java.lang.ClassNotFoundException: io.netty.channel.unix.DomainSocketAddress

[goto1134]

The bug

After #548 spring context fails to start if grpc-netty-shaded is replaced with grpc-netty. You need to manually add netty-transport-native-epoll dependency to fix the issue.

Stacktrace and logs

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'nettyGrpcChannelFactory' defined in class path resource [net/devh/boot/grpc/client/autoconfigure/GrpcClientAutoConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [net.devh.boot.grpc.client.channelfactory.GrpcChannelFactory]: Factory method 'nettyGrpcChannelFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: io/netty/channel/unix/DomainSocketAddress
	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:658)
	at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:638)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1334)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1177)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:564)
	at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:524)
	at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:335)
	at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
	at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:333)
	at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:233)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveNamedBean(DefaultListableBeanFactory.java:1273)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveNamedBean(DefaultListableBeanFactory.java:1234)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveBean(DefaultListableBeanFactory.java:494)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:349)
	at org.springframework.beans.factory.support.DefaultListableBeanFactory.getBean(DefaultListableBeanFactory.java:342)
	at org.springframework.context.support.AbstractApplicationContext.getBean(AbstractApplicationContext.java:1172)
	at net.devh.boot.grpc.client.inject.GrpcClientBeanPostProcessor.getChannelFactory(GrpcClientBeanPostProcessor.java:201)
	at net.devh.boot.grpc.client.inject.GrpcClientBeanPostProcessor.processInjectionPoint(GrpcClientBeanPostProcessor.java:175)
	... 73 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [net.devh.boot.grpc.client.channelfactory.GrpcChannelFactory]: Factory method 'nettyGrpcChannelFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: io/netty/channel/unix/DomainSocketAddress
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
	at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
	... 90 common frames omitted
Caused by: java.lang.NoClassDefFoundError: io/netty/channel/unix/DomainSocketAddress
	at net.devh.boot.grpc.client.autoconfigure.GrpcClientAutoConfiguration.nettyGrpcChannelFactory(GrpcClientAutoConfiguration.java:171)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:564)
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
	... 91 common frames omitted
Caused by: java.lang.ClassNotFoundException: io.netty.channel.unix.DomainSocketAddress
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:606)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
	... 97 common frames omitted

Steps to Reproduce

Steps to reproduce the behavior:

use the following dependencies in pom.xml:

    <dependency>
      <groupId>io.grpc</groupId>
      <artifactId>grpc-netty</artifactId>
    </dependency>

    <dependency>
      <groupId>net.devh</groupId>
      <artifactId>grpc-client-spring-boot-starter</artifactId>
      <version>2.13.1.RELEASE</version>
      <exclusions>
        <exclusion>
          <groupId>io.grpc</groupId>
          <artifactId>grpc-netty-shaded</artifactId>
        </exclusion>
      </exclusions>
    </dependency>

start the app with grpc client

The application's environment

Which versions do you use?

• Spring (boot): 2.6.3
• grpc-java: 1.45.1
• grpc-spring-boot-starter: 1.13.1
• java: 11 64bit

Additional context

• Did it ever work before?
  yes
• Do you have a demo?
  no