Error message for unsupported pyspark version

Project: http://git-wip-us.apache.org/repos/asf/incubator-zeppelin/repo
Commit: 
http://git-wip-us.apache.org/repos/asf/incubator-zeppelin/commit/1c2dfb8c
Tree: http://git-wip-us.apache.org/repos/asf/incubator-zeppelin/tree/1c2dfb8c
Diff: http://git-wip-us.apache.org/repos/asf/incubator-zeppelin/diff/1c2dfb8c

Branch: refs/heads/master
Commit: 1c2dfb8c2d158e2ff991ac7ba05164e9b092529e
Parents: 03319d7
Author: Lee moon soo <[email protected]>
Authored: Mon Mar 16 16:37:14 2015 +0900
Committer: Lee moon soo <[email protected]>
Committed: Mon Mar 16 16:37:14 2015 +0900

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 .../main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java  | 4 ++++
 1 file changed, 4 insertions(+)
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http://git-wip-us.apache.org/repos/asf/incubator-zeppelin/blob/1c2dfb8c/spark/src/main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java
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diff --git 
a/spark/src/main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java 
b/spark/src/main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java
index 5e277cd..5f5386e 100644
--- a/spark/src/main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java
+++ b/spark/src/main/java/com/nflabs/zeppelin/spark/PySparkInterpreter.java
@@ -242,6 +242,10 @@ public class PySparkInterpreter extends Interpreter 
implements ExecuteResultHand
     }
 
     SparkInterpreter sparkInterpreter = getSparkInterpreter();
+    if (!sparkInterpreter.getSparkContext().version().startsWith("1.2")) {
+      return new InterpreterResult(Code.ERROR, "pyspark "
+          + sparkInterpreter.getSparkContext().version() + " is not 
supported");
+    }
     String jobGroup = sparkInterpreter.getJobGroup(context);
     ZeppelinContext z = sparkInterpreter.getZeppelinContext();
     z.setInterpreterContext(context);

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