panbingkun commented on PR #45326:
URL: https://github.com/apache/spark/pull/45326#issuecomment-2146913844
```
"pool-31-thread-1" #62 prio=5 os_prio=31 cpu=1.84ms elapsed=681.43s
tid=0x000000013c5dac00 nid=0xe303 waiting for monitor entry
[0x000000030cbb5000]
java.lang.Thread.State: BLOCKED (on object monitor)
at
org.apache.logging.log4j.core.appender.OutputStreamManager.writeBytes(OutputStreamManager.java:366)
- waiting to lock <0x00000007c1a31050> (a
org.apache.logging.log4j.core.appender.OutputStreamManager)
at
org.apache.logging.log4j.core.layout.TextEncoderHelper.writeEncodedText(TextEncoderHelper.java:101)
at
org.apache.logging.log4j.core.layout.TextEncoderHelper.encodeText(TextEncoderHelper.java:66)
at
org.apache.logging.log4j.core.layout.StringBuilderEncoder.encode(StringBuilderEncoder.java:67)
at
org.apache.logging.log4j.core.layout.StringBuilderEncoder.encode(StringBuilderEncoder.java:31)
at
org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:240)
at
org.apache.logging.log4j.core.layout.PatternLayout.encode(PatternLayout.java:58)
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:705)
at
org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:663)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:639)
at
org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:575)
at
org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:92)
at org.apache.logging.log4j.core.Logger.log(Logger.java:169)
at
org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2906)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2859)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2841)
at
org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2625)
at
org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:2373)
at org.apache.logging.slf4j.Log4jLogger.info(Log4jLogger.java:173)
at org.apache.spark.internal.Logging.logInfo(Logging.scala:177)
at org.apache.spark.internal.Logging.logInfo$(Logging.scala:176)
at
org.apache.spark.sql.connect.service.SparkConnectExecutionManager.logInfo(SparkConnectExecutionManager.scala:45)
at
org.apache.spark.sql.connect.service.SparkConnectExecutionManager.periodicMaintenance(SparkConnectExecutionManager.scala:224)
at
org.apache.spark.sql.connect.service.SparkConnectExecutionManager.$anonfun$schedulePeriodicChecks$2(SparkConnectExecutionManager.scala:211)
at
org.apache.spark.sql.connect.service.SparkConnectExecutionManager$$Lambda$1105/0x000000700182c4d8.run(Unknown
Source)
at
java.util.concurrent.Executors$RunnableAdapter.call([email protected]/Executors.java:539)
at
java.util.concurrent.FutureTask.runAndReset([email protected]/FutureTask.java:305)
at
java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run([email protected]/ScheduledThreadPoolExecutor.java:305)
at
java.util.concurrent.ThreadPoolExecutor.runWorker([email protected]/ThreadPoolExecutor.java:1136)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run([email protected]/ThreadPoolExecutor.java:635)
at java.lang.Thread.run([email protected]/Thread.java:840)
```
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