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Posted to notifications@logging.apache.org by "yimiluo (Jira)" <ji...@apache.org> on 2022/07/08 12:24:00 UTC
[jira] [Updated] (LOG4J2-3549) The printed thread deadlock
[ https://issues.apache.org/jira/browse/LOG4J2-3549?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
yimiluo updated LOG4J2-3549:
----------------------------
Description:
When we were printing the log, the printed thread was deadlocked, causing the service to go down. The following is the exception information:
!image-2022-07-08-20-20-11-818.png|width=895,height=537!
{code:java}
[arthas@1]$ thread -b
"http-nio-8080-exec-5" Id=97 RUNNABLE (in native)
at java.base@11.0.8-ga/java.io.FileOutputStream.writeBytes(Native Method)
at java.base@11.0.8-ga/java.io.FileOutputStream.write(FileOutputStream.java:354)
at java.base@11.0.8-ga/java.io.BufferedOutputStream.write(BufferedOutputStream.java:123)
- locked java.io.BufferedOutputStream@ea9396a
at java.base@11.0.8-ga/java.io.PrintStream.write(PrintStream.java:559)
- locked java.io.PrintStream@3ff1e46c
at org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
at org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:250)
at org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:283)
- locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
at org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:294)
- locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:199)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:542)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:500)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:483)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
at org.apache.logging.log4j.core.Logger.log(Logger.java:161)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2205)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2142)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2028)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1891)
at org.apache.logging.slf4j.Log4jLogger.info(Log4jLogger.java:194) {code}
I don't know what the solution is now. I would be very grateful if you could reply.
was:
When we were printing the log, the printed thread was deadlocked, causing the service to go down. The following is the exception information:
!image-2022-07-08-20-20-11-818.png|width=647,height=388!
{code:java}
[arthas@1]$ thread -b
"http-nio-8080-exec-5" Id=97 RUNNABLE (in native)
at java.base@11.0.8-ga/java.io.FileOutputStream.writeBytes(Native Method)
at java.base@11.0.8-ga/java.io.FileOutputStream.write(FileOutputStream.java:354)
at java.base@11.0.8-ga/java.io.BufferedOutputStream.write(BufferedOutputStream.java:123)
- locked java.io.BufferedOutputStream@ea9396a
at java.base@11.0.8-ga/java.io.PrintStream.write(PrintStream.java:559)
- locked java.io.PrintStream@3ff1e46c
at org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
at org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:250)
at org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:283)
- locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
at org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:294)
- locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:199)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190)
at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181)
at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:542)
at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:500)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:483)
at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
at org.apache.logging.log4j.core.Logger.log(Logger.java:161)
at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2205)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159)
at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2142)
at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2028)
at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1891)
at org.apache.logging.slf4j.Log4jLogger.info(Log4jLogger.java:194) {code}
I don't know what the solution is now. I would be very grateful if you could reply.
> The printed thread deadlock
> ---------------------------
>
> Key: LOG4J2-3549
> URL: https://issues.apache.org/jira/browse/LOG4J2-3549
> Project: Log4j 2
> Issue Type: Bug
> Components: Log4j 1.2 bridge
> Affects Versions: 2.17.2
> Reporter: yimiluo
> Priority: Minor
> Attachments: image-2022-07-08-20-20-11-818.png
>
>
> When we were printing the log, the printed thread was deadlocked, causing the service to go down. The following is the exception information:
> !image-2022-07-08-20-20-11-818.png|width=895,height=537!
> {code:java}
> [arthas@1]$ thread -b
> "http-nio-8080-exec-5" Id=97 RUNNABLE (in native)
> at java.base@11.0.8-ga/java.io.FileOutputStream.writeBytes(Native Method)
> at java.base@11.0.8-ga/java.io.FileOutputStream.write(FileOutputStream.java:354)
> at java.base@11.0.8-ga/java.io.BufferedOutputStream.write(BufferedOutputStream.java:123)
> - locked java.io.BufferedOutputStream@ea9396a
> at java.base@11.0.8-ga/java.io.PrintStream.write(PrintStream.java:559)
> - locked java.io.PrintStream@3ff1e46c
> at org.apache.logging.log4j.core.util.CloseShieldOutputStream.write(CloseShieldOutputStream.java:53)
> at org.apache.logging.log4j.core.appender.OutputStreamManager.writeToDestination(OutputStreamManager.java:250)
> at org.apache.logging.log4j.core.appender.OutputStreamManager.flushBuffer(OutputStreamManager.java:283)
> - locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
> at org.apache.logging.log4j.core.appender.OutputStreamManager.flush(OutputStreamManager.java:294)
> - locked org.apache.logging.log4j.core.appender.OutputStreamManager@7ba4158c <---- but blocks 236 other threads!
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.directEncodeEvent(AbstractOutputStreamAppender.java:199)
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.tryAppend(AbstractOutputStreamAppender.java:190)
> at org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender.append(AbstractOutputStreamAppender.java:181)
> at org.apache.logging.log4j.core.config.AppenderControl.tryCallAppender(AppenderControl.java:161)
> at org.apache.logging.log4j.core.config.AppenderControl.callAppender0(AppenderControl.java:134)
> at org.apache.logging.log4j.core.config.AppenderControl.callAppenderPreventRecursion(AppenderControl.java:125)
> at org.apache.logging.log4j.core.config.AppenderControl.callAppender(AppenderControl.java:89)
> at org.apache.logging.log4j.core.config.LoggerConfig.callAppenders(LoggerConfig.java:542)
> at org.apache.logging.log4j.core.config.LoggerConfig.processLogEvent(LoggerConfig.java:500)
> at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:483)
> at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:417)
> at org.apache.logging.log4j.core.config.AwaitCompletionReliabilityStrategy.log(AwaitCompletionReliabilityStrategy.java:82)
> at org.apache.logging.log4j.core.Logger.log(Logger.java:161)
> at org.apache.logging.log4j.spi.AbstractLogger.tryLogMessage(AbstractLogger.java:2205)
> at org.apache.logging.log4j.spi.AbstractLogger.logMessageTrackRecursion(AbstractLogger.java:2159)
> at org.apache.logging.log4j.spi.AbstractLogger.logMessageSafely(AbstractLogger.java:2142)
> at org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:2028)
> at org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1891)
> at org.apache.logging.slf4j.Log4jLogger.info(Log4jLogger.java:194) {code}
>
> I don't know what the solution is now. I would be very grateful if you could reply.
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