Unsupported major.minor version 51.0

2015-08-11 Thread Yakubovich, Alexey
I found some discussions online, but it all cpome to advice to use JDF 1.7 (or 
1.8).
Well, I use JDK 1.7 on OS X Yosemite .  Both
java –verion //

java version 1.7.0_80

Java(TM) SE Runtime Environment (build 1.7.0_80-b15)

Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)

and
echo $JAVA_HOME// 
/Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
show JDK 1.7.
But for the Spark 1.4.1.  (and for Spark 1.2.2, downloaded 07/10/2015, I have  
the same error when build with maven ()  (as sudo mvn -DskipTests -X clean 
package  abra.txt)

Exception in thread main java.lang.UnsupportedClassVersionError: 
org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0


Please help how to build the thing.

Thanks

Alexey

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Re: Unsupported major.minor version 51.0

2015-08-11 Thread Ted Yu
What does the following command say ?
mvn -version

Maybe you are using an old maven ?

Cheers

On Tue, Aug 11, 2015 at 7:55 AM, Yakubovich, Alexey 
alexey.yakubov...@searshc.com wrote:

 I found some discussions online, but it all cpome to advice to use JDF 1.7
 (or 1.8).
 Well, I use JDK 1.7 on OS X Yosemite .  Both
 java –verion //

 java version 1.7.0_80

 Java(TM) SE Runtime Environment (build 1.7.0_80-b15)

 Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)
 and
 echo $JAVA_HOME//
 /Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
 show JDK 1.7.
 But for the Spark 1.4.1.  (and for Spark 1.2.2, downloaded 07/10/2015, I
 have  the same error when build with maven ()  (as sudo mvn -DskipTests
 -X clean package  abra.txt)

 Exception in thread main java.lang.UnsupportedClassVersionError:
 org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0


 Please help how to build the thing.

 Thanks

 Alexey
 This message, including any attachments, is the property of Sears Holdings
 Corporation and/or one of its subsidiaries. It is confidential and may
 contain proprietary or legally privileged information. If you are not the
 intended recipient, please delete it without reading the contents. Thank
 you.



Unsupported major.minor version 51.0

2015-08-11 Thread alexeyy3
I found some discussions online, but it all cpome to advice to use JDF 1.7
(or 1.8).
Well, I use JDK 1.7 on OS X Yosemite .  Both 
java –verion //
java version 1.7.0_80
Java(TM) SE Runtime Environment (build 1.7.0_80-b15)
Java HotSpot(TM) 64-Bit Server VM (build 24.80-b11, mixed mode)
and 
echo $JAVA_HOME//
/Library/Java/JavaVirtualMachines/jdk1.7.0_80.jdk/Contents/Home
show JDK 1.7.  
But for the Spark 1.4.1.  (and for Spark 1.2.2, downloaded 07/10/2015, I
have  the same error when build with maven ()  (as sudo mvn -DskipTests -X
clean package  abra.txt)
Exception in thread main java.lang.UnsupportedClassVersionError:
org/apache/maven/cli/MavenCli : Unsupported major.minor version 51.0

Please help how to build the thing.
Thanks
Alexey



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Re: Unsupported major.minor version 51.0

2015-08-11 Thread Ritesh Kumar Singh
Can you please mention the output for the following :

java -version

javac -version