yhs0092 opened a new issue #2657:
URL: https://github.com/apache/servicecomb-java-chassis/issues/2657
特定的microservice.yaml配置错误会触发`YAMLUtil`加载配置文件报错, 复现用例如下:
```yaml
servicecomb:
local:
registry:
enabled: {{true}}
```
`YAMLUtil` 会误以为`{{true}}`是一个配置层级,
形成key为`LinkedHashMap`而value为`null`的一个配置map, 导致报错. 异常会击穿Java-Chassis 的配置文件加载逻辑,
导致本应打印的 microservice.yaml 文件扫描列表不打了, 不利于问题排查.
测试发现 1.3.6 和 2.3.6 版本的Java-Chassis均有此问题.
建议框架侧优化一下相关逻辑, 在加载失败时打出相关配置文件位置, 便于定位问题.
另外, 希望这个优化能够同步到 1.3 版本分支, 多谢 : )
异常栈如下:
```
org.springframework.beans.factory.BeanCreationException: Error creating bean
with name 'org.apache.servicecomb.core.ConfigurationSpringInitializer#0'
defined in URL
[jar:file:/D:/maven/repository_yunlong/com/huawei/wisecloud/nuwa/nuwa-cse-foundation/3.1.0.001-SNAPSHOT/nuwa-cse-foundation-3.1.0.001-SNAPSHOT.jar!/libs/java-chassis-core-2.3.6.jar!/META-INF/spring/cse.bean.xml]:
Initialization of bean failed; nested exception is
java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to
java.lang.String
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:602)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:516)
at
org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:324)
at
org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:234)
at
org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:322)
at
org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:207)
at
org.springframework.context.support.PostProcessorRegistrationDelegate.invokeBeanFactoryPostProcessors(PostProcessorRegistrationDelegate.java:155)
at
org.springframework.context.support.AbstractApplicationContext.invokeBeanFactoryPostProcessors(AbstractApplicationContext.java:707)
at
org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:533)
... 省略部分业务异常栈 ...
Caused by: java.lang.ClassCastException: java.util.LinkedHashMap cannot be
cast to java.lang.String
at
org.apache.servicecomb.config.YAMLUtil.retrieveItems(YAMLUtil.java:101)
at
org.apache.servicecomb.config.YAMLUtil.retrieveItems(YAMLUtil.java:99)
at
org.apache.servicecomb.config.YAMLUtil.retrieveItems(YAMLUtil.java:99)
at
org.apache.servicecomb.config.YAMLUtil.retrieveItems(YAMLUtil.java:99)
at
org.apache.servicecomb.config.YAMLUtil.retrieveItems(YAMLUtil.java:99)
at
org.apache.servicecomb.config.YAMLUtil.lambda$yaml2Properties$0(YAMLUtil.java:59)
at java.lang.Iterable.forEach(Iterable.java:75)
at
org.apache.servicecomb.config.YAMLUtil.yaml2Properties(YAMLUtil.java:57)
at
org.apache.servicecomb.config.archaius.sources.YAMLConfigLoader.loadData(YAMLConfigLoader.java:31)
at
org.apache.servicecomb.config.archaius.sources.AbstractConfigLoader.load(AbstractConfigLoader.java:57)
at
org.apache.servicecomb.config.archaius.sources.AbstractConfigLoader.loadFromClassPath(AbstractConfigLoader.java:51)
at
org.apache.servicecomb.config.archaius.sources.AbstractConfigLoader.load(AbstractConfigLoader.java:45)
at
org.apache.servicecomb.config.archaius.sources.MicroserviceConfigLoader.loadAndSort(MicroserviceConfigLoader.java:59)
at
org.apache.servicecomb.config.ConfigUtil.createLocalConfig(ConfigUtil.java:119)
at
org.apache.servicecomb.core.ConfigurationSpringInitializer.ignoreResolveFailure(ConfigurationSpringInitializer.java:339)
at
org.apache.servicecomb.core.ConfigurationSpringInitializer.getAllProperties(ConfigurationSpringInitializer.java:295)
at
org.apache.servicecomb.core.ConfigurationSpringInitializer.syncFromSpring(ConfigurationSpringInitializer.java:149)
at
org.apache.servicecomb.core.ConfigurationSpringInitializer.setEnvironment(ConfigurationSpringInitializer.java:115)
at
org.springframework.context.support.ApplicationContextAwareProcessor.invokeAwareInterfaces(ApplicationContextAwareProcessor.java:108)
at
org.springframework.context.support.ApplicationContextAwareProcessor.postProcessBeforeInitialization(ApplicationContextAwareProcessor.java:100)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:415)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1791)
at
org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:594)
... 29 more
```
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