[jira] [Closed] (LOG4J2-765) Feature request: log warning to console if default configuration is used when missing log4j-core

["Remko Popma (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/LOG4J2-765?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Remko Popma closed LOG4J2-765.
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> Feature request: log warning to console if default configuration is used when missing log4j-core
> ------------------------------------------------------------------------------------------------
>
>                 Key: LOG4J2-765
>                 URL: https://issues.apache.org/jira/browse/LOG4J2-765
>             Project: Log4j 2
>          Issue Type: Improvement
>          Components: API, Configurators, Core
>    Affects Versions: 2.0, 2.0.1
>            Reporter: Remko Popma
>            Assignee: Remko Popma
>             Fix For: 2.0.2
>
>
> To summarize a recent twitter conversation: 
> a user became very frustrated that Log4j2 did not log to the configured file, and gave up and moved on to JUL instead.
> After some questions it turned out that (probably) the problem was that they had log4j-api but not log4j-core in the classpath.
> We can dismiss this saying that users should read the documentation better, but users are in a hurry to get things done and I can easily see this happening to more people.
> In the above conversation, the user pointed out that very likely, if someone ends up with the default configuration (log ERROR level messages to the console), they made a mistake. 
> The feature request is that log4j should help users by printing a message to the console that explains why the user ended up with the default configuration. 
> * In case log4j-core not in the classpath: {{Log4j2 could not find a logging implementation. Please add log4j-core to the classpath. Using SimpleLogger to log to the console...}}
> * In case no config file was found: {{No log4j2 configuration file found. Using default configuration: errors to the console.}}
> This last case is actually a frequent cause of questions on StackOverflow.



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