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Posted to notifications@logging.apache.org by "John Calcote (Jira)" <ji...@apache.org> on 2020/05/29 16:26:00 UTC
[jira] [Updated] (LOG4J2-2860) RollingFileManager has a deadlock
issue in log4j2 2.5 and earlier
[ https://issues.apache.org/jira/browse/LOG4J2-2860?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
John Calcote updated LOG4J2-2860:
---------------------------------
Description:
We find ourselves in a situation where all threads waiting for a lock in RollingFileManager, and no thread seems to own it:
{noformat}
$ grep 0x000000008015e528 dme.jstack.10122
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager) {noformat}
was:
We find ourselves in a situation where all threads are locked up waiting for a lock in RollingFileManager:
{noformat}
$ grep 0x000000008015e528 dme.jstack.10122
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
- waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager) {noformat}
> RollingFileManager has a deadlock issue in log4j2 2.5 and earlier
> -----------------------------------------------------------------
>
> Key: LOG4J2-2860
> URL: https://issues.apache.org/jira/browse/LOG4J2-2860
> Project: Log4j 2
> Issue Type: Bug
> Components: Appenders
> Affects Versions: 2.5
> Reporter: John Calcote
> Priority: Major
>
> We find ourselves in a situation where all threads waiting for a lock in RollingFileManager, and no thread seems to own it:
> {noformat}
> $ grep 0x000000008015e528 dme.jstack.10122
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager)
> - waiting to lock <0x000000008015e528> (a org.apache.logging.log4j.core.appender.rolling.RollingFileManager) {noformat}
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