如何解决错误:org.springframework.jdbc.CannotGetJdbcConnectionException:网络适配器无法建立连接
我目前正在我的 Apache Tomcat 服务器上通过 Netbeans 运行 Spring 应用程序。但是,每当我尝试将其部署到服务器时,它都会在站点上显示一个空白页面,并且跟踪会返回以下错误。
2021-07-30 13:49:29,590 [http-nio-8080-exec-5] DEBUG (AbstractApplicationContext.java:272) Publishing event in context [org.springframework.web.context.support.XmlWebApplicationContext@d60c903]: ServletRequestHandledEvent: url=[/vendor-portal/Login.html;jsessionid=E6EC56451EDB00F325F11D16009D5FFF]; client=[0:0:0:0:0:0:0:1]; method=[GET]; servlet=[SiteAdmin]; session=[E6EC56451EDB00F325F11D16009D5FFF]; user=[null]; time=[2682ms]; status=[Failed: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.sqlException: Io exception: The Network Adapter Could not establish the connection]
2021-07-30 13:49:29,591 [http-nio-8080-exec-5] DEBUG (AbstractApplicationContext.java:272) Publishing event in context [org.springframework.web.context.support.XmlWebApplicationContext@e7b8ad8]: ServletRequestHandledEvent: url=[/vendor-portal/Login.html;jsessionid=E6EC56451EDB00F325F11D16009D5FFF]; client=[0:0:0:0:0:0:0:1]; method=[GET]; servlet=[SiteAdmin]; session=[E6EC56451EDB00F325F11D16009D5FFF]; user=[null]; time=[2682ms]; status=[Failed: org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.sqlException: Io exception: The Network Adapter Could not establish the connection]
org.springframework.web.util.nestedservletexception: Request processing Failed; nested exception is org.springframework.jdbc.CannotGetJdbcConnectionException: Could not get JDBC Connection; nested exception is java.sql.sqlException: Io exception: The Network Adapter Could not establish the connection
jdbc 驱动程序似乎无法连接到所需的数据库。我已经检查了 jdbc.properties 文件中的 url 和凭据,它们是正确的。
我还确认我可以使用 sqlDeveloper 很好地连接到数据库。因此,无论问题是什么,都必须与我的应用或服务器有关。
感谢可以提供的任何帮助或建议
更新:一位用户告诉我包含 netstat 的输出以显示正在侦听的端口。
Active Connections
Proto Local Address Foreign Address State
TCP 0.0.0.0:135 0.0.0.0:0 LISTENING
TCP 0.0.0.0:445 0.0.0.0:0 LISTENING
TCP 0.0.0.0:3306 0.0.0.0:0 LISTENING
TCP 0.0.0.0:5040 0.0.0.0:0 LISTENING
TCP 0.0.0.0:5357 0.0.0.0:0 LISTENING
TCP 0.0.0.0:8080 0.0.0.0:0 LISTENING
TCP 0.0.0.0:33060 0.0.0.0:0 LISTENING
TCP 0.0.0.0:45556 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49664 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49665 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49666 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49667 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49673 0.0.0.0:0 LISTENING
TCP 0.0.0.0:49694 0.0.0.0:0 LISTENING
TCP 10.64.140.111:139 0.0.0.0:0 LISTENING
TCP 10.64.140.111:49219 162.247.243.147:443 ESTABLISHED
TCP 10.64.140.111:49754 104.18.21.134:443 ESTABLISHED
TCP 10.64.140.111:50305 172.217.164.232:443 ESTABLISHED
TCP 10.64.140.111:51074 104.18.21.134:443 ESTABLISHED
TCP 10.64.140.111:51089 142.251.4.156:443 TIME_WAIT
