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From "Luis Cappa Banda (JIRA)" <j...@apache.org>
Subject [jira] [Comment Edited] (SOLR-4080) SolrJ: CloudSolrServer atomic updates doesn´t work with Lists/Arrays (Objects, in general).
Date Tue, 20 Nov 2012 10:46:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-4080?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13500983#comment-13500983
] 

Luis Cappa Banda edited comment on SOLR-4080 at 11/20/12 10:46 AM:
-------------------------------------------------------------------

Creating a CloudSolrServer and setting it this custom LBHttpSolrServer solves the problem:


import org.apache.solr.client.solrj.impl.BinaryRequestWriter;
import org.apache.solr.client.solrj.impl.HttpSolrServer;
import org.apache.solr.client.solrj.impl.LBHttpSolrServer;

package com.example.custom.solr;

import java.net.MalformedURLException;

public class BinaryLBHttpSolrServer extends LBHttpSolrServer {

	private static final long serialVersionUID = 3905956120804659445L;
	
    public BinaryLBHttpSolrServer(String[] endpoints) throws MalformedURLException {
    	super(endpoints);
    }

    @Override
    protected HttpSolrServer makeServer(String server) throws MalformedURLException {
        HttpSolrServer solrServer = super.makeServer(server);
        solrServer.setRequestWriter(new BinaryRequestWriter());
        return solrServer;
    }
}

                
      was (Author: luiscappa):
    Creating a CloudSolrServer and setting it this custom LBHttpSolrServer the problem is
resolved:


import org.apache.solr.client.solrj.impl.BinaryRequestWriter;
import org.apache.solr.client.solrj.impl.HttpSolrServer;
import org.apache.solr.client.solrj.impl.LBHttpSolrServer;

package com.example.custom.solr;

import java.net.MalformedURLException;

public class BinaryLBHttpSolrServer extends LBHttpSolrServer {

	private static final long serialVersionUID = 3905956120804659445L;
	
    public BinaryLBHttpSolrServer(String[] endpoints) throws MalformedURLException {
    	super(endpoints);
    }

    @Override
    protected HttpSolrServer makeServer(String server) throws MalformedURLException {
        HttpSolrServer solrServer = super.makeServer(server);
        solrServer.setRequestWriter(new BinaryRequestWriter());
        return solrServer;
    }
}

                  
> SolrJ: CloudSolrServer atomic updates doesn´t work with Lists/Arrays (Objects, in general).
> -------------------------------------------------------------------------------------------
>
>                 Key: SOLR-4080
>                 URL: https://issues.apache.org/jira/browse/SOLR-4080
>             Project: Solr
>          Issue Type: Bug
>          Components: SolrCloud
>    Affects Versions: 4.0
>         Environment: Solr 4.0 with SolrCloud deployed with two SolrServers with shards=1.
solr-solrj artifact version 4.0.0 is used to execute atomic update operations.
>            Reporter: Luis Cappa Banda
>
> Atomic updates with a CloudSolrServer object instance doesn´t work properly. 
> - Code snippet:
> // CloudSolrSever instance.
> LBHttpSolrServer lbSolrServer = new LBHttpSolrServer(solrEndpoints);
> CloudSolrServer cloudSolrServer = new CloudSolrServer(zookeeperEndpoints, lbSolrServer);
> // SolrInputDocument to update: 
> SolrInputDocument do = ne SolrInputDocument();
> doc.addField("id", "myId");
> Map<String, List<String>> operation = new HashMap<String, List<String>>();
> operation.put("set", [[a list of String elements]]);  // I want a set operation to override
field values.
> doc.addField("fieldName", operation);
> // Atomic update operation.
> cloudSolrServer.add(doc); 
> - Result:
> doc: {
>     id: "myId",
>     fieldName: [ "{set=values}"
>     ],
>     ...
> }
> - Changing map from snippet like Map operation = new HashMap() instead of Map<String,
List<String>> operation = new HashMap<String, List<String>>() obtains
the following result after the atomic update:
> doc: {
>     id: "myId",
>     fieldName: ["[Value1, Value2]"
>     ],
>     ...
> }
> - Also, the old value is never erased, and instead of a "set" operation an "add" operation
happens.
> CONCLUSION: during an atomic update with CloudSolrServer the List/Array/Object value
passed is being processed with just a toString() method.

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