WSO2 EI - 6.6.0 https 请求 CLOSE_WAIT

Question

I have a problem with wso2 EI 6.6.0. I send a https request to wso2 (soap proxy services) with a connection:close header. calls the endpoint and returns a response to the client. problem is - the connection remains in the close_wait state on the server (linux) (telnet | grep CLOSE_WAIT) and with each new call, the number of connections in the close_wait state will increase.

only solution is add this parameters to service.

<header action="remove" name="connection:close" scope="transport"/>
     <header action="remove" name="connection" scope="transport"/>
     <property action="remove" name="connection" scope="axis2"/>

but it's not perfect because I must to modify all the services. is there a solution how to set this at the wso2 level? is this a bug in wso2 or axis?

thanks

Answer 1

I'm not really sure how the Connection: Close header is causing this issue and how removing it from synapse runtime resolves it.

But to answer your question, to intercept requests coming into WSO2 EI you can write a custom synapse handler . You can then engage it per service or globally.

On a side note have a look at HTTP tuning parameters as well, https://docs.wso2.com/display/EI660/Tuning+the+HTTP+Transport