Hi David,

sorry for coming back so late but I was sick yesterday.

That one was indeed the problem I experienced, which the latest commits solved.

Thanks as always for the prompt notifications

Alessandro


On 2/8/12 9:07 AM, David Riccitelli wrote:
Is it possible that the EnginesTracker looks for an engine name using this
property  'stanbol.enhancer.engine.name' which is null or empty in the
refactor engine?

Ciao,
David

On Wed, Feb 8, 2012 at 9:47 AM, David Riccitelli<[email protected]>  wrote:

Hi Rupert,

When opening the Html interface an exception is printed on the page (see
attached screenshot) as well as in the logs. I think the meaningful part is
this (hope this helps understand the root cause):

Caused by: java.lang.IllegalArgumentException: The parsed name MUST NOT be
NULL or empty
         at
org.apache.stanbol.enhancer.servicesapi.helper.EnginesTracker.getReference(EnginesTracker.java:241)
         at
org.apache.stanbol.enhancer.servicesapi.helper.EnginesTracker.getEngine(EnginesTracker.java:300)
         at
org.apache.stanbol.enhancer.chain.allactive.impl.AllActiveEnginesChain.update(AllActiveEnginesChain.java:161)
         at
org.apache.stanbol.enhancer.chain.allactive.impl.AllActiveEnginesChain.getExecutionPlan(AllActiveEnginesChain.java:113)
         at
org.apache.stanbol.enhancer.jersey.resource.EnhancerRootResource.getExecutionNodes(EnhancerRootResource.java:143)
         ... 74 more


This is the full stack-trace:

08.02.2012 07:43:24.254 *ERROR* [6096042@qtp-1253587936-15]
org.apache.stanbol.commons.web.base.processor.FreemarkerViewProcessor Error
processing freemarker template @ org/apache/stanbol/enhance
r/jersey/resource/EnhancerRootResource/index.ftl: get(executionNodes)
failed on instance of
org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource
get(executionNodes) failed on instance of
org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource
The problematic instruction:
----------
==>  if-else  [on line 23, column 1 in
org/apache/stanbol/enhancer/jersey/resource/EnhancerRootResource/index.ftl]
  in user-directive common.page [on line 19, column 1 in
org/apache/stanbol/enhancer/jersey/resource/EnhancerRootResource/index.ftl]
----------

Java backtrace for programmers:
----------
freemarker.template.TemplateModelException: get(executionNodes) failed on
instance of org.apache.stanbol.enhancer.jersey.resource.EnginesRootResource
         at freemarker.ext.beans.BeanModel.get(BeanModel.java:223)
*   (...)*
         at
org.apache.stanbol.commons.web.base.processor.FreemarkerViewProcessor.writeTo(FreemarkerViewProcessor.java:219)
         at
org.apache.stanbol.commons.web.base.processor.FreemarkerViewProcessor.writeTo(FreemarkerViewProcessor.java:73)
*   (...)*
Caused by: java.lang.reflect.InvocationTargetException
*   (...)*
Caused by: java.lang.IllegalArgumentException: The parsed name MUST NOT be
NULL or empty
         at
org.apache.stanbol.enhancer.servicesapi.helper.EnginesTracker.getReference(EnginesTracker.java:241)
         at
org.apache.stanbol.enhancer.servicesapi.helper.EnginesTracker.getEngine(EnginesTracker.java:300)
         at
org.apache.stanbol.enhancer.chain.allactive.impl.AllActiveEnginesChain.update(AllActiveEnginesChain.java:161)
         at
org.apache.stanbol.enhancer.chain.allactive.impl.AllActiveEnginesChain.getExecutionPlan(AllActiveEnginesChain.java:113)
         at
org.apache.stanbol.enhancer.jersey.resource.EnhancerRootResource.getExecutionNodes(EnhancerRootResource.java:143)
         ... 74 more


On Wed, Feb 8, 2012 at 9:28 AM, Rupert Westenthaler<
[email protected]>  wrote:

Hi Alessandro,

On 07.02.2012, at 19:43, Alessandro Adamou wrote:
I'm still experiencing a problem on the enhancer HTML interface when
the Refactor engine is active. It doesn't seem to depend on this, so I've
notified those who know better.

can you describe that in more detail?

best
Rupert



--
David Riccitelli


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--
M.Sc. Alessandro Adamou

Alma Mater Studiorum - Università di Bologna
Department of Computer Science
Mura Anteo Zamboni 7, 40127 Bologna - Italy

Semantic Technology Laboratory (STLab)
Institute for Cognitive Science and Technology (ISTC)
National Research Council (CNR)
Via Nomentana 56, 00161 Rome - Italy


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