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  1. Log4j 2
  2. LOG4J2-3139

Startup errors with SLF4J 2.0.0-alpha4

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Details

    • New Feature
    • Status: Resolved
    • Major
    • Resolution: Fixed
    • 2.14.1
    • 2.19.0
    • SLF4J Bridge
    • None

    Description

      With SLF4J 2.0.0-alpha4, the following error message is logged during web application startup:

      java.lang.AbstractMethodError: Receiver class org.apache.logging.slf4j.SLF4JServiceProvider does not define or inherit an implementation of the resolved method 'abstract java.lang.String getRequestedApiVersion()' of interface org.slf4j.spi.SLF4JServiceProvider.
              at org.slf4j.LoggerFactory.versionSanityCheck(LoggerFactory.java:298)
              at org.slf4j.LoggerFactory.performInitialization(LoggerFactory.java:142)
              at org.slf4j.LoggerFactory.getProvider(LoggerFactory.java:422)
              at org.slf4j.LoggerFactory.getILoggerFactory(LoggerFactory.java:408)
              at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:357)
              at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:155)
              at org.apache.commons.logging.impl.SLF4JLogFactory.getInstance(SLF4JLogFactory.java:132)
              at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:273)
              at org.springframework.boot.web.servlet.support.SpringBootServletInitializer.onStartup(SpringBootServletInitializer.java:96)
              at org.springframework.web.SpringServletContainerInitializer.onStartup(SpringServletContainerInitializer.java:174)
              at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5219)
              at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
              at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:726)
              at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:698)
              at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:696)
              at org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1185)
              at org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1933)
              at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515)
              at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
              at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
              at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:118)
              at org.apache.catalina.startup.HostConfig.deployDirectories(HostConfig.java:1095)
              at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:477)
              at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1618)
              at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:319)
              at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:123)
              at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:423)
              at org.apache.catalina.util.LifecycleBase.setState(LifecycleBase.java:366)
              at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:946)
              at org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:835)
              at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
              at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1396)
              at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1386)
              at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
              at org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
              at java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
              at org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:919)
              at org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:263)
              at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
              at org.apache.catalina.core.StandardService.startInternal(StandardService.java:432)
              at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
              at org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:927)
              at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
              at org.apache.catalina.startup.Catalina.start(Catalina.java:772)
              at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.base/java.lang.reflect.Method.invoke(Method.java:566)
              at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:345)
              at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:476)
      

      Despite of this, logging seems to work fine anyway.

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              pkarwasz Piotr Karwasz
              ilgrosso Francesco Chicchiriccò
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                Created:
                Updated:
                Resolved: