From a03ed96eae0633cd6e16f5e1140af0f46bd70e9b Mon Sep 17 00:00:00 2001
From: Dawid Weiss <dweiss@apache.org>
Date: Tue, 17 Nov 2015 19:34:18 +0000
Subject: [PATCH] SOLR-8294: Cleanup solrconfig.xmls under
 solr/example/example-DIH/solr (removed obsolete clustering handler sections).

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1714856 13f79535-47bb-0310-9956-ffa450edef68
---
 solr/CHANGES.txt                              |   3 +
 .../example-DIH/solr/db/conf/solrconfig.xml   | 102 -----------------
 .../example-DIH/solr/mail/conf/solrconfig.xml | 103 +-----------------
 .../example-DIH/solr/rss/conf/solrconfig.xml  | 102 -----------------
 .../example-DIH/solr/solr/conf/solrconfig.xml | 103 ------------------
 .../example-DIH/solr/tika/conf/solrconfig.xml | 102 -----------------
 6 files changed, 4 insertions(+), 511 deletions(-)

diff --git a/solr/CHANGES.txt b/solr/CHANGES.txt
index 38194623836..6a1e1267895 100644
--- a/solr/CHANGES.txt
+++ b/solr/CHANGES.txt
@@ -429,6 +429,9 @@ Optimizations
 Other Changes
 ----------------------
 
+* SOLR-8294: Cleanup solrconfig.xmls under solr/example/example-DIH/solr (removed
+  obsolete clustering handler sections). (Dawid Weiss)
+
 * SOLR-7969: Unavailable clustering engines should not fail the core. (Dawid Weiss)
 
 * SOLR-7790, SOLR-7791: Update Carrot2 clustering component to 
diff --git a/solr/example/example-DIH/solr/db/conf/solrconfig.xml b/solr/example/example-DIH/solr/db/conf/solrconfig.xml
index 4aaca4f4839..884f60f53b1 100644
--- a/solr/example/example-DIH/solr/db/conf/solrconfig.xml
+++ b/solr/example/example-DIH/solr/db/conf/solrconfig.xml
@@ -77,9 +77,6 @@
   <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" />
 
-  <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" />
-  <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" />
-
   <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" />
 
