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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Created] (MAPREDUCE-4239) gridmix has 11 findbugs warnings
Date Wed, 09 May 2012 21:03:48 GMT
Thomas Graves created MAPREDUCE-4239:
----------------------------------------

             Summary: 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
            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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