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	<title>DataImportHandler &#8211; 記下來</title>
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		<title>Solr 教學 (5) – 建立新的 Core</title>
		<link>https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/</link>
					<comments>https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/#respond</comments>
		
		<dc:creator><![CDATA[黃小蛙]]></dc:creator>
		<pubDate>Wed, 08 Jan 2014 06:19:30 +0000</pubDate>
				<category><![CDATA[資料庫]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Web Server]]></category>
		<category><![CDATA[solrconfig.xml]]></category>
		<category><![CDATA[DataImportHandler]]></category>
		<category><![CDATA[batchSize]]></category>
		<category><![CDATA[db-data-config.xml]]></category>
		<category><![CDATA[java.sql.SQLException: Illegal value for setFetchSize()]]></category>
		<category><![CDATA[schema.xml]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[mariadb]]></category>
		<category><![CDATA[solr]]></category>
		<guid isPermaLink="false">http://wazai.net/?p=3170</guid>

					<description><![CDATA[<p>這篇文章小蛙要記錄怎麼樣新建一個 Core 並且也加入 DataImportHandler 的方法。其他相關 Solr 系列文章請參考：Solr 教學 (1) – 安裝篇Solr 教學 (2) – t&#46;&#46;&#46;</p>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/" data-wpel-link="internal">Solr 教學 (5) – 建立新的 Core</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
]]></description>
										<content:encoded><![CDATA[<p>這篇文章小蛙要記錄怎麼樣新建一個 Core 並且也加入 DataImportHandler 的方法。<br><span id="more-3170"></span>其他相關 Solr 系列文章請參考：<br><a href="https://noter.tw/3084/solr-%e6%95%99%e5%ad%b8-1-%e5%ae%89%e8%a3%9d%e7%af%87/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (1) – 安裝篇</a><br><a href="https://noter.tw/3082/solr-%e6%95%99%e5%ad%b8-2-tomcat-7-%e4%bb%a5%e5%b8%b3%e8%99%9f%e5%af%86%e7%a2%bc%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96%e9%a0%81%e9%9d%a2/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (2) – tomcat 7 以帳號密碼限制存取頁面</a><br><a href="https://noter.tw/3094/solr-%e6%95%99%e5%ad%b8-3-%e4%bb%a5-remote-address-filter-%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (3) – 以 Remote Address Filter 限制存取</a><br><a href="https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</a></p>
<p>上一篇記錄了怎麼透過 DataImportHandler 來將 MySQL 的資料匯入到 Solr 中，剛詢問了同事，一個 Core 可以大概看成資料庫中的一個 table，所以要匯入兩個不相關的 table 要用兩個 Core，雖然網路上好像有人提到可以將兩個不相干的 table 匯入到一個 Core 中，不過小蛙的 table 不多，就用簡單的做法就好。</p>
<p>小蛙的 index 環境是在 /opt/solr/example，最快的方法是直接把 example 資料夾複製一個新的並且改名字，這邊小蛙想要有一個 news 的 core， 使用自己建立必要資料夾的方法，建立以下資料夾</p>
<pre>/opt/solr/news/
/opt/solr/news/conf
/opt/solr/news/data</pre>
<p>再將原本 /opt/solr/example/conf/ 下的&nbsp;db-data-config.xml,&nbsp;schema.xml,&nbsp;solrconfig.xml 這三個檔案複製到&nbsp;/opt/solr/news/conf/ 目錄中。</p>
<p>接著修改 /opt/solr/solr.xml，加入新的 core</p>
<div>
<div id="highlighter_990520" class="syntaxhighlighter  xml">
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<div class="line number1 index0 alt2">1</div>
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<div class="line number5 index4 alt2">5</div>
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<div class="line number8 index7 alt1">8</div>
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<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="xml plain">&lt;?</code><code class="xml keyword">xml</code> <code class="xml color1">version</code><code class="xml plain">=</code><code class="xml string">"1.0"</code> <code class="xml color1">encoding</code><code class="xml plain">=</code><code class="xml string">"UTF-8"</code> <code class="xml plain">?&gt;</code></div>
<div class="line number2 index1 alt1"><code class="xml plain">&lt;</code><code class="xml keyword">solr</code> <code class="xml color1">persistent</code><code class="xml plain">=</code><code class="xml string">"true"</code><code class="xml plain">&gt;</code></div>