@@ -1198,105 +1195,6 @@
       <str>tvComponent</str>
     </arr>
   </requestHandler>
-
-  <!-- Clustering Component
-
-       You'll need to set the solr.clustering.enabled system property
-       when running solr to run with clustering enabled:
-
-            java -Dsolr.clustering.enabled=true -jar start.jar
-
-       http://wiki.apache.org/solr/ClusteringComponent
-       http://carrot2.github.io/solr-integration-strategies/
-    -->
-  <searchComponent name="clustering"
-                   enable="${solr.clustering.enabled:false}"
-                   class="solr.clustering.ClusteringComponent" >
-    <lst name="engine">
-      <str name="name">lingo</str>
-
-      <!-- Class name of a clustering algorithm compatible with the Carrot2 framework.
-
-           Currently available open source algorithms are:
-           * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
-           * org.carrot2.clustering.stc.STCClusteringAlgorithm
-           * org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
-
-           See http://project.carrot2.org/algorithms.html for more information.
-
-           A commercial algorithm Lingo3G (needs to be installed separately) is defined as:
-           * com.carrotsearch.lingo3g.Lingo3GClusteringAlgorithm
-        -->
-      <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
-
-      <!-- Override location of the clustering algorithm's resources 
-           (attribute definitions and lexical resources).
-
-           A directory from which to load algorithm-specific stop words,
-           stop labels and attribute definition XMLs. 
-
-           For an overview of Carrot2 lexical resources, see:
-           http://download.carrot2.org/head/manual/#chapter.lexical-resources
-
-           For an overview of Lingo3G lexical resources, see:
-           http://download.carrotsearch.com/lingo3g/manual/#chapter.lexical-resources
-       -->
-      <str name="carrot.resourcesDir">clustering/carrot2</str>
-    </lst>
-
-    <!-- An example definition for the STC clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">stc</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
-    </lst>
-
-    <!-- An example definition for the bisecting kmeans clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">kmeans</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
-    </lst>
-  </searchComponent>
-
-  <!-- A request handler for demonstrating the clustering component
-
-       This is purely as an example.
-
-       In reality you will likely want to add the component to your 
-       already specified request handlers. 
-    -->
-  <requestHandler name="/clustering"
-                  startup="lazy"
-                  enable="${solr.clustering.enabled:false}"
-                  class="solr.SearchHandler">
-    <lst name="defaults">
-      <bool name="clustering">true</bool>
-      <bool name="clustering.results">true</bool>
-      <!-- Field name with the logical "title" of a each document (optional) -->
-      <str name="carrot.title">name</str>
-      <!-- Field name with the logical "URL" of a each document (optional) -->
-      <str name="carrot.url">id</str>
-      <!-- Field name with the logical "content" of a each document (optional) -->
-      <str name="carrot.snippet">features</str>
-      <!-- Apply highlighter to the title/ content and use this for clustering. -->
-      <bool name="carrot.produceSummary">true</bool>
-      <!-- the maximum number of labels per cluster -->
-      <!--<int name="carrot.numDescriptions">5</int>-->
-      <!-- produce sub clusters -->
-      <bool name="carrot.outputSubClusters">false</bool>
-
-      <!-- Configure the remaining request handler parameters. -->
-      <str name="defType">edismax</str>
-      <str name="qf">
-        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
-      </str>
-      <str name="q.alt">*:*</str>
-      <str name="rows">10</str>
-      <str name="fl">*,score</str>
-    </lst>
-    <arr name="last-components">
-      <str>clustering</str>
-    </arr>
-  </requestHandler>
   
   <!-- Terms Component
 
diff --git a/solr/example/example-DIH/solr/mail/conf/solrconfig.xml b/solr/example/example-DIH/solr/mail/conf/solrconfig.xml
index b808603c74e..5f107d92b29 100644
--- a/solr/example/example-DIH/solr/mail/conf/solrconfig.xml
+++ b/solr/example/example-DIH/solr/mail/conf/solrconfig.xml
@@ -80,9 +80,6 @@
   <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" />
 
-  <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" />
-  <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" />
-
   <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" />
 
@@ -869,6 +866,7 @@
      </lst>
   </requestHandler>
 
+
   <!-- A Robust Example
 
        This example SearchHandler declaration shows off usage of the
@@ -1201,105 +1199,6 @@
     </arr>
   </requestHandler>
 
