{"action":"opened","issue":{"url":"https://api.github.com/repos/apache/incubator-dubbo/issues/2350","repository_url":"https://api.github.com/repos/apache/incubator-dubbo","labels_url":"https://api.github.com/repos/apache/incubator-dubbo/issues/2350/labels{/name}","comments_url":"https://api.github.com/repos/apache/incubator-dubbo/issues/2350/comments","events_url":"https://api.github.com/repos/apache/incubator-dubbo/issues/2350/events","html_url":"https://github.com/apache/incubator-dubbo/issues/2350","id":354160345,"node_id":"MDU6SXNzdWUzNTQxNjAzNDU=","number":2350,"title":"Error running demo","user":{"login":"yejunyu","id":15681491,"node_id":"MDQ6VXNlcjE1NjgxNDkx","avatar_url":"https://avatars3.githubusercontent.com/u/15681491?v=4","gravatar_id":"","url":"https://api.github.com/users/yejunyu","html_url":"https://github.com/yejunyu","followers_url":"https://api.github.com/users/yejunyu/followers","following_url":"https://api.github.com/users/yejunyu/following{/other_user}","gists_url":"https://api.github.com/users/yejunyu/gists{/gist_id}","starred_url":"https://api.github.com/users/yejunyu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yejunyu/subscriptions","organizations_url":"https://api.github.com/users/yejunyu/orgs","repos_url":"https://api.github.com/users/yejunyu/repos","events_url":"https://api.github.com/users/yejunyu/events{/privacy}","received_events_url":"https://api.github.com/users/yejunyu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-08-27T02:38:39Z","updated_at":"2018-08-27T02:38:39Z","closed_at":null,"author_association":"NONE","body":"### Environment\r\n\r\n* Dubbo version: master\r\n* Operating System version: 4.9.0-deepin13-amd64 #1 SMP PREEMPT Deepin 4.9.57-1 (2017-10-19) x86_64 GNU/Linux\r\n* Java version: 1.8.0_161\r\n\r\n### Step to reproduce this issue\r\nif i didn't write `<dubbo:consumer client=\"netty4\"></dubbo:consumer>` in `dubbo-demo-consumer.xml`,\r\nthis program will report an error\r\n\r\n>https://github.com/apache/incubator-dubbo/tree/master/dubbo-demo/\r\n\r\nIf there is an exception, please attach the exception trace:\r\n\r\n![](http://oqb4aabpb.bkt.clouddn.com/18-8-27/3496952.jpg)\r\n"}}
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