Factory method 'shadedNettyGrpcChannelFactory' threw exception [...]NoClassDefFoundError: io/grpc/inprocess/InProcessChannelBuilder

[pgehl]

The context

The bug
We keep spring-boot and grpc-java up to date.
Without changing any code our application no longer starts.

Stacktrace and logs

Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'shadedNettyGrpcChannelFactory' 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 'shadedNettyGrpcChannelFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: io/grpc/inprocess/InProcessChannelBuilder
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:1352)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1195)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:582)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:542)
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:1284)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveNamedBean(DefaultListableBeanFactory.java:1245)
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:1175)
at net.devh.boot.grpc.client.inject.GrpcClientBeanPostProcessor.getChannelFactory(GrpcClientBeanPostProcessor.java:239)
at net.devh.boot.grpc.client.inject.GrpcClientBeanPostProcessor.processInjectionPoint(GrpcClientBeanPostProcessor.java:213)
... 65 common frames omitted
Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [net.devh.boot.grpc.client.channelfactory.GrpcChannelFactory]: Factory method 'shadedNettyGrpcChannelFactory' threw exception; nested exception is java.lang.NoClassDefFoundError: io/grpc/inprocess/InProcessChannelBuilder
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:185)
at org.springframework.beans.factory.support.ConstructorResolver.instantiate(ConstructorResolver.java:653)
... 82 common frames omitted
Caused by: java.lang.NoClassDefFoundError: io/grpc/inprocess/InProcessChannelBuilder
at net.devh.boot.grpc.client.autoconfigure.GrpcClientAutoConfiguration.shadedNettyGrpcChannelFactory(GrpcClientAutoConfiguration.java:161)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.base/java.lang.reflect.Method.invoke(Unknown Source)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
... 83 common frames omitted
Caused by: java.lang.ClassNotFoundException: io.grpc.inprocess.InProcessChannelBuilder
at java.base/java.net.URLClassLoader.findClass(Unknown Source)
at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
at org.springframework.boot.loader.LaunchedURLClassLoader.loadClass(LaunchedURLClassLoader.java:135)
at java.base/java.lang.ClassLoader.loadClass(Unknown Source)
Steps to Reproduce

Steps to reproduce the behavior:

The application's environment

Which versions do you use?

• Spring (boot): 2.7.15
• grpc-java: 1.58.0
• grpc-spring-boot-starter: 2.14.0.RELEASE
• java: version + architecture (64bit?) java 11 (64bit)
• Other relevant libraries...

Additional context

• Did it ever work before?
• Do you have a demo?

[yidongnan]

Fixed in #942