-  <!-- Clustering Component
-
-       You'll need to set the solr.clustering.enabled system property
-       when running solr to run with clustering enabled:
-
-            java -Dsolr.clustering.enabled=true -jar start.jar
-
-       http://wiki.apache.org/solr/ClusteringComponent
-       http://carrot2.github.io/solr-integration-strategies/
-    -->
-  <searchComponent name="clustering"
-                   enable="${solr.clustering.enabled:false}"
-                   class="solr.clustering.ClusteringComponent" >
-    <lst name="engine">
-      <str name="name">lingo</str>
-
-      <!-- Class name of a clustering algorithm compatible with the Carrot2 framework.
-
-           Currently available open source algorithms are:
-           * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
-           * org.carrot2.clustering.stc.STCClusteringAlgorithm
-           * org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
-
-           See http://project.carrot2.org/algorithms.html for more information.
-
-           A commercial algorithm Lingo3G (needs to be installed separately) is defined as:
-           * com.carrotsearch.lingo3g.Lingo3GClusteringAlgorithm
-        -->
-      <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
-
-      <!-- Override location of the clustering algorithm's resources 
-           (attribute definitions and lexical resources).
-
-           A directory from which to load algorithm-specific stop words,
-           stop labels and attribute definition XMLs. 
-
-           For an overview of Carrot2 lexical resources, see:
-           http://download.carrot2.org/head/manual/#chapter.lexical-resources
-
-           For an overview of Lingo3G lexical resources, see:
-           http://download.carrotsearch.com/lingo3g/manual/#chapter.lexical-resources
-       -->
-      <str name="carrot.resourcesDir">clustering/carrot2</str>
-    </lst>
-
-    <!-- An example definition for the STC clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">stc</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
-    </lst>
-
-    <!-- An example definition for the bisecting kmeans clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">kmeans</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
-    </lst>
-  </searchComponent>
-
-  <!-- A request handler for demonstrating the clustering component
-
-       This is purely as an example.
-
-       In reality you will likely want to add the component to your 
-       already specified request handlers. 
-    -->
-  <requestHandler name="/clustering"
-                  startup="lazy"
-                  enable="${solr.clustering.enabled:false}"
-                  class="solr.SearchHandler">
-    <lst name="defaults">
-      <bool name="clustering">true</bool>
-      <bool name="clustering.results">true</bool>
-      <!-- Field name with the logical "title" of a each document (optional) -->
-      <str name="carrot.title">name</str>
-      <!-- Field name with the logical "URL" of a each document (optional) -->
-      <str name="carrot.url">id</str>
-      <!-- Field name with the logical "content" of a each document (optional) -->
-      <str name="carrot.snippet">features</str>
-      <!-- Apply highlighter to the title/ content and use this for clustering. -->
-      <bool name="carrot.produceSummary">true</bool>
-      <!-- the maximum number of labels per cluster -->
-      <!--<int name="carrot.numDescriptions">5</int>-->
-      <!-- produce sub clusters -->
-      <bool name="carrot.outputSubClusters">false</bool>
-
-      <!-- Configure the remaining request handler parameters. -->
-      <str name="defType">edismax</str>
-      <str name="qf">
-        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
-      </str>
-      <str name="q.alt">*:*</str>
-      <str name="rows">10</str>
-      <str name="fl">*,score</str>
-    </lst>
-    <arr name="last-components">
-      <str>clustering</str>
-    </arr>
-  </requestHandler>
-  
   <!-- Terms Component
 
        http://wiki.apache.org/solr/TermsComponent
diff --git a/solr/example/example-DIH/solr/rss/conf/solrconfig.xml b/solr/example/example-DIH/solr/rss/conf/solrconfig.xml
index a70655569e1..b4a9da98a99 100644
--- a/solr/example/example-DIH/solr/rss/conf/solrconfig.xml
+++ b/solr/example/example-DIH/solr/rss/conf/solrconfig.xml
@@ -77,9 +77,6 @@
   <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" />
 
-  <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" />
-  <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" />
-
   <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" />
 
