Oracle Seeker, Oracle探索者

java.sql.SQLException: Listener refused the connection with the following error:
ORA-12519, TNS:no appropriate service handler found
The Connection descriptor used by the client was:
localhost:1521:xe
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:112)
  at oracle.jdbc.driver.DatabaseError.throwSqlException(DatabaseError.java:261)
  at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:387)
  at oracle.jdbc.driver.PhysicalConnection.(PhysicalConnection.java:420)
  at oracle.jdbc.driver.T4CConnection.(T4CConnection.java:165)
  at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:35)
  at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:801)
  at com.mchange.v2.c3p0.DriverManagerDataSource.getConnection(DriverManagerDataSource.java:81)
  at com.mchange.v2.c3p0.WrapperConnectionPoolDataSource.getPooledConnection(WrapperConnectionPoolDataSource.java:96)
  at com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool$1.acquireResource(C3P0PooledConnectionPool.java:89)
  at com.mchange.v2.resourcepool.BasicResourcePool.acquireUntil(BasicResourcePool.java:665)
  at com.mchange.v2.resourcepool.BasicResourcePool.access$500(BasicResourcePool.java:32)
  at com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask.run(BasicResourcePool.java:1204)
  at com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread.run(ThreadPoolAsynchronousRunner.java:368)

5
10

package com.oracleseeker.tools;
 
import java.io.File;
import java.util.ArrayList;
import java.util.List;
 
public class CreatePluginsConfig {
 
	private String path;
 
	public CreatePluginsConfig(String path) {
		this.path = path;
	}
 
	public void print() {
		List list = getFileList(path);
		if (list == null) {
			return;
		}
 
		int length = list.size();
		for (int i = 0; i < length; i++) {
			String result = "";
			String thePath = getFormatPath(getString(list.get(i)));
			File file = new File(thePath);
			if (file.isDirectory()) {
				String fileName = file.getName();
				if (fileName.indexOf("_") < 0) {
					continue;
				}
				String[] filenames = fileName.split("_");
				String filename1 = filenames[0];
				String filename2 = filenames[1];
				result = filename1 + "," + filename2 + ",file:/" + path + "\\"
						+ fileName + "\\,4,false";
				System.out.println(result);
			} else if (file.isFile()) {
				String fileName = file.getName();
				if (fileName.indexOf("_") < 0) {
					continue;
				}
				int last = fileName.lastIndexOf("_");
				String filename1 = fileName.substring(0, last);
				String filename2 = fileName.substring(last + 1, fileName
						.length() - 4);
				result = filename1 + "," + filename2 + ",file:/" + path + "\\"
						+ fileName + ",4,false";
				System.out.println(result);
			}
		}
	}
 
	public List getFileList(String path) {
		path = getFormatPath(path);
		path = path + "/";
		File filePath = new File(path);
		if (!filePath.isDirectory()) {
			return null;
		}
		String[] filelist = filePath.list();
		List filelistFilter = new ArrayList();
 
		for (int i = 0; i < filelist.length; i++) {
			String tempfilename = getFormatPath(path + filelist[i]);
			filelistFilter.add(tempfilename);
		}
		return filelistFilter;
	}
 
	public String getString(Object object) {
		if (object == null) {
			return "";
		}
		return String.valueOf(object);
	}
 
	public String getFormatPath(String path) {
		path = path.replaceAll("\\\\", "/");
		path = path.replaceAll("//", "/");
		return path;
	}
 
	public static void main(String[] args) {
		//new CreatePluginsConfig("C:\\eclipse-plugins\\plugins\\JBossTools-2.1.2.GA-ALL-win32").print();
		new CreatePluginsConfig("D:\\Genuitec\\MyPlugins\\jbpm-jpdl-designer-3.0.11").print();
 
	}
}

C:\Users\Arone.Zhang > tnsping xe
 
TNS Ping Utility for 32-bit Windows: Version 10.2.0.1.0 - Production on 10-1月 -
2009 23:24:30
 
Copyright (c) 1997, 2005, Oracle.  All rights reserved.
 
已使用的参数文件:
C:\oraclexe\app\oracle\product\10.2.0\server\network\admin\sqlnet.ora
 
已使用 TNSNAMES 适配器来解析别名
Attempting to contact (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = aronezha
ng)(PORT = 1521)) (CONNECT_DATA = (SERVICE_NAME = XE)))
OK (30 毫秒)