See https://builds.apache.org/job/Hadoop-Hdfs-trunk-Java8/546/

###################################################################################
########################## LAST 60 LINES OF THE CONSOLE 
###########################
[...truncated 7180 lines...]
[INFO] Executed tasks
[INFO] 
[INFO] --- maven-source-plugin:2.3:jar-no-fork (hadoop-java-sources) @ 
hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-source-plugin:2.3:test-jar-no-fork (hadoop-java-sources) @ 
hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-enforcer-plugin:1.3.1:enforce (dist-enforce) @ 
hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-site-plugin:3.4:attach-descriptor (attach-descriptor) @ 
hadoop-hdfs-project ---
[INFO] 
[INFO] --- maven-javadoc-plugin:2.8.1:jar (module-javadocs) @ 
hadoop-hdfs-project ---
[INFO] Not executing Javadoc as the project is not a Java classpath-capable 
package
[INFO] 
[INFO] --- maven-enforcer-plugin:1.3.1:enforce (depcheck) @ hadoop-hdfs-project 
---
[INFO] 
[INFO] --- maven-checkstyle-plugin:2.15:checkstyle (default-cli) @ 
hadoop-hdfs-project ---
[INFO] 
[INFO] --- findbugs-maven-plugin:3.0.0:findbugs (default-cli) @ 
hadoop-hdfs-project ---
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:
[INFO] 
[INFO] Apache Hadoop HDFS Client ......................... SUCCESS [03:36 min]
[INFO] Apache Hadoop HDFS ................................ FAILURE [  04:01 h]
[INFO] Apache Hadoop HDFS Native Client .................. SKIPPED
[INFO] Apache Hadoop HttpFS .............................. SKIPPED
[INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED
[INFO] Apache Hadoop HDFS-NFS ............................ SKIPPED
[INFO] Apache Hadoop HDFS Project ........................ SUCCESS [  0.049 s]
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 04:05 h
[INFO] Finished at: 2015-10-28T19:08:17+00:00
[INFO] Final Memory: 55M/425M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal 
org.apache.maven.plugins:maven-surefire-plugin:2.17:test (default-test) on 
project hadoop-hdfs: There are test failures.
[ERROR] 
[ERROR] Please refer to 
/home/jenkins/jenkins-slave/workspace/Hadoop-Hdfs-trunk-Java8/hadoop-hdfs-project/hadoop-hdfs/target/surefire-reports
 for the individual test results.
[ERROR] -> [Help 1]
[ERROR] 
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e 
switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR] 
[ERROR] For more information about the errors and possible solutions, please 
read the following articles:
[ERROR] [Help 1] 
http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
[ERROR] 
[ERROR] After correcting the problems, you can resume the build with the command
[ERROR]   mvn <goals> -rf :hadoop-hdfs
Build step 'Execute shell' marked build as failure
Archiving artifacts
Recording test results
Updating YARN-4251
Updating HADOOP-12385
Updating HADOOP-12040
Updating HDFS-9255
Updating HADOOP-12514
Sending e-mails to: hdfs-dev@hadoop.apache.org
Email was triggered for: Failure - Any
Sending email for trigger: Failure - Any



###################################################################################
############################## FAILED TESTS (if any) 
##############################
20 tests failed.
FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testVersionAndSuiteNegotiation

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at java.net.URLClassLoader$1.run(URLClassLoader.java:372)
        at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
        at java.security.AccessController.doPrivileged(Native Method)
        at java.net.URLClassLoader.findClass(URLClassLoader.java:360)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testGetEZAsNonSuperUser

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testReadWriteUsingWebHdfs

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testDelegationToken

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testEncryptionZonesOnRootPath

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testReadWrite

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testRenameFileSystem

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testListEncryptionZonesAsNonSuperUser

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testSnapshotsOnEncryptionZones

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testConcatFailsInEncryptionZones

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testOfflineImageViewerOnEncryptionZones

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testRenameFileContext

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testFsckOnEncryptionZones

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testBasicOperations

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testCreateEZWithNoProvider

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testStartFileRetry

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testEncryptionZonesOnRelativePath

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.TestEncryptionZones.testEncryptionZonesWithSymlinks

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  org.apache.hadoop.hdfs.TestEncryptionZones.testIsEncryptedMethod

Error Message:
org/apache/hadoop/io/ReadaheadPool

Stack Trace:
java.lang.NoClassDefFoundError: org/apache/hadoop/io/ReadaheadPool
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.startDataNode(DataNode.java:1221)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.<init>(DataNode.java:467)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.makeInstance(DataNode.java:2486)
        at 
org.apache.hadoop.hdfs.server.datanode.DataNode.instantiateDataNode(DataNode.java:2374)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.startDataNodes(MiniDFSCluster.java:1590)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:842)
        at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:480)
        at 
org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:439)
        at 
org.apache.hadoop.hdfs.TestEncryptionZones.setup(TestEncryptionZones.java:147)


FAILED:  
org.apache.hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes.testCircularLinkedListWrites

Error Message:
Some writers didn't complete in expected runtime! Current writer 
state:[Circular Writer:
  directory: /test-0
  target length: 50
  current item: 38
  done: false
] expected:<0> but was:<1>

Stack Trace:
java.lang.AssertionError: Some writers didn't complete in expected runtime! 
Current writer state:[Circular Writer:
         directory: /test-0
         target length: 50
         current item: 38
         done: false
] expected:<0> but was:<1>
        at org.junit.Assert.fail(Assert.java:88)
        at org.junit.Assert.failNotEquals(Assert.java:743)
        at org.junit.Assert.assertEquals(Assert.java:118)
        at org.junit.Assert.assertEquals(Assert.java:555)
        at 
org.apache.hadoop.hdfs.server.namenode.ha.TestSeveralNameNodes.testCircularLinkedListWrites(TestSeveralNameNodes.java:90)


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