[ 
https://issues.apache.org/jira/browse/HDFS-17759?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17936755#comment-17936755
 ] 

ASF GitHub Bot commented on HDFS-17759:
---------------------------------------

hadoop-yetus commented on PR #7508:
URL: https://github.com/apache/hadoop/pull/7508#issuecomment-2735923718

   :broken_heart: **-1 overall**
   
   
   
   
   
   
   | Vote | Subsystem | Runtime |  Logfile | Comment |
   |:----:|----------:|--------:|:--------:|:-------:|
   | +0 :ok: |  reexec  |   0m 20s |  |  Docker mode activated.  |
   |||| _ Prechecks _ |
   | +1 :green_heart: |  dupname  |   0m  0s |  |  No case conflicting files 
found.  |
   | +0 :ok: |  codespell  |   0m  0s |  |  codespell was not available.  |
   | +0 :ok: |  detsecrets  |   0m  0s |  |  detect-secrets was not available.  
|
   | +0 :ok: |  xmllint  |   0m  0s |  |  xmllint was not available.  |
   | +1 :green_heart: |  @author  |   0m  0s |  |  The patch does not contain 
any @author tags.  |
   | -1 :x: |  test4tests  |   0m  0s |  |  The patch doesn't appear to include 
any new or modified tests. Please justify why no new tests are needed for this 
patch. Also please list what manual steps were performed to verify this patch.  
|
   |||| _ trunk Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |  22m 47s |  |  trunk passed  |
   | +1 :green_heart: |  compile  |   0m 41s |  |  trunk passed with JDK 
Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  compile  |   0m 42s |  |  trunk passed with JDK 
Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | +1 :green_heart: |  mvnsite  |   0m 44s |  |  trunk passed  |
   | +1 :green_heart: |  javadoc  |   0m 42s |  |  trunk passed with JDK 
Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javadoc  |   1m  8s |  |  trunk passed with JDK 
Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | +1 :green_heart: |  shadedclient  |  46m 20s |  |  branch has no errors 
when building and testing our client artifacts.  |
   |||| _ Patch Compile Tests _ |
   | +1 :green_heart: |  mvninstall  |   0m 36s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 36s |  |  the patch passed with JDK 
Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javac  |   0m 36s |  |  the patch passed  |
   | +1 :green_heart: |  compile  |   0m 35s |  |  the patch passed with JDK 
Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | +1 :green_heart: |  javac  |   0m 35s |  |  the patch passed  |
   | +1 :green_heart: |  blanks  |   0m  0s |  |  The patch has no blanks 
issues.  |
   | +1 :green_heart: |  mvnsite  |   0m 40s |  |  the patch passed  |
   | +1 :green_heart: |  javadoc  |   0m 33s |  |  the patch passed with JDK 
Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04  |
   | +1 :green_heart: |  javadoc  |   1m  2s |  |  the patch passed with JDK 
Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06  |
   | +1 :green_heart: |  shadedclient  |  22m  6s |  |  patch has no errors 
when building and testing our client artifacts.  |
   |||| _ Other Tests _ |
   | +1 :green_heart: |  unit  |   1m  1s |  |  hadoop-hdfs in the patch 
passed.  |
   | +1 :green_heart: |  asflicense  |   0m 25s |  |  The patch does not 
generate ASF License warnings.  |
   |  |   |  73m 49s |  |  |
   
   
   | Subsystem | Report/Notes |
   |----------:|:-------------|
   | Docker | ClientAPI=1.48 ServerAPI=1.48 base: 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7508/2/artifact/out/Dockerfile
 |
   | GITHUB PR | https://github.com/apache/hadoop/pull/7508 |
   | Optional Tests | dupname asflicense compile javac javadoc mvninstall 
mvnsite unit shadedclient codespell detsecrets xmllint |
   | uname | Linux d0c7886cd69b 5.15.0-130-generic #140-Ubuntu SMP Wed Dec 18 
17:59:53 UTC 2024 x86_64 x86_64 x86_64 GNU/Linux |
   | Build tool | maven |
   | Personality | dev-support/bin/hadoop.sh |
   | git revision | trunk / 76a65ddfaf0dd638ff7933913c15ef3630151695 |
   | Default Java | Private Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06 |
   | Multi-JDK versions | 
/usr/lib/jvm/java-11-openjdk-amd64:Ubuntu-11.0.26+4-post-Ubuntu-1ubuntu120.04 
/usr/lib/jvm/java-8-openjdk-amd64:Private 
Build-1.8.0_442-8u442-b06~us1-0ubuntu1~20.04-b06 |
   |  Test Results | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7508/2/testReport/ |
   | Max. process+thread count | 546 (vs. ulimit of 5500) |
   | modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
   | Console output | 
https://ci-hadoop.apache.org/job/hadoop-multibranch/job/PR-7508/2/console |
   | versions | git=2.25.1 maven=3.6.3 |
   | Powered by | Apache Yetus 0.14.0 https://yetus.apache.org |
   
   
   This message was automatically generated.
   
