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From cestella <>
Subject [GitHub] incubator-metron pull request #333: METRON-249: Field Transformation functio...
Date Mon, 31 Oct 2016 20:20:52 GMT
Github user cestella commented on a diff in the pull request:
    --- Diff: metron-platform/metron-common/src/main/java/org/apache/metron/common/dsl/functions/
    @@ -232,10 +237,15 @@ private static URL toUrl(Object urlObj) {
         if(urlObj == null) {
           return null;
    -    try {
    -      return new URL(urlObj.toString());
    -    } catch (MalformedURLException e) {
    -      return null;
    +    if(urlObj instanceof String) {
    +      try {
    +        return new URL(urlObj.toString());
    +      } catch (MalformedURLException e) {
    --- End diff --
    I'm treating a distinction here between a type or syntactic error which is likely a configuration
error and should be immediately percolated up versus a semantic error (the data is malformed,
but still of the proper type) which should be allowed to pass.  It's not necessarily an error.
 You could have a source which contains a `url` field which is not populated or populated
with a default value, so you'd expect the processed fields to also be null.

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