TCP 10.64.140.111:51795 104.16.167.35:443 ESTABLISHED
TCP 10.64.140.111:52139 104.16.65.85:443 ESTABLISHED
TCP 10.64.140.111:52685 99.84.248.214:443 ESTABLISHED
TCP 10.64.140.111:53503 199.232.37.188:443 ESTABLISHED
TCP 10.64.140.111:53735 3.17.222.216:443 ESTABLISHED
TCP 10.64.140.111:54984 206.19.49.186:443 ESTABLISHED
TCP 10.64.140.111:56228 99.84.174.69:443 ESTABLISHED
TCP 10.64.140.111:56959 3.231.47.171:443 ESTABLISHED
TCP 10.64.140.111:56961 52.42.20.36:8883 ESTABLISHED
TCP 10.64.140.111:57167 104.18.21.134:443 TIME_WAIT
TCP 10.64.140.111:57877 3.17.222.216:443 ESTABLISHED
TCP 10.64.140.111:57879 104.16.65.85:443 ESTABLISHED
TCP 10.64.140.111:57922 172.217.164.194:443 ESTABLISHED
TCP 10.64.140.111:58060 104.18.21.134:443 TIME_WAIT
TCP 10.64.140.111:58393 199.232.37.27:443 ESTABLISHED
TCP 10.64.140.111:58801 157.185.170.217:443 ESTABLISHED
TCP 10.64.140.111:59941 99.84.253.60:443 ESTABLISHED
TCP 10.64.140.111:59948 52.226.139.185:443 ESTABLISHED
TCP 10.64.140.111:59964 54.191.40.225:443 TIME_WAIT
TCP 10.64.140.111:59965 54.191.40.225:443 TIME_WAIT
TCP 10.64.140.111:59966 34.208.93.89:443 ESTABLISHED
TCP 10.64.140.111:60046 54.236.103.189:443 ESTABLISHED
TCP 10.64.140.111:60416 157.185.170.217:443 ESTABLISHED
TCP 10.64.140.111:60424 89.187.178.102:443 ESTABLISHED
TCP 10.64.140.111:61612 99.84.253.60:443 ESTABLISHED
TCP 10.64.140.111:61789 199.232.37.27:443 ESTABLISHED
TCP 10.64.140.111:61790 34.208.93.89:443 ESTABLISHED
TCP 10.64.140.111:62263 13.249.87.124:443 ESTABLISHED
TCP 10.64.140.111:62328 35.186.220.184:443 ESTABLISHED
TCP 10.64.140.111:63133 54.236.103.189:443 ESTABLISHED
TCP 10.64.140.111:63598 172.217.164.225:443 ESTABLISHED
TCP 10.64.140.111:63623 3.17.222.216:443 ESTABLISHED
TCP 10.64.140.111:63661 99.84.248.214:443 ESTABLISHED
TCP 10.64.140.111:64039 35.164.204.230:443 TIME_WAIT
TCP 10.64.140.111:64040 40.91.72.120:443 ESTABLISHED
TCP 10.64.140.111:64926 206.19.49.191:443 CLOSE_WAIT
TCP 10.64.140.111:65481 35.174.127.31:443 ESTABLISHED
TCP 127.0.0.1:4699 0.0.0.0:0 LISTENING
TCP 127.0.0.1:8005 0.0.0.0:0 LISTENING
TCP 127.0.0.1:27019 0.0.0.0:0 LISTENING
TCP 127.0.0.1:27019 127.0.0.1:53321 ESTABLISHED
TCP 127.0.0.1:45556 127.0.0.1:55886 ESTABLISHED
TCP 127.0.0.1:49706 127.0.0.1:49708 ESTABLISHED
TCP 127.0.0.1:49708 127.0.0.1:49706 ESTABLISHED
TCP 127.0.0.1:49709 127.0.0.1:49710 ESTABLISHED
TCP 127.0.0.1:49710 127.0.0.1:49709 ESTABLISHED
TCP 127.0.0.1:49742 127.0.0.1:65001 ESTABLISHED
TCP 127.0.0.1:49756 0.0.0.0:0 LISTENING
TCP 127.0.0.1:49756 127.0.0.1:49795 ESTABLISHED
TCP 127.0.0.1:49795 127.0.0.1:49756 ESTABLISHED
TCP 127.0.0.1:49823 127.0.0.1:49824 ESTABLISHED
TCP 127.0.0.1:49824 127.0.0.1:49823 ESTABLISHED
TCP 127.0.0.1:49825 127.0.0.1:49826 ESTABLISHED
TCP 127.0.0.1:49826 127.0.0.1:49825 ESTABLISHED
TCP 127.0.0.1:49827 127.0.0.1:49828 ESTABLISHED
TCP 127.0.0.1:49828 127.0.0.1:49827 ESTABLISHED
