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Posted to notifications@linkis.apache.org by "guoshupei (via GitHub)" <gi...@apache.org> on 2023/02/06 10:12:12 UTC
[GitHub] [linkis] guoshupei opened a new issue, #4153: [Bug] Linkis gateway throw 500 Server Error
guoshupei opened a new issue, #4153:
URL: https://github.com/apache/linkis/issues/4153
### Search before asking
- [X] I searched the [issues](https://github.com/apache/linkis/issues) and found no similar issues.
### Linkis Component
linkis-spring-cloud-services
### Steps to reproduce
error log: 500 Server Error for HTTP POST "/api/rest_j/v1/entrance/submit" java.util.NoSuchElementException: None.get
### Expected behavior
no error
### Your environment
<!-- Please describe the linkis version you are using and basic environment information -->
<!-- 请描述您使用的linkis版本和基本环境信息 -->
- Linkis version used: 1.3.2
### Anything else
_No response_
### Are you willing to submit a PR?
- [X] Yes I am willing to submit a PR!
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[GitHub] [linkis] guoshupei commented on issue #4153: [Bug] Linkis gateway throw 500 Server Error
Posted by "guoshupei (via GitHub)" <gi...@apache.org>.
guoshupei commented on issue #4153:
URL: https://github.com/apache/linkis/issues/4153#issuecomment-1418844487
The root cause is that the ribbon's ServerList is not refreshed in time
First, you can add default handling of `super.choose(serviceInstance.getApplicationName, hint)`
```
override def choose(serviceId: String, hint: Any): client.ServiceInstance = {
if (isMergeModuleInstance(serviceId)) {
val serviceInstance = getServiceInstance(serviceId)
logger.info("redirect to " + serviceInstance)
val lb = this.getLoadBalancer(serviceInstance.getApplicationName)
val serverOption =
lb.getAllServers.asScala.find(_.getHostPort == serviceInstance.getInstance)
if (serverOption.isDefined) {
val server = serverOption.get
new RibbonLoadBalancerClient.RibbonServer(
serviceId,
server,
isSecure(server, serviceId),
serverIntrospectorFun(serviceId).getMetadata(server)
)
} else {
logger.warn("RibbonLoadBalancer not have Server, execute default super choose method" + serviceInstance)
super.choose(serviceInstance.getApplicationName, hint)
}
} else super.choose(serviceId, hint)
}
```
Second, you can shorten the refresh time in `application-linkis.yml`, default 30s
```
ribbon:
ServerListRefreshInterval: 10000
```
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[GitHub] [linkis] github-actions[bot] commented on issue #4153: [Bug] Linkis gateway throw 500 Server Error
Posted by "github-actions[bot] (via GitHub)" <gi...@apache.org>.
github-actions[bot] commented on issue #4153:
URL: https://github.com/apache/linkis/issues/4153#issuecomment-1418832059
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[GitHub] [linkis] casionone closed issue #4153: [Bug] Linkis gateway throw 500 Server Error
Posted by "casionone (via GitHub)" <gi...@apache.org>.
casionone closed issue #4153: [Bug] Linkis gateway throw 500 Server Error
URL: https://github.com/apache/linkis/issues/4153
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