質問編集履歴
1
ソースとエラー文を修正
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@@ -5,7 +5,6 @@
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#症状
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Java servletでLuceneを利用しようとしたところ、実行時に以下のメッセージとともに500エラーが返ってきました。
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-
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> type 例外レポート
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>
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> メッセージ サーブレットの実行により例外を投げました
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@@ -19,11 +18,21 @@
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> 原因
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> java.lang.NoClassDefFoundError: org/apache/lucene/search/spell/LevensteinDistance
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> servlet.index1.doGet(index1.java:
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> servlet.index1.doGet(index1.java:26)
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> javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
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> javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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> 原因
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>
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> java.lang.ClassNotFoundException: org.apache.lucene.search.spell.LevensteinDistance
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> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1333)
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> org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1167)
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> servlet.index1.doGet(index1.java:26)
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> javax.servlet.http.HttpServlet.service(HttpServlet.java:622)
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> javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
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> org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
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#実施手順
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以下のような手順で実施しました。
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⑥__500エラー__
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```java
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package servlet;
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import java.io.IOException;
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import java.io.PrintWriter;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.apache.lucene.search.spell.LevensteinDistance;
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@WebServlet("/index1")
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public class index1 extends HttpServlet {
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private static final long serialVersionUID = 1L;
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public index1() {
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super();
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@Override
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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LevensteinDistance levensteinAlgorithm = new LevensteinDistance();
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PrintWriter out = response.getWriter();
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out.println("<html>");
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out.println("<head>");
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@@ -65,15 +78,12 @@
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out.println("</head>");
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out.println("<body>");
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out.println("<h1>Hello World!</h1>");
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LevensteinDistance levensteinAlgorithm = new LevensteinDistance();
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out.println("結果①:" + levensteinAlgorithm.getDistance("resolution", "revolution"));
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out.println("結果②:" + levensteinAlgorithm.getDistance("take", "sake"));
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out.println("結果③:" + levensteinAlgorithm.getDistance("teacher", "teach"));
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out.println("結果④:" + levensteinAlgorithm.getDistance("let it go", "let's and go"));
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out.println("結果⑤:" + levensteinAlgorithm.getDistance("mountaingorilla", "fish"));
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//ここまで追加
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out.println("<p>First Servlet</p>");
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out.println("</body></html>");
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