oracle 11g连不上，求原因，急！~

[qq_42474434]

数据库在本机安装的测试环境，怎么都连不上。服务和监听都已正常启动，就是找不到原因，请各位高手帮忙看看，有什么问题，不胜感激。
报错信息：
java.sql.SQLRecoverableException: IO 错误: The Network Adapter could not establish the connection
Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection
Caused by: java.net.ConnectException: Connection refused: connect
数据库是本机装的
url：jdbc:oracle:thin:@USER-20180611FZ:1521/ORCL
tnsnames.ini配置
# tnsnames.ora Network Configuration File: E:\app\Administrator\product\11.2.0\dbhome_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.

ORACLR_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
(CONNECT_DATA =
(SID = CLRExtProc)
(PRESENTATION = RO)
)
)

ORCL =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = USER-20180611FZ)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = orcl)
)
)

listener.ora配置如下：
# listener.ora Network Configuration File: E:\app\Administrator\product\11.2.0\dbhome_1\network\admin\listener.ora
# Generated by Oracle configuration tools.

SID_LIST_LISTENER =
(SID_LIST =
(SID_DESC =
(SID_NAME = CLRExtProc)
(ORACLE_HOME = E:\app\Administrator\product\11.2.0\dbhome_1)
(PROGRAM = extproc)
(ENVS = "EXTPROC_DLLS=ONLY:E:\app\Administrator\product\11.2.0\dbhome_1\bin\oraclr11.dll")
)
)

LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = USER-20180611FZ)(PORT = 1521))
)
)

ADR_BASE_LISTENER = E:\app\Administrator

[stacksoverflow]

看看防火墙有没有问题

[qq_42474434]

引用 1 楼 stacksoverflow的回复:

看看防火墙有没有问题

没有开任何防火墙

[QWERT4745]

jdbc:oracle:thin:@//localhost:1521/orcl

[诺丽果]

url改成这个：jdbc:oracle:thin:@//localhost:1521:orcl，还有你有没有用本地的客户端连接试试