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https://issues.apache.org/jira/browse/HBASE-29770?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18056555#comment-18056555
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Duo Zhang commented on HBASE-29770:
-----------------------------------
I believe this breaks hadoop 3.3.x compatibility...
Seems we still need commons-logging in hadoop...
{noformat}
[ERROR] org.apache.hadoop.hbase.security.access.TestUnloadAccessController --
Time elapsed: 0.266 s <<< ERROR!
java.lang.NoClassDefFoundError: org/apache/commons/logging/impl/Log4JLogger
at
org.apache.hadoop.hdfs.server.common.MetricsLoggerTask.makeMetricsLoggerAsync(MetricsLoggerTask.java:154)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.startMetricsLogger(NameNode.java:846)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:799)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:1027)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:1002)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1776)
at
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNode(MiniDFSCluster.java:1390)
at
org.apache.hadoop.hdfs.MiniDFSCluster.configureNameService(MiniDFSCluster.java:1159)
at
org.apache.hadoop.hdfs.MiniDFSCluster.createNameNodesAndSetConf(MiniDFSCluster.java:1032)
at
org.apache.hadoop.hdfs.MiniDFSCluster.initMiniDFSCluster(MiniDFSCluster.java:964)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:878)
at
org.apache.hadoop.hbase.HBaseTestingUtil.startMiniDFSCluster(HBaseTestingUtil.java:655)
at
org.apache.hadoop.hbase.HBaseTestingUtil.startMiniDFSCluster(HBaseTestingUtil.java:581)
at
org.apache.hadoop.hbase.HBaseTestingUtil.startMiniCluster(HBaseTestingUtil.java:857)
at
org.apache.hadoop.hbase.HBaseTestingUtil.startMiniCluster(HBaseTestingUtil.java:832)
at
org.apache.hadoop.hbase.security.access.TestUnloadAccessController.setupBeforeClass(TestUnloadAccessController.java:52)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.ClassNotFoundException:
org.apache.commons.logging.impl.Log4JLogger
... 19 more
{noformat}
> Exclude commons-logging from HBase
> ----------------------------------
>
> Key: HBASE-29770
> URL: https://issues.apache.org/jira/browse/HBASE-29770
> Project: HBase
> Issue Type: Improvement
> Components: logging
> Reporter: Istvan Toth
> Assignee: Istvan Toth
> Priority: Major
> Labels: pull-request-available
>
> We're already adding jcl-over-slf4j, which implements commons-logging and
> redirects it to SLF4j then to Log4j2.
> Having both jcl-over-slf4j and commons-logging on the classpath leads to
> classpath ordering dependent behavior.
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