[jira] [Updated] (CAMEL-10038) BlueprintPropertiesParser breaks propertyPlaceholder fallbackToUnaugmentedProperty behavior

["Matthew Zipay (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-10038?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matthew Zipay updated CAMEL-10038:
----------------------------------
    Attachment: fix_BlueprintPropertiesParser_fallbackToUnaugmentedProperty.patch
                example.bpp.fallback.cfg
                camel-context.xml

Here is an example Camel context and properties file that demonstrate the problem and one possible workaround.

Also attached is a patch (but it is *UNTESTED* at the moment).


> BlueprintPropertiesParser breaks propertyPlaceholder fallbackToUnaugmentedProperty behavior
> -------------------------------------------------------------------------------------------
>
>                 Key: CAMEL-10038
>                 URL: https://issues.apache.org/jira/browse/CAMEL-10038
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-blueprint
>    Affects Versions: 2.15.1
>         Environment: Camel 2.15.1.redhat-620133
> JBoss Fuse 6.2.0.redhat-133
> openjdk version "1.8.0_45"
> OpenJDK Runtime Environment (build 1.8.0_45-b13)
> OpenJDK 64-Bit Server VM (build 25.45-b02, mixed mode)
> Linux 3.10.0-229.1.2.el7.x86_64 #1 SMP Fri Mar 6 17:12:08 EST 2015 x86_64 GNU/Linux (RHEL 7)
>            Reporter: Matthew Zipay
>            Assignee: Grzegorz Grzybek
>            Priority: Minor
>              Labels: patch
>         Attachments: camel-context.xml, example.bpp.fallback.cfg, fix_BlueprintPropertiesParser_fallbackToUnaugmentedProperty.patch
>
>
> When BlueprintPropertiesParser parses an "augmented" property key that is not found (i.e. value is null), it does not return the null value so that the fallbackToUnaugmentedProperty="true" (default) behavior can run. Instead, it immediately throws an IllegalArgumentException.
> As a result, it appears to be impossible to take advantage of fallbackToUnaugmentedProperty="true" behavior when using the Blueprint properties resolver/parser.
> I discovered this against Red Hat's JBoss Fuse impl of Camel, but am reporting it here because it appears to be a bug in base Camel. More details in comments.



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