[ 
https://issues.apache.org/jira/browse/SOLR-4080?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Shalin Shekhar Mangar reassigned SOLR-4080:
-------------------------------------------

    Assignee: Shalin Shekhar Mangar  (was: Yonik Seeley)
    
> 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
>            Assignee: Shalin Shekhar Mangar
>             Fix For: 4.1
>
>
> 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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