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Posted to issues@hbase.apache.org by "Duo Zhang (Jira)" <ji...@apache.org> on 2026/03/07 05:20:00 UTC

[jira] [Created] (HBASE-29977) TestFSUtils fails with class not found

Duo Zhang created HBASE-29977:
---------------------------------

             Summary: TestFSUtils fails with class not found
                 Key: HBASE-29977
                 URL: https://issues.apache.org/jira/browse/HBASE-29977
             Project: HBase
          Issue Type: Bug
            Reporter: Duo Zhang


{noformat}
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:588)
	at org.apache.hadoop.hdfs.MiniDFSCluster$Builder.build(MiniDFSCluster.java:530)
	at org.apache.hadoop.hbase.util.TestFSUtils.testDFSHedgedReadMetrics(TestFSUtils.java:528)
	at java.base/java.lang.reflect.Method.invoke(Method.java:568)
	at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
	at java.base/java.lang.Thread.run(Thread.java:840)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.logging.impl.Log4JLogger
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:525)
	... 16 more
{noformat}

We have dealed with this before, where we disable metrcis logger in HBTU, but we use a different way to start mini dfs cluster in TestFSUtils so it still fails... 



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