<div class="line number3 index2 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">cores</code> <code class="xml color1">adminPath</code><code class="xml plain">=</code><code class="xml string">"/admin/cores"</code><code class="xml plain">&gt;</code></div>
<div class="line number4 index3 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">core</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"example"</code> <code class="xml color1">instanceDir</code><code class="xml plain">=</code><code class="xml string">"example"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number5 index4 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">core</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"News"</code> <code class="xml color1">instanceDir</code><code class="xml plain">=</code><code class="xml string">"news"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number6 index5 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">...</code></div>
<div class="line number7 index6 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">cores</code><code class="xml plain">&gt;</code></div>
<div class="line number8 index7 alt1"><code class="xml plain">&lt;/</code><code class="xml keyword">solr</code><code class="xml plain">&gt;</code></div>
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</td>
</tr>
</tbody>
</table>
</div>
</div>
<p>重新啟動 tomcat。小蛙在這邊就遇到很多錯誤，因為資料夾是用 root 權限建立的，而 solr 並沒有這樣的權限可以存取，所以這邊要注意把 /opt/solr/news 下的檔案擁有權都改成 tomcat7 (看 tomcat user 叫什麼就改成那個)。</p>
<p>第二個要注意的事情是一切正常運作後，點選到 DataImport 頁面開始運行時，卻出現下面的錯誤</p>
<div>
<div id="highlighter_887532" class="syntaxhighlighter  text">
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
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<td class="gutter">
<div class="line number1 index0 alt2">1</div>
<div class="line number2 index1 alt1">2</div>
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<div class="line number4 index3 alt1">4</div>
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<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="text plain">org.apache.solr.handler.dataimport.DataImportHandlerException: Unable to execute query: select * from news Processing Document # 1</code></div>
<div class="line number2 index1 alt1"><code class="text plain">...</code></div>
<div class="line number3 index2 alt2"><code class="text plain">Caused by: java.sql.SQLException: Illegal value for setFetchSize().</code></div>
<div class="line number4 index3 alt1"><code class="text plain">...</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<p>參考資料 1,2 中提到在 db-data-config.xml 中的 &lt;dataSource 加上&nbsp;batchSize=&#8221;-1&#8243; 就可以解決這個問題囉！</p>


<p><strong>Solr 系列文章：</strong></p>



<ul class="my-li bg-darkblue wp-block-list"><li><a href="https://noter.tw/3084/solr-%e6%95%99%e5%ad%b8-1-%e5%ae%89%e8%a3%9d%e7%af%87/" data-wpel-link="internal">Solr 教學 (1) &#8211; 安裝篇</a></li><li><a href="https://noter.tw/3082/solr-%e6%95%99%e5%ad%b8-2-tomcat-7-%e4%bb%a5%e5%b8%b3%e8%99%9f%e5%af%86%e7%a2%bc%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96%e9%a0%81%e9%9d%a2/" data-wpel-link="internal">Solr 教學 (2) – tomcat 7 以帳號密碼限制存取頁面</a></li><li><a href="https://noter.tw/3094/solr-%e6%95%99%e5%ad%b8-3-%e4%bb%a5-remote-address-filter-%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96/" data-wpel-link="internal">Solr 教學 (3) – 以 Remote Address Filter 限制存取</a></li><li><a href="https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/" data-wpel-link="internal">Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</a></li><li><a href="https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/" data-wpel-link="internal">Solr 教學 (5) – 建立新的 Core</a></li></ul>



<h2 class="para wp-block-heading">參考資料</h2>



