Chris McGee created LOG4J2-1640:
-----------------------------------
Summary: 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
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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