Bug 544181 - Unhelpful "protocol doesn't support output"
Summary: Unhelpful "protocol doesn't support output"
Status: NEW
Alias: None
Product: Platform
Classification: Eclipse Project
Component: Runtime (show other bugs)
Version: 4.11   Edit
Hardware: PC Windows 10
: P3 enhancement (vote)
Target Milestone: ---   Edit
Assignee: platform-runtime-inbox CLA
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Reported: 2019-02-06 08:08 EST by Ed Willink CLA
Modified: 2019-02-06 08:08 EST (History)
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Description Ed Willink CLA 2019-02-06 08:08:46 EST 
Bad stream creates can hit URLConnection.getOutputStream()

      throw new UnknownServiceException("protocol doesn't support output");

By the time this gets back to a user/developer the abstract error message is hard to diagnose. What was the bad protocol?

It would be helpful if e.g. PlatformURLPluginConnection had an override such as

     throw new UnknownServiceException("platform:/plugin protocol doesn't support output");