package cxz.jndi;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.util.Properties;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.sql.DataSource;
public class GetJndi {
public static void main(String[] args) throws Exception {
Properties properties = new Properties();
properties.put("java.naming.factory.initial",
"org.jnp.interfaces.NamingContextFactory");
properties.put(Context.PROVIDER_URL, "jnp://localhost:1099");
properties.put("java.naming.factory.url.pkgs",
"org.jboss.naming:org.jnp.interfaces");
InitialContext ctx = new InitialContext(properties);
DataSource datasource = (DataSource) ctx.lookup("java:/OracleDS");
Connection conn = datasource.getConnection();
PreparedStatement pstmt = conn.prepareStatement("select count(*) as counter from jobs");
ResultSet rs = pstmt.executeQuery();
if(rs.next()){
System.out.println(rs.getInt(1));
}
}
}
然後在jboss中配置數據源。
注意點
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利用這個腳本啓動./run.sh -b 192.168.1.200 -Djboss.bind.adress=0.0.0.0
客戶端工程需要jboss/client/lib下的某個包
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如果你需要利用jconsole管理jboss,修改腳本run.sh將JAVA_OPTS="$JAVA_OPTS -Dprogram.name=$PROGNAME "修改爲:JAVA_OPTS="$JAVA_OPTS -Dprogram.name=$PROGNAME -Dcom.sun.management.jmxremote.port=9999 -Dcom.sun.management.jmxremote.authenticate=false -Dcom.sun.management.jmxremote.ssl=false"