[jira] [Created] (KARAF-5444) Unable to use Log4j2 ContextMapLookup with pax-logging

["Rocco Lagrotteria (JIRA)" <ji...@apache.org>]

Rocco Lagrotteria created KARAF-5444:
----------------------------------------

             Summary: Unable to use Log4j2 ContextMapLookup with pax-logging
                 Key: KARAF-5444
                 URL: https://issues.apache.org/jira/browse/KARAF-5444
             Project: Karaf
          Issue Type: Bug
          Components: karaf-logging
    Affects Versions: 4.1.2
         Environment: JVM:
{noformat}
java version "1.8.0_144"
Java(TM) SE Runtime Environment (build 1.8.0_144-b01)
Java HotSpot(TM) 64-Bit Server VM (build 25.144-b01, mixed mode)
{noformat}

OS:
{noformat}
os.arch=amd64
os.name=Linux
os.version=4.10.3-041003-generic
{noformat}

            Reporter: Rocco Lagrotteria


ContextMapLookup has been worked fine using escaped {noformat}${ctx:xxx}{noformat} placeholder in log4j config,  but in karaf 4.1.2 it does't work anymore.

To replicate the issue, add this properties in {{etc/org.ops4j.pax.logging.cfg}} trying to setup a single log file per bundle:
{noformat}

log4j2.appender.bundle.type = Routing
log4j2.appender.bundle.name = RoutingByBundle
log4j2.appender.bundle.routes.type = Routes
log4j2.appender.bundle.routes.pattern = \$\$\\\{ctx:bundle.name\}
log4j2.appender.bundle.routes.bundlename.type = Route
log4j2.appender.bundle.routes.bundlename.appender.type = RandomAccessFile
log4j2.appender.bundle.routes.bundlename.appender.name = RandomAccessFile-\$\\\{ctx:bundle.name\}
log4j2.appender.bundle.routes.bundlename.appender.fileName = ${karaf.data}/log/karaf.\$\\\{ctx:bundle.name\}-\$\\\{ctx:bundle.id\}.log
log4j2.appender.bundle.routes.bundlename.appender.append = true
log4j2.appender.bundle.routes.bundlename.appender.layout.type = PatternLayout
log4j2.appender.bundle.routes.bundlename.appender.layout.pattern = [%d{ISO8601}][%-5.5p][%t] - %m%n

log4j2.rootLogger.appenderRef.RoutingByBundle.ref = RoutingByBundle
{noformat}

Configuration works, but restarting karaf empty values replace placeholders in config settings, breaking configuration:
{noformat}
log4j2.appender.bundle.type = Routing
log4j2.appender.bundle.name = RoutingByBundle
log4j2.appender.bundle.routes.type = Routes
log4j2.appender.bundle.routes.pattern = $
log4j2.appender.bundle.routes.bundlename.type = Route
log4j2.appender.bundle.routes.bundlename.appender.type = RandomAccessFile
log4j2.appender.bundle.routes.bundlename.appender.name = RandomAccessFile-
log4j2.appender.bundle.routes.bundlename.appender.fileName = /home/rolag/Desktop/apache-karaf-4.1.2/data/log/karaf.-.log
log4j2.appender.bundle.routes.bundlename.appender.append = true
log4j2.appender.bundle.routes.bundlename.appender.layout.type = PatternLayout
log4j2.appender.bundle.routes.bundlename.appender.layout.pattern = [%d{ISO8601}][%-5.5p][%t] - %m%n

log4j2.rootLogger.appenderRef.RoutingByBundle.ref = RoutingByBundle
{noformat}




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