Hi all,

I'm running into a small problem loading
the OpenNLPExtractNamedEntitiesUpdateProcessorFactory class, getting an
error saying it's not found. I'm loading all the required jar files,
according to the readme:

*solrconfig.xml*

  <lib
dir="${solr.install.dir:../../../..}/contrib/analysis-extras/lucene-libs"
regex="lucene-analyzers-opennlp-.*\.jar" />
  <lib dir="${solr.install.dir:../../../..}/contrib/analysis-extras/lib"
regex="opennlp-.*\.jar" />

  ...

  <updateRequestProcessorChain name="multiple-extract">
    <processor
class="solr.OpenNLPExtractNamedEntitiesUpdateProcessorFactory">
      <str name="modelFile">en-ner-person.bin</str>
      <str name="analyzerFieldType">opennlp-en-tokenization</str>
      <str name="source">text</str>
      <str name="dest">people_ss</str>
    </processor>
  </updateRequestProcessorChain>

*managed-schema*

  <fieldType name="opennlp-en-tokenization" class="solr.TextField">
    <analyzer>
      <tokenizer class="solr.OpenNLPTokenizerFactory"
sentenceModel="en-sent.bin" tokenizerModel="en-token.bin"/>
    </analyzer>
  </fieldType>

I have the three *.bin files in my conf directory, but when I try to reload
with this config I get this error:

```
{
  "responseHeader": {
    "status": 500,
    "QTime": 390
  },
  "error": {
    "metadata": [
      "error-class",
      "org.apache.solr.common.SolrException",
      "root-error-class",
      "java.lang.ClassNotFoundException"
    ],
    "msg": "Error handling 'reload' action",
    "trace": "org.apache.solr.common.SolrException: Error handling 'reload'
action\n\tat
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$2(CoreAdminOperation.java:112)\n\tat
org.apache.solr.handler.admin.CoreAdminOperation$$Lambda$103/335708295.execute(Unknown
Source)\n\tat
org.apache.solr.handler.admin.CoreAdminOperation.execute(CoreAdminOperation.java:358)\n\tat
org.apache.solr.handler.admin.CoreAdminHandler$CallInfo.call(CoreAdminHandler.java:389)\n\tat
org.apache.solr.handler.admin.CoreAdminHandler.handleRequestBody(CoreAdminHandler.java:174)\n\tat
org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:195)\n\tat
org.apache.solr.servlet.HttpSolrCall.handleAdmin(HttpSolrCall.java:736)\n\tat
org.apache.solr.servlet.HttpSolrCall.handleAdminRequest(HttpSolrCall.java:717)\n\tat
org.apache.solr.servlet.HttpSolrCall.call(HttpSolrCall.java:498)\n\tat
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:384)\n\tat
org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:330)\n\tat
org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1629)\n\tat
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:533)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)\n\tat
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:548)\n\tat
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:190)\n\tat
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1595)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:188)\n\tat
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1253)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:168)\n\tat
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:473)\n\tat
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1564)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:166)\n\tat
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1155)\n\tat
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)\n\tat
org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:219)\n\tat
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:126)\n\tat
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
org.eclipse.jetty.rewrite.handler.RewriteHandler.handle(RewriteHandler.java:335)\n\tat
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:132)\n\tat
org.eclipse.jetty.server.Server.handle(Server.java:530)\n\tat
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:347)\n\tat
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:256)\n\tat
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:279)\n\tat
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:102)\n\tat
org.eclipse.jetty.io.ChannelEndPoint$2.run(ChannelEndPoint.java:124)\n\tat
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:247)\n\tat
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.produce(EatWhatYouKill.java:140)\n\tat
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)\n\tat
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:382)\n\tat
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:708)\n\tat
org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:626)\n\tat
java.lang.Thread.run(Thread.java:745)\nCaused by:
org.apache.solr.common.SolrException: Unable to reload core [nlp]\n\tat
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1311)\n\tat
org.apache.solr.handler.admin.CoreAdminOperation.lambda$static$2(CoreAdminOperation.java:110)\n\t...
43 more\nCaused by: org.apache.solr.common.SolrException: Error loading
class 'solr.OpenNLPExtractNamedEntitiesUpdateProcessorFactory'\n\tat
org.apache.solr.core.SolrCore.<init>(SolrCore.java:1008)\n\tat
org.apache.solr.core.SolrCore.reload(SolrCore.java:656)\n\tat
org.apache.solr.core.CoreContainer.reload(CoreContainer.java:1290)\n\t...
44 more\nCaused by: org.
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