Saturday, March 17, 2018

FW: Adding Documents to Solr by using Java Client API is failed

-----Original Message-----
From: Andy Tang [mailto:andytang2018@gmail.com]
Sent: 17 March 2018 00:45
To: solr-user@lucene.apache.org
Subject: Adding Documents to Solr by using Java Client API is failed

I have the code to add document to Solr. I tested it in Both Solr 6.6.2 and
Solr 7.2.1 and failed.

import java.io.IOException; import
org.apache.solr.client.solrj.SolrClient; import
org.apache.solr.client.solrj.SolrServerException; import
org.apache.solr.client.solrj.impl.HttpSolrClient; import
org.apache.solr.common.SolrInputDocument;
public class AddingDocument {
public static void main(String args[]) throws Exception {

String urlString ="http://localhost:8983/solr/Solr_example";
SolrClient Solr = new HttpSolrClient.Builder(urlString).build();

//Preparing the Solr document
SolrInputDocument doc = new SolrInputDocument();

//Adding fields to the document
doc.addField("id", "007");
doc.addField("name", "James Bond");
doc.addField("age","45");
doc.addField("addr","England");

//Adding the document to Solr
Solr.add(doc);

//Saving the changes
Solr.commit();
System.out.println("Documents added");
} }

The compilation is successful like below.

javac -cp .:/opt/solr/solr-6.6.2/dist/solr-solrj-6.6.2.jar
AddingDocument.java

However, when I run it, it gave me some errors message confused.

java -cp .:/opt/solr/solr-6.6.2/dist/solr-solrj-6.6.2.jar AddingDocument

Exception in thread "main" java.lang.NoClassDefFoundError:
org/apache/http/Header
at
org.apache.solr.client.solrj.impl.HttpSolrClient$Builder.build(HttpSolrClien
t.java:892)
at AddingDocument.main(AddingDocument.java:13)Caused by:
java.lang.ClassNotFoundException: org.apache.http.Header
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:338)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 2 more

What is wrong with it? Is this urlString correct?

Any help is appreciated!
Andy Tang

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