我正在根据我的Corda项目运行一个相当大的Spring版本(jHipster生成(。我在运行 spring 服务器时遇到一些与类星体相关的错误。我猜这是因为类星体实用程序在服务器的 gradle 依赖项中。类星体正在抱怨与OAuth2春季服务有关的事情。到目前为止，我实际上没有使用任何OAuth功能，所以我不确定这些错误是否是良性的。 无论如何，我有点担心类星体的一般干扰。有没有办法与Corda进行RPC交互，而无需在服务器gradle依赖项中使用类星体实用程序？
以下是错误：
[quasar] WARNING: Can't determine super class of org/springframework/security/ldap/authentication/BindAuthenticator
[quasar] WARNING: Can't determine super class of org/springframework/security/ldap/authentication/PasswordComparisonAuthenticator
2018-08-06 17:55:04.769 DEBUG 2492 --- [ restartedMain] c.ehcache.core.Ehcache-usersByLogin : Initialize successful.
2018-08-06 17:55:04.801 DEBUG 2492 --- [ restartedMain] c.ehcache.core.Ehcache-usersByEmail : Initialize successful.
[quasar] WARNING: Can't determine super class of org/springframework/security/oauth2/client/oidc/userinfo/OidcUserService
[quasar] WARNING: Can't determine super class of org/springframework/security/oauth2/client/userinfo/OAuth2UserService
[quasar] ERROR: Unable to instrument class org/springframework/security/config/annotation/web/configurers/oauth2/client/OAuth2LoginConfigurer
java.lang.NullPointerException
at co.paralleluniverse.asm.Item.a(Unknown Source)
at co.paralleluniverse.asm.ClassWriter.c(Unknown Source)
at co.paralleluniverse.asm.ClassWriter.a(Unknown Source)
at co.paralleluniverse.asm.Frame.a(Unknown Source)
at co.paralleluniverse.asm.Frame.a(Unknown Source)
at co.paralleluniverse.asm.MethodWriter.visitMaxs(Unknown Source)
at co.paralleluniverse.asm.tree.MethodNode.accept(Unknown Source)
at co.paralleluniverse.asm.commons.JSRInlinerAdapter.visitEnd(Unknown Source)
at co.paralleluniverse.asm.MethodVisitor.visitEnd(Unknown Source)
at co.paralleluniverse.fibers.instrument.InstrumentClass$1.visitEnd(InstrumentClass.java:190)
at co.paralleluniverse.asm.ClassReader.b(Unknown Source)
at co.paralleluniverse.asm.ClassReader.accept(Unknown Source)
at co.paralleluniverse.asm.ClassReader.accept(Unknown Source)
at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:134)
at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:94)
at co.paralleluniverse.fibers.instrument.JavaAgent$Transformer.transform(JavaAgent.java:209)
at sun.instrument.TransformerManager.transform(TransformerManager.java:188)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:428)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.getHttp(WebSecurityConfigurerAdapter.java:205)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.init(WebSecurityConfigurerAdapter.java:321)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.init(WebSecurityConfigurerAdapter.java:92)
at com.cordatemplate.cordapp.config.SecurityConfiguration$$EnhancerBySpringCGLIB$$c1c18162.init(<generated>)
at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.init(AbstractConfiguredSecurityBuilder.java:371)
at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild(AbstractConfiguredSecurityBuilder.java:325)
at org.springframework.security.config.annotation.AbstractSecurityBuilder.build(AbstractSecurityBuilder.java:41)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.springSecurityFilterChain(WebSecurityConfiguration.java:104)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d.CGLIB$springSecurityFilterChain$4(<generated>)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d$$FastClassBySpringCGLIB$$6a532806.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d.springSecurityFilterChain(<generated>:65535)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:582)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1256)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1105)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
at com.cordatemplate.cordapp.CordaApp.main(CordaApp.java:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
[quasar] ERROR: while transforming org/springframework/security/config/annotation/web/configurers/oauth2/client/OAuth2LoginConfigurer: null
java.lang.NullPointerException
at co.paralleluniverse.asm.Item.a(Unknown Source)
at co.paralleluniverse.asm.ClassWriter.c(Unknown Source)
at co.paralleluniverse.asm.ClassWriter.a(Unknown Source)
at co.paralleluniverse.asm.Frame.a(Unknown Source)
at co.paralleluniverse.asm.Frame.a(Unknown Source)
at co.paralleluniverse.asm.MethodWriter.visitMaxs(Unknown Source)
at co.paralleluniverse.asm.tree.MethodNode.accept(Unknown Source)
at co.paralleluniverse.asm.commons.JSRInlinerAdapter.visitEnd(Unknown Source)
