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Joiner plugin fails to generate schema if incoming nodes have '&'

Description

  • Import the attached pipeline

  • Open the TX joiner plugin

  • Rename the plugin label to be TX & something

  • Open TX and Store plugin and generate schema

After the last step UI shows an error.  Once the `&` in the joiner plugin is removed things work fine.

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Ajai Narayanan May 1, 2019 at 8:51 PM

As a temporary solution have added an error message that we show in UI when input stages have &, . or = in their names. https://github.com/cdapio/cdap/pull/11316

Albert Shau May 1, 2019 at 5:12 PM

A similar issue will happen if '=' is in the stage name.

The most complete fix would be to change the plugin to have a non-ambiguous way to take the same information in, such as through a stringified json object. But then both backend and frontend would have to support both formats.

A shorter term hacky fix would be for the UI to check for special characters that the joiner does not support and error out, asking the user to rename those stages.

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Created February 27, 2019 at 1:46 AM
Updated May 23, 2019 at 2:27 AM
Resolved May 3, 2019 at 12:21 AM
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