<ul class="wp-block-list"><li><a href="http://lucene.472066.n3.nabble.com/problem-on-running-fullimport-td1707206.html" target="_blank" rel="noreferrer noopener nofollow external" aria-label=" (在新分頁中開啟)" data-wpel-link="external" class="wpel-icon-right">Solr &#8211; User &#8211; problem on running fullimport<span class="wpel-icon wpel-image wpel-icon-6"></span></a></li><li><a rel="noreferrer noopener nofollow external" aria-label=" (在新分頁中開啟)" href="http://wiki.apache.org/solr/DataImportHandler#Configuring_JdbcDataSource" target="_blank" data-wpel-link="external" class="wpel-icon-right">DataImportHandler &#8211; Solr Wiki<span class="wpel-icon wpel-image wpel-icon-6"></span></a></li></ul>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/" data-wpel-link="internal">Solr 教學 (5) – 建立新的 Core</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
]]></content:encoded>
					
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			</item>
		<item>
		<title>Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</title>
		<link>https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/</link>
					<comments>https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/#respond</comments>
		
		<dc:creator><![CDATA[黃小蛙]]></dc:creator>
		<pubDate>Wed, 08 Jan 2014 04:00:17 +0000</pubDate>
				<category><![CDATA[資料庫]]></category>
		<category><![CDATA[Linux]]></category>
		<category><![CDATA[Web Server]]></category>
		<category><![CDATA[solr]]></category>
		<category><![CDATA[solrconfig.xml]]></category>
		<category><![CDATA[DataImportHandler]]></category>
		<category><![CDATA[Error loading class 'org.apache.solr.handler.dataimport.DataImportHandler']]></category>
		<category><![CDATA[匯入資料]]></category>
		<category><![CDATA[mysql]]></category>
		<category><![CDATA[mariadb]]></category>
		<guid isPermaLink="false">http://wazai.net/?p=3160</guid>

					<description><![CDATA[<p>好一陣子沒有用 Solr，接續前幾篇Solr 教學 (1) – 安裝篇Solr 教學 (2) – tomcat 7 以帳號密碼限制存取頁面Solr 教學 (3) – 以 Remote Address &#46;&#46;&#46;</p>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/" data-wpel-link="internal">Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
]]></description>
										<content:encoded><![CDATA[<p>好一陣子沒有用 Solr，接續前幾篇<br><a href="https://noter.tw/3084/solr-%e6%95%99%e5%ad%b8-1-%e5%ae%89%e8%a3%9d%e7%af%87/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (1) – 安裝篇</a><br><a href="https://noter.tw/3082/solr-%e6%95%99%e5%ad%b8-2-tomcat-7-%e4%bb%a5%e5%b8%b3%e8%99%9f%e5%af%86%e7%a2%bc%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96%e9%a0%81%e9%9d%a2/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (2) – tomcat 7 以帳號密碼限制存取頁面</a><br><a href="https://noter.tw/3094/solr-%e6%95%99%e5%ad%b8-3-%e4%bb%a5-remote-address-filter-%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96/" target="_blank" rel="noopener noreferrer" data-wpel-link="internal">Solr 教學 (3) – 以 Remote Address Filter 限制存取</a><br>這篇文章要記錄一下怎麼把 MySQL 裡面的資料匯入成 Solr 的索引檔。<br><span id="more-3160"></span>小蛙從參考資料1中發現匯入的動作好像不困難，就照著做下來，這邊也順便記錄一下可能會遇到的問題。</p>
<ol>
<li>修改 solrconfig.xml，這個是前幾篇提到 core 下面的，小蛙的目錄是 <span style="color: #ff0000;"><strong>/opt/solr/example/conf</strong></span>，這邊 db-data-config.xml 可以改成自己想要的名字，也可以直接使用相對路徑，考慮可能會有移機的狀況，還是盡可能使用相對路徑。
<div>
<div id="highlighter_747430" class="syntaxhighlighter  xml">
<table border="0" cellspacing="0" cellpadding="0">
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<div class="line number1 index0 alt2">1</div>
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<div class="line number5 index4 alt2">5</div>
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<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="xml plain">&lt;</code><code class="xml keyword">requestHandler</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"/dataimport"</code> <code class="xml color1">class</code><code class="xml plain">=</code><code class="xml string">"org.apache.solr.handler.dataimport.DataImportHandler"</code><code class="xml plain">&gt;</code></div>
<div class="line number2 index1 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">lst</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"defaults"</code><code class="xml plain">&gt;</code></div>
