yin mingjun created LOG4J2-1486:
-----------------------------------
Summary: when rolling target file exist, RollingFileManager would
remove target log file and fail rollover log file
Key: LOG4J2-1486
URL: https://issues.apache.org/jira/browse/LOG4J2-1486
Project: Log4j 2
Issue Type: Bug
Components: Core
Affects Versions: 2.6.2
Environment: mac osx capiton/jvm 1.7/log4j2 2.6.2
Reporter: yin mingjun
I create two file, one is testcmd.log, other is testcmd.log.2016-07-24
then, I touch the testcmd.log's modified time:
{{touch -t 1607240101 testcmd.log}}
and I write some code like this:
{code}
@Test
public void testRollingFileManager() {
TriggeringPolicy triggerPolicy =
TimeBasedTriggeringPolicy.createPolicy("1", "true");
DefaultRolloverStrategy rolloverStrategy =
DefaultRolloverStrategy.createStrategy("7", "1", "max", null, null, false, new
NullConfiguration());
RollingFileManager fileManager =
RollingFileManager.getFileManager("testcmd.log", "testcmd.log.%d{yyyy-MM-dd}",
true, true, triggerPolicy, rolloverStrategy, null,
PatternLayout.createDefaultLayout(), 0, true);
//trigger rollover
fileManager.rollover();
}
{code}
I run this code, find that testcmd.log.2016-07-24 is disappear !!!
I think the file pattern dos't contain "%i", the purge process can be ignored
(the file is removed during purge operation). And the other advise is, IF the
destination file is already exists, we should just ignore the rolling over
operation. Anyway, the lost of a log file has more harms for us.
thanks.
yin mingjun
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