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[ZEPPELIN-1314] dump out the R command #1531

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snowch wants to merge 3 commits into from
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[ZEPPELIN-1314] dump out the R command #1531

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25e8a29
[ZEPPELIN-1314] dump out the R command
snowch Oct 17, 2016
09a6d23
added missing semi-colon for statement
snowch Oct 18, 2016
f5f7a70
use toString() method of CommandLine for logging
snowch Oct 18, 2016
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3 changes: 3 additions & 0 deletions spark/src/main/java/org/apache/zeppelin/spark/ZeppelinR.java
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Expand Up @@ -141,6 +141,9 @@ public void open() throws IOException {
cmd.addArgument(Integer.toString(port));
cmd.addArgument(libPath);
cmd.addArgument(Integer.toString(sparkVersion.toNumber()));

// dump out the R command to facilitate manually running it, e.g. for fault diagnosis purposes
logger.debug(cmd.toString());

executor = new DefaultExecutor();
outputStream = new SparkOutputStream(logger);
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