<div class="line number3 index2 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">str</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"config"</code><code class="xml plain">&gt;db-data-config.xml&lt;/</code><code class="xml keyword">str</code><code class="xml plain">&gt;</code></div>
<div class="line number4 index3 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">lst</code><code class="xml plain">&gt;</code></div>
<div class="line number5 index4 alt2"><code class="xml plain">&lt;/</code><code class="xml keyword">requestHandler</code><code class="xml plain">&gt;</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li>
<li>新增資料庫連線檔 db-data-config.xml，這個檔名是上面自己設定的，跟 solrconfig.xml 放在同一個目錄下即可。依自己的環境修改 url, user, password，以及 SQL 語法及欄位對應，這邊的 field name 是資料庫的欄位。
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<div class="line number11 index10 alt2">11</div>
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<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="xml plain">&lt;</code><code class="xml keyword">dataConfig</code><code class="xml plain">&gt;</code></div>
<div class="line number2 index1 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">dataSource</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"JdbcDataSource"</code> <code class="xml color1">driver</code><code class="xml plain">=</code><code class="xml string">"com.mysql.jdbc.Driver"</code> <code class="xml color1">url</code><code class="xml plain">=</code><code class="xml string">"jdbc:<a href="mysql://localhost:3306/test" target="_blank" rel="noopener" data-wpel-link="internal">mysql://localhost:3306/test</a>"</code> <code class="xml color1">user</code><code class="xml plain">=</code><code class="xml string">"myusername"</code> <code class="xml color1">password</code><code class="xml plain">=</code><code class="xml string">"mypassword"</code><code class="xml plain">/&gt;</code></div>
<div class="line number3 index2 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">document</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"mydocument"</code><code class="xml plain">&gt;</code></div>
<div class="line number4 index3 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">entity</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"item"</code> <code class="xml color1">query</code><code class="xml plain">=</code><code class="xml string">"SELECT * FROM stockTable"</code><code class="xml plain">&gt;</code></div>
<div class="line number5 index4 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">column</code><code class="xml plain">=</code><code class="xml string">"ID"</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"id"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number6 index5 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">column</code><code class="xml plain">=</code><code class="xml string">"SNO"</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"no"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number7 index6 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">column</code><code class="xml plain">=</code><code class="xml string">"SNAME"</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"name"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number8 index7 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">column</code><code class="xml plain">=</code><code class="xml string">"STYPE"</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"type"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number9 index8 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">entity</code><code class="xml plain">&gt;</code></div>
<div class="line number10 index9 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">document</code><code class="xml plain">&gt;</code></div>
<div class="line number11 index10 alt2"><code class="xml plain">&lt;/</code><code class="xml keyword">dataConfig</code><code class="xml plain">&gt;</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li>
