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List:       log4j-dev
Subject:    [jira] [Commented] (LOG4J2-169) LogManager.getLogger doesn't work
From:       "Jed Wesley-Smith (JIRA)" <jira () apache ! org>
Date:       2013-03-28 0:03:17
Message-ID: JIRA.12633315.1361409148792.67537.1364428997496 () arcas
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    [ https://issues.apache.org/jira/browse/LOG4J2-169?page=com.atlassian.jira.plugin. \
system.issuetabpanels:comment-tabpanel&focusedCommentId=13615907#comment-13615907 ] 

Jed Wesley-Smith commented on LOG4J2-169:
-----------------------------------------

Anything in particular holding up a beta5 release?

It has been a few months since the last one and this particular problem is seriously \
slowing our test runs as they must be executed sequentially to avoid tripping this \
up.  
> LogManager.getLogger doesn't work
> ---------------------------------
> 
> Key: LOG4J2-169
> URL: https://issues.apache.org/jira/browse/LOG4J2-169
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.0-beta4
> Reporter: Jed Wesley-Smith
> Assignee: Ralph Goers
> Priority: Critical
> Labels: thread-safety
> Fix For: 2.0-beta5
> 
> 
> We randomly get the following:
> java.util.ConcurrentModificationException
> 	at org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:377)
>   at org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:361)
>   at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:266)
>   at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:134)
> 	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:75)
>   at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:30)
>   at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:165)
> 	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:174)
> 	at …
> factories is defined as:
> private static List<ConfigurationFactory> factories = new \
> ArrayList<ConfigurationFactory>(); The simple fix is to use a \
> java.util.concurrent.CopyOnWriteArrayList: private static final \
> List<ConfigurationFactory> factories = new \
> CopyOnWriteArrayList<ConfigurationFactory>(); \
> https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk/core/src/main/java/org/apache/logging/log4j/core/config/ConfigurationFactory.java
> 

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