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https://issues.apache.org/jira/browse/LOG4J2-811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14119431#comment-14119431
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Yogesh Rao commented on LOG4J2-811:
-----------------------------------
Gary has beaten me in the race to fix this defect ;-)
IMO [[email protected]] we should let go the user on that one again.
Also [~garydgregory] the SimpleLoggerTest.java uses the TestLogger
Implementation which is similar to SimpleLogger for now.
How about setting the factory to SimpleLoggerContextFactory ?
{code}
LogManager.setFactory(new SimpleLoggerContextFactory) that should help point
to the SimpleLogger
{code}
> SimpleLogger throws ArrayIndexOutOfBoundsException for an empty array
> ---------------------------------------------------------------------
>
> Key: LOG4J2-811
> URL: https://issues.apache.org/jira/browse/LOG4J2-811
> Project: Log4j 2
> Issue Type: Bug
> Components: API
> Affects Versions: 2.0.1
> Reporter: Yogesh Rao
> Assignee: Gary Gregory
> Labels: patch
> Fix For: 2.1
>
>
> There seems to be an issue with SimpleLogger implementation provided by
> log4j2. The issue seems to be in the new improved API supporting placeholders
> and var args when called with an Object Array of size 0.
> for e.g logger.error("Hello World {} in {} " , new Object[0]);
> A statement above results in an error as shown below
> ERROR StatusLogger Unable to locate a logging implementation, using
> SimpleLogger
> Exception in thread "main" java.lang.ArrayIndexOutOfBoundsException: -1
> at
> org.apache.logging.log4j.simple.SimpleLogger.logMessage(SimpleLogger.java:157)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logMessage(AbstractLogger.java:1347)
> at
> org.apache.logging.log4j.spi.AbstractLogger.logIfEnabled(AbstractLogger.java:1312)
> at
> org.apache.logging.log4j.spi.AbstractLogger.error(AbstractLogger.java:539)
> at TestError.main(TestError.java:21)
> Solution to place a check in SimpleLogger for checking the size of the array
> .
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