Solr Change CommonsHttpSolrServer To HttpSolrServer

Question

For Basic Authentication in solr 3.5 I am using the following code,

String url = "http://192.168.192.11:8080/solr/FormResponses";
CommonsHttpSolrServer server = new CommonsHttpSolrServer( url );
String username = "user";
String password = "user123";
Credentials defaultcreds = new UsernamePasswordCredentials(username, password);
server.getHttpClient().getState().setCredentials(AuthScope.ANY, defaultcreds);
server.getHttpClient().getParams().setAuthenticationPreemptive(true);

In solr 4.0 CommonsHttpSolrServer is not available, so I want to replace it with HttpSolrServer. Can anyone help me to fix this?

What is the problem? instead of CommonsHttpSolrServer just use HttpSolrServer. — Parvin Gasimzade
– Parvin Gasimzade, Commented Dec 21, 2012 at 9:59
@parvin CommonsHttpSolrServer is not in solrj4.jar so I need a new method using HttpSolrServer instead of CommonsHttpSolrServer. — Muthukumar Jayamurugan
– Muthukumar Jayamurugan, Commented Dec 21, 2012 at 10:00
@parvin In HttpSolrServer getHttpClient() method is not avilable — Muthukumar Jayamurugan
– Muthukumar Jayamurugan, Commented Dec 21, 2012 at 10:02
It is available. Check this out. lucene.apache.org/solr/api-4_0_0-BETA/org/apache/solr/client/… — Parvin Gasimzade
– Parvin Gasimzade, Commented Dec 21, 2012 at 10:03
@parvin In CommonsHttpSolrServer if I use server.getHttpClient().getState() it is giving some value BUT IN HttpSolrServer if I use server.getHttpClient().getState() it shows error. Please run the above simple code and help me to fix — Muthukumar Jayamurugan
– Muthukumar Jayamurugan, Commented Dec 21, 2012 at 10:08

Community · Accepted Answer · 2017-05-23 12:32:26Z

8

Change the code as follows :

import org.apache.http.auth.AuthScope;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.solr.client.solrj.impl.HttpSolrServer;

String url = "http://192.168.192.11:8080/solr/FormResponses";
HttpSolrServer server = new HttpSolrServer( url );
DefaultHttpClient client = (DefaultHttpClient) server.getHttpClient();

UsernamePasswordCredentials defaultcreds = new UsernamePasswordCredentials("user", "user123");
client.getCredentialsProvider().setCredentials(AuthScope.ANY, defaultcreds);

For server.getHttpClient().getParams().setAuthenticationPreemptive(true) in HttpClient 4 you can use the solution described here.

edited May 23, 2017 at 12:32

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answered Dec 21, 2012 at 11:47

Parvin Gasimzade

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2 Comments

Muthukumar Jayamurugan Over a year ago

It shows java.lang.ClassCastException: org.apache.http.impl.client.DefaultHttpClient cannot be cast to org.apache.commons.httpclient.HttpClient ---Can you provide your import statements

Muthukumar Jayamurugan Over a year ago

+1 for your effect. Thank you, Finally I find the Solution Myself

Muthukumar Jayamurugan · Accepted Answer · 2012-12-21 12:52:08Z

2

Finally I find the answer my self,

String url = "http://192.168.192.11:8080/solr/FormResponses";
DefaultHttpClient httpclient = new DefaultHttpClient();
    httpclient.getCredentialsProvider().setCredentials(
    AuthScope.ANY, new UsernamePasswordCredentials("user", "user123"));
SolrServer solrServer = new HttpSolrServer(url, httpclient);

answered Dec 21, 2012 at 12:52

Muthukumar Jayamurugan

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Comments

josliber · Accepted Answer · 2015-09-18 13:50:49Z

1

You need to add the JAR solr-solrj-4.0.0.jar for HttpClientUtil .

Then use below code :

HttpSolrServer solrServer = new HttpSolrServer("http://localhost:8080/solr/"+url);     
HttpClientUtil.setBasicAuth((DefaultHttpClient) solrServer.getHttpClient(),
                            "USERNAME", "PASSWORD");

That worked for me.

edited Sep 18, 2015 at 13:50

josliber

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answered Sep 18, 2015 at 10:26

ThmHarsh

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1 Comment

Mani Over a year ago

this works for read operations but not for solr write.(since the connection is not preemptive)

Nadine · Accepted Answer · 2015-12-09 15:44:28Z

1

This is the only way that works for me:

String url = "192.168.192.11:8080/solr/FormResponses";
String username = "user";
String password = "user123";
HttpSolrServer server = new HttpSolrServer("http://" + username + ":" + password + "@" + url);

answered Dec 9, 2015 at 15:44

Nadine

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