@@ -1198,105 +1195,6 @@
     </arr>
   </requestHandler>
 
-  <!-- Clustering Component
-
-       You'll need to set the solr.clustering.enabled system property
-       when running solr to run with clustering enabled:
-
-            java -Dsolr.clustering.enabled=true -jar start.jar
-
-       http://wiki.apache.org/solr/ClusteringComponent
-       http://carrot2.github.io/solr-integration-strategies/
-    -->
-  <searchComponent name="clustering"
-                   enable="${solr.clustering.enabled:false}"
-                   class="solr.clustering.ClusteringComponent" >
-    <lst name="engine">
-      <str name="name">lingo</str>
-
-      <!-- Class name of a clustering algorithm compatible with the Carrot2 framework.
-
-           Currently available open source algorithms are:
-           * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
-           * org.carrot2.clustering.stc.STCClusteringAlgorithm
-           * org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
-
-           See http://project.carrot2.org/algorithms.html for more information.
-
-           A commercial algorithm Lingo3G (needs to be installed separately) is defined as:
-           * com.carrotsearch.lingo3g.Lingo3GClusteringAlgorithm
-        -->
-      <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
-
-      <!-- Override location of the clustering algorithm's resources 
-           (attribute definitions and lexical resources).
-
-           A directory from which to load algorithm-specific stop words,
-           stop labels and attribute definition XMLs. 
-
-           For an overview of Carrot2 lexical resources, see:
-           http://download.carrot2.org/head/manual/#chapter.lexical-resources
-
-           For an overview of Lingo3G lexical resources, see:
-           http://download.carrotsearch.com/lingo3g/manual/#chapter.lexical-resources
-       -->
-      <str name="carrot.resourcesDir">clustering/carrot2</str>
-    </lst>
-
-    <!-- An example definition for the STC clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">stc</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
-    </lst>
-
-    <!-- An example definition for the bisecting kmeans clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">kmeans</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
-    </lst>
-  </searchComponent>
-
-  <!-- A request handler for demonstrating the clustering component
-
-       This is purely as an example.
-
-       In reality you will likely want to add the component to your 
-       already specified request handlers. 
-    -->
-  <requestHandler name="/clustering"
-                  startup="lazy"
-                  enable="${solr.clustering.enabled:false}"
-                  class="solr.SearchHandler">
-    <lst name="defaults">
-      <bool name="clustering">true</bool>
-      <bool name="clustering.results">true</bool>
-      <!-- Field name with the logical "title" of a each document (optional) -->
-      <str name="carrot.title">name</str>
-      <!-- Field name with the logical "URL" of a each document (optional) -->
-      <str name="carrot.url">id</str>
-      <!-- Field name with the logical "content" of a each document (optional) -->
-      <str name="carrot.snippet">features</str>
-      <!-- Apply highlighter to the title/ content and use this for clustering. -->
-      <bool name="carrot.produceSummary">true</bool>
-      <!-- the maximum number of labels per cluster -->
-      <!--<int name="carrot.numDescriptions">5</int>-->
-      <!-- produce sub clusters -->
-      <bool name="carrot.outputSubClusters">false</bool>
-
-      <!-- Configure the remaining request handler parameters. -->
-      <str name="defType">edismax</str>
-      <str name="qf">
-        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
-      </str>
-      <str name="q.alt">*:*</str>
-      <str name="rows">10</str>
-      <str name="fl">*,score</str>
-    </lst>
-    <arr name="last-components">
-      <str>clustering</str>
-    </arr>
-  </requestHandler>
-  
   <!-- Terms Component
 
        http://wiki.apache.org/solr/TermsComponent
diff --git a/solr/example/example-DIH/solr/solr/conf/solrconfig.xml b/solr/example/example-DIH/solr/solr/conf/solrconfig.xml
index dd732271c8d..ed3926636a7 100644
--- a/solr/example/example-DIH/solr/solr/conf/solrconfig.xml
+++ b/solr/example/example-DIH/solr/solr/conf/solrconfig.xml
@@ -77,9 +77,6 @@
   <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" />
 
-  <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" />
-  <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" />
-
   <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" />
 
@@ -896,7 +893,6 @@
     </lst>
   </requestHandler>
 
-
   <initParams path="/update/**,/query,/select,/tvrh,/elevate,/spell,/browse">
     <lst name="defaults">
       <str name="df">text</str>
@@ -1199,105 +1195,6 @@
     </arr>
   </requestHandler>
 
