[tahoe-lafs-trac-stream] [tahoe-lafs] #974: provide user-friendly error message if the CLI can't connect to the gateway

[tahoe-lafs]

#974: provide user-friendly error message if the CLI can't connect to the gateway
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     Reporter:  zooko       |      Owner:  guyzmo
         Type:  defect      |     Status:  new
     Priority:  major       |  Milestone:  1.9.0
    Component:  code-       |    Version:  1.6.0
  frontend-cli              |   Keywords:  usability easy error test-needed
   Resolution:              |
Launchpad Bug:              |
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Comment (by davidsarah):

 guyzmo's patch only reports the error for the {{{tahoe add-alias}}}
 command. To avoid having to change code in all the CLI commands, a better
 approach would be to change
 [source:src/allmydata/scripts/common_http.py at 4538#L30 do_http] to throw an
 exception that includes the node URL in its message.

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Ticket URL: <http://tahoe-lafs.org/trac/tahoe-lafs/ticket/974#comment:11>
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