DBが下記のようなものからデータを抽出して
csvファイルに吐き出すプログラムを下記の通り
作成しましたが404エラーとなります。
エラーのメッセージは下記の通りです。
何か解決策ないでしょうか?
DB sample
table sales
カラム No int、Date date,CD int
(環境)
Mysql
Eclipse
JDK1.8.0_45
Tomcat 6.0
(エラーログ)
6 25, 2016 9:29:01 午前 org.apache.catalina.core.AprLifecycleListener init
情報: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jdk1.8.0_45\bin;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre1.8.0_65/bin/client;C:/Program Files/Java/jre1.8.0_65/bin;C:/Program Files/Java/jre1.8.0_65/lib/i386;C:\ProgramData\Oracle\Java\javapath;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files\Common Files\Roxio Shared\DLLShared;C:\Program Files\Common Files\Roxio Shared\10.0\DLLShared;C:\Program Files\Intel\WiFi\bin;C:\Program Files\Common Files\Intel\WirelessCommon;C:\Program Files\Java\jdk1.8.0_45\bin;C:\TMJF\maven3\apache-maven-3.0.3\bin;C:\Program Files\QuickTime\QTSystem;C:\eclipse\eclipse-jee-luna-SR2-win32\eclipse;c:\Program Files\Microsoft SQL Server\110\Tools\Binn;c:\Program Files\Microsoft SQL Server\110\DTS\Binn;c:\Program Files\Microsoft SQL Server\110\Tools\Binn\ManagementStudio;C:\Program Files\MySQL\MySQL Server 5.1\bin;C:\Program Files\apache-maven-3.0.3\bin;C:\Program Files\apache-ant-1.8.0\bin;C:\Program Files\MySQL\bin;C:\Mysql\bin;C:\eclipse\eclipse;;.
6 25, 2016 9:29:02 午前 org.apache.tomcat.util.digester.SetPropertiesRule begin
警告: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:dbPrj' did not find a matching property.
6 25, 2016 9:29:02 午前 org.apache.coyote.http11.Http11Protocol init
情報: Coyote HTTP/1.1を http-8080 で初期化します
6 25, 2016 9:29:02 午前 org.apache.catalina.startup.Catalina load
6 25, 2016 9:29:02 午前 org.apache.catalina.startup.Catalina start
情報: Server startup in 386 ms
//(Csv.javaのソース)
import java.io.;
import java.util.;
import java.sql.*;
public class Csv {
public Csv() { super(); } public static void main(java.lang.String[] args) { try { Csv dbWriter = new Csv(); dbWriter.createCSV("c:\\work\\test.txt", ""); } catch (Exception e) { System.out.println("エラーです"); e.printStackTrace(); } } protected void createCSV(String fileName, String sql) throws Exception { Vector datas = new Vector(); Class.forName("com.mysql.jdbc.Driver"); Connection conn = DriverManager.getConnection("jdbc:mysql://localhost/sample", "root", "root"); Statement stmt = conn.createStatement(); ResultSet rs = stmt.executeQuery("select * from sales inner join customer ON sales.OrderNo = customer.OrderNo"); File file = new File(fileName); FileWriter fw = new FileWriter(file); ResultSetMetaData meta = rs.getMetaData(); int cnt = meta.getColumnCount(); for (int i = 1; i <= cnt; i++) { String colName = meta.getColumnName(i); datas.add(colName); } writeData(fw, datas); while (rs.next()) { for (int i = 1; i <= cnt; i++) { String data = rs.getString(i); datas.add(data); } writeData(fw, datas); } fw.close(); } protected void writeData(FileWriter fw, Vector datas) throws IOException { String buf = ""; if (datas != null && !datas.isEmpty()) { for (int i = 0; i < datas.size(); i++) { if (i > 0) { buf += ","; } buf += (String) datas.get(i); } buf += "\n"; fw.write(buf); datas.clear(); } }
}
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