Hi,
With log4j2 v 2.9.1 (same issue in previous version 2.6), by putting the
log4j2.xml file in WEB-INF/classes, log4j will eventually locate that config
file as 'file:/'
====
ConfigLocationUri: file:/opt/tomcat/webapps/log4jTest/WEB-INF/classes/log4j2.xml
====
and the config file monitoring WILL WORK properly.
But when try to specify the config file by adding this to web.xml:
====
<display-name>Log4j Test</display-name>
<context-param>
<description>log4j2 configuration file</description>
<param-name>log4jConfiguration</param-name>
<param-value>/WEB-INF/classes/log4j2.xml</param-value>
</context-param>
====
it will be retrieved as (view in jmx):
====
ConfigLocationUri: jndi:/localhost/log4jTest/WEB-INF/classes/log4j2.xml
====
The problem with 'jndi:/' is that the config file seems NO LONGER being
watched, and thus the file monitor/reload DID NOT work.
Question:
- is this a bug or how to make the file set via log4jConfiguration (using path
relative to web context, like the /WEB-INF/...) being monitored?
In addition to that, in the jndi:/ case, in jmx, the following Exception shown
in the ConfigText field
====
java.lang.IllegalStateException: Illegal class loader binding
at
org.apache.naming.resources.DirContextURLStreamHandler.get(DirContextURLStreamHandler.java:228)
at
org.apache.naming.resources.DirContextURLStreamHandler.openConnection(DirContextURLStreamHandler.java:90)
at java.net.URL.openConnection(URL.java:979) at
java.net.URL.openStream(URL.java:1045)
at
org.apache.logging.log4j.core.config.ConfigurationSource.resetInputStream(ConfigurationSource.java:202)
at
org.apache.logging.log4j.core.jmx.LoggerContextAdmin.getConfigText(LoggerContextAdmin.java:158)
at
org.apache.logging.log4j.core.jmx.LoggerContextAdmin.getConfigText(LoggerContextAdmin.java:151)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:71)
at sun.reflect.GeneratedMethodAccessor24.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:275)
at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:112)
at
com.sun.jmx.mbeanserver.StandardMBeanIntrospector.invokeM2(StandardMBeanIntrospector.java:46)
at
com.sun.jmx.mbeanserver.MBeanIntrospector.invokeM(MBeanIntrospector.java:237)
at com.sun.jmx.mbeanserver.PerInterface.getAttribute(PerInterface.java:83)
at com.sun.jmx.mbeanserver.MBeanSupport.getAttribute(MBeanSupport.java:206)
at com.sun.jmx.mbeanserver.MBeanSupport.getAttributes(MBeanSupport.java:213)
at
com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.getAttributes(DefaultMBeanServerInterceptor.java:709)
at
com.sun.jmx.mbeanserver.JmxMBeanServer.getAttributes(JmxMBeanServer.java:705)
at
javax.management.remote.rmi.RMIConnectionImpl.doOperation(RMIConnectionImpl.java:1449)
at
javax.management.remote.rmi.RMIConnectionImpl.access$300(RMIConnectionImpl.java:76)
at
javax.management.remote.rmi.RMIConnectionImpl$PrivilegedOperation.run(RMIConnectionImpl.java:1309)
at
javax.management.remote.rmi.RMIConnectionImpl.doPrivilegedOperation(RMIConnectionImpl.java:1401)
at
javax.management.remote.rmi.RMIConnectionImpl.getAttributes(RMIConnectionImpl.java:675)
at sun.reflect.GeneratedMethodAccessor28.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:357)
at sun.rmi.transport.Transport$1.run(Transport.java:200)
at sun.rmi.transport.Transport$1.run(Transport.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:196)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:568)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:826)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.lambda$run$0(TCPTransport.java:683)
at java.security.AccessController.doPrivileged(Native Method)
at
sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:682)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
====
Thanks!
Bill
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