<li>修改 schema.xml，改成自己的設定
<div>
<div id="highlighter_199988" class="syntaxhighlighter  xml">
<table border="0" cellspacing="0" cellpadding="0">
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<div class="line number36 index35 alt1">36</div>
</td>
<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="xml plain">&lt;?</code><code class="xml keyword">xml</code> <code class="xml color1">version</code><code class="xml plain">=</code><code class="xml string">"1.0"</code> <code class="xml plain">?&gt;</code></div>
<div class="line number2 index1 alt1"><code class="xml comments">&lt;!--</code></div>
<div class="line number3 index2 alt2"><code class="xml spaces">&nbsp;</code><code class="xml comments">Licensed to the Apache Software Foundation (ASF) under one or more</code></div>
<div class="line number4 index3 alt1"><code class="xml spaces">&nbsp;</code><code class="xml comments">contributor license agreements. See the NOTICE file distributed with</code></div>
<div class="line number5 index4 alt2"><code class="xml spaces">&nbsp;</code><code class="xml comments">this work for additional information regarding copyright ownership.</code></div>
<div class="line number6 index5 alt1"><code class="xml spaces">&nbsp;</code><code class="xml comments">The ASF licenses this file to You under the Apache License, Version 2.0</code></div>
<div class="line number7 index6 alt2"><code class="xml spaces">&nbsp;</code><code class="xml comments">(the "License"); you may not use this file except in compliance with</code></div>
<div class="line number8 index7 alt1"><code class="xml spaces">&nbsp;</code><code class="xml comments">the License. You may obtain a copy of the License at</code></div>
<div class="line number9 index8 alt2"><code class="xml comments"><a href="http://www.apache.org/licenses/LICENSE-2.0" target="_blank" rel="noopener nofollow external noreferrer" data-wpel-link="external" class="wpel-icon-right">http://www.apache.org/licenses/LICENSE-2.0<span class="wpel-icon wpel-image wpel-icon-6"></span></a></code></div>
<div class="line number10 index9 alt1"><code class="xml comments">Unless required by applicable law or agreed to in writing, software</code></div>
<div class="line number11 index10 alt2"><code class="xml spaces">&nbsp;</code><code class="xml comments">distributed under the License is distributed on an "AS IS" BASIS,</code></div>
<div class="line number12 index11 alt1"><code class="xml spaces">&nbsp;</code><code class="xml comments">WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</code></div>
<div class="line number13 index12 alt2"><code class="xml spaces">&nbsp;</code><code class="xml comments">See the License for the specific language governing permissions and</code></div>
<div class="line number14 index13 alt1"><code class="xml spaces">&nbsp;</code><code class="xml comments">limitations under the License.</code></div>
<div class="line number15 index14 alt2"><code class="xml comments">--&gt;</code></div>
<div class="line number16 index15 alt1"><code class="xml plain">&lt;</code><code class="xml keyword">schema</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"example core zero"</code> <code class="xml color1">version</code><code class="xml plain">=</code><code class="xml string">"1.1"</code><code class="xml plain">&gt;</code></div>
<div class="line number17 index16 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">types</code><code class="xml plain">&gt;</code></div>
<div class="line number18 index17 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">fieldtype</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"string"</code> <code class="xml color1">class</code><code class="xml plain">=</code><code class="xml string">"solr.StrField"</code> <code class="xml color1">sortMissingLast</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">omitNorms</code><code class="xml plain">=</code><code class="xml string">"true"</code><code class="xml plain">/&gt;</code></div>