TCP 127.0.0.1:49829 127.0.0.1:49830 ESTABLISHED
TCP 127.0.0.1:49830 127.0.0.1:49829 ESTABLISHED
TCP 127.0.0.1:49831 127.0.0.1:49832 ESTABLISHED
TCP 127.0.0.1:49832 127.0.0.1:49831 ESTABLISHED
TCP 127.0.0.1:49833 127.0.0.1:49834 ESTABLISHED
TCP 127.0.0.1:49834 127.0.0.1:49833 ESTABLISHED
TCP 127.0.0.1:49835 127.0.0.1:49836 ESTABLISHED
TCP 127.0.0.1:49836 127.0.0.1:49835 ESTABLISHED
TCP 127.0.0.1:49837 127.0.0.1:49838 ESTABLISHED
TCP 127.0.0.1:49838 127.0.0.1:49837 ESTABLISHED
TCP 127.0.0.1:49861 127.0.0.1:62522 ESTABLISHED
TCP 127.0.0.1:50911 0.0.0.0:0 LISTENING
TCP 127.0.0.1:50912 0.0.0.0:0 LISTENING
TCP 127.0.0.1:52032 0.0.0.0:0 LISTENING
TCP 127.0.0.1:53321 127.0.0.1:27019 ESTABLISHED
TCP 127.0.0.1:55886 127.0.0.1:45556 ESTABLISHED
TCP 127.0.0.1:62522 0.0.0.0:0 LISTENING
TCP 127.0.0.1:62522 127.0.0.1:49861 ESTABLISHED
TCP 127.0.0.1:65001 0.0.0.0:0 LISTENING
TCP 127.0.0.1:65001 127.0.0.1:49742 ESTABLISHED
TCP 127.0.0.1:65486 127.0.0.1:65487 ESTABLISHED
TCP 127.0.0.1:65487 127.0.0.1:65486 ESTABLISHED
TCP 127.0.0.1:65490 127.0.0.1:65491 ESTABLISHED
TCP 127.0.0.1:65491 127.0.0.1:65490 ESTABLISHED
TCP 127.0.0.1:65492 127.0.0.1:65493 ESTABLISHED
TCP 127.0.0.1:65493 127.0.0.1:65492 ESTABLISHED
TCP 192.168.0.72:139 0.0.0.0:0 LISTENING
TCP 192.168.0.72:49532 172.217.164.206:80 ESTABLISHED
TCP 192.168.0.72:52070 65.243.45.138:443 ESTABLISHED
TCP 192.168.0.72:52913 172.217.165.14:443 ESTABLISHED
TCP 192.168.0.72:55126 216.239.38.21:443 ESTABLISHED
TCP 192.168.0.72:55823 172.253.115.188:5228 ESTABLISHED
TCP 192.168.0.72:58484 172.217.1.10:443 ESTABLISHED
TCP 192.168.0.72:59017 172.217.1.3:443 ESTABLISHED
TCP 192.168.0.72:59963 142.251.33.174:443 ESTABLISHED
TCP 192.168.0.72:61960 172.217.164.206:80 ESTABLISHED
TCP 192.168.0.72:64240 142.251.33.174:443 ESTABLISHED
TCP 192.168.0.72:64664 173.223.108.63:443 CLOSE_WAIT
TCP 192.168.0.72:65134 172.217.164.206:443 ESTABLISHED
TCP 192.168.0.224:139 0.0.0.0:0 LISTENING
TCP 192.168.56.1:139 0.0.0.0:0 LISTENING
TCP [::]:135 [::]:0 LISTENING
TCP [::]:445 [::]:0 LISTENING
TCP [::]:3306 [::]:0 LISTENING
TCP [::]:5357 [::]:0 LISTENING
TCP [::]:8080 [::]:0 LISTENING
TCP [::]:33060 [::]:0 LISTENING
TCP [::]:45556 [::]:0 LISTENING
TCP [::]:49664 [::]:0 LISTENING
TCP [::]:49665 [::]:0 LISTENING
TCP [::]:49666 [::]:0 LISTENING
TCP [::]:49667 [::]:0 LISTENING
TCP [::]:49673 [::]:0 LISTENING
TCP [::]:49694 [::]:0 LISTENING
TCP [::1]:4699 [::]:0 LISTENING
TCP [::1]:49678 [::]:0 LISTENING
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49913 [2600:1404:6400:895::3114]:80 ESTABLISHED
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49914 [2600:1404:6400:895::3114]:80 ESTABLISHED
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49915 [2600:1404:6400:895::3114]:80 ESTABLISHED
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49916 [2600:1404:6400:895::3114]:80 ESTABLISHED
