Hi All, Please find the PR [1] for documentation related changes.
[1] https://github.com/apache/synapse/pull/36 On Mon, Mar 30, 2020 at 10:17 PM Isuru Udana <isud...@gmail.com> wrote: > Hi Shafreen, > > This is a very useful feature. We'll review and merge the PR. > > Thanks. Regards > > On Sat, Mar 28, 2020 at 10:23 PM shafreen anfar <anfar.shafr...@gmail.com> > wrote: > >> Hi All, >> >> At the moment, current MFP implementation does not support retrying based >> on HTTP status codes. It only supports retrying for transport level >> failures but not for application level failures. As you know, in HTTP >> protocol, application level failures are distinguished using different >> status codes. In the case of MFP, it is important to be able to retry for >> 5xx server errors. But there also could be rare occasions in which retrying >> for 4xx and 3xx are useful. Especially when dealing with servers that do >> not follow HTTP protocol exactly as it is. >> >> Therefore, I have improved MFP implementation to support retrying based >> on the returned HTTP status code as well. Say, a user wants to retry for >> HTTP status codes 500 and 504 but not for any other HTTP status code. In >> that case user can configure the MFP as below. Please note the parameter in >> bold font which I have introduced along with this feature. >> >> <messageProcessor xmlns="http://ws.apache.org/ns/synapse"; >> >> class="org.apache.synapse.message.processors.forward.ScheduledMessageForwardingProcessor" >> name="Processor2" >> messageStore="JMSMS"> >> <parameter name="max.delivery.attempts">4</parameter> >> <parameter >> name="message.processor.reply.sequence">replySequence</parameter> >> <parameter name="interval">1000</parameter> >> *<parameter name="retry.http.status.codes">500, 504</parameter>* >> </messageProcessor> >> >> Please not that the above parameter does not come to effect in case of >> out-only. Implementation of this feature can be found in [1]. Once this is >> merged, I am planning to send another PR for the required documentation >> changes. >> >> [1] https://github.com/apache/synapse/pull/32 >> >> Thanks, >> Shafreen >> > > > -- > *Isuru Udana* > Associate Director/Architect > > > > *; WSO2 Inc.; http://wso2.com <http://wso2.com>email: isud...@gmail.com > <isud...@gmail.com> * > > >
