cd /home/mijao/NetBeansProjects/CassandraSpark; JAVA_HOME=/usr/lib/jvm/java-7-oracle /home/mijao/netbeans-7.3.1/java/maven/bin/mvn "-Dexec.args=-classpath %classpath com.mijao.cassandra.spark.CassandraSparkExample" -Dexec.executable=/usr/lib/jvm/java-7-oracle/bin/java process-classes org.codehaus.mojo:exec-maven-plugin:1.2.1:exec
Scanning for projects...

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Building CassandraSpark 1.0-SNAPSHOT
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[resources:resources]
[debug] execute contextualize
Using 'UTF-8' encoding to copy filtered resources.
Copying 0 resource

[compiler:compile]
Compiling 1 source file to /home/mijao/NetBeansProjects/CassandraSpark/target/classes

[exec:exec]
Downloading: http://repo.maven.apache.org/maven2/junit/junit/3.8.2/junit-3.8.2.pom

Downloaded: http://repo.maven.apache.org/maven2/junit/junit/3.8.2/junit-3.8.2.pom (747 B at 0.2 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/maven-plugin-api/2.0/maven-plugin-api-2.0.pom

Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/maven-plugin-api/2.0/maven-plugin-api-2.0.pom (601 B at 1.6 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/maven/maven/2.0/maven-2.0.pom

Downloaded: http://repo.maven.apache.org/maven2/org/apache/maven/maven/2.0/maven-2.0.pom (9 KB at 41.4 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/commons/commons-exec/1.1/commons-exec-1.1.pom

Downloaded: http://repo.maven.apache.org/maven2/org/apache/commons/commons-exec/1.1/commons-exec-1.1.pom (11 KB at 40.7 KB/sec)
Downloading: http://repo.maven.apache.org/maven2/org/apache/commons/commons-exec/1.1/commons-exec-1.1.jar

Downloaded: http://repo.maven.apache.org/maven2/org/apache/commons/commons-exec/1.1/commons-exec-1.1.jar (52 KB at 83.8 KB/sec)
ERROR: Los parámetros deben ser <Spark Master URL> <Dirección Cassandra>
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BUILD FAILURE
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Total time: 2:21.614s
Finished at: Sat Feb 13 21:14:01 VET 2016
Final Memory: 30M/126M
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Failed to execute goal org.codehaus.mojo:exec-maven-plugin:1.2.1:exec (default-cli) on project CassandraSpark: Command execution failed. Process exited with an error: 1 (Exit value: 1) -> [Help 1]

To see the full stack trace of the errors, re-run Maven with the -e switch.
Re-run Maven using the -X switch to enable full debug logging.

For more information about the errors and possible solutions, please read the following articles:
[Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException