[jira] [Created] (LOG4J2-619) Unable to recover after loading corrupted XML

["Sergey Burkov (JIRA)" <ji...@apache.org>]

Sergey Burkov created LOG4J2-619:
------------------------------------

             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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