<div class="line number19 index18 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">fieldType</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"long"</code> <code class="xml color1">class</code><code class="xml plain">=</code><code class="xml string">"solr.TrieLongField"</code> <code class="xml color1">precisionStep</code><code class="xml plain">=</code><code class="xml string">"0"</code> <code class="xml color1">positionIncrementGap</code><code class="xml plain">=</code><code class="xml string">"0"</code><code class="xml plain">/&gt;</code></div>
<div class="line number20 index19 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">types</code><code class="xml plain">&gt;</code></div>
<div class="line number21 index20 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">fields</code><code class="xml plain">&gt;</code></div>
<div class="line number22 index21 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml comments">&lt;!-- general --&gt;</code></div>
<div class="line number23 index22 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"id"</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"string"</code> <code class="xml color1">indexed</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">stored</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">multiValued</code><code class="xml plain">=</code><code class="xml string">"false"</code> <code class="xml color1">required</code><code class="xml plain">=</code><code class="xml string">"true"</code><code class="xml plain">/&gt;</code></div>
<div class="line number24 index23 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"no"</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"string"</code> <code class="xml color1">indexed</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">stored</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">multiValued</code><code class="xml plain">=</code><code class="xml string">"false"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number25 index24 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"name"</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"string"</code> <code class="xml color1">indexed</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">stored</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">multiValued</code><code class="xml plain">=</code><code class="xml string">"false"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number26 index25 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"type"</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"string"</code> <code class="xml color1">indexed</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">stored</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">multiValued</code><code class="xml plain">=</code><code class="xml string">"false"</code> <code class="xml plain">/&gt;</code></div>
<div class="line number27 index26 alt2"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml comments">&lt;!-- 這個 _version_ 如果拿掉會報錯 --&gt;</code></div>
<div class="line number28 index27 alt1"><code class="xml spaces">&nbsp;&nbsp;&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">field</code> <code class="xml color1">name</code><code class="xml plain">=</code><code class="xml string">"_version_"</code> <code class="xml color1">type</code><code class="xml plain">=</code><code class="xml string">"long"</code> <code class="xml color1">indexed</code><code class="xml plain">=</code><code class="xml string">"true"</code> <code class="xml color1">stored</code><code class="xml plain">=</code><code class="xml string">"true"</code><code class="xml plain">/&gt;</code></div>
<div class="line number29 index28 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;/</code><code class="xml keyword">fields</code><code class="xml plain">&gt;</code></div>
