Dubbo3.0.1好像有BUG,不太确定，发一下吧！

[startjava]

@DubboReference(loadbalance = LoadbalanceRules.CONSISTENT_HASH, parameters = {"hash.arguments", "0,100"})

启动报错------------------------------------------

C:\Users\Administrator\.jdks\openjdk-14.0.1\bin\java.exe -XX:TieredStopAtLevel=1 -noverify -Dspring.output.ansi.enabled=always -javaagent:C:\ideaIU-2021.1.1.win\lib\idea_rt.jar=13793:C:\ideaIU-2021.1.1.win\bin -Dcom.sun.management.jmxremote -Dspring.jmx.enabled=true -Dspring.liveBeansView.mbeanDomain -Dspring.application.admin.enabled=true -Dfile.encoding=UTF-8 -classpath C:\Users\Administrator\Desktop\Dubbo3_Demo\my-loadbalance-consumer\target\classes;C:\mvn_repository\org\springframework\boot\spring-boot-starter\2.5.3\spring-boot-starter-2.5.3.jar;C:\mvn_repository\org\springframework\boot\spring-boot\2.5.3\spring-boot-2.5.3.jar;C:\mvn_repository\org\springframework\spring-context\5.3.9\spring-context-5.3.9.jar;C:\mvn_repository\org\springframework\boot\spring-boot-autoconfigure\2.5.3\spring-boot-autoconfigure-2.5.3.jar;C:\mvn_repository\org\springframework\boot\spring-boot-starter-logging\2.5.3\spring-boot-starter-logging-2.5.3.jar;C:\mvn_repository\ch\qos\logback\logback-classic\1.2.4\logback-classic-1.2.4.jar;C:\mvn_repository\ch\qos\logback\logback-core\1.2.4\logback-core-1.2.4.jar;C:\mvn_repository\org\apache\logging\log4j\log4j-to-slf4j\2.14.1\log4j-to-slf4j-2.14.1.jar;C:\mvn_repository\org\apache\logging\log4j\log4j-api\2.14.1\log4j-api-2.14.1.jar;C:\mvn_repository\org\slf4j\jul-to-slf4j\1.7.32\jul-to-slf4j-1.7.32.jar;C:\mvn_repository\jakarta\annotation\jakarta.annotation-api\1.3.5\jakarta.annotation-api-1.3.5.jar;C:\mvn_repository\org\springframework\spring-core\5.3.9\spring-core-5.3.9.jar;C:\mvn_repository\org\springframework\spring-jcl\5.3.9\spring-jcl-5.3.9.jar;C:\mvn_repository\org\yaml\snakeyaml\1.28\snakeyaml-1.28.jar;C:\mvn_repository\org\springframework\boot\spring-boot-starter-web\2.5.3\spring-boot-starter-web-2.5.3.jar;C:\mvn_repository\org\springframework\boot\spring-boot-starter-json\2.5.3\spring-boot-starter-json-2.5.3.jar;C:\mvn_repository\com\fasterxml\jackson\core\jackson-databind\2.12.4\jackson-databind-2.12.4.jar;C:\mvn_repository\com\fasterxml\jackson\core\jackson-annotations\2.12.4\jackson-annotations-2.12.4.jar;C:\mvn_repository\com\fasterxml\jackson\core\jackson-core\2.12.4\jackson-core-2.12.4.jar;C:\mvn_repository\com\fasterxml\jackson\datatype\jackson-datatype-jdk8\2.12.4\jackson-datatype-jdk8-2.12.4.jar;C:\mvn_repository\com\fasterxml\jackson\datatype\jackson-datatype-jsr310\2.12.4\jackson-datatype-jsr310-2.12.4.jar;C:\mvn_repository\com\fasterxml\jackson\module\jackson-module-parameter-names\2.12.4\jackson-module-parameter-names-2.12.4.jar;C:\mvn_repository\org\springframework\boot\spring-boot-starter-tomcat\2.5.3\spring-boot-starter-tomcat-2.5.3.jar;C:\mvn_repository\org\apache\tomcat\embed\tomcat-embed-core\9.0.50\tomcat-embed-core-9.0.50.jar;C:\mvn_repository\org\apache\tomcat\embed\tomcat-embed-el\9.0.50\tomcat-embed-el-9.0.50.jar;C:\mvn_repository\org\apache\tomcat\embed\tomcat-embed-websocket\9.0.50\tomcat-embed-websocket-9.0.50.jar;C:\mvn_repository\org\springframework\spring-web\5.3.9\spring-web-5.3.9.jar;C:\mvn_repository\org\springframework\spring-beans\5.3.9\spring-beans-5.3.9.jar;C:\mvn_repository\org\springframework\spring-webmvc\5.3.9\spring-webmvc-5.3.9.jar;C:\mvn_repository\org\springframework\spring-aop\5.3.9\spring-aop-5.3.9.jar;C:\mvn_repository\org\springframework\spring-expression\5.3.9\spring-expression-5.3.9.jar;C:\mvn_repository\org\apache\dubbo\dubbo-spring-boot-starter\3.0.1\dubbo-spring-boot-starter-3.0.1.jar