at co.paralleluniverse.asm.MethodVisitor.visitEnd(Unknown Source)
at co.paralleluniverse.fibers.instrument.InstrumentClass$1.visitEnd(InstrumentClass.java:190)
at co.paralleluniverse.asm.ClassReader.b(Unknown Source)
at co.paralleluniverse.asm.ClassReader.accept(Unknown Source)
at co.paralleluniverse.asm.ClassReader.accept(Unknown Source)
at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:134)
at co.paralleluniverse.fibers.instrument.QuasarInstrumentor.instrumentClass(QuasarInstrumentor.java:94)
at co.paralleluniverse.fibers.instrument.JavaAgent$Transformer.transform(JavaAgent.java:209)
at sun.instrument.TransformerManager.transform(TransformerManager.java:188)
at sun.instrument.InstrumentationImpl.transform(InstrumentationImpl.java:428)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.getHttp(WebSecurityConfigurerAdapter.java:205)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.init(WebSecurityConfigurerAdapter.java:321)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter.init(WebSecurityConfigurerAdapter.java:92)
at com.cordatemplate.cordapp.config.SecurityConfiguration$$EnhancerBySpringCGLIB$$c1c18162.init(<generated>)
at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.init(AbstractConfiguredSecurityBuilder.java:371)
at org.springframework.security.config.annotation.AbstractConfiguredSecurityBuilder.doBuild(AbstractConfiguredSecurityBuilder.java:325)
at org.springframework.security.config.annotation.AbstractSecurityBuilder.build(AbstractSecurityBuilder.java:41)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration.springSecurityFilterChain(WebSecurityConfiguration.java:104)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d.CGLIB$springSecurityFilterChain$4(<generated>)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d$$FastClassBySpringCGLIB$$6a532806.invoke(<generated>)
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228)
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:361)
at org.springframework.security.config.annotation.web.configuration.WebSecurityConfiguration$$EnhancerBySpringCGLIB$$bc81b89d.springSecurityFilterChain(<generated>:65535)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
at org.springframework.beans.factory.support.ConstructorResolver.instantiateUsingFactoryMethod(ConstructorResolver.java:582)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.instantiateUsingFactoryMethod(AbstractAutowireCapableBeanFactory.java:1256)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBeanInstance(AbstractAutowireCapableBeanFactory.java:1105)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:543)
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:503)
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:317)
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:315)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:304)
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199)
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:760)
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:869)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:550)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:140)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:759)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:395)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:327)
at com.cordatemplate.cordapp.CordaApp.main(CordaApp.java:61)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49)
只要你不使用任何类星体无法在流中检测的对象，你就不会有任何问题。类星体在Corda中主要用于可悬浮纤维，这意味着序列化堆栈。如果该对象不在所述堆栈上，则不应引起任何问题。
但更重要的是，你的Corda节点和Spring Boot应用程序应该在不同的进程中运行，以避免任何干扰。你只需要在编译 Cordapps 和 Corda 本身时需要 Quasar utils。如果你的 Spring 启动应用程序是独立的，那么我建议在单独的 gradle/maven 子项目中构建它，而不依赖于类星体实用程序。
派对有点晚了，但是查看这里quasar-utils的源代码，您可以在根构建中为忽略的包设置扩展 prop：
ext.quasar_exclusions = [
'co.paralleluniverse**',
'groovy**',
'com.esotericsoftware.**',
'jdk**',
'junit**',
'kotlin**',
'net.rubygrapefruit.**',
'org.gradle.**',
'org.apache.**',
'org.jacoco.**',
'org.junit**',
'org.slf4j**',
'worker.org.gradle.**',
'com.nhaarman.mockito_kotlin**',
'org.assertj**',
'org.hamcrest**',
'org.mockito**',
'org.opentest4j**',
'org.springframework**',
'reactor.core.publisher**',
'com.github.manosbatsis.corbeans.spring.boot**'
]
此外，看起来版本 4.0.45 允许quasar扩展，例如：
quasar {
/// ...
// defaults to quasar_exclusions property
excludePackages = [
'glob for package not to be instrumented',
//...
]
}