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MAPREDUCE-6110. JobHistoryServer CLI throws NullPointerException with job ids that do not exist. (Kai Sasaki via gtcarrera9) 

(cherry picked from commit 57ead18a85)
This commit is contained in:
Li Lu 2016-03-22 14:27:32 -07:00
parent 4dd02f9484
commit 8bbb5efbfb
2 changed files with 68 additions and 18 deletions
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24
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapreduce/tools/CLI.java
View File

@ -402,8 +402,13 @@ public int run(String[] argv) throws Exception {
}
}
} else if (listEvents) {
listEvents(getJob(JobID.forName(jobid)), fromEvent, nEvents);
Job job = getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
listEvents(job, fromEvent, nEvents);
exitCode = 0;
}
} else if (listJobs) {
listJobs(cluster);
exitCode = 0;
@ -417,8 +422,13 @@ public int run(String[] argv) throws Exception {
listBlacklistedTrackers(cluster);
exitCode = 0;
} else if (displayTasks) {
Job job = getJob(JobID.forName(jobid));
if (job == null) {
System.out.println("Could not find job " + jobid);
} else {
displayTasks(getJob(JobID.forName(jobid)), taskType, taskState);
exitCode = 0;
}
} else if(killTask) {
TaskAttemptID taskID = TaskAttemptID.forName(taskid);
Job job = getJob(taskID.getJobID());
@ -444,15 +454,18 @@ public int run(String[] argv) throws Exception {
exitCode = -1;
}
} else if (logs) {
try {
JobID jobID = JobID.forName(jobid);
if (getJob(jobID) == null) {
System.out.println("Could not find job " + jobid);
} else {
try {
TaskAttemptID taskAttemptID = TaskAttemptID.forName(taskid);
LogParams logParams = cluster.getLogParams(jobID, taskAttemptID);
LogCLIHelpers logDumper = new LogCLIHelpers();
logDumper.setConf(getConf());
exitCode = logDumper.dumpAContainersLogs(logParams.getApplicationId(),
logParams.getContainerId(), logParams.getNodeId(),
logParams.getOwner());
exitCode = logDumper.dumpAContainersLogs(
logParams.getApplicationId(), logParams.getContainerId(),
logParams.getNodeId(), logParams.getOwner());
} catch (IOException e) {
if (e instanceof RemoteException) {
throw e;
@ -460,6 +473,7 @@ public int run(String[] argv) throws Exception {
System.out.println(e.getMessage());
}
}
}
} catch (RemoteException re) {
IOException unwrappedException = re.unwrapRemoteException();
if (unwrappedException instanceof AccessControlException) {

38
hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/test/java/org/apache/hadoop/mapreduce/tools/TestCLI.java
View File

@ -87,7 +87,7 @@ public void testListAttemptIdsWithInvalidInputs() throws Exception {
JobID jobId = JobID.forName(jobIdStr);
Cluster mockCluster = mock(Cluster.class);
Job job = mock(Job.class);
CLI cli = spy(new CLI());
CLI cli = spy(new CLI(new Configuration()));
doReturn(mockCluster).when(cli).createCluster();
when(mockCluster.getJob(jobId)).thenReturn(job);
@ -101,12 +101,18 @@ public void testListAttemptIdsWithInvalidInputs() throws Exception {
int retCode_invalidTaskState = cli.run(new String[] { "-list-attempt-ids",
jobIdStr, "REDUCE", "complete" });
String jobIdStr2 = "job_1015298225799_0016";
int retCode_invalidJobId = cli.run(new String[] { "-list-attempt-ids",
jobIdStr2, "MAP", "running" });
assertEquals("JOB_SETUP is an invalid input,exit code should be -1", -1,
retCode_JOB_SETUP);
assertEquals("JOB_CLEANUP is an invalid input,exit code should be -1", -1,
retCode_JOB_CLEANUP);
assertEquals("complete is an invalid input,exit code should be -1", -1,
retCode_invalidTaskState);
assertEquals("Non existing job id should be skippted with -1", -1,
retCode_invalidJobId);
}
@ -176,4 +182,34 @@ public void testGetJob() throws Exception {
Assert.assertTrue(end - start < ((i + 1) * sleepTime));
}
}
@Test
public void testListEvents() throws Exception {
Cluster mockCluster = mock(Cluster.class);
CLI cli = spy(new CLI(new Configuration()));
doReturn(mockCluster).when(cli).createCluster();
String jobId1 = "job_1234654654_001";
String jobId2 = "job_1234654656_002";
Job mockJob1 = mockJob(mockCluster, jobId1, State.RUNNING);
// Check exiting with non existing job
int exitCode = cli.run(new String[]{"-events", jobId2, "0", "10"});
assertEquals(-1, exitCode);
}
@Test
public void testLogs() throws Exception {
Cluster mockCluster = mock(Cluster.class);
CLI cli = spy(new CLI(new Configuration()));
doReturn(mockCluster).when(cli).createCluster();
String jobId1 = "job_1234654654_001";
String jobId2 = "job_1234654656_002";
Job mockJob1 = mockJob(mockCluster, jobId1, State.SUCCEEDED);
// Check exiting with non existing job
int exitCode = cli.run(new String[]{"-logs", jobId2});
assertEquals(-1, exitCode);
}
}