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I get a java.lang.NoSuchMethodError: 'void io.netty.handler.logging.LoggingHandler exception when starting Alfresco but already cleaned my dependencies and only get io.netty dependencies from Spring Boot Starter Webflux.

My stack trace is here
Dependency tree here

I don't really know what to do now because nothing seems to work out. The whole app runs on Docker and everything worked fine before we used the WebClient from Webflux.

Akagitsune
  • 25
  • 7

1 Answers1

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This is very hard to debug, but it's usually a dependency conflict.

In your pom.xml try to exclude nitty from webflex dependency add the following to your webflex dependency.

<exclusions>
   <exclusion>
      <artifactId>*</artifactId>
       <groupId>io.netty</groupId>
    </exclusion>
</exclusions>

then add netty dependency separately, go to mvn Repository and search for the netty dependency that suit you. or try this one.

<dependency>
  <groupId>io.netty</groupId>
  <artifactId>netty-all</artifactId>
  <version>4.1.42.Final</version>
</dependency>
Elbashir Saror
  • 302
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