Solr More Like This 结果不符合预期,Start 字段不是 0 显示没有结果

Solr More Like This result not as expected, Start field other than 0 shows no result

My More Like This 查询不会 return 任何 start 值不是 0 的结果。

我的查询 URL 和响应如下:

http://IP_ADDRESS:8983/solr/CORE_NAME/select?indent=on&q=one:ABC&mlt=true&mlt.fl=one,two,three&&rows=100&start=0&wt=json

以上工作正常。

http://IP_ADDRESS:8983/solr/CORE_NAME/select?indent=on&q=one:ABC&mlt=true&mlt.fl=one,two,three&&rows=100&start=1&wt=json

以上查询抛出以下结果:

{
  "responseHeader":{
    "status":0,
    "QTime":1,
    "params":{
      "q":"one:ABC",
      "mlt":"true",
      "indent":"on",
      "mlt.fl":"one, two, three",
      "start":"1",
      "rows":"100",
      "wt":"json"}},
  "response":{"numFound":1,"start":1,"docs":[]
  },
  "moreLikeThis":{}}

我正在使用 solr 6.3,我使用的 MLT 架构如下:

    <requestHandler name="mlt_tracks" class="solr.MoreLikeThisHandler">

    <lst name="defaults">

    <str name="mlt.fl">one, two, three </str>

    <str name="mlt.mintf">2</str>

    <str name="rows">10</str>

    <str name="mlt.mindf">2</str>

    <str name="mlt.boost">true</str>

    </lst>

    </requestHandler>

在您的 /select 处理程序中定义 mlt 默认值。

<str name="mlt.fl">one, two, three </str>

    <str name="mlt.mintf">2</str>

    <str name="rows">10</str>

    <str name="mlt.mindf">2</str>

    <str name="mlt.boost">true</str>

将上面的内容复制到 /select 处理程序定义中,粘贴到默认部分。

<lst name="defaults"> paste here </lst> 

使用 / 更新请求处理程序名称,如 name="/mlt_tracks"

<requestHandler name="/mlt_tracks" class="solr.MoreLikeThisHandler">

并使用/mlt_tracks代替/select来查询

http://IP_ADDRESS:8983/solr/CORE_NAME/mlt_tracks?indent=on&q=one:ABC&mlt=true&mlt.fl=one,two,three&&rows=100&start=1&wt=json