Yes, we need to investigate it further. I take a brief look at the test. It doesn't look like a concurrency issue. Since this module is a simple integration for Hessian RPC, I am wondering if it's a bug from Hessian 4 itself. I will file an issue to track it anyway.
On Mon, Apr 16, 2018 at 10:29 AM, Huxing Zhang <hux...@apache.org> wrote: > Hi, > > I can reproduce this issue occasionally on my MacOS 10.13.4 with Java 10. > > But when I run com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest > individually, it is hardly to be reproduced. > > Not familiar with hessian protocol, no idea what is going on there. > > On Thu, Apr 12, 2018 at 8:57 AM, hty...@gmail.com <hty...@gmail.com> > wrote: > > hey team, > > > > I notice two fail for HessianProtocolTest in travis CI. but it will pass > next time if you trigger CI again. > > > > The fail test file is > > com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest > and console logs: > > Tests run: 5, Failures: 0, Errors: 2, Skipped: 0, Time elapsed: 2.609 > sec <<< FAILURE! - in com.alibaba.dubbo.rpc.protocol.hessian. > HessianProtocolTest > > testHttpClient(com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest) > Time elapsed: 0.662 sec <<< ERROR! > > com.caucho.hessian.client.HessianRuntimeException: com.caucho.hessian.io > .HessianProtocolException: 'ï¿¿' is an unknown code > > at com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest. > testHttpClient(HessianProtocolTest.java:83) > > Caused by: com.caucho.hessian.io.HessianProtocolException: 'ï¿¿' is an > unknown code > > at com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest. > testHttpClient(HessianProtocolTest.java:83) > > > > testHessianProtocol(com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest) > Time elapsed: 0.004 sec <<< ERROR! > > com.caucho.hessian.client.HessianRuntimeException: com.caucho.hessian.io > .HessianProtocolException: 'ï¿¿' is an unknown code > > at com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest. > testHessianProtocol(HessianProtocolTest.java:48) > > Caused by: com.caucho.hessian.io.HessianProtocolException: 'ï¿¿' is an > unknown code > > at com.alibaba.dubbo.rpc.protocol.hessian.HessianProtocolTest. > testHessianProtocol(HessianProtocolTest.java:48 > > > > For now, I can only reproduce this issue in travis ci with jdk9 (refer > to logs: https://api.travis-ci.org/v3/job/365133362/log.txt). I also did > some test with my own machine: > > > > Mac 10.13.2 with Jdk7, Jdk8 and Jdk9 can't reproduce this issue > > Window 8 with jdk8 can reproduce this issue, I run test 1000 times, 247 > of them are fail. > > > > The only thing I can think about is hessian.overload.method config for > hessian protocol. After I set this value to true in test. I can't reproduce > this issue both in travis ci(refer to https://api.travis-ci.org/v3/ > job/365152345/log.txt) and my own machine. > > > > It maybe a potential code issue or some unit test issue. But anyway I > think it's something need to investigate. > > > > Any thoughts? > > > > > > > > -- > Best Regards！ > Huxing >