-  <!-- Clustering Component
-
-       You'll need to set the solr.clustering.enabled system property
-       when running solr to run with clustering enabled:
-
-            java -Dsolr.clustering.enabled=true -jar start.jar
-
-       http://wiki.apache.org/solr/ClusteringComponent
-       http://carrot2.github.io/solr-integration-strategies/
-    -->
-  <searchComponent name="clustering"
-                   enable="${solr.clustering.enabled:false}"
-                   class="solr.clustering.ClusteringComponent" >
-    <lst name="engine">
-      <str name="name">lingo</str>
-
-      <!-- Class name of a clustering algorithm compatible with the Carrot2 framework.
-
-           Currently available open source algorithms are:
-           * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
-           * org.carrot2.clustering.stc.STCClusteringAlgorithm
-           * org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
-
-           See http://project.carrot2.org/algorithms.html for more information.
-
-           A commercial algorithm Lingo3G (needs to be installed separately) is defined as:
-           * com.carrotsearch.lingo3g.Lingo3GClusteringAlgorithm
-        -->
-      <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
-
-      <!-- Override location of the clustering algorithm's resources 
-           (attribute definitions and lexical resources).
-
-           A directory from which to load algorithm-specific stop words,
-           stop labels and attribute definition XMLs. 
-
-           For an overview of Carrot2 lexical resources, see:
-           http://download.carrot2.org/head/manual/#chapter.lexical-resources
-
-           For an overview of Lingo3G lexical resources, see:
-           http://download.carrotsearch.com/lingo3g/manual/#chapter.lexical-resources
-       -->
-      <str name="carrot.resourcesDir">clustering/carrot2</str>
-    </lst>
-
-    <!-- An example definition for the STC clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">stc</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
-    </lst>
-
-    <!-- An example definition for the bisecting kmeans clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">kmeans</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
-    </lst>
-  </searchComponent>
-
-  <!-- A request handler for demonstrating the clustering component
-
-       This is purely as an example.
-
-       In reality you will likely want to add the component to your 
-       already specified request handlers. 
-    -->
-  <requestHandler name="/clustering"
-                  startup="lazy"
-                  enable="${solr.clustering.enabled:false}"
-                  class="solr.SearchHandler">
-    <lst name="defaults">
-      <bool name="clustering">true</bool>
-      <bool name="clustering.results">true</bool>
-      <!-- Field name with the logical "title" of a each document (optional) -->
-      <str name="carrot.title">name</str>
-      <!-- Field name with the logical "URL" of a each document (optional) -->
-      <str name="carrot.url">id</str>
-      <!-- Field name with the logical "content" of a each document (optional) -->
-      <str name="carrot.snippet">features</str>
-      <!-- Apply highlighter to the title/ content and use this for clustering. -->
-      <bool name="carrot.produceSummary">true</bool>
-      <!-- the maximum number of labels per cluster -->
-      <!--<int name="carrot.numDescriptions">5</int>-->
-      <!-- produce sub clusters -->
-      <bool name="carrot.outputSubClusters">false</bool>
-
-      <!-- Configure the remaining request handler parameters. -->
-      <str name="defType">edismax</str>
-      <str name="qf">
-        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
-      </str>
-      <str name="q.alt">*:*</str>
-      <str name="rows">10</str>
-      <str name="fl">*,score</str>
-    </lst>
-    <arr name="last-components">
-      <str>clustering</str>
-    </arr>
-  </requestHandler>
-  
   <!-- Terms Component
 
        http://wiki.apache.org/solr/TermsComponent
diff --git a/solr/example/example-DIH/solr/tika/conf/solrconfig.xml b/solr/example/example-DIH/solr/tika/conf/solrconfig.xml
index 9620285369d..bf098d2b476 100644
--- a/solr/example/example-DIH/solr/tika/conf/solrconfig.xml
+++ b/solr/example/example-DIH/solr/tika/conf/solrconfig.xml
@@ -78,9 +78,6 @@
   <lib dir="${solr.install.dir:../../../..}/contrib/extraction/lib" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-cell-\d.*\.jar" />
 
-  <lib dir="${solr.install.dir:../../../..}/contrib/clustering/lib/" regex=".*\.jar" />
-  <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-clustering-\d.*\.jar" />
-
   <lib dir="${solr.install.dir:../../../..}/contrib/langid/lib/" regex=".*\.jar" />
   <lib dir="${solr.install.dir:../../../..}/dist/" regex="solr-langid-\d.*\.jar" />
 
