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Getting below issue while migrating 2.7.9 to 2.8.8.

java.lang.ClassCastException: org.slf4j.impl.Log4jLoggerFactory cannot be cast to ch.qos.logback.classic.LoggerContext
    [error]         at play.api.libs.logback.LogbackLoggerConfigurator.configure(LogbackLoggerConfigurator.scala:92)
    [error]         at play.api.libs.logback.LogbackLoggerConfigurator.init(LogbackLoggerConfigurator.scala:31)
    [error]         at play.core.server.DevServerStart$.$anonfun$mainDev$1(DevServerStart.scala:106)
    [error]         at play.utils.Threads$.withContextClassLoader(Threads.scala:22)
    [error]         at play.core.server.DevServerStart$.mainDev(DevServerStart.scala:76)
    [error]         at play.core.server.DevServerStart$.mainDevHttpMode(DevServerStart.scala:50)
    [error]         at play.core.server.DevServerStart.mainDevHttpMode(DevServerStart.scala)
    [error]         at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    [error]         at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    [error]         at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    [error]         at java.lang.refle`enter code here`ct.Method.invoke(Method.java:498)
    [error]         at play.runsupport.Reloader$.startDevMode(Reloader.scala:306)
    [error]         at play.sbt.run.PlayRun$.devModeServer$lzycompute$1(PlayRun.scala:100)
    [error]         at play.sbt.run.PlayRun$.devModeServer$1(PlayRun.scala:83)
    [error]         at play.sbt.run.PlayRun$.$anonfun$playRunTask$3(PlayRun.scala:107)
    [error]         at play.sbt.run.PlayRun$.$anonfun$playRunTask$3$adapted(PlayRun.scala:67)
    [error]         at scala.Function1.$anonfun$compose$1(Function1.scala:49)
    [error] stack trace is suppressed; run last Compile / run for the full output
    [error] (Compile / run) java.lang.reflect.InvocationTargetException
Gaël J
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sree ragh
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    Check which loggers you've imported. https://stackoverflow.com/questions/31433246/classcastexception-org-slf4j-impl-log4jloggeradapter-cannot-be-cast-to-ch-qos-l/33592172 – Philip Oct 27 '21 at 11:43

0 Answers0