[jboss-jira] [JBoss JIRA] (JBLOGGING-107) JBoss Logging throws NullPointerException when used with Log4j 2.0 final.

[Nayden Gochev (JIRA)]

    [ https://issues.jboss.org/browse/JBLOGGING-107?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12986026#comment-12986026 ] 

Nayden Gochev commented on JBLOGGING-107:
-----------------------------------------

great thanks

> JBoss Logging throws  NullPointerException when used with Log4j 2.0 final.
> --------------------------------------------------------------------------
>
>                 Key: JBLOGGING-107
>                 URL: https://issues.jboss.org/browse/JBLOGGING-107
>             Project: JBoss Logging
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: jboss-logging-log4j
>    Affects Versions: 3.2.0.Beta1
>         Environment:   <log4j.version>2.0</log4j.version>
>   <jboss.logging.version>3.2.0.Beta1</jboss.logging.version>
>   <hibernate.version>4.3.5.Final</hibernate.version>
>            Reporter: Nayden Gochev
>            Assignee: James Perkins
>            Priority: Blocker
>             Fix For: 3.2.0.Beta2
>
>
> When you enable logging of org.hibernate.SQL the log is not send to the log4j loggers/appenders.
> The reason for that is a null pointer exception in:
> Class: 
> Log4j2Logger
> Method:
> protected void doLog(final Level level, final String loggerClassName, final Object message, final Object[] parameters, final Throwable thrown) {
> Line: 
> 54
> {code:title=Log4j2Logger.java|borderStyle=solid}
>     @Override
>     protected void doLog(final Level level, final String loggerClassName, final Object message, final Object[] parameters, final Throwable thrown) {
>         final org.apache.logging.log4j.Level translatedLevel = Log4j2Logger.translate(level);
>         if (this.logger.isEnabled(translatedLevel)) {
>             try {
>                 this.logger.log(null, loggerClassName, translatedLevel,
>                         parameters == null || parameters.length == 0 ? this.messageFactory.newMessage(message) :
>                                 this.messageFactory.newMessage(String.valueOf(message), parameters),
>                         thrown);
>             } catch (Throwable ignored) { }
>         }
>     }
> {code}
> This  this.logger.log call is the one causing NPE which is ignored .. because of the surrounding catch.
> If you change the call to something like : 
> {code:title=Example (params are not passed but you can pas them as well )|borderStyle=solid}
> this.logger.log(translatedLevel,this.messageFactory.newMessage(String.valueOf(message), thrown)
> {code}
> As an example you will see its working.



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