;C:\mvn_repository\org\apache\dubbo\dubbo-spring-boot-autoconfigure\3.0.1\dubbo-spring-boot-autoconfigure-3.0.1.jar;C:\mvn_repository\org\apache\dubbo\dubbo-spring-boot-autoconfigure-compatible\3.0.1\dubbo-spring-boot-autoconfigure-compatible-3.0.1.jar;C:\mvn_repository\org\apache\dubbo\dubbo\3.0.1\dubbo-3.0.1.jar;C:\mvn_repository\com\alibaba\spring\spring-context-support\1.0.8\spring-context-support-1.0.8.jar;C:\mvn_repository\org\javassist\javassist\3.23.1-GA\javassist-3.23.1-GA.jar;C:\mvn_repository\org\eclipse\collections\eclipse-collections\10.4.0\eclipse-collections-10.4.0.jar;C:\mvn_repository\org\eclipse\collections\eclipse-collections-api\10.4.0\eclipse-collections-api-10.4.0.jar;C:\mvn_repository\io\netty\netty-all\4.1.66.Final\netty-all-4.1.66.Final.jar;C:\mvn_repository\com\google\code\gson\gson\2.8.7\gson-2.8.7.jar;C:\mvn_repository\com\alibaba\fastjson\1.2.70\fastjson-1.2.70.jar;C:\mvn_repository\org\roaringbitmap\RoaringBitmap\0.9.0\RoaringBitmap-0.9.0.jar;C:\mvn_repository\org\roaringbitmap\shims\0.9.0\shims-0.9.0.jar;C:\mvn_repository\org\apache\curator\curator-x-discovery\4.0.1\curator-x-discovery-4.0.1.jar;C:\mvn_repository\org\apache\curator\curator-recipes\4.0.1\curator-recipes-4.0.1.jar;C:\mvn_repository\org\apache\curator\curator-framework\4.0.1\curator-framework-4.0.1.jar;C:\mvn_repository\org\apache\curator\curator-client\4.0.1\curator-client-4.0.1.jar;C:\mvn_repository\com\google\guava\guava\20.0\guava-20.0.jar;C:\mvn_repository\org\codehaus\jackson\jackson-mapper-asl\1.9.13\jackson-mapper-asl-1.9.13.jar;C:\mvn_repository\org\codehaus\jackson\jackson-core-asl\1.9.13\jackson-core-asl-1.9.13.jar;C:\mvn_repository\org\apache\zookeeper\zookeeper\3.7.0\zookeeper-3.7.0.jar;C:\mvn_repository\org\apache\zookeeper\zookeeper-jute\3.7.0\zookeeper-jute-3.7.0.jar;C:\mvn_repository\org\apache\yetus\audience-annotations\0.12.0\audience-annotations-0.12.0.jar;C:\mvn_repository\io\netty\netty-handler\4.1.66.Final\netty-handler-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-common\4.1.66.Final\netty-common-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-resolver\4.1.66.Final\netty-resolver-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-buffer\4.1.66.Final\netty-buffer-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-transport\4.1.66.Final\netty-transport-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-codec\4.1.66.Final\netty-codec-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-transport-native-epoll\4.1.66.Final\netty-transport-native-epoll-4.1.66.Final.jar;C:\mvn_repository\io\netty\netty-transport-native-unix-common\4.1.66.Final\netty-transport-native-unix-common-4.1.66.Final.jar;C:\mvn_repository\org\slf4j\slf4j-api\1.7.32\slf4j-api-1.7.32.jar;C:\mvn_repository\org\slf4j\slf4j-log4j12\1.7.32\slf4j-log4j12-1.7.32.jar;C:\mvn_repository\log4j\log4j\1.2.16\log4j-1.2.16.jar;C:\Users\Administrator\Desktop\Dubbo3_Demo\my-api\target\classes com.ghy.www.my.loadbalance.consumer.Application
OpenJDK 64-Bit Server VM warning: Options -Xverify:none and -noverify were deprecated in JDK 13 and will likely be removed in a future release.
SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/C:/mvn_repository/ch/qos/logback/logback-classic/1.2.4/logback-classic-1.2.4.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/C:/mvn_repository/org/slf4j/slf4j-log4j12/1.7.32/slf4j-log4j12-1.7.32.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.
SLF4J: Actual binding is of type [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
2021-08-12 17:54:20.493  INFO 12588 --- [           main] d.s.b.c.e.WelcomeLogoApplicationListener : 

