https://github.com/apache/kyuubi/actions/runs/25998287849/job/76448927293?pr=7455
2026-05-18T02:32:32.285111486Z ScalaTest-main-running-EventBusSuite ERROR An exception occurred processing Appender file
java.lang.NullPointerException: Cannot read field "stackLength" because "metadata" is null
at org.apache.logging.log4j.core.pattern.ThrowableStackTraceRenderer.renderStackTraceElements(ThrowableStackTraceRenderer.java:153)
at org.apache.logging.log4j.core.pattern.ThrowableStackTraceRenderer.renderThrowable(ThrowableStackTraceRenderer.java:100)
at org.apache.logging.log4j.core.pattern.ThrowableStackTraceRenderer.renderThrowable(ThrowableStackTraceRenderer.java:77)
at org.apache.logging.log4j.core.pattern.ThrowableStackTraceRenderer.renderThrowable(ThrowableStackTraceRenderer.java:56)
at org.apache.logging.log4j.core.pattern.ThrowablePatternConverter.format(ThrowablePatternConverter.java:130)
at org.apache.logging.log4j.core.layout.PatternLayout$NoFormatPatternSerializer.toSerializable(PatternLayout.java:354)
at org.apache.logging.log4j.core.layout.PatternLayout.toText(PatternLayout.java:251)
at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:237)
at org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:57)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:227)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:220)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:211)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:160)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:133)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:124)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:88)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:711)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:669)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:645)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:589)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:92)
at org.apache.logging.log4j.core.Logger.log(Logger.java:187)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2970)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2922)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2904)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2648)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:2587)
at org.apache.logging.slf4j.Log4jLogger.error(Log4jLogger.java:313)
at org.apache.kyuubi.Logging.error(Logging.scala:88)
at org.apache.kyuubi.Logging.error$(Logging.scala:86)
at org.apache.kyuubi.events.EventBus$.error(EventBus.scala:47)
at org.apache.kyuubi.events.EventBus$EventBusLive$$anonfun$$nestedInanonfun$post$3$1.applyOrElse(EventBus.scala:91)
at org.apache.kyuubi.events.EventBus$EventBusLive$$anonfun$$nestedInanonfun$post$3$1.applyOrElse(EventBus.scala:89)
at scala.util.Failure.recover(Try.scala:242)
at org.apache.kyuubi.events.EventBus$EventBusLive.$anonfun$post$3(EventBus.scala:89)
at scala.collection.immutable.List.foreach(List.scala:323)
at org.apache.kyuubi.events.EventBus$EventBusLive.post(EventBus.scala:88)
at org.apache.kyuubi.events.EventBus$.post(EventBus.scala:65)
at org.apache.kyuubi.events.EventBusSuite.$anonfun$new$13(EventBusSuite.scala:138)
at org.scalatest.OutcomeOf.outcomeOf(OutcomeOf.scala:85)
at org.scalatest.OutcomeOf.outcomeOf$(OutcomeOf.scala:83)
at org.scalatest.OutcomeOf$.outcomeOf(OutcomeOf.scala:104)
at org.scalatest.Transformer.apply(Transformer.scala:22)
at org.scalatest.Transformer.apply(Transformer.scala:20)
at org.scalatest.funsuite.AnyFunSuiteLike$$anon$1.apply(AnyFunSuiteLike.scala:226)
at org.apache.kyuubi.KyuubiFunSuite.withFixture(KyuubiFunSuite.scala:65)
at org.apache.kyuubi.KyuubiFunSuite.withFixture$(KyuubiFunSuite.scala:59)
at org.apache.kyuubi.events.EventBusSuite.withFixture(EventBusSuite.scala:26)
