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https://issues.apache.org/jira/browse/HUDI-4810?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Alexey Kudinkin updated HUDI-4810:
----------------------------------
Sprint: 2022/09/05
> Fix Hudi bundles requiring log4j2 on the classpath
> --------------------------------------------------
>
> Key: HUDI-4810
> URL: https://issues.apache.org/jira/browse/HUDI-4810
> Project: Apache Hudi
> Issue Type: Bug
> Reporter: Alexey Kudinkin
> Assignee: Alexey Kudinkin
> Priority: Blocker
> Fix For: 0.12.1
>
>
> As part of addressing HUDI-4441, we've erroneously rebased Hudi onto
> "log4j-1.2-api" module under impression that it's an API module (as
> advertised) which turned out not to be the case: it's actual bridge
> implementation, requiring Log4j2 be provided on the classpath as required
> dependency.
> For version of Spark < 3.3 this triggers exceptions like the following one
> (reported by [~akmodi])
>
> {code:java}
> Exception in thread "main" java.lang.NoClassDefFoundError:
> org/apache/logging/log4j/LogManager at
> org.apache.hudi.metrics.datadog.DatadogReporter.<clinit>(DatadogReporter.java:55)
> at
> org.apache.hudi.metrics.datadog.DatadogMetricsReporter.<init>(DatadogMetricsReporter.java:62)
> at
> org.apache.hudi.metrics.MetricsReporterFactory.createReporter(MetricsReporterFactory.java:70)
> at org.apache.hudi.metrics.Metrics.<init>(Metrics.java:50) at
> org.apache.hudi.metrics.Metrics.init(Metrics.java:96) at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamerMetrics.<init>(HoodieDeltaStreamerMetrics.java:44)
> at
> org.apache.hudi.utilities.deltastreamer.DeltaSync.<init>(DeltaSync.java:243)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer$DeltaSyncService.<init>(HoodieDeltaStreamer.java:663)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.<init>(HoodieDeltaStreamer.java:143)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.<init>(HoodieDeltaStreamer.java:116)
> at
> org.apache.hudi.utilities.deltastreamer.HoodieDeltaStreamer.main(HoodieDeltaStreamer.java:562)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498) at
> org.apache.spark.deploy.JavaMainApplication.start(SparkApplication.scala:52)
> at
> org.apache.spark.deploy.SparkSubmit.org$apache$spark$deploy$SparkSubmit$$runMain(SparkSubmit.scala:1000)
> at org.apache.spark.deploy.SparkSubmit.doRunMain$1(SparkSubmit.scala:180)
> at org.apache.spark.deploy.SparkSubmit.submit(SparkSubmit.scala:203) at
> org.apache.spark.deploy.SparkSubmit.doSubmit(SparkSubmit.scala:90) at
> org.apache.spark.deploy.SparkSubmit$$anon$2.doSubmit(SparkSubmit.scala:1089)
> at org.apache.spark.deploy.SparkSubmit$.main(SparkSubmit.scala:1098) at
> org.apache.spark.deploy.SparkSubmit.main(SparkSubmit.scala)Caused by:
> java.lang.ClassNotFoundException: org.apache.logging.log4j.LogManager at
> java.net.URLClassLoader.findClass(URLClassLoader.java:387) at
> java.lang.ClassLoader.loadClass(ClassLoader.java:418) at
> java.lang.ClassLoader.loadClass(ClassLoader.java:351) ... 23 more {code}
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