引起原因：java.lang.ClassNotFoundException：org.grails.core.cfg.DeprecatedGrailsConfig

问题描述

我将项目从grails 3迁移到grails4。在执行引导运行时，遇到以下错误： 不确定是不推荐使用的导入还是方法实例化

该错误还指出了存在此行的文件：

def restBuilder = new RestBuilder()   // import grails.plugins.rest.client.RestBuilder


Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.abc.AuditService]: Constructor threw exception;
nested exception is java.lang.NoClassDefFoundError: org/grails/core/cfg/DeprecatedGrailsConfig
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:184)
        at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
        at org.springframework.beans.factory.support.AbstractAutowireCapablebeanfactory.instantiateBean(AbstractAutowireCapablebeanfactory.java:1294)
        ... 77 common frames omitted
Caused by: java.lang.NoClassDefFoundError: org/grails/core/cfg/DeprecatedGrailsConfig
        at org.grails.web.converters.configuration.ConvertersConfigurationInitializer.initJSONConfiguration(ConvertersConfigurationInitializer.java:82)
        at org.grails.web.converters.configuration.ConvertersConfigurationInitializer.initialize(ConvertersConfigurationInitializer.java:64)
        at grails.plugins.rest.client.RestBuilder.<init>(RestBuilder.groovy:58)
        at grails.plugins.rest.client.RestBuilder.<init>(RestBuilder.groovy)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
        at org.codehaus.groovy.reflection.CachedConstructor.invoke(CachedConstructor.java:80)
        at org.codehaus.groovy.runtime.callsite.ConstructorSite$ConstructorSiteNoUnwrapNoCoerce.callConstructor(ConstructorSite.java:105)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallConstructor(CallSiteArray.java:59)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:237)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callConstructor(AbstractCallSite.java:241)
        at org.abc.AuditService.<init>(AuditService.groovy:20)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
        at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:172)
        ... 79 common frames omitted
Caused by: java.lang.classNotFoundException: org.grails.core.cfg.DeprecatedGrailsConfig
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.classLoader.loadClass(ClassLoader.java:522)
        ... 98 common frames omitted

解决方法

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