Hi Piotr, Ok, with this version the error is gone, but now using the ' log4j-jakarta-web' I can' t log anything ... This is the log4j2 debug log:
First it seems the log4j2.xml file is found: INFO: 2025-01-29T10:04:08.083865584Z main DEBUG getConfigURI found resource paths [/WEB-INF/log4j2.xml] in servletContext at [/WEB-INF/] INFO: 2025-01-29T10:04:08.085089121Z main DEBUG getConfigURI found resource [file:/opt/ventusproxy/app/proxy-war/ROOT/WEB-INF/log4j2.xml] in servletContext at [/WEB-INF/log4j2.xml] But, after several lines, this message says the opposite: INFO: 2025-01-29T10:04:08.606930494Z main TRACE Trying to find [log4j2.xml] using ClassLoader.getSystemResource(). INFO: 2025-01-29T10:04:08.607054706Z main WARN No Log4j 2 configuration file found. Using default configuration (logging only errors to the console), or user programmatically provided configurations. Set system property 'log4j2.debug' to show Log4j 2 internal initialization logging. See https://logging.apache .org/log4j/2.x/manual/configuration.html for instructions on how to configure Log4j 2 INFO: 2025-01-29T10:04:08.614842658Z main DEBUG Starting OutputStreamManager SYSTEM_OUT.false.false-2 INFO: 2025-01-29T10:04:08.615839040Z main INFO Starting LoggerContext[name=344b8190] with configuration DefaultConfiguration... On our code: System.setProperty("log.dir", dirLogs); System.setProperty("log4j.loggerContext.selector", "org.apache.logging.log4j.core.selector.BasicContextSelector"); LoggerContext context = (LoggerContext) LogManager.getContext(false); //context.setConfigLocation(log4j2Path.toUri()); <-- I'm not specifying the path to log4j2 programmatically in this case, that's the only difference this.accessLog = context.getLogger("LOGGER_ACCESS"); What am I doing wrong? Thanks, Joan. -----Original Message----- From: Piotr P. Karwasz <pi...@mailing.copernik.eu> Sent: Tuesday, January 28, 2025 5:46 PM To: log4j-user@logging.apache.org Subject: Re: Trying log4j3 with java24 (virtual threads) Hi Joan, On 28.01.2025 17:31, joan.balagu...@ventusproxy.com wrote: > Same error with 3.0.0-alpha1 > > Joan. > > -----Original Message----- > From: joan.balagu...@ventusproxy.com <joan.balagu...@ventusproxy.com> > Sent: Tuesday, January 28, 2025 5:24 PM > To: 'Log4J Users List' <log4j-user@logging.apache.org> > Subject: RE: Trying log4j3 with java24 (virtual threads) > > ... > > But when I start my application, this error occurs: > > Caused by: java.lang.NoSuchMethodError: 'boolean > org.apache.logging.log4j.core.util.Loader.isClassAvailable(java.lang.String)' > at > org.apache.logging.log4j.web.Log4jWebInitializerImpl.<clinit>(Log4jWebInitializerImpl.java:57) > at > org.apache.logging.log4j.web.WebLoggerContextUtils.getWebLifeCycle(WebLoggerContextUtils.java:84) > at > org.apache.logging.log4j.web.Log4jServletContainerInitializer.onStartup(Log4jServletContainerInitializer.java:56) > at > org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:4426) > at > org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:164) I was afraid that might happen. A small breaking change between Log4j Core 2 and 3 broke both artifacts. I have freshly compiled a new `3.0.0-SNAPSHOT` version of `log4j-jakarta-web`, which should work. You just need to add our snapshot releases repo: <repositories> <repository> <releases> <enabled>false</enabled> </releases> <id>apache.snapshots</id> <name>Apache Snapshot Repository</name> <url>https://repository.apache.org/snapshots</url> </repository> </repositories> The release process for a beta release is not long, but we have a documentation backlog that we need to address before performing a release, so it might take some time before we publish a `beta1`. On the other hand the code of the Jakarta artifacts is pretty stable and has not changed in years. It should be safe to use it in a test environment. Piotr --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org For additional commands, e-mail: log4j-user-h...@logging.apache.org