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https://issues.apache.org/jira/browse/LOG4J2-1640?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15562328#comment-15562328
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Ralph Goers commented on LOG4J2-1640:
-------------------------------------
Can you change status="WARN" to status="TRACE" and provide the resulting output?
> RollingFileAppender with CronTriggeringPolicy broken?
> -----------------------------------------------------
>
> Key: LOG4J2-1640
> URL: https://issues.apache.org/jira/browse/LOG4J2-1640
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.7
> Environment: Mac OS X 10.11.6 running Eclipse Neon 4.6.0 with JDK
> 1.8.0_74
> Reporter: Chris McGee
> Priority: Blocker
> Labels: CronTriggeringPolicy, RollingFile, RollingFileAppender,
> newbie
>
> If this isn't actually a bug, then I apologize for reporting it, but I cannot
> figure out how it could be anything else currently. Full disclosure: I am
> still a newbie.
> I've been using the log4j 2.6.x series for a while, but noticed that the
> CronTriggeringPolicy when used with RollingFileAppender causes that infinite
> rollover bug. I noted that this bug was to be fixed in 2.7, so I downloaded
> that the day it was released and replaced the 2.6 version with it. Now,
> however, without changing anything else in my code nor in my log4j2.xml file,
> I am getting exceptions regarding them.
> The stacktrace:
> {noformat}
> 2016-10-10 08:26:14,108 main ERROR Unable to inject fields into builder class
> for plugin type class
> org.apache.logging.log4j.core.appender.RollingFileAppender, element
> RollingFile. java.lang.NullPointerException
> at
> org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.rollover(CronTriggeringPolicy.java:133)
> at
> org.apache.logging.log4j.core.appender.rolling.CronTriggeringPolicy.initialize(CronTriggeringPolicy.java:69)
> at
> org.apache.logging.log4j.core.appender.rolling.CompositeTriggeringPolicy.initialize(CompositeTriggeringPolicy.java:52)
> at
> org.apache.logging.log4j.core.appender.rolling.RollingFileManager.initialize(RollingFileManager.java:104)
> at
> org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:142)
> at
> org.apache.logging.log4j.core.appender.RollingFileAppender$Builder.build(RollingFileAppender.java:58)
> at
> org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:122)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
> at
> org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
> at
> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
> at
> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
> at
> org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
> at
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:242)
> at
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
> at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
> at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:618)
> at info.chrismcgee.sky.artdept.ArtDept.<clinit>(ArtDept.java:85)
> 2016-10-10 08:26:14,112 main ERROR Unable to invoke factory method in class
> class org.apache.logging.log4j.core.appender.RollingFileAppender for element
> RollingFile. java.lang.IllegalStateException: No factory method found for
> class org.apache.logging.log4j.core.appender.RollingFileAppender
> at
> org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.findFactoryMethod(PluginBuilder.java:224)
> at
> org.apache.logging.log4j.core.config.plugins.util.PluginBuilder.build(PluginBuilder.java:130)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createPluginObject(AbstractConfiguration.java:942)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:882)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.createConfiguration(AbstractConfiguration.java:874)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.doConfigure(AbstractConfiguration.java:498)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.initialize(AbstractConfiguration.java:227)
> at
> org.apache.logging.log4j.core.config.AbstractConfiguration.start(AbstractConfiguration.java:239)
> at
> org.apache.logging.log4j.core.LoggerContext.setConfiguration(LoggerContext.java:530)
> at
> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:603)
> at
> org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:620)
> at
> org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:226)
> at
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:242)
> at
> org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
> at org.apache.logging.log4j.LogManager.getContext(LogManager.java:174)
> at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:618)
> at info.chrismcgee.sky.artdept.ArtDept.<clinit>(ArtDept.java:85)
> 2016-10-10 08:26:14,113 main ERROR Null object returned for RollingFile in
> Appenders.
> 2016-10-10 08:26:14,117 main ERROR Unable to locate appender "DailyRoll" for
> logger config "root"
> {noformat}
> For reference, the code in my ArtDept.java file on line 85 (as seen in the
> stacktrace above) is just a simple field declaration & initialization:
> {code:title=ArtDept.java|borderStyle=solid}
> static final Logger log = LogManager.getLogger(ArtDept.class.getName());
> {code}
> Finally, for reference, my log4j2.xml file:
> {code:xml|title=log4j2.xml|borderStyle=solid}
> <?xml version="1.0" encoding="UTF-8"?>
> <Configuration status="WARN" monitorInterval="30">
> <Properties>
> <Property name="filename">logs/artdept.log</Property>
> <Property
> name="baseDir">/Volumes/ArtDept/ArtDept/Scripts/sky-artdept/logs</Property>
> </Properties>
> <Appenders>
> <Console name="Console" target="SYSTEM_OUT">
> <PatternLayout pattern="%d{HH:mm:ss.SSS} [%t] %-5level %logger{36} -
> %msg%n"/>
> </Console>
> <File name="MyFile" fileName="${filename}">
> <PatternLayout>
> <pattern>%d %p %C{1.} [%t] %m%n</pattern>
> </PatternLayout>
> </File>
> <RollingFile name="DailyRoll"
> fileName="${baseDir}/${env:USER}/${date:yyyy}/${date:MM} -
> ${date:MMM}/Launcher.log"
> filePattern="${baseDir}/${env:USER}/${date:yyyy}/${date:MM} -
> ${date:MMM}/%d{dd} - Launcher-%i.log">
> <PatternLayout>
> <Pattern>%d %p %C{1.} [%t] %m%n</Pattern>
> </PatternLayout>
> <Policies>
> <CronTriggeringPolicy schedule="0 0 0 * * ?"
> evaluateOnStartup="true" />
> <SizeBasedTriggeringPolicy size="250 MB" />
> </Policies>
> </RollingFile>
> </Appenders>
> <Loggers>
> <Root level="trace">
> <AppenderRef ref="DailyRoll"/>
> </Root>
> </Loggers>
> </Configuration>
> {code}
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