[jira] [Created] (NIFI-3125) Cannot access custom properties from expression language

[Alec Wenzowski (JIRA)]

Alec Wenzowski created NIFI-3125:
------------------------------------

             Summary: Cannot access custom properties from expression language
                 Key: NIFI-3125
                 URL: https://issues.apache.org/jira/browse/NIFI-3125
             Project: Apache NiFi
          Issue Type: Bug
          Components: Core Framework
    Affects Versions: 1.1.0
         Environment: $ sw_vers
ProductName:    Mac OS X
ProductVersion: 10.12.1
BuildVersion:   16B2555
            Reporter: Alec Wenzowski


Given a `nifi.properties` configured with the following
```
nifi.variable.registry.properties=./conf/service.properties
```

And a `service.properties` with
```
nifi.service.api_key=pony_foo
```

Upon booting nifi and inspecting `logs/nifi-app.log` I see
```
745:2016-11-29 19:12:47,020 INFO [main] o.a.nifi.util.FileBasedVariableRegistry 
Loaded 1 properties from './conf/service.properties'
```

Yet when I configure a `GetHTTP` processor with its Username property set to 
the Value `${nifi.service.api_key}` it issues HTTP requests without 
authentication–the configured HTTP Basic Authentication username of `pony_foo` 
is not used–and behaves as if the `{$nifi.service.api_key}` value has not been 
set.



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