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When I build and run my program in Netbeans, it works without a problem. But with same pom.xml file when I try "mvn compile" I get this error:

[ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.0.2:compile (default-compile) on project hadoop-test: Compilation failure
[ERROR] /home/metin/NetBeansProjects/hadoop-test/src/main/java/com/citusdata/hadoop/HadoopTest.java:[53,8] error: generics are not supported in -source 1.3

My java version is not 1.3, here the result of "mvn -version"

Apache Maven 3.0.4
Maven home: /usr/share/maven
Java version: 1.7.0_03, vendor: Oracle Corporation
Java home: /usr/lib/jvm/java-7-openjdk-amd64/jre
Default locale: en_US, platform encoding: UTF-8
OS name: "linux", version: "3.2.0-27-generic", arch: "amd64", family: "unix"

and this is the line 53:

Token<BlockTokenIdentifier> token = locatedBlock.getBlockToken();
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The problem is that maven-compiler-plugin in Maven2 by default uses -source 1.3 and target 1.3

You can fix it by adding this to your pom:

    <plugin>
      <groupId>org.apache.maven.plugins</groupId>
      <artifactId>maven-compiler-plugin</artifactId>
      <configuration>
        <compilerVersion>1.5</compilerVersion>
        <source>1.5</source>
        <target>1.5</target>
      </configuration>
    </plugin>

It's practical to put this into pluginManagement section in your topmost parent pom so that your derived poms do not need to care about this.


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