<div class="line number30 index29 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml comments">&lt;!-- 主鍵 --&gt;</code></div>
<div class="line number31 index30 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">uniqueKey</code><code class="xml plain">&gt;id&lt;/</code><code class="xml keyword">uniqueKey</code><code class="xml plain">&gt;</code></div>
<div class="line number32 index31 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml comments">&lt;!-- 沒有設定欄位時的預設搜尋 --&gt;</code></div>
<div class="line number33 index32 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">defaultSearchField</code><code class="xml plain">&gt;name&lt;/</code><code class="xml keyword">defaultSearchField</code><code class="xml plain">&gt;</code></div>
<div class="line number34 index33 alt1"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml comments">&lt;!-- 空白串接關鍵字時預設使用 OR 或是 AND --&gt;</code></div>
<div class="line number35 index34 alt2"><code class="xml spaces">&nbsp;&nbsp;</code><code class="xml plain">&lt;</code><code class="xml keyword">solrQueryParser</code> <code class="xml color1">defaultOperator</code><code class="xml plain">=</code><code class="xml string">"OR"</code><code class="xml plain">/&gt;</code></div>
<div class="line number36 index35 alt1"><code class="xml plain">&lt;/</code><code class="xml keyword">schema</code><code class="xml plain">&gt;</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
</li>
<li>這時候因為連結的是 MySQL，所以需要 mysql connector，假設使用的是 oracle 就要下載 ojdbc 來使用，MySQL Connector/J 到 <a href="http://dev.mysql.com/downloads/connector/j/" target="_blank" rel="noopener noreferrer nofollow external" data-wpel-link="external" class="wpel-icon-right">MySQL 官網<span class="wpel-icon wpel-image wpel-icon-6"></span></a>下載。選擇&nbsp;<span style="color: #0000ff;"><strong>Platform Independent</strong> </span>後下載壓縮檔，解壓縮後只需要裡面的&nbsp;<span style="color: #ff0000;"><strong>mysql-connector-java-x.x.xx-bin.jar</strong></span> 這個檔案，把這個檔案放在 solr lib 目錄下，以小蛙的環境為例，是直接放在<span style="color: #0000ff;"><strong> /var/lib/tomcat7/webapps/solr/WEB-INF/lib</strong> </span>目錄下，當 tomcat 啟動 solr 專案時就會自動被載入。</li>
<li>到這邊似乎都沒問題，在小蛙準備要重新啟動 tomcat 讓設定生效的時候，卻一直出現這樣子的錯誤
<div>
<div id="highlighter_65283" class="syntaxhighlighter  bash">
<table border="0" cellspacing="0" cellpadding="0">
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<td class="gutter">
<div class="line number1 index0 alt2">1</div>
<div class="line number2 index1 alt1">2</div>
<div class="line number3 index2 alt2">3</div>
<div class="line number4 index3 alt1">4</div>
<div class="line number5 index4 alt2">5</div>
<div class="line number6 index5 alt1">6</div>
<div class="line number7 index6 alt2">7</div>
<div class="line number8 index7 alt1">8</div>
</td>
<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="bash plain">org.apache.solr.common.SolrException: RequestHandler init failure</code></div>
<div class="line number2 index1 alt1"><code class="bash plain">...</code></div>
<div class="line number3 index2 alt2"><code class="bash plain">Caused by: org.apache.solr.common.SolrException: RequestHandler init failure</code></div>
<div class="line number4 index3 alt1"><code class="bash plain">...</code></div>
<div class="line number5 index4 alt2"><code class="bash plain">Caused by: org.apache.solr.common.SolrException: Error loading class </code><code class="bash string">'org.apache.solr.handler.dataimport.DataImportHandler'</code></div>
<div class="line number6 index5 alt1"><code class="bash plain">...</code></div>
<div class="line number7 index6 alt2"><code class="bash plain">Caused by: java.lang.ClassNotFoundException: org.apache.solr.handler.dataimport.DataImportHandler</code></div>