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49917 [2600:1404:6400:895::3114]:80 ESTABLISHED
TCP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:49918 [2600:1404:6400:895::3114]:80 ESTABLISHED
UDP 0.0.0.0:3702 *:*
UDP 0.0.0.0:3702 *:*
UDP 0.0.0.0:3702 *:*
UDP 0.0.0.0:3702 *:*
UDP 0.0.0.0:5050 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5353 *:*
UDP 0.0.0.0:5355 *:*
UDP 0.0.0.0:51122 *:*
UDP 0.0.0.0:51762 *:*
UDP 0.0.0.0:52335 *:*
UDP 0.0.0.0:52503 *:*
UDP 0.0.0.0:55201 *:*
UDP 0.0.0.0:55474 *:*
UDP 0.0.0.0:55475 *:*
UDP 0.0.0.0:55476 *:*
UDP 0.0.0.0:55477 *:*
UDP 0.0.0.0:56672 *:*
UDP 0.0.0.0:57774 *:*
UDP 0.0.0.0:58680 *:*
UDP 0.0.0.0:58734 *:*
UDP 0.0.0.0:58898 *:*
UDP 0.0.0.0:63406 *:*
UDP 0.0.0.0:64100 *:*
UDP 10.64.140.111:137 *:*
UDP 10.64.140.111:138 *:*
UDP 10.64.140.111:1900 *:*
UDP 10.64.140.111:2177 *:*
UDP 10.64.140.111:5353 *:*
UDP 10.64.140.111:52498 *:*
UDP 127.0.0.1:1900 *:*
UDP 127.0.0.1:10010 *:*
UDP 127.0.0.1:10011 *:*
UDP 127.0.0.1:51218 *:*
UDP 127.0.0.1:52502 *:*
UDP 127.0.0.1:62977 *:*
UDP 127.0.0.1:64141 *:*
UDP 192.168.0.72:137 *:*
UDP 192.168.0.72:138 *:*
UDP 192.168.0.72:1900 *:*
UDP 192.168.0.72:2177 *:*
UDP 192.168.0.72:5353 *:*
UDP 192.168.0.72:52499 *:*
UDP 192.168.0.224:137 *:*
UDP 192.168.0.224:138 *:*
UDP 192.168.0.224:1900 *:*
UDP 192.168.0.224:2177 *:*
UDP 192.168.0.224:5353 *:*
UDP 192.168.0.224:52501 *:*
UDP 192.168.56.1:137 *:*
UDP 192.168.56.1:138 *:*
UDP 192.168.56.1:1900 *:*
UDP 192.168.56.1:2177 *:*
UDP 192.168.56.1:5353 *:*
UDP 192.168.56.1:52500 *:*
UDP [::]:3702 *:*
UDP [::]:3702 *:*
UDP [::]:3702 *:*
UDP [::]:3702 *:*
UDP [::]:5353 *:*
UDP [::]:5353 *:*
UDP [::]:5353 *:*
UDP [::]:5353 *:*
UDP [::]:5353 *:*
UDP [::]:5355 *:*
UDP [::]:52504 *:*
UDP [::]:55202 *:*
UDP [::]:58681 *:*
UDP [::1]:1900 *:*
UDP [::1]:5353 *:*
UDP [::1]:52497 *:*
UDP [2600:8804:8000:b500::8257]:2177 *:*
UDP [2600:8804:8000:b500::e123]:2177 *:*
UDP [2600:8804:8000:b500:10e2:25b5:75f6:b29b]:2177 *:*
UDP [2600:8804:8000:b500:edb2:48d9:7e3e:2715]:2177 *:*
UDP [fe80::10e2:25b5:75f6:b29b%7]:1900 *:*
UDP [fe80::10e2:25b5:75f6:b29b%7]:2177 *:*
UDP [fe80::10e2:25b5:75f6:b29b%7]:52494 *:*
UDP [fe80::69a5:a120:4fdb:81a%13]:1900 *:*
UDP [fe80::69a5:a120:4fdb:81a%13]:2177 *:*
UDP [fe80::69a5:a120:4fdb:81a%13]:52493 *:*
UDP [fe80::6c4b:a4e9:bd12:eb2a%6]:1900 *:*
UDP [fe80::6c4b:a4e9:bd12:eb2a%6]:2177 *:*
UDP [fe80::6c4b:a4e9:bd12:eb2a%6]:52496 *:*
UDP [fe80::ba54:4c77:3ef2:8009%13]:2177 *:*
UDP [fe80::f0e4:2896:3b2f:1423%19]:1900 *:*
UDP [fe80::f0e4:2896:3b2f:1423%19]:2177 *:*
UDP [fe80::f0e4:2896:3b2f:1423%19]:52495 *:*
我对 netstat 不是很熟悉,所以我只是包含了它给我的所有内容。
另外,我在端口 8080 上设置了 Tomcat 服务器。我运行的是 Windows 10。我无法显示 jdbc 属性,因为我正在为其他人做这个项目。但是,我可以确认其中的凭据是正确的。
解决方法
想通了,只需要在主机名中添加一个“.com”
版权声明:本文内容由互联网用户自发贡献,该文观点与技术仅代表作者本人。本站仅提供信息存储空间服务,不拥有所有权,不承担相关法律责任。如发现本站有涉嫌侵权/违法违规的内容, 请发送邮件至 dio@foxmail.com 举报,一经查实,本站将立刻删除。