solr 出现'Failure when receiving data from the peer

windows 10 php5.3.38 索引数据时出现以下错误
SolrClientException Object
(
[message:protected] => Solr HTTP Error 56: 'Failure when receiving data from the peer'
[string:Exception:private] =>
[code:protected] => 1004
[file:protected] => D:\www\www.oyys-b2b.com\oyys\orm\product_class.php
[line:protected] => 710
[trace:Exception:private] => Array
(
[0] => Array
(
[file] => D:\www\www.oyys-b2b.com\oyys\orm\product_class.php
[line] => 710
[function] => addDocuments
[class] => SolrClient
[type] => ->
[args] => Array
(
[0] => Array
(
[0] => SolrInputDocument Object
(
[_hashtable_index:SolrInputDocument:private] => 24465
)

                                [1] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 5706
                                    )

                                [2] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 28146
                                    )

                                [3] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 23282
                                    )

                                [4] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 16828
                                    )

                                [5] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 9962
                                    )

                                [6] => SolrInputDocument Object
                                    (
                                        [_hashtable_index:SolrInputDocument:private] => 492
                                    )

                            )

                    )

            )

        [1] => Array
            (
                [file] => D:\www\www.oyys-b2b.com\index.php
                [line] => 6
                [function] => indexAll
                [class] => Product
                [type] => ->
                [args] => Array
                    (
                    )

            )

    )

[previous:Exception:private] => 
[sourceline:protected] => 447
[sourcefile:protected] => ext\solr\solr_functions_client.c
[zif_name:protected] => solr_make_request

)

利用的是php_solr.dll 扩展
有人遇到或者能指点下吗?

ASPX:

C#
protected void RadGrid1_ItemDataBound(object sender, Telerik.Web.UI.GridItemEventArgs e)
{
if (e.Item is GridDataItem)
{
int index = e.Item.ItemIndex; //Get the index of......
答案就在这里:How to get the data from a cell when I click on the GridButtonColumn of the same row
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