mongodb connection refused

The following exception occurs when connecting to the database using JDBC: Java. SQL. sqlexception: Io exception: Connection refused (description = (TMP =) (vsnnum = 169869568) (ERR = 12505) (error_stack = (error = (code = 12505) (emfi = 4) at oracle. JDBC. dbaccess. dberror. throwsqlexception (dberror. java: 134) at oracle. JDBC. dbaccess. dberror. throwsqlexception (dberror. java: 179) at oracle. JDBC. db

Putty connects to ubuntu: network error: connection refused, puttyubuntuCause: Ubuntu has a bug: a folder sshd is missing in the/var/run/directory.Solution: On the command line, enter: Sudo mkdir/var/run/sshd Sudo/usr/sbin/sshd Netstat-nltThe following log problems are solved: Active Internet connections (only servers)Proto Recv-Q Send-Q Local Address Foreign Address StateTcp 0 0 127.0.1.1: 53 0.0.0

Android applicationsProgramYou can use the getinputstream () method of httpurlconnection to access files on the web server. However, during debugging, I always prompt a connection refused exception. Then I analyzed it carefully: The URL of the server file to be downloaded is http: // localhost: 8080/mp3player/resources. XML. Because my mobile phone is connected to my computer via USB, I initially thought t

When you remotely log on to Ubuntu with putty, the network error: Connection refused solution is displayed. On Ubuntu, choose system> preference> Remote Desktop> allow others to view your desktop. Enable the SSH service on Ubuntu: Zhang @ Zhang-desktop :~ $ Sudo apt-Get install OpenSSH-Server[Sudo] password for Zhang: After xming is installed in windows, run config. xlaunch to display the interface.

Turn http://blog.csdn.net/lifengxun20121019/article/details/13627757I encountered this problem when I was practicing remote login tool SECURECRT.Ubuntu is installed by default openssh-client, so it is not installed here, if your system is not installed, then use the Apt-get installation can be.Then confirm that the Sshserver is started:Ps-e |grep SSHIf only ssh-agent that Ssh-server has not started, need to/etc/init.d/ssh start, if you see the sshd that shows that Ssh-server has been started.Ssh

In debugging, connect localhost or 127.0.0.1 through the android simulator.CodeProbablyURL url = new URL (urlstring );Urlconnection urlconn = URL. openconnection (); But an error is reported !! Exception 1: java.net. connectexception: localhost/FIG: 8080-Connection refused The problem is that the android simulator uses itself as the localhost. That is to say, it uses localhost or 127.0.0.1 in the cod

After today's research, I finally understood how to use the middleware after it is transplanted to arm. Often run for the first timeProgramThis problem occurs, "????????? Qdbusinterface? "Failed to connect to socket/usr/local/ARM/dbus-1.0. 2/var/run/clusters/system_bus_socket: Connection refused" The reason is that the supervisor is not enabled. Solution: CD/usr/local/ARM/dbus-1.0.2/bin/, run: [

Running RPC server prompt on my colinux virtual machine: Cannot register service:RPC:Unable to receive; errno = Connection refused, screenshot as follows: The reason is that the Portmap service is not installed and started, so the solution is to install Portmap: The first step, agt-get update, updates the source The second step, apt-get install Portmap, installation Portmap, if the installation is succ

Use the Yum installed PHP-FPM, always throw the wrong time: Connect () failed (111:connection refused) while connecting to upstream, client:127.0.0.1, Server:localhost Appears to be nginx not even to PHP-FPM, find to find out, found is the problem of PHP-FPM configuration: Open PHP-FPM configuration file:/etc/php-fpm.d/www.conf, Find Listen =/run/php-fpm/www.sock, Because the Nginx is a match: Location ~

= b.addressORDER BY cpu_time/executions Desc;Note: UNIX 1 users session corresponds to an operating system process, while Windows embodies the thread.Start OracleSu-oracleSqlplus system/pwd as SYSDBA//Enter SQLStartup//Start databaseLsnrctl start//boot monitoringSqlplus "/as sysdba"Shutdown immediate;startup Mount;ALTER DATABASE open;--When a Web application connects to an Oracle database, it often occurs when querying dataListener refused the

public static final String Base_url = "http://127.0.0.1:8090/HelloWord/" ...;Will throw an exception caused By:libcore.io.ErrnoException:connect failed:econnrefused (Connection refused)Workaround:String url = "http://127.0.0.1£ 8090/helloword/" ...; Modified intopublic static final String Base_url = "//192.168.3.14: 8090/helloword" ...;Host IP cannot use localhost or 127.0.0.1, using a real IP address.An er