at org.scalatest.funsuite.AnyFunSuiteLike.invokeWithFixture$1(AnyFunSuiteLike.scala:224)
at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$runTest$1(AnyFunSuiteLike.scala:236)
at org.scalatest.SuperEngine.runTestImpl(Engine.scala:306)
at org.scalatest.funsuite.AnyFunSuiteLike.runTest(AnyFunSuiteLike.scala:236)
at org.scalatest.funsuite.AnyFunSuiteLike.runTest$(AnyFunSuiteLike.scala:218)
at org.apache.kyuubi.events.EventBusSuite.org$scalatest$BeforeAndAfterEach$$super$runTest(EventBusSuite.scala:26)
at org.scalatest.BeforeAndAfterEach.runTest(BeforeAndAfterEach.scala:234)
at org.scalatest.BeforeAndAfterEach.runTest$(BeforeAndAfterEach.scala:227)
at org.apache.kyuubi.events.EventBusSuite.runTest(EventBusSuite.scala:26)
at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$runTests$1(AnyFunSuiteLike.scala:269)
at org.scalatest.SuperEngine.$anonfun$runTestsInBranch$1(Engine.scala:413)
at scala.collection.immutable.List.foreach(List.scala:323)
at org.scalatest.SuperEngine.traverseSubNodes$1(Engine.scala:401)
at org.scalatest.SuperEngine.runTestsInBranch(Engine.scala:396)
at org.scalatest.SuperEngine.runTestsImpl(Engine.scala:475)
at org.scalatest.funsuite.AnyFunSuiteLike.runTests(AnyFunSuiteLike.scala:269)
at org.scalatest.funsuite.AnyFunSuiteLike.runTests$(AnyFunSuiteLike.scala:268)
at org.scalatest.funsuite.AnyFunSuite.runTests(AnyFunSuite.scala:1564)
at org.scalatest.Suite.run(Suite.scala:1114)
at org.scalatest.Suite.run$(Suite.scala:1096)
at org.scalatest.funsuite.AnyFunSuite.org$scalatest$funsuite$AnyFunSuiteLike$$super$run(AnyFunSuite.scala:1564)
at org.scalatest.funsuite.AnyFunSuiteLike.$anonfun$run$1(AnyFunSuiteLike.scala:273)
at org.scalatest.SuperEngine.runImpl(Engine.scala:535)
at org.scalatest.funsuite.AnyFunSuiteLike.run(AnyFunSuiteLike.scala:273)
at org.scalatest.funsuite.AnyFunSuiteLike.run$(AnyFunSuiteLike.scala:272)
at org.apache.kyuubi.events.EventBusSuite.org$scalatest$BeforeAndAfterAll$$super$run(EventBusSuite.scala:26)
at org.scalatest.BeforeAndAfterAll.liftedTree1$1(BeforeAndAfterAll.scala:213)
at org.scalatest.BeforeAndAfterAll.run(BeforeAndAfterAll.scala:210)
at org.scalatest.BeforeAndAfterAll.run$(BeforeAndAfterAll.scala:208)
at org.apache.kyuubi.events.EventBusSuite.run(EventBusSuite.scala:26)
at org.scalatest.Suite.callExecuteOnSuite$1(Suite.scala:1178)
at org.scalatest.Suite.$anonfun$runNestedSuites$1(Suite.scala:1225)
at scala.collection.ArrayOps$.foreach$extension(ArrayOps.scala:1324)
at org.scalatest.Suite.runNestedSuites(Suite.scala:1223)
at org.scalatest.Suite.runNestedSuites$(Suite.scala:1156)
at org.scalatest.tools.DiscoverySuite.runNestedSuites(DiscoverySuite.scala:30)
at org.scalatest.Suite.run(Suite.scala:1111)
at org.scalatest.Suite.run$(Suite.scala:1096)
at org.scalatest.tools.DiscoverySuite.run(DiscoverySuite.scala:30)
at org.scalatest.tools.SuiteRunner.run(SuiteRunner.scala:47)
at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$13(Runner.scala:1321)
at org.scalatest.tools.Runner$.$anonfun$doRunRunRunDaDoRunRun$13$adapted(Runner.scala:1315)
at scala.collection.immutable.List.foreach(List.scala:323)
at org.scalatest.tools.Runner$.doRunRunRunDaDoRunRun(Runner.scala:1315)
at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24(Runner.scala:992)
at org.scalatest.tools.Runner$.$anonfun$runOptionallyWithPassFailReporter$24$adapted(Runner.scala:970)
at org.scalatest.tools.Runner$.withClassLoaderAndDispatchReporter(Runner.scala:1481)
at org.scalatest.tools.Runner$.runOptionallyWithPassFailReporter(Runner.scala:970)
at org.scalatest.tools.Runner$.main(Runner.scala:775)
at org.scalatest.tools.Runner.main(Runner.scala)
apache/logging-log4j2#3929
https://github.com/apache/kyuubi/actions/runs/25998287849/job/76448927293?pr=7455
apache/logging-log4j2#3929