Exception occurred in TargetHandler : Connection reset by peer

[kiwinesian]

Description:
After posting to SharePoint Online, I received the following error messages - and can't post to SharePoint Online for a little while after that.

INFO {org.wso2.transport.http.netty.contractimpl.sender.TargetHandler} - Exception occurred in TargetHandler : Connection reset by peer 
INFO {org.wso2.transport.http.netty.contractimpl.sender.TargetHandler} - Exception occurred in TargetHandler : Connection reset by peer 
INFO {org.wso2.transport.http.netty.contractimpl.sender.TargetHandler} - Exception occurred in TargetHandler : Connection reset by peer 

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Affected Product Version:
1.1.0

OS, DB, other environment details and versions:

Steps to reproduce:

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