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https://issues.apache.org/jira/browse/LOG4J2-3388?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17493196#comment-17493196
]
Janardhan Naidu commented on LOG4J2-3388:
-----------------------------------------
HI,
I am now migrating to log4j2.x, now facing one issue while implementing
customer log levels, please help here.
*in java code:*
final Logger logger = LogManager.getLogger();
Level lev = Level.toLevel("ALWAYS");
logger.log(lev, " from custom level Always.");
*in log4j2.properties:*
customLevels = ALWAYS
customLevel.ALWAYS.name = ALWAYS
customLevel.ALWAYS.value = 525
I am not getting the logs printed, instead getting number format error,
Exception in thread "main" *java.lang.NumberFormatException: For input string:
"ALWAYS"*
at java.lang.NumberFormatException.forInputString(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at java.lang.Integer.parseInt(Unknown Source)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationBuilder.build(PropertiesConfigurationBuilder.java:126)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationFactory.getConfiguration(PropertiesConfigurationFactory.java:56)
at
org.apache.logging.log4j.core.config.properties.PropertiesConfigurationFactory.getConfiguration(PropertiesConfigurationFactory.java:35)
at
org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:557)
at
org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:481)
at
org.apache.logging.log4j.core.config.ConfigurationFactory.getConfiguration(ConfigurationFactory.java:323)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:695)
at
org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:716)
at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:270)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:245)
at
org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:47)
at org.apache.logging.log4j.LogManager.getContext(LogManager.java:176)
at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:666)
Thanks
Janardhan
> Migration from log4j1.x to log4j2.x
> -----------------------------------
>
> Key: LOG4J2-3388
> URL: https://issues.apache.org/jira/browse/LOG4J2-3388
> Project: Log4j 2
> Issue Type: Question
> Reporter: Janardhan Naidu
> Priority: Major
>
> We are planning to upgrade log4j1.x to log4j2.x.
> So we went through the migration document:
> [https://logging.apache.org/log4j/2.x/manual/migration.html]
> in the above document, It says that (They must not access methods and classes
> internal to the Log4j 1.x implementation such as Appenders, LoggerRepository
> or Category’s callAppenders method.)
> and In our product, currently we are using log4j1.x and we are extending some
> of the log4j1.x classes like PatternParser, FileAppender etc... which were
> made final in log4j2.x so can we make use of Log4j 1.x bridge.? If yes how
> we can do that.
>
> what could be the better option to migrate log4j 1.x to log4j 2.x as we are
> making use of log4j internal classes?
>
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