GitHub user carsonwang opened a pull request:
https://github.com/apache/spark/pull/10352
[SPARK-12399] Display correct error message when accessing REST API with an
unknown app Id
I got an exception when accessing the below REST API with an unknown
application Id.
`/api/v1/applications/xxx/jobs`
Instead of an exception, I expect an error message "no such app: xxx" which
is a similar error message when I access `/api/v1/applications/xxx`
```
org.spark-project.guava.util.concurrent.UncheckedExecutionException:
java.util.NoSuchElementException: no app with key xxx
at
org.spark-project.guava.cache.LocalCache$Segment.get(LocalCache.java:2263)
at org.spark-project.guava.cache.LocalCache.get(LocalCache.java:4000)
at
org.spark-project.guava.cache.LocalCache.getOrLoad(LocalCache.java:4004)
at
org.spark-project.guava.cache.LocalCache$LocalLoadingCache.get(LocalCache.java:4874)
at
org.apache.spark.deploy.history.HistoryServer.getSparkUI(HistoryServer.scala:116)
at
org.apache.spark.status.api.v1.UIRoot$class.withSparkUI(ApiRootResource.scala:226)
at
org.apache.spark.deploy.history.HistoryServer.withSparkUI(HistoryServer.scala:46)
at
org.apache.spark.status.api.v1.ApiRootResource.getJobs(ApiRootResource.scala:66)
```
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/carsonwang/spark unknownAppFix
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/spark/pull/10352.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 #10352
----
commit a7721afdaead1977c78c8afb60ebd21e076a1e01
Author: Carson Wang <[email protected]>
Date: 2015-12-17T07:37:23Z
Display correct error message when accessing REST API with an unknown app Id
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