Saurabh Sahu created LOG4J2-2066:
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Summary: Generated log files starts displaying empty or null
character after some time
Key: LOG4J2-2066
URL: https://issues.apache.org/jira/browse/LOG4J2-2066
Project: Log4j 2
Issue Type: Question
Components: Appenders
Affects Versions: 2.3
Environment: This happens in our performance testing environment.
Reporter: Saurabh Sahu
I am facing an issue in performance testing environment. When application
starts logging, log file appears good, but after some time when file grows in
size, I see that it has some kind of empty or invalid character for over 70% of
the content. When I see in notepad, it appears empty but in notepad++, it shows
null chracter.
!logfile.jpg|thumbnail!
Whenever files rollback and it creates a new file, eveything works fine but
after hours of time, I notice this. Interesting thing is, it appears those logs
get converted or overwritten to these characters as I see some hours of logs
missing.
Below is my configuration file log4j2.json.
{code}
{
"configuration": {
"name": "Default",
"properties": {
"property": [{
"name": "log-path",
"value": "logs"
},
{
"name": "archive",
"value": "${log-path}/archive"
}]
},
"appenders": {
"Console": {
"name": "Console-Appender",
"target": "SYSTEM_OUT",
"PatternLayout": {
"pattern": "[%-5level] %d{yyyy-MM-dd
HH:mm:ss.SSS} [%t] %c{1} - %msg%n"
}
},
"RollingRandomAccessFile": [{
"name": "RollingFile-Appender",
"fileName":
"${env:USER_INSTALL_ROOT}/applogs/ltv/ltv.log",
"filePattern":
"${env:USER_INSTALL_ROOT}/applogs/ltv/ltv.log.%d{yyyy-MM-dd-hh-mm}.gz",
"PatternLayout": {
"pattern": "[%-5level] %d{yyyy-MM-dd
HH:mm:ss.SSS} [%t] %c{1} - %msg%n"
},
"Policies": {
"SizeBasedTriggeringPolicy": {
"size": "10000 KB"
}
},
"DefaultRolloverStrategy": {
"max": "10"
}
},
{
"name": "RollingFileError-Appender",
"fileName":
"${env:USER_INSTALL_ROOT}/applogs/ltv/errors.log",
"filePattern":
"${env:USER_INSTALL_ROOT}/applogs/ltv/errors.log.%d{yyyy-MM-dd-hh-mm}.gz",
"PatternLayout": {
"pattern": "[%-5level] %d{yyyy-MM-dd
HH:mm:ss.SSS} [%t] %c{1} - %msg%n"
},
"Policies": {
"SizeBasedTriggeringPolicy": {
"size": "10000 KB"
}
},
"DefaultRolloverStrategy": {
"max": "10"
}
}]
},
"loggers": {
"logger": {
"name": "com.business.ltv",
"level": "all",
"appender-ref": [
{
"ref": "RollingFile-Appender",
"level": "all"
},
{
"ref": "RollingFileError-Appender",
"level": "error"
}]
},
"root": {
"level": "debug",
"appender-ref": {
"ref": "Console-Appender"
}
}
}
}
}
{code}
Could you please look at it and suggest if anything is wrong or causing this?
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