https://issues.apache.org/jira/browse/LOG4J2-1880
On Wed, Apr 12, 2017 at 2:18 AM, Remko Popma <[email protected]> wrote: > A better error message sounds like a good idea. > If you make a Jira ticket for this, please make it part of the > "ergonomics" epic: https://issues.apache.org/jira/browse/LOG4J2-1811 > > On Tue, Apr 11, 2017 at 9:19 PM, Mikael Ståldal <[email protected] > > wrote: > >> Some configuration file formats (JSON, YAML) require additional runtime >> dependencies. If a such dependency is missing, configuration file location >> will stop and not try other configuration files with lower priority. >> >> E.g. if I have both log4j2.json and log4j2.xml in classpath, but not >> Jackson (required for JSON config), then no configuration file will be >> loaded and I get this error: >> >> ERROR StatusLogger No log4j2 configuration file found. Using default >> configuration: logging only errors to the console. Set system property >> 'org.apache.logging.log4j.simplelog.StatusLogger.level' to TRACE to show >> Log4j2 internal initialization logging. >> >> When enabling status logging TRACE, I get a lot of logging (see below) >> and it's not so easy to figure out what went wrong. >> >> Would it make sense to emit a more explicit error message on WARN level >> when this occurs? >> >> >> DEBUG StatusLogger Loaded Provider Provider[priority=10, >> className=org.apache.logging.log4j.core.impl.Log4jContextFactory, >> url=jar:file:/home/mikes/.m2/repository/org/apache/logging/l >> og4j/log4j-core/2.8.2/log4j-core-2.8.2.jar!/META-INF/log4j-provider.properties, >> classLoader=sun.misc.Launcher$AppClassLoader@18b4aac2] >> DEBUG StatusLogger Using ShutdownCallbackRegistry class >> org.apache.logging.log4j.core.util.DefaultShutdownCallbackRegistry >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger AsyncLogger.ThreadNameStrategy=CACHED >> TRACE StatusLogger Using default SystemClock for timestamps. >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger Took 0.096889 seconds to load 198 plugins from >> sun.misc.Launcher$AppClassLoader@18b4aac2 >> DEBUG StatusLogger PluginManager 'Converter' found 41 plugins >> DEBUG StatusLogger Starting OutputStreamManager SYSTEM_OUT.false.false-1 >> DEBUG StatusLogger Starting LoggerContext[name=18b4aac2, >> org.apache.logging.log4j.core.LoggerContext@6d8a00e3]... >> DEBUG StatusLogger Reconfiguration started for context[name=18b4aac2] at >> URI null (org.apache.logging.log4j.core.LoggerContext@6d8a00e3) with >> optional ClassLoader: null >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger PluginManager 'ConfigurationFactory' found 4 plugins >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger Missing dependencies for Yaml support >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger Missing dependencies for Json support >> DEBUG StatusLogger Not in a ServletContext environment, thus not loading >> WebLookup plugin. >> DEBUG StatusLogger Using configurationFactory >> org.apache.logging.log4j.core.config.ConfigurationFactory$Fa >> ctory@3a82f6ef >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.properties] using >> context class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.properties] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yml] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yaml] using >> context class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.yaml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.json] using >> context class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.json] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.jsn] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.jsn] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.xml] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test18b4aac2.xml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.properties] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.properties] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.yml] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.yml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.yaml] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.yaml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.json] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.json] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.jsn] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.jsn] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2-test.xml] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2-test.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2-test.xml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.properties] using >> context class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.properties] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.yml] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.yaml] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.yaml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.json] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.json] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.json] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.jsn] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.jsn] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.jsn] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j218b4aac2.xml] using context >> class loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j218b4aac2.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.xml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j218b4aac2.xml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2.properties] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.properties] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.properties] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2.yml] using context class loader >> sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.yml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.yml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2.yaml] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> TRACE StatusLogger Trying to find [log4j2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.yaml] using >> sun.misc.Launcher$AppClassLoader@18b4aac2 class loader. >> TRACE StatusLogger Trying to find [log4j2.yaml] using >> ClassLoader.getSystemResource(). >> TRACE StatusLogger Trying to find [log4j2.json] using context class >> loader sun.misc.Launcher$AppClassLoader@18b4aac2. >> ERROR StatusLogger No log4j2 configuration file found. Using default >> configuration: logging only errors to the console. Set system property >> 'org.apache.logging.log4j.simplelog.StatusLogger.level' to TRACE to show >> Log4j2 internal initialization logging. >> >> >> -- >> [image: MagineTV] >> >> *Mikael Ståldal* >> Senior software developer >> >> *Magine TV* >> [email protected] >> Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com >> >> Privileged and/or Confidential Information may be contained in this >> message. If you are not the addressee indicated in this message >> (or responsible for delivery of the message to such a person), you may >> not copy or deliver this message to anyone. In such case, >> you should destroy this message and kindly notify the sender by reply >> email. >> > > -- [image: MagineTV] *Mikael Ståldal* Senior software developer *Magine TV* [email protected] Grev Turegatan 3 | 114 46 Stockholm, Sweden | www.magine.com Privileged and/or Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such a person), you may not copy or deliver this message to anyone. In such case, you should destroy this message and kindly notify the sender by reply email.
