This is the call stack: at org.apache.logging.log4j.spi.AbstractLogger.<init>(AbstractLogger.java:133) at org.apache.logging.log4j.core.Logger.<init>(Logger.java:68) at org.apache.logging.log4j.core.async.AsyncLogger.<init>(AsyncLogger.java:211) at org.apache.logging.log4j.core.async.AsyncLoggerContext.newInstance(AsyncLoggerContext.java:53) at org.apache.logging.log4j.core.LoggerContext.getLogger(LoggerContext.java:299) at org.apache.logging.log4j.core.LoggerContext.getLogger(LoggerContext.java:56) B>>>> at org.apache.logging.log4j.jul.CoreLoggerAdapter.newLogger(CoreLoggerAdapter.java:37)<<<<<<<<<B at org.apache.logging.log4j.jul.CoreLoggerAdapter.newLogger(CoreLoggerAdapter.java:31) at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:47) at org.apache.logging.log4j.jul.LogManager.getLogger(LogManager.java:89) at java.util.logging.LogManager.demandLogger(LogManager.java:551) at java.util.logging.Logger.demandLogger(Logger.java:455) at java.util.logging.Logger.getLogger(Logger.java:502) at com.vaadin.external.org.slf4j.impl.JDK14LoggerFactory.getLogger(JDK14LoggerFactory.java:72) - locked <0x12d9> (a com.vaadin.external.org.slf4j.impl.JDK14LoggerFactory) at com.vaadin.external.org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:242) at com.vaadin.external.org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:254) A >>>>>> at org.atmosphere.container.JSR356AsyncSupport.<clinit>(JSR356AsyncSupport.java:34) <<<<<<<<<<A at sun.reflect.NativeConstructorAccessorImpl.newInstance0(NativeConstructorAccessorImpl.java:-1) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:408) at org.atmosphere.cpr.DefaultAsyncSupportResolver.newCometSupport(DefaultAsyncSupportResolver.java:246)..... ....................
that logger is initialized in A, and CoreLoggerAdapter( http://logging.apache.org/log4j/2.x/log4j-jul/apidocs/org/apache/logging/log4j/jul/CoreLoggerAdapter.html) calls in B context.getLogger(name, MESSAGE_FACTORY) where MESSAGE_FACTORY = new MessageFormatMessageFactory(), On Fri, 3 Jul 2015 at 21:41 Remko Popma <remko.po...@gmail.com> wrote: > That logger (used in logger.info("JSR 356 Mapping path {}", > servletPath);), > can you check where/how it is created? The error indicates you are using a > https://logging.apache.org/log4j/2.x/log4j-api/apidocs/org/apache/logging/log4j/message/MessageFormatMessageFactory.html > > while the "{}" for parameters can only be used with the default > https://logging.apache.org/log4j/2.x/log4j-api/apidocs/org/apache/logging/log4j/message/ParameterizedMessageFactory.html > > Sent from my iPhone > > > On 2015/07/04, at 3:54, Jose Luis Valencia <jvalen...@rocoto.com.pe> > wrote: > > > > logger.info("JSR 356 Mapping path {}", servletPath); >
