:30pm UTC](https://discuss.elastic.co/t/elastcisearch2-1-maven-build-error/37327/3 "2017-07-05T23:30:41Z")