hadoop - Why is Maven trying to compile my code as -source 1.3? -


i error mvn -e package in ubuntu 12.04:

[error] failed execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project hadoopskeleton: compilation failure: compilation failure: [error] /home/jesvin/dev/hadoop/hadoopmahoutskeleton-master/src/main/java/hadoopskeleton/app.java:[22,8] error: generics not supported in -source 1.3 [error]  [error] (use -source 5 or higher enable generics) [error] /home/jesvin/dev/hadoop/hadoopmahoutskeleton-master/src/main/java/hadoopskeleton/app.java:[53,28] error: for-each loops not supported in -source 1.3 [error] -> [help 1] org.apache.maven.lifecycle.lifecycleexecutionexception: failed execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project hadoopskeleton: compilation failure     @ org.apache.maven.lifecycle.internal.mojoexecutor.execute(mojoexecutor.java:213)     @ org.apache.maven.lifecycle.internal.mojoexecutor.execute(mojoexecutor.java:153)     @ org.apache.maven.lifecycle.internal.mojoexecutor.execute(mojoexecutor.java:145)     @ org.apache.maven.lifecycle.internal.lifecyclemodulebuilder.buildproject(lifecyclemodulebuilder.java:84)     @ org.apache.maven.lifecycle.internal.lifecyclemodulebuilder.buildproject(lifecyclemodulebuilder.java:59)     @ org.apache.maven.lifecycle.internal.lifecyclestarter.singlethreadedbuild(lifecyclestarter.java:183)     @ org.apache.maven.lifecycle.internal.lifecyclestarter.execute(lifecyclestarter.java:161)     @ org.apache.maven.defaultmaven.doexecute(defaultmaven.java:320)     @ org.apache.maven.defaultmaven.execute(defaultmaven.java:156)     @ org.apache.maven.cli.mavencli.execute(mavencli.java:537)     @ org.apache.maven.cli.mavencli.domain(mavencli.java:196)     @ org.apache.maven.cli.mavencli.main(mavencli.java:141)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(nativemethodaccessorimpl.java:57)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(delegatingmethodaccessorimpl.java:43)     @ java.lang.reflect.method.invoke(method.java:601)     @ org.codehaus.plexus.classworlds.launcher.launcher.launchenhanced(launcher.java:290)     @ org.codehaus.plexus.classworlds.launcher.launcher.launch(launcher.java:230)     @ org.codehaus.plexus.classworlds.launcher.launcher.mainwithexitcode(launcher.java:409)     @ org.codehaus.plexus.classworlds.launcher.launcher.main(launcher.java:352) caused by: org.apache.maven.plugin.compilationfailureexception: compilation failure     @ org.apache.maven.plugin.abstractcompilermojo.execute(abstractcompilermojo.java:516)     @ org.apache.maven.plugin.compilermojo.execute(compilermojo.java:114)     @ org.apache.maven.plugin.defaultbuildpluginmanager.executemojo(defaultbuildpluginmanager.java:101)     @ org.apache.maven.lifecycle.internal.mojoexecutor.execute(mojoexecutor.java:209)     ... 19 more [error]  [error] re-run maven using -x switch enable full debug logging. [error]  [error] more information errors , possible solutions, please read following articles: [error] [help 1] http://cwiki.apache.org/confluence/display/maven/mojofailureexception

so guess maven forced compile against older version of java. why doing so? want maven configuration builds mahout jars.

<dependencies>     <dependency>         <groupid>junit</groupid>         <artifactid>junit</artifactid>         <version>4.11</version>         <scope>test</scope>     </dependency>     <dependency>         <groupid>org.apache.hadoop</groupid>         <artifactid>hadoop-core</artifactid>         <version>1.0.4</version>         <!-- or whatever version -->     </dependency>     <dependency>         <groupid>org.apache.mahout</groupid>         <artifactid>mahout-core</artifactid>         <version>0.7</version>     </dependency> </dependencies>

i trying build https://github.com/yeahiii/hadoopmahoutskeleton/blob/master/pom.xml

java version "1.7.0_21" java(tm) se runtime environment (build 1.7.0_21-b11) java hotspot(tm) server vm (build 23.21-b01, mixed mode)

use maven compiler plugin

<plugins>      <plugin>           <artifactid>maven-compiler-plugin</artifactid>           <version>3.1</version>           <configuration>               <source>1.7</source>               <target>1.7</target>           </configuration>       </plugin> </plugins>

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