@@ -1201,105 +1198,6 @@
     </arr>
   </requestHandler>
 
-  <!-- Clustering Component
-
-       You'll need to set the solr.clustering.enabled system property
-       when running solr to run with clustering enabled:
-
-            java -Dsolr.clustering.enabled=true -jar start.jar
-
-       http://wiki.apache.org/solr/ClusteringComponent
-       http://carrot2.github.io/solr-integration-strategies/
-    -->
-  <searchComponent name="clustering"
-                   enable="${solr.clustering.enabled:false}"
-                   class="solr.clustering.ClusteringComponent" >
-    <lst name="engine">
-      <str name="name">lingo</str>
-
-      <!-- Class name of a clustering algorithm compatible with the Carrot2 framework.
-
-           Currently available open source algorithms are:
-           * org.carrot2.clustering.lingo.LingoClusteringAlgorithm
-           * org.carrot2.clustering.stc.STCClusteringAlgorithm
-           * org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm
-
-           See http://project.carrot2.org/algorithms.html for more information.
-
-           A commercial algorithm Lingo3G (needs to be installed separately) is defined as:
-           * com.carrotsearch.lingo3g.Lingo3GClusteringAlgorithm
-        -->
-      <str name="carrot.algorithm">org.carrot2.clustering.lingo.LingoClusteringAlgorithm</str>
-
-      <!-- Override location of the clustering algorithm's resources 
-           (attribute definitions and lexical resources).
-
-           A directory from which to load algorithm-specific stop words,
-           stop labels and attribute definition XMLs. 
-
-           For an overview of Carrot2 lexical resources, see:
-           http://download.carrot2.org/head/manual/#chapter.lexical-resources
-
-           For an overview of Lingo3G lexical resources, see:
-           http://download.carrotsearch.com/lingo3g/manual/#chapter.lexical-resources
-       -->
-      <str name="carrot.resourcesDir">clustering/carrot2</str>
-    </lst>
-
-    <!-- An example definition for the STC clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">stc</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.stc.STCClusteringAlgorithm</str>
-    </lst>
-
-    <!-- An example definition for the bisecting kmeans clustering algorithm. -->
-    <lst name="engine">
-      <str name="name">kmeans</str>
-      <str name="carrot.algorithm">org.carrot2.clustering.kmeans.BisectingKMeansClusteringAlgorithm</str>
-    </lst>
-  </searchComponent>
-
-  <!-- A request handler for demonstrating the clustering component
-
-       This is purely as an example.
-
-       In reality you will likely want to add the component to your 
-       already specified request handlers. 
-    -->
-  <requestHandler name="/clustering"
-                  startup="lazy"
-                  enable="${solr.clustering.enabled:false}"
-                  class="solr.SearchHandler">
-    <lst name="defaults">
-      <bool name="clustering">true</bool>
-      <bool name="clustering.results">true</bool>
-      <!-- Field name with the logical "title" of a each document (optional) -->
-      <str name="carrot.title">name</str>
-      <!-- Field name with the logical "URL" of a each document (optional) -->
-      <str name="carrot.url">id</str>
-      <!-- Field name with the logical "content" of a each document (optional) -->
-      <str name="carrot.snippet">features</str>
-      <!-- Apply highlighter to the title/ content and use this for clustering. -->
-      <bool name="carrot.produceSummary">true</bool>
-      <!-- the maximum number of labels per cluster -->
-      <!--<int name="carrot.numDescriptions">5</int>-->
-      <!-- produce sub clusters -->
-      <bool name="carrot.outputSubClusters">false</bool>
-
-      <!-- Configure the remaining request handler parameters. -->
-      <str name="defType">edismax</str>
-      <str name="qf">
-        text^0.5 features^1.0 name^1.2 sku^1.5 id^10.0 manu^1.1 cat^1.4
-      </str>
-      <str name="q.alt">*:*</str>
-      <str name="rows">10</str>
-      <str name="fl">*,score</str>
-    </lst>
-    <arr name="last-components">
-      <str>clustering</str>
-    </arr>
-  </requestHandler>
-  
   <!-- Terms Component
 
        http://wiki.apache.org/solr/TermsComponent