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MAPREDUCE-3953. [Gridmix] Gridmix throws NPE and does not simulate a job if the trace contains null taskStatus for a task.(ravigummadi)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1303330 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Ravi Gummadi 2012-03-21 09:42:23 +00:00
parent 9e108e61fb
commit 7b3a98cfcd
3 changed files with 14 additions and 1 deletions
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4
hadoop-mapreduce-project/CHANGES.txt
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@ -52,6 +52,10 @@ Trunk (unreleased changes)
BUG FIXES
MAPREDUCE-3953. [Gridmix] Gridmix throws NPE and does not simulate a
job if the trace contains null taskStatus for a task.
(ravigummadi)
MAPREDUCE-3829. [Gridmix] Gridmix should give better error message when
input data directory already exists and -generate opton is
given.(ravigummadi)

8
hadoop-mapreduce-project/src/contrib/gridmix/src/java/org/apache/hadoop/mapred/gridmix/JobFactory.java
View File

@ -215,7 +215,13 @@ protected JobStory getNextJobFiltered() throws IOException {
return null == job ? null : new FilterJobStory(job) {
@Override
public TaskInfo getTaskInfo(TaskType taskType, int taskNumber) {
return new MinTaskInfo(this.job.getTaskInfo(taskType, taskNumber));
TaskInfo info = this.job.getTaskInfo(taskType, taskNumber);
if (info != null) {
info = new MinTaskInfo(info);
} else {
info = new MinTaskInfo(new TaskInfo(0, 0, 0, 0, 0));
}
return info;
}
};
}

3
hadoop-tools/hadoop-rumen/src/main/java/org/apache/hadoop/tools/rumen/ZombieJob.java
View File

@ -638,6 +638,9 @@ private TaskAttemptInfo getTaskAttemptInfo(LoggedTask loggedTask,
}
private TaskInfo getTaskInfo(LoggedTask loggedTask) {
if (loggedTask == null) {
return new TaskInfo(0, 0, 0, 0, 0);
}
List<LoggedTaskAttempt> attempts = loggedTask.getAttempts();
long inputBytes = -1;