<div class="line number8 index7 alt1"><code class="bash plain">...</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<p>錯誤真的要看清楚，小蛙當時只有看到前三個，一直以為是設定檔哪裡出錯，一個一個找了好久，才發現第四個錯誤 java.lang.ClassNotFoundException，上面這些錯誤都是因為根本找不到 org.apache.solr.handler.dataimport.DataImportHandler 引起的，在網路上搜尋了一下，有一些網友分享這個檔案存在於下載回來 solr 的 dist 目錄中，可以透過在 solrconfig.xml 中設定 lib 的讀取路徑，小蛙則是把&nbsp;solr-dataimporthandler-4.5.0.jar,&nbsp;solr-dataimporthandler-extras-4.5.0.jar 這兩個 jar 直接複製到&nbsp;<span style="color: #0000ff;"><strong>/var/lib/tomcat7/webapps/solr/WEB-INF/lib </strong></span>目錄中。</p>
</li>
<li>重新啟動 tomcat 後，solr 畫面可以正常進入，左邊 Core Selector 下拉選單選到自己的 Core 後再選擇 DataImport，
<div>
<div id="highlighter_543646" class="syntaxhighlighter  text">
<table border="0" cellspacing="0" cellpadding="0">
<tbody>
<tr>
<td class="gutter">
<div class="line number1 index0 alt2">1</div>
<div class="line number2 index1 alt1">2</div>
<div class="line number3 index2 alt2">3</div>
<div class="line number4 index3 alt1">4</div>
<div class="line number5 index4 alt2">5</div>
<div class="line number6 index5 alt1">6</div>
<div class="line number7 index6 alt2">7</div>
</td>
<td class="code">
<div class="container">
<div class="line number1 index0 alt2"><code class="text plain">// full-import : 全部匯入；delta-import : 只匯入變更部分</code></div>
<div class="line number2 index1 alt1"><code class="text plain">Command -&gt; full-import</code></div>
<div class="line number3 index2 alt2"><code class="text plain">// verbose 打勾可以看到詳細訊息</code></div>
<div class="line number4 index3 alt1"><code class="text plain">v Verbose</code></div>
<div class="line number5 index4 alt2"><code class="text plain">// 選擇剛剛設定檔新增的名稱</code></div>
<div class="line number6 index5 alt1"><code class="text plain">Entity -&gt; item</code></div>
<div class="line number7 index6 alt2"><code class="text plain">執行 Execute</code></div>
</div>
</td>
</tr>
</tbody>
</table>
</div>
</div>
<p>完成後可以看到「<strong><span style="color: #008000;">Indexing completed. Added/Updated: 12701 documents. Deleted 0 documents. (Duration: 14s)</span></strong>」</p>
</li>
<li>大功告成！檢查看看是否正常匯入，點選左邊的 Query，測試 Execute Query 看看資料正不正確。</li>
</ol>
<p><strong>參考資料：</strong></p>
<ol>
<li>[Solr] Solr 學習筆記(五) 設定 Data Import Handler 直接從 MySQL 把資料匯入 @&nbsp;長島冰茶的工程師筆記<br>
<address><a href="http://wbkuo.pixnet.net/blog/post/156125771-%5Bsolr%5D-solr-%E5%AD%B8%E7%BF%92%E7%AD%86%E8%A8%98(%E4%BA%94)-%E8%A8%AD%E5%AE%9A-data-import-handler-%E7%9B%B4" target="_blank" rel="noopener noreferrer nofollow external" data-wpel-link="external" class="wpel-icon-right">http://wbkuo.pixnet.net/blog/post/156125771-%5Bsolr%5D-solr-%E5%AD%B8%E7%BF%92%E7%AD%86%E8%A8%98(%E4%BA%94)-%E8%A8%AD%E5%AE%9A-data-import-handler-%E7%9B%B4<span class="wpel-icon wpel-image wpel-icon-6"></span></a></address>
</li>
</ol>


<p><strong>Solr 系列文章：</strong></p>



<ul class="my-li bg-darkblue wp-block-list"><li><a href="https://noter.tw/3084/solr-%e6%95%99%e5%ad%b8-1-%e5%ae%89%e8%a3%9d%e7%af%87/" data-wpel-link="internal">Solr 教學 (1) &#8211; 安裝篇</a></li><li><a href="https://noter.tw/3082/solr-%e6%95%99%e5%ad%b8-2-tomcat-7-%e4%bb%a5%e5%b8%b3%e8%99%9f%e5%af%86%e7%a2%bc%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96%e9%a0%81%e9%9d%a2/" data-wpel-link="internal">Solr 教學 (2) – tomcat 7 以帳號密碼限制存取頁面</a></li><li><a href="https://noter.tw/3094/solr-%e6%95%99%e5%ad%b8-3-%e4%bb%a5-remote-address-filter-%e9%99%90%e5%88%b6%e5%ad%98%e5%8f%96/" data-wpel-link="internal">Solr 教學 (3) – 以 Remote Address Filter 限制存取</a></li><li><a href="https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/" data-wpel-link="internal">Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</a></li><li><a href="https://noter.tw/3170/solr-%e6%95%99%e5%ad%b8-5-%e5%bb%ba%e7%ab%8b%e6%96%b0%e7%9a%84-core/" data-wpel-link="internal">Solr 教學 (5) – 建立新的 Core</a></li></ul>
<p>這篇文章 <a rel="nofollow" href="https://noter.tw/3160/solr-%e6%95%99%e5%ad%b8-4-%e4%bd%bf%e7%94%a8-dataimport-%e5%8c%af%e5%85%a5%e8%b3%87%e6%96%99%e5%ba%ab%e8%b3%87%e6%96%99/" data-wpel-link="internal">Solr 教學 (4) – 使用 DataImport 匯入資料庫資料</a> 最早出現於 <a rel="nofollow" href="https://noter.tw" data-wpel-link="internal">記下來</a>。</p>
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