Cassandra Run appears unable to gossip with any seeds,cqlsh link not on, prompting connection refused treatment methodProblem descriptionWhen Cassandra is started, it appears:Java.lang.RuntimeException:Unable to gossip with any seeds at Org.apache.cassandra.gms.Gossiper.doShadowRound ( gossiper.java:1160) at Org.apache.cassandra.service.StorageService.checkForEndpointCollision (Storageservice.java : 416) at

I. Problem Description Ggsci (source_pc) 64> info all Program Status group lag at chkpt time since chkpt Manager runningExtract running eora_t1 00:00:00 00:00:06Extract abended pora_t1 00:00:00 00:12:53 It is found that the status of pora_t1 is abended. After it was started, it was still running. After several minutes, it was changed to abended (sometimes stopped) Ggsci (source_pc) 66> View Report pora_t1 The following error is reported: Warning OGG-01223 TCP/IP error 111 (

projects from the JUnit in Action source into eclipse.2) downloaded and installed the last nightly builds for the two Eclipse plug-ins, jakarta-cactus-eclipse-webapp-20030909.zip and jakarta-cactus-eclipse-runner-13-1.6dev-20030907.zip. These were the latest builds I cocould find.3) I added all the jars to the junitbook-servlets project as described in the cactus Eclipse plug-in configuration at http://jakarta.apache.org/cactus/integration/eclipse/index.html using the versions of the jars from

Appears listener refused the connection with the ORA-12505 error, Solution:1. First restart the computer, release the occupied 1521 port2. Open Oracle Develpoer after reboot3. Then run cmd, open a command prompt, enter the command lsnrctl run stop first, and then start4. Open the Resource manager and run C:\oraclexe\app\oracle\product\10.2.0\server\BIN\tnslsnr.exeHkey_local_machine\system\currentcontrolset\

Problem phenomenon:650) this.width=650; "Src=" Http://s2.51cto.com/wyfs02/M02/89/CD/wKioL1gdmS-AYbWOAAARWQ5MOIA696.png-wh_500x0-wm_3 -wmp_4-s_2379780341.png "title=" Client Error "width=" 261 "height=" "border=" 0 "hspace=" 0 "vspace=" 0 "style=" width:261px "; height:128px; "alt=" Wkiol1gdms-aybwoaaarwq5moia696.png-wh_50 "/>Solution: Login mail server, security--security settings--block--Dynamic screen, click on the "Whitelist" button, the client's current export IP address can be added. a litt

java.net.DualStackPlainSocketImpl.connect0 (Native Method)At Java.net.DualStackPlainSocketImpl.socketConnect (dualstackplainsocketimpl.java:79)At Java.net.AbstractPlainSocketImpl.doConnect (abstractplainsocketimpl.java:339)At java.net.AbstractPlainSocketImpl.connectToAddress (abstractplainsocketimpl.java:200)At Java.net.AbstractPlainSocketImpl.connect (abstractplainsocketimpl.java:182)At Java.net.PlainSocketImpl.connect (plainsocketimpl.java:172)At Java.net.SocksSocketImpl.connect (sockssocketi

Behavior: Displays a hint that the connection rejects the connection when viewing the listening state.[Email protected] ~]$ lsnrctl statusLsnrctl for linux:version 11.2.0.1.0-production on 30-oct-2015 21:48:08Copyright (c) 1991, Oracle. All rights reserved.Connecting to (Address= (PROTOCOL=TCP) (host=) (port=1521))Tns-12541:tns:no ListenerTns-12560:tns:protocol Adapter ErrorTns-00511:no ListenerLinux Error:

Command: SSH localhostError message: Ssh:connect to host localhost Port 22:connection refusedCause of Error:1.sshd not installed2.sshd not started3. FirewallsWorkaround:1. Determine the installation Sshd:sudo Apt-get install Openssh-server2. Start Sshd:net start sshd3. Check firewall settingsTest method:Input command: SSH localhostIf successful, the installation is successful, and the connection is passed;R

only, contrary to denyusers option3. Common login authentication methods are as follows:Passwordauthentication Yes//enable password verificationPubkeyauthentication Yes//enable key verificationAuthorsizedkeysfile. Ssh/authorized_keys//Specify Public key database fileReference: http://dengqi.blog.51cto.com/5685776/1260038All of a sudden, I used ssh localhost, said 22 port reject link, when I looked at the SSH configuration file, I found the port number is 3228. Suddenly sharplyChecked the releva