   




> Explicitly depend on jackson-core in hadoop-hdfs
> ------------------------------------------------
>
>                 Key: HDFS-17759
>                 URL: https://issues.apache.org/jira/browse/HDFS-17759
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 3.4.1, 3.5.0
>            Reporter: Istvan Toth
>            Assignee: Istvan Toth
>            Priority: Critical
>              Labels: pull-request-available
>         Attachments: deptree.current, deptree.patched
>
>
> HDFS does not depend on jackson-core, even though it directly uses it.
> Apart from being a bad practice, this breaks consumers of Hadoop.
> Hadoop builds are not affected, because and old incompatible jackson-core is 
> brought in via hadoop-common via Avro, which is then dependencyManaged to the 
> correct version.
> Howerver, this dependencyManagement does not apply to consumers of Hadoop, 
> which get the original old incompatible jackson-core.
> Unless those projects happen to already correctly manage the jackson 
> versions, they will fail with something like this:
> {noformat}
> java.lang.NoClassDefFoundError: com/fasterxml/jackson/core/util/JacksonFeature
> 3456  at 
> com.fasterxml.jackson.databind.ObjectMapper.<init>(ObjectMapper.java:656)
> 3457  at 
> com.fasterxml.jackson.databind.ObjectMapper.<init>(ObjectMapper.java:558)
> 3458  at 
> org.apache.hadoop.hdfs.server.blockmanagement.SlowPeerTracker.<clinit>(SlowPeerTracker.java:78)
> 3459  at 
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.initSlowPeerTracker(DatanodeManager.java:373)
> 3460  at 
> org.apache.hadoop.hdfs.server.blockmanagement.DatanodeManager.<init>(DatanodeManager.java:263)
> 3461  at 
> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.<init>(BlockManager.java:502)
> 3462  at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:926)
> 3463  at 
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:851)
> 3464  at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:1396)
> 3465  at 
> org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:495)
> 3466  at 
> org.apache.hadoop.hdfs.DFSTestUtil.formatNameNode(DFSTestUtil.java:256)
> 3467  at 
> org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1158)
> 3468  at 
> org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:1042)
> 3469  at 
> org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:974)
> 3470  at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:888)
> 3471  at 
> org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster(HBaseTestingUtility.java:689)
> 3472  at 
> org.apache.hadoop.hbase.HBaseTestingUtility.startMiniDFSCluster(HBaseTestingUtility.java:669)
> 3473  at 
> org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:1141)
> 3474  at 
> org.apache.hadoop.hbase.HBaseTestingUtility.startMiniCluster(HBaseTestingUtility.java:1106)
> 3475  at 
> org.apache.omid.timestamp.storage.TestHBaseTimestampStorage.setUpClass(TestHBaseTimestampStorage.java:65)
> 3476  at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 3477  at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> 3478  at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 3479  at java.lang.reflect.Method.invoke(Method.java:498)
> 3480  at 
> org.testng.internal.invokers.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:136)
> 3481  at 
> org.testng.internal.invokers.MethodInvocationHelper.invokeMethodConsideringTimeout(MethodInvocationHelper.java:65)
> 3482  at 
> org.testng.internal.invokers.ConfigInvoker.invokeConfigurationMethod(ConfigInvoker.java:381)
> 3483  at 
> org.testng.internal.invokers.ConfigInvoker.invokeConfigurations(ConfigInvoker.java:319)
> 3484  at 
> org.testng.internal.invokers.TestMethodWorker.invokeBeforeClassMethods(TestMethodWorker.java:178)
> 3485  at 
> org.testng.internal.invokers.TestMethodWorker.run(TestMethodWorker.java:122)
> 3486  at java.util.ArrayList.forEach(ArrayList.java:1259)
> 3487  at org.testng.TestRunner.privateRun(TestRunner.java:808)
> 3488  at org.testng.TestRunner.run(TestRunner.java:603)
> 3489  at org.testng.SuiteRunner.runTest(SuiteRunner.java:429)
> 3490  at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:423)
> 3491  at org.testng.SuiteRunner.privateRun(SuiteRunner.java:383)
> 3492  at org.testng.SuiteRunner.run(SuiteRunner.java:326)
> 3493  at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
> 3494  at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:95)
> 3495  at org.testng.TestNG.runSuitesSequentially(TestNG.java:1249)
> 3496  at org.testng.TestNG.runSuitesLocally(TestNG.java:1169)
> 3497  at org.testng.TestNG.runSuites(TestNG.java:1092)
> 3498  at org.testng.TestNG.run(TestNG.java:1060)
> 3499  at 
> org.apache.maven.surefire.testng.TestNGExecutor.run(TestNGExecutor.java:155)
> 3500  at 
> org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.executeSingleClass(TestNGDirectoryTestSuite.java:102)
> 3501  at 
> org.apache.maven.surefire.testng.TestNGDirectoryTestSuite.execute(TestNGDirectoryTestSuite.java:91)
> 3502  at 
> org.apache.maven.surefire.testng.TestNGProvider.invoke(TestNGProvider.java:137)
> 3503  at 
> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385)
> 3504  at 
> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162)
> 3505  at 
> org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507)
> 3506  at 
> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495)
> 3507Caused by: java.lang.ClassNotFoundException: 
> com.fasterxml.jackson.core.util.JacksonFeature
> 3508  at java.net.URLClassLoader.findClass(URLClassLoader.java:387)
> 3509  at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
> 3510  at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
> 3511  at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
> 3512  ... 51 more{noformat}
> For reference, I'm attaching the dependency tree output from a project trying 
> to use HDFS Minicluster with and without the patch.



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