 :: Dubbo Spring Boot (v3.0.1) : https://github.com/apache/dubbo-spring-boot-project
 :: Dubbo (v3.0.1) : https://github.com/apache/dubbo
 :: Discuss group : dev@dubbo.apache.org


  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.5.3)

2021-08-12 17:54:20.590  INFO 12588 --- [           main] c.g.w.m.l.consumer.Application           : Starting Application using Java 14.0.1 on gaohongyan with PID 12588 (C:\Users\Administrator\Desktop\Dubbo3_Demo\my-loadbalance-consumer\target\classes started by Administrator in C:\Users\Administrator\Desktop\Dubbo3_Demo)
2021-08-12 17:54:20.590  INFO 12588 --- [           main] c.g.w.m.l.consumer.Application           : No active profile set, falling back to default profiles: default
log4j:WARN No appenders could be found for logger (org.apache.dubbo.config.context.ConfigManager).
log4j:WARN Please initialize the log4j system properly.
log4j:WARN See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more info.
2021-08-12 17:54:21.961  INFO 12588 --- [           main] o.s.c.a.ConfigurationClassPostProcessor  : Cannot enhance @Configuration bean definition 'org.apache.dubbo.spring.boot.autoconfigure.DubboAutoConfiguration' since its singleton instance has been created too early. The typical cause is a non-static @Bean method with a BeanDefinitionRegistryPostProcessor return type: Consider declaring such methods as 'static'.
2021-08-12 17:54:22.058  INFO 12588 --- [           main] f.a.ReferenceAnnotationBeanPostProcessor : Register dubbo reference bean: iService1 = ReferenceBean:com.ghy.www.api.IService1(loadbalance=random) at private com.ghy.www.api.IService1 com.ghy.www.my.loadbalance.consumer.javaconfig.JavaConfigDubbo.iService1
2021-08-12 17:54:22.058  INFO 12588 --- [           main] f.a.ReferenceAnnotationBeanPostProcessor : Register dubbo reference bean: iService2 = ReferenceBean:com.ghy.www.api.IService2(loadbalance=roundrobin) at private com.ghy.www.api.IService2 com.ghy.www.my.loadbalance.consumer.javaconfig.JavaConfigDubbo.iService2
2021-08-12 17:54:22.058  INFO 12588 --- [           main] f.a.ReferenceAnnotationBeanPostProcessor : Register dubbo reference bean: iService3 = ReferenceBean:com.ghy.www.api.IService3(loadbalance=leastactive) at private com.ghy.www.api.IService3 com.ghy.www.my.loadbalance.consumer.javaconfig.JavaConfigDubbo.iService3
2021-08-12 17:54:22.076 ERROR 12588 --- [           main] o.s.boot.SpringApplication               : Application run failed

java.lang.RuntimeException: Prepare dubbo reference injection element failed
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.postProcessBeanFactory(ReferenceAnnotationBeanPostProcessor.java:153) ~[dubbo-3.0.1.jar:3.0.1]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:325) ~[spring-context-5.3.9.jar:5.3.9]
	at org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:191) ~[spring-context-5.3.9.jar:5.3.9]
	at org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:746) ~[spring-context-5.3.9.jar:5.3.9]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:564) ~[spring-context-5.3.9.jar:5.3.9]
	at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.3.jar:2.5.3]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-2.5.3.jar:2.5.3]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434) ~[spring-boot-2.5.3.jar:2.5.3]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:338) ~[spring-boot-2.5.3.jar:2.5.3]
	at org.springframework.boot.builder.SpringApplicationBuilder.run(SpringApplicationBuilder.java:143) ~[spring-boot-2.5.3.jar:2.5.3]
	at com.ghy.www.my.loadbalance.consumer.Application.main(Application.java:12) ~[classes/:na]
Caused by: java.lang.IllegalArgumentException: pairs must be even.
	at org.apache.dubbo.common.utils.CollectionUtils.toStringMap(CollectionUtils.java:192) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.reference.ReferenceCreator.convertStringArrayToMap(ReferenceCreator.java:332) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.reference.ReferenceBeanSupport.convertToString(ReferenceBeanSupport.java:151) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.reference.ReferenceBeanSupport.generateReferenceKey(ReferenceBeanSupport.java:117) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.registerReferenceBean(ReferenceAnnotationBeanPostProcessor.java:365) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.prepareInjection(ReferenceAnnotationBeanPostProcessor.java:317) ~[dubbo-3.0.1.jar:3.0.1]
	at org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor.postProcessBeanFactory(ReferenceAnnotationBeanPostProcessor.java:149) ~[dubbo-3.0.1.jar:3.0.1]
	... 10 common frames omitted

2021-08-12 17:54:22.078  INFO 12588 --- [           main] f.a.ReferenceAnnotationBeanPostProcessor : class org.apache.dubbo.config.spring.beans.factory.annotation.ReferenceAnnotationBeanPostProcessor was destroying!

Process finished with exit code 1

[dkisser]

Look at the document of @DubboReference

Customized parameter key-value pair, for example: {key1, value1, key2, value2} or {"key1=value1", "key2=value2"}

[startjava]

不对的  我的值自带,逗号   这是特殊之处  所以报错 发自我的iPhone

…

------------------ 原始邮件 ------------------ 发件人: WenChen ***@***.***> 发送时间: 2021年8月16日 21:05 收件人: apache/dubbo ***@***.***> 抄送: startjava ***@***.***>, Author ***@***.***> 主题: 回复：[apache/dubbo] Dubbo3.0.1好像有BUG,不太确定，发一下吧！ (#8489)

[kylixs]

It seems the problem has bean fixed: #8414