Reopen log file when rollover is unsuccessful #3226
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ppkarwasz
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Nov 21, 2024
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Thank you for your PR. It certainly solves the #2592 issue, but I would take the opportunity to clarify some RollingFileManager code.
IMHO, the code of the rolling file appenders is very unclear and hard to maintain, which is the cause of the multitude of bug reports for this component.
log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/RollingFileManager.java
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log4j-core/src/main/java/org/apache/logging/log4j/core/appender/rolling/RollingFileManager.java
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...est/src/test/java/org/apache/logging/log4j/core/appender/rolling/RollingFileManagerTest.java
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...est/src/test/java/org/apache/logging/log4j/core/appender/rolling/RollingFileManagerTest.java
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ppkarwasz
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Nov 21, 2024
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jvz
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Jul 29, 2025
Fixes `RollingFileManager` to reopen the log file when the rollover was unsuccessful
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Fixes #2592
Fixes
RollingFileManagerto reopen the log file when the rollover was unsuccessfulSee also #3021 (comment)
Checklist
2.xbranch if you are targeting Log4j 2; usemainotherwise./mvnw verifysucceeds (if it fails due to code formatting issues reported by Spotless, simply run./mvnw spotless:applyand retry)src/changelog/.2.x.xdirectory