- [x] I have searched the [issues](https://github.com/apache/incubator-dubbo/issues) of this repository and believe that this is not a duplicate. - [x] I have checked the [FAQ](https://github.com/apache/incubator-dubbo/blob/master/FAQ.md) of this repository and believe that this is not a duplicate.
### Environment * Dubbo version: master branch * Operating System version: xxx * Java version: xxx ### Steps to reproduce this issue Travis-cli has a 4MB hard limit of log size [1]. Currently, our Travis log[2] is about 3.98MB, we are almost there. We can reduce some trivial log in the console output, but keep a full log in the local file. For example, test case `org.apache.dubbo.rpc.validation.ValidationTest` eats about 1.3MB in travis log. We can start from here. [1]. https://docs.travis-ci.com/user/common-build-problems/#log-length-exceeded [2]. https://api.travis-ci.org/v3/job/484750418/log.txt Pls. provide [GitHub address] to reproduce this issue. ### Expected Result What do you expected from the above steps？ ### Actual Result What actually happens? If there is an exception, please attach the exception trace: ``` Just put your stack trace here! ``` [ Full content available at: https://github.com/apache/incubator-dubbo/issues/3361 ] This message was relayed via gitbox.apache.org for [email protected]
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