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From "Nikolay Tikhonov (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (IGNITE-6362) NPE in Log4J2Logger
Date Thu, 05 Oct 2017 10:16:00 GMT

    [ https://issues.apache.org/jira/browse/IGNITE-6362?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16192694#comment-16192694
] 

Nikolay Tikhonov commented on IGNITE-6362:
------------------------------------------

[~alexey.tank2],
Thank you for your contribution! I've looked at your changes and have the following minor
comments:
* Why did you add Depricated annotation on tests?
* It looks that we missed suite for log4j2 on TC. Let's to recovery it.

> NPE in Log4J2Logger
> -------------------
>
>                 Key: IGNITE-6362
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6362
>             Project: Ignite
>          Issue Type: Bug
>          Components: general
>    Affects Versions: 2.1
>            Reporter: Valentin Kulichenko
>            Assignee: Alexey Popov
>             Fix For: 2.4
>
>
> When I start a node with {{Log4J2Logger}} configured and verbose mode ({{-DIGNITE_QUIET=false}},
it fails with NPE:
> {noformat}
> Caused by: java.lang.NullPointerException
> 	at org.apache.logging.log4j.core.config.LoggerConfig.<init>(LoggerConfig.java:145)
> 	at org.apache.logging.log4j.core.config.LoggerConfig.createLogger(LoggerConfig.java:523)
> 	at org.apache.ignite.logger.log4j2.Log4J2Logger.createConsoleLogger(Log4J2Logger.java:380)
> 	at org.apache.ignite.logger.log4j2.Log4J2Logger.addConsoleAppenderIfNeeded(Log4J2Logger.java:338)
> 	at org.apache.ignite.logger.log4j2.Log4J2Logger.<init>(Log4J2Logger.java:145)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> 	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> 	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> 	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> 	at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
> 	... 34 more
> {noformat}
> This is caused by the fact that {{Log4J2Logger#createConsoleLogger}} method invokes {{LoggerConfig.createLogger}}
providing {{null}} as {{Configuration}} object, which unconditionally causes NPE. Need to
provide some default configuration instead.



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