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https://issues.apache.org/jira/browse/SLING-1708?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12910139#action_12910139
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Olaf Otto commented on SLING-1708:
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Well, this does work, in a sense of including yet another resource, however
this includes the result of the call to the script.
#include would insert the unevaluated velocity code and expose all variables
and macro definitions of the included resource, $sling.include() does not.
> contrib/scripting/velocity is missing suitable resourceloader for the JCR
> -------------------------------------------------------------------------
>
> Key: SLING-1708
> URL: https://issues.apache.org/jira/browse/SLING-1708
> Project: Sling
> Issue Type: Bug
> Components: Scripting
> Environment: Felix 1.4, Sling 2.0.7, Apache Velocity 1.6.2
> Reporter: Olaf Otto
> Fix For: Scripting Velocity 2.0.0
>
> Original Estimate: 4h
> Remaining Estimate: 4h
>
> Affects: Rev. 989119 of
> https://svn.apache.org/repos/asf/sling/trunk/contrib/scripting/velocity
> (2.0.0-SNAPSHOT)
> The velocity resource manager
> (org.apache.velocity.runtime.resource.ResourceManagerImpl) has, by default,
> only an org.apache.velocity.runtime.resource.loader.FileResourceLoader
> instance. This resourceloader cannot load resources JCR resources as it
> attempts to access the filesystem.
> To reproduce, simply create a .vlt script and add an include directive:
> template1.vlt:
> #include("/path/to/template2.vlt")
> This will fail:
> org.apache.velocity.exception.ResourceNotFoundException: Unable to find
> resource '/path/to/template2.vlt'
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.loadResource(ResourceManagerImpl.java:483)
> at
> org.apache.velocity.runtime.resource.ResourceManagerImpl.getResource(ResourceManagerImpl.java:354)
> at
> org.apache.velocity.runtime.RuntimeInstance.getContent(RuntimeInstance.java:1445)
> at
> org.apache.velocity.runtime.directive.Include.renderOutput(Include.java:229)
> at
> org.apache.velocity.runtime.directive.Include.render(Include.java:155)
> at
> org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
> at
> org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
> at
> org.apache.velocity.runtime.RuntimeInstance.render(RuntimeInstance.java:1277)
> at
> org.apache.velocity.runtime.RuntimeInstance.evaluate(RuntimeInstance.java:1216)
> A suitable resource loader should be provided to the VelocityEngine instance
> (perhaps in the VelocityTemplatesScriptEngine).
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