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https://issues.apache.org/jira/browse/HDFS-15762?focusedWorklogId=534233&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-534233
]
ASF GitHub Bot logged work on HDFS-15762:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 11/Jan/21 13:31
Start Date: 11/Jan/21 13:31
Worklog Time Spent: 10m
Work Description: amahussein commented on a change in pull request #2598:
URL: https://github.com/apache/hadoop/pull/2598#discussion_r555047228
##########
File path:
hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestMultipleNNPortQOP.java
##########
@@ -251,62 +252,48 @@ public void testMultipleNNPortOverwriteDownStream()
throws Exception {
clientConf.set(HADOOP_RPC_PROTECTION, "privacy");
FileSystem fsPrivacy = FileSystem.get(uriPrivacyPort, clientConf);
doTest(fsPrivacy, PATH1);
- for (int i = 0; i < 2; i++) {
- DataNode dn = dataNodes.get(i);
- SaslDataTransferClient saslClient = dn.getSaslClient();
- String qop = null;
- // It may take some time for the qop to populate
- // to all DNs, check in a loop.
- for (int trial = 0; trial < 10; trial++) {
- qop = saslClient.getTargetQOP();
- if (qop != null) {
- break;
- }
- Thread.sleep(100);
- }
- assertEquals("auth", qop);
- }
+ long count = dataNodes.stream()
+ .map(dn -> dn.getSaslClient().getTargetQOP())
+ .filter(Objects::nonNull).filter(qop -> qop.equals("auth")).count();
+ // For each data pipeline, targetQOPs of sasl clients in the first two
+ // datanodes become equal to auth.
+ // Note that it is not necessarily the case for all datanodes,
+ // since a datanode may be always at the last position in pipelines.
+ assertTrue("At least two qops should be auth", count >= 2);
Review comment:
The problem we face usually is having a slow VM that causes those test
cases fail.
I am fine with keeping the code the way you did as you verified that it is
not needed.
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Issue Time Tracking
-------------------
Worklog Id: (was: 534233)
Time Spent: 2.5h (was: 2h 20m)
> TestMultipleNNPortQOP#testMultipleNNPortOverwriteDownStream fails
> intermittently
> --------------------------------------------------------------------------------
>
> Key: HDFS-15762
> URL: https://issues.apache.org/jira/browse/HDFS-15762
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Reporter: Toshihiko Uchida
> Assignee: Toshihiko Uchida
> Priority: Minor
> Labels: flaky-test, pull-request-available
> Attachments: PR2585#1-TestMultipleNNPortQOP-output.txt
>
> Time Spent: 2.5h
> Remaining Estimate: 0h
>
> This unit test failed in https://github.com/apache/hadoop/pull/2585 due to an
> AssertionError.
> {code}
> java.lang.AssertionError: expected:<auth> but was:<null>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:834)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:144)
> at
> org.apache.hadoop.hdfs.TestMultipleNNPortQOP.testMultipleNNPortOverwriteDownStream(TestMultipleNNPortQOP.java:267)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
> at
> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at
> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
> at
> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
> at
> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
> at
> org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at
> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
> at
> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
> at
> org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
> at
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
> at
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
> at
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
> {code}
> The failure occurred at the following assertion.
> {code}
> doTest(fsPrivacy, PATH1);
> for (int i = 0; i < 2; i++) {
> DataNode dn = dataNodes.get(i);
> SaslDataTransferClient saslClient = dn.getSaslClient();
> String qop = null;
> // It may take some time for the qop to populate
> // to all DNs, check in a loop.
> for (int trial = 0; trial < 10; trial++) {
> qop = saslClient.getTargetQOP();
> if (qop != null) {
> break;
> }
> Thread.sleep(100);
> }
> assertEquals("auth", qop);
> }
> {code}
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