[SPARK-12399] Display correct error message when accessing REST API with an unknown app Id #10352
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Test build #47915 has finished for PR 10352 at commit
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retest this please |
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Test build #47971 has finished for PR 10352 at commit
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retest this please |
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Test build #47990 has finished for PR 10352 at commit
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is it a better fix to do appCache.getIfPresent here?
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appCache.getIfPresent returns null if there is no cached value for the appKey. But appCache.get will try to obtain that value from a CacheLoader, cache it and return it. So I think we still need use appCache.get here and handle the exception.
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LGTM, merging to master and 1.6. Thanks! |
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…ith an unknown app Id I got an exception when accessing the below REST API with an unknown application Id. `http://<server-url>:18080/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) ``` Author: Carson Wang <[email protected]> Closes #10352 from carsonwang/unknownAppFix. (cherry picked from commit b244297) Signed-off-by: Marcelo Vanzin <[email protected]>
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I got an exception when accessing the below REST API with an unknown application Id.
http://<server-url>:18080/api/v1/applications/xxx/jobsInstead 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