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https://issues.apache.org/jira/browse/MAPREDUCE-4239?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Karthik Kambatla resolved MAPREDUCE-4239.
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Resolution: Duplicate
> gridmix has 11 findbugs warnings
> --------------------------------
>
> Key: MAPREDUCE-4239
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4239
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Components: contrib/gridmix
> Affects Versions: 2.0.0-alpha
> Reporter: Thomas Graves
> Priority: Minor
>
> jira MAPREDUCE-3543 is mavenizing gridmix. I found that gridmix has 11
> findbugs warnings while doing that jira that should be fixed or have excludes
> added for them.
> Code Warning
> Se org.apache.hadoop.mapred.gridmix.GridmixRecord$Comparator implements
> Comparator but not Serializable
> Malicious code vulnerability Warnings
> Code Warning
> EI org.apache.hadoop.mapred.gridmix.SleepJob$SleepSplit.getLocations() may
> expose internal representation by returning SleepJob$SleepSplit.locations
> EI2 new org.apache.hadoop.mapred.gridmix.SleepJob(Configuration, long,
> JobStory, Path, UserGroupInformation, int, int, String[]) may expose internal
> representation by storing an externally mutable object into SleepJob.hosts
> EI2 new org.apache.hadoop.mapred.gridmix.SleepJob$SleepSplit(int, long,
> long[], int, String[]) may expose internal representation by storing an
> externally mutable object into SleepJob$SleepSplit.locations
> EI2 new org.apache.hadoop.mapred.gridmix.SleepJob$SleepSplit(int, long,
> long[], int, String[]) may expose internal representation by storing an
> externally mutable object into SleepJob$SleepSplit.reduceDurations
> MS
> org.apache.hadoop.mapred.gridmix.emulators.resourceusage.TotalHeapUsageEmulatorPlugin.ONE_MB
> isn't final but should be
> MS
> org.apache.hadoop.mapred.gridmix.emulators.resourceusage.TotalHeapUsageEmulatorPlugin$DefaultHeapUsageEmulator.heapSpace
> isn't final but should be
> Multithreaded correctness Warnings
> Code Warning
> JLM Synchronization performed on java.util.concurrent.LinkedBlockingQueue
> in org.apache.hadoop.mapred.gridmix.JobMonitor.add(Statistics$JobStats)
> JLM Synchronization performed on java.util.concurrent.BlockingQueue in
> org.apache.hadoop.mapred.gridmix.JobMonitor$MonitorThread.run()
> JLM Synchronization performed on java.util.concurrent.BlockingQueue in
> org.apache.hadoop.mapred.gridmix.JobMonitor$MonitorThread.run()
> Dodgy Warnings
> Code Warning
> REC Exception is caught when Exception is not thrown in
> org.apache.hadoop.mapred.gridmix.ExecutionSummarizer.processJobState(Statistics$JobStats)
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