GitHub user wangmiao1981 opened a pull request:
https://github.com/apache/spark/pull/13163
[SPARK-15360][Spark-Submit]Should print spark-submit usage when no
arguments is specified
## What changes were proposed in this pull request?
(Please fill in changes proposed in this fix)
In 2.0, ./bin/spark-submit doesn't print out usage, but it raises an
exception.
In this PR, an exception handling is added in the Main.java when the
exception is thrown. In the handling code, if there is no additional argument,
it prints out usage.
## How was this patch tested?
(Please explain how this patch was tested. E.g. unit tests, integration
tests, manual tests)
Manually tested.
./bin/spark-submit
Usage: spark-submit [options] <app jar | python file> [app arguments]
Usage: spark-submit --kill [submission ID] --master [spark://...]
Usage: spark-submit --status [submission ID] --master [spark://...]
Usage: spark-submit run-example [options] example-class [example args]
Options:
--master MASTER_URL spark://host:port, mesos://host:port, yarn,
or local.
--deploy-mode DEPLOY_MODE Whether to launch the driver program locally
("client") or
on one of the worker machines inside the
cluster ("cluster")
(Default: client).
--class CLASS_NAME Your application's main class (for Java /
Scala apps).
--name NAME A name of your application.
--jars JARS Comma-separated list of local jars to include
on the driver
and executor classpaths.
--packages Comma-separated list of maven coordinates of
jars to include
on the driver and executor classpaths. Will
search the local
maven repo, then maven central and any
additional remote
repositories given by --repositories. The
format for the
coordinates should be
groupId:artifactId:version.
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/wangmiao1981/spark submit
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/13163.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #13163
----
commit 548f3b7fec55089709bb7fbed8819d44a3107af7
Author: [email protected] <[email protected]>
Date: 2016-05-17T23:03:33Z
add print usage function
commit ce0d2c07c0128410dea5276ec7fb47fb9c9ee1e6
Author: [email protected] <[email protected]>
Date: 2016-05-18T07:01:12Z
remove a blank line
----
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