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Posted to notifications@dubbo.apache.org by GitBox <gi...@apache.org> on 2021/11/09 02:28:59 UTC
[GitHub] [dubbo] HaoLi-Rainbow opened a new issue #9238: dubbo 服务端应用 hutool 的 List> 之后启动报错
HaoLi-Rainbow opened a new issue #9238:
URL: https://github.com/apache/dubbo/issues/9238
# dubbo 服务端应用 hutool 的 List<Tree<String>> 之后启动报错
1. pom坐标
```xml <!-- Dubbo Spring Boot Starter -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter</artifactId>
<version>2.3.5.RELEASE</version>
</dependency>
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.4.5</version>
</dependency>
<!-- Dubbo Spring Boot Starter -->
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo-spring-boot-starter</artifactId>
<version>2.7.9</version>
</dependency>
<dependency>
<groupId>org.apache.dubbo</groupId>
<artifactId>dubbo-registry-nacos</artifactId>
<version>2.7.9</version>
</dependency>
<!--End Dubbo-->
```
2. 错误代码
```java
package com.***.comn.service.budgetItem;
import cn.hutool.core.lang.tree.Tree;
import java.util.List;
/**
*
* @author lihao3
*/
public interface IFinanceBudgetItemSV {
/**
* 树形菜单
*
* @return
*/
List<Tree<String>> selectTreeBudgetItems();
}
```
3. 异常信息
```java
2021-10-28 11:27:38.538 ERROR 23176 --- [ main] o.s.boot.SpringApplication : Application run failed
java.lang.IllegalArgumentException: [ServiceDefinitionBuilder] Map type [cn.hutool.core.lang.tree.Tree<java.lang.String>] with unexpected amount of arguments [[Ljava.lang.reflect.Type;@7214e319].[class java.lang.String]
at org.apache.dubbo.metadata.definition.builder.MapTypeBuilder.build(MapTypeBuilder.java:56)
at org.apache.dubbo.metadata.definition.TypeDefinitionBuilder.build(TypeDefinitionBuilder.java:52)
at org.apache.dubbo.metadata.definition.builder.CollectionTypeBuilder.build(CollectionTypeBuilder.java:61)
at org.apache.dubbo.metadata.definition.TypeDefinitionBuilder.build(TypeDefinitionBuilder.java:52)
at org.apache.dubbo.metadata.definition.TypeDefinitionBuilder.build(TypeDefinitionBuilder.java:81)
at org.apache.dubbo.metadata.definition.ServiceDefinitionBuilder.build(ServiceDefinitionBuilder.java:83)
at org.apache.dubbo.metadata.definition.ServiceDefinitionBuilder.build(ServiceDefinitionBuilder.java:44)
at org.apache.dubbo.registry.client.metadata.store.InMemoryWritableMetadataService.publishServiceDefinition(InMemoryWritableMetadataService.java:175)
at org.apache.dubbo.registry.client.metadata.MetadataUtils.publishServiceDefinition(MetadataUtils.java:66)
at org.apache.dubbo.config.ServiceConfig.doExportUrlsFor1Protocol(ServiceConfig.java:512)
at org.apache.dubbo.config.ServiceConfig.doExportUrls(ServiceConfig.java:331)
at org.apache.dubbo.config.ServiceConfig.doExport(ServiceConfig.java:306)
at org.apache.dubbo.config.ServiceConfig.export(ServiceConfig.java:207)
at org.apache.dubbo.config.bootstrap.DubboBootstrap.lambda$exportServices$14(DubboBootstrap.java:1095)
at org.apache.dubbo.config.bootstrap.DubboBootstrap$$Lambda$1318/0x0000000000000000.accept(Unknown Source)
at java.util.HashMap$Values.forEach(HashMap.java:981)
at org.apache.dubbo.config.bootstrap.DubboBootstrap.exportServices(DubboBootstrap.java:1082)
at org.apache.dubbo.config.bootstrap.DubboBootstrap.start(DubboBootstrap.java:896)
at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onContextRefreshedEvent(DubboBootstrapApplicationListener.java:62)
at org.apache.dubbo.config.spring.context.DubboBootstrapApplicationListener.onApplicationContextEvent(DubboBootstrapApplicationListener.java:55)
at com.alibaba.spring.context.OnceApplicationContextEventListener.onApplicationEvent(OnceApplicationContextEventListener.java:52)
at org.springframework.context.event.SimpleApplicationEventMulticaster.doInvokeListener(SimpleApplicationEventMulticaster.java:172)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:165)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:139)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:404)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:361)
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:898)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:554)
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:143)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:758)
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:750)
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:405)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:315)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1237)
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1226)
at com.wison.comn.ComnWebApplication.main(ComnWebApplication.java:16)
2021-10-28 11:27:40.281 INFO 23176 --- [.naming.updater] c.a.n.client.identify.CredentialWatcher : null No credential found
2021-10-28 11:27:40.281 INFO 23176 --- [.naming.updater] c.a.n.client.identify.CredentialWatcher : null No credential found
```
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[GitHub] [dubbo] AlbumenJ commented on issue #9238: dubbo 服务端应用 hutool 的 List> 之后启动报错
Posted by GitBox <gi...@apache.org>.
AlbumenJ commented on issue #9238:
URL: https://github.com/apache/dubbo/issues/9238#issuecomment-963775614
可以升级到 Dubbo 3.0 会忽略掉这个错误，或者不使用 Tree 这个对象，Tree 继承了 LinkedHashMap<String, Object>，但是把泛型类型给修改了，导致 Dubbo 将这个类识别成了 Map 都是无法取出真实泛型
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