Sergey Burkov created LOG4J2-619:
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Summary: Unable to recover after loading corrupted XML
Key: LOG4J2-619
URL: https://issues.apache.org/jira/browse/LOG4J2-619
Project: Log4j 2
Issue Type: Bug
Affects Versions: 2.0-rc1
Environment: CentOS 6.5, Oracle Java 7 u55
Reporter: Sergey Burkov
Priority: Critical
Steps to reproduce:
1) auto-reloading of log4j 2.x configuration from XML is enabled
2) system is started and producing logs
3) change XML configuration, so it's not valid XML any longer
4) Wait till it would be picked up -> no more logging info is produced,
exception can be found from logs (see below).
5) Fix XML configuration -> it's not getting reloaded anymore, only java
restart can fix the problem.
log4j2.xml org.xml.sax.SAXParseException; lineNumber: 1; columnNumber: 7; The
processi
ng instruction target matching "[xX][mM][lL]" is not allowed.
at
com.sun.org.apache.xerces.internal.parsers.DOMParser.parse(DOMParser.java:257)
at
com.sun.org.apache.xerces.internal.jaxp.DocumentBuilderImpl.parse(DocumentBuilderImpl.java:347)
at
org.apache.logging.log4j.core.config.XMLConfiguration.<init>(XMLConfiguration.java:145)
at
org.apache.logging.log4j.core.config.XMLConfiguration.reconfigure(XMLConfiguration.java:286)
at
org.apache.logging.log4j.core.LoggerContext.onChange(LoggerContext.java:421)
at
org.apache.logging.log4j.core.config.FileConfigurationMonitor.checkConfiguration(FileConfigurationMonitor.java:79)
at
org.apache.logging.log4j.core.Logger$PrivateConfig.filter(Logger.java:279)
at org.apache.logging.log4j.core.Logger.isEnabled(Logger.java:117)
at
org.apache.logging.log4j.spi.AbstractLoggerWrapper.isEnabled(AbstractLoggerWrapper.java:82)
at
org.apache.logging.log4j.spi.AbstractLogger.isDebugEnabled(AbstractLogger.java:1071)
at org.slf4j.impl.SLF4JLogger.isDebugEnabled(SLF4JLogger.java:174)
at
org.apache.commons.logging.impl.SLF4JLocationAwareLog.isDebugEnabled(SLF4JLocationAwareLog.java:67)
....
ERROR No logging configuration
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