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Posted to issues@servicecomb.apache.org by "yangyongzheng (JIRA)" <ji...@apache.org> on 2018/05/09 00:57:00 UTC
[jira] [Created] (SCB-562) Java Chassis will throw NPE when
producer impl do not contain any method
yangyongzheng created SCB-562:
---------------------------------
Summary: Java Chassis will throw NPE when producer impl do not contain any method
Key: SCB-562
URL: https://issues.apache.org/jira/browse/SCB-562
Project: Apache ServiceComb
Issue Type: Bug
Components: Java-Chassis
Affects Versions: java-chassis-1.0.0-m1
Reporter: yangyongzheng
Fix For: java-chassis-1.0.0-m2
If a producer impl do not contain any method like :
```java
@RestSchema(schemaId = "hello")
@Path("/")
public class HelloImpl {
}
```
Then an NPE will throw when startup:
2018-05-09 08:50:04,333 [ERROR] cse init failed,
Exception: java.lang.NullPointerException; null
java.lang.NullPointerException
at org.apache.servicecomb.swagger.generator.core.utils.ClassUtils.createInterface(ClassUtils.java:212)
at org.apache.servicecomb.swagger.generator.core.utils.ClassUtils.getOrCreateInterface(ClassUtils.java:203)
at org.apache.servicecomb.swagger.generator.core.utils.ClassUtils.getOrCreateInterface(ClassUtils.java:182)
at org.apache.servicecomb.core.definition.schema.AbstractSchemaFactory.generateSwagger(AbstractSchemaFactory.java:112)
at org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.createSchema(ProducerSchemaFactory.java:110)
at org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.createSchema(ProducerSchemaFactory.java:47)
at org.apache.servicecomb.core.definition.schema.AbstractSchemaFactory.getOrCreateSchema(AbstractSchemaFactory.java:65)
at org.apache.servicecomb.core.definition.schema.ProducerSchemaFactory.getOrCreateProducerSchema(ProducerSchemaFactory.java:80)
at org.apache.servicecomb.provider.rest.common.RestProducerProvider.init(RestProducerProvider.java:48)
at org.apache.servicecomb.core.provider.producer.ProducerProviderManager.init(ProducerProviderManager.java:45)
at org.apache.servicecomb.core.CseApplicationListener.onApplicationEvent(CseApplicationListener.java:118)
at org.springframework.context.event.SimpleApplicationEventMulticaster.invokeListener(SimpleApplicationEventMulticaster.java:166)
at org.springframework.context.event.SimpleApplicationEventMulticaster.multicastEvent(SimpleApplicationEventMulticaster.java:138)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:383)
at org.springframework.context.support.AbstractApplicationContext.publishEvent(AbstractApplicationContext.java:337)
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:882)
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:545)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:139)
at org.springframework.context.support.ClassPathXmlApplicationContext.<init>(ClassPathXmlApplicationContext.java:93)
at org.apache.servicecomb.foundation.common.utils.BeanUtils.init(BeanUtils.java:37)
at org.apache.servicecomb.foundation.common.utils.BeanUtils.init(BeanUtils.java:33)
at io.demo.Application.main(Application.java:40)
org.apache.servicecomb.core.CseApplicationListener.onApplicationEvent(CseApplicationListener.java:145)
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