I can't follow your case. Accessing a **final** field? Why do you
think it is possible? How does this relate to SkyWalking?
Sheng Wu 吴晟
Twitter, wusheng1108
dafang <13240156...@163.com> 于2022年11月1日周二 20:31写道：
>
> Hi skywalking dev team:
> env: skywalking-agent:v8.11.0,skywalking-oap:v9.1.0 Project
> byte-buddy version is : 1.11.22
> Recently,we have found our skywalking-agent report error log during
> project starting.It happend several times.
>
> The error log:
> "Caused by: java.lang.IllegalArgumentException: Can not set static
> org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.InstMethodsInter
> field
> com.okcoin.aircraft.rest.priapi.controller.BaseWebController.delegate$n04bej1
> to
> org.apache.skywalking.apm.agent.core.plugin.interceptor.enhance.ConstructorInter
> at
> sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)
> ~[?:1.8.0_321]
> at
> sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)
> ~[?:1.8.0_321]
> at
> sun.reflect.UnsafeQualifiedStaticObjectFieldAccessorImpl.set(UnsafeQualifiedStaticObjectFieldAccessorImpl.java:81)
> ~[?:1.8.0_321]
> at java.lang.reflect.Field.set(Field.java:764) ~[?:1.8.0_321]
> at
> org.apache.skywalking.apm.dependencies.net.bytebuddy.implementation.LoadedTypeInitializer$.onLoad(LoadedTypeInitializer.java:170)
> ~[skywalking-agent.jar:8.11.0]
> at
> org.apache.skywalking.apm.dependencies.net.bytebuddy.implementation.LoadedTypeInitializer$Compound.onLoad(LoadedTypeInitializer.java:233)
> ~[skywalking-agent.jar:8.11.0]
> at
> org.apache.skywalking.apm.dependencies.net.bytebuddy.agent.builder.AgentBuilder$InitializationStrategy$SelfInjection$Dispatcher$InjectingInitializer.onLoad(AgentBuilder.java:3655)
> ~[skywalking-agent.jar:8.11.0]
> at sun.reflect.GeneratedMethodAccessor115.invoke(Unknown Source) ~[?:?]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[?:1.8.0_321]
> at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_321]
> at
> org.apache.skywalking.apm.dependencies.net.bytebuddy.dynamic.Nexus.initialize(Nexus.java:139)
> ~[skywalking-agent.jar:8.11.0]
> at sun.reflect.GeneratedMethodAccessor114.invoke(Unknown Source) ~[?:?]
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> ~[?:1.8.0_321]
> at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_321]
> at com.test.controller.BaseWebController.<clinit>(BaseWebController.java)
> ~[classes!/:1.2.2-SNAPSHOT]
> at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
> ~[?:1.8.0_321]
> at
> sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
> ~[?:1.8.0_321]
> at
> sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
> ~[?:1.8.0_321]
> at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
> ~[?:1.8.0_321]
> at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:211)
> ~[spring-beans-5.3.20.jar!/:5.3.20]
> at
> org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:87)
> ~[spring-beans-5.3.20.jar!/:5.3.20]
> at
> org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateBean(AbstractAutowireCapableBeanFactory.java:1326)
> ~[spring-beans-5.3.20.jar!/:5.3.20]
> ... 25 more"
>
>
> The Java Code:
> "@RestController
> public class BaseWebController {
>
>
> @Autowired
> private HttpServletRequest request;
>
>
> public static final String USER_AGENT = "user-agent";
> public static final String IOS = "ios";
>
>
> protected RpcProto.SourceEnum getHost() {
>
> }
>
>
> public BizErrorCodeEnum checkStatus(StatusEnum statusEnum) {
>
> }
> }"
>
>
>
>
> I don't have any ideas. Please help me to see my problems.
> Yours dafang
> 2022.11.1
