Oracle Explorer connections times out -- cannot reconnect

Hello
How do I reconnect to the database about the connection times out?
Sometime I go to the Oracle Explorer to check some things out in the database, then switch to coding for a while -- maybe 30 minutes or so.
When I go back to the tree to check something, it says basically "not connected". I'm assuming it has timed out. However there doesn't seem to be an option to reconnect without closing Visual Studio and reopening it.
Am I missing something?
Thanks!
Horus

All you need to do is close the connection and reopen it. you do this by right clicking on the connection node in oracle explorer, from the menu that shows up select Close connection. again right click on the connection node in oracle explorer, from the menu that shows up select Open.

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Itunes update to firmware fails, because connection times out.

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System manufacturer System Product Name
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QuickTime not available
FairPlay 1.13.35
Apple Application Support 2.1.5
iPod Updater Library 10.0d2
CD Driver 2.2.2.0
CD Driver DLL 2.1.1.1
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Apple Mobile Device Driver 1.57.0.0
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Gracenote SDK 1.9.3.494
Gracenote MusicID 1.9.3.106
Gracenote Submit 1.9.3.136
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iTunes is not running in safe mode.
WebKit accelerated compositing is enabled.
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Video Display Information
ATI Technologies Inc., ATI Radeon HD 4800 Series
**** External Plug-ins Information ****
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The drive F: HL-DT-ST DVDRAM GP08LU30 Rev 1.00 is a USB 1 device.
iPodService 10.5.0.142 (x64) is currently running.
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Network Adapter Information
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IP Address:          192.168.2.2
Subnet Mask:          255.255.255.0
Default Gateway:          192.168.2.1
DHCP Enabled:          Yes
DHCP Server:          192.168.2.1
Lease Obtained:          Tue Nov 15 11:32:39 2011
Lease Expires:          Tue Nov 15 11:32:38 2011
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TLS 1.0 Support:          Enabled
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Disable your firewall/security software and try again.

Connection time out

Hello everyone,
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Hello:
This seems to be a regular topic in the forum, but I tried to solve and I could not.
I just installed Archlinux, so, I'm still in console mode and can not paste the information.
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pacman -Syy
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Last edited by gromlok (2010-04-19 12:30:17)

Hello:
Well, the "error" message is that the "connection times out", after that, it tries to reconnect to the same mirror, and again, it gives me that message. Later, it goes to another mirror -if I have it uncommented-, and so on, until my mirror list ends.
In the /etc/rc.conf I uncommented the following line:
XferCommand=/usr/bin/wget --passive-ftp -c -O %o %u
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In my /etc/resolv.conf I got:
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name server: XXX.XXX.X.XXX
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Last edited by gromlok (2010-04-19 13:48:17)

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Hello!
Been encountering the same problem for two days, drove me crazy! Tried everything, including disabling the firewall and antivirus but nothing worked, so here is what worked with me:
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I am having Macbook Pro, I have recently tried updating my operating system to OS Yosemite, but after that its giving problem in connecting to Wifi. The error is "Connection Time out Occurred". Its getting connected by Ethernet cable.

I am having Macbook Pro, I have recently tried updating my operating system to OS Yosemite, but after that its giving problem in connecting to Wifi. The error is "Connection Time out Occurred". Its getting connected by Ethernet cable.

Take each of the following steps that you haven't already tried, until the problem is resolved. Some of these steps are only possible if you have control over the wireless router.
Step 1
Turn Wi-Fi off and back on.
Step 2
Restart the router and the computer. Many problems are solved that way.
Step 3
Change the name of the wireless network, if applicable, to eliminate any characters other than letters and digits. You do that on your router via its web page, if it's not an Apple device, or via AirPort Utility, if it is an Apple device.
Step 4
Run the Network Diagnostics assistant.
Step 5
In OS X 10.8.4 or later, run Wireless Diagnostics and fix the issues listed in the Summary, if any.
Step 6
Back up all data before proceeding.
Launch the Keychain Access application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Keychain Access in the icon grid.
Enter the name of your wireless network in the search box. You should have one or more "AirPort network password" items with that name. Make a note of the name and password, then delete all the items. Quit Keychain Access. Turn Wi-Fi off and then back on. Reconnect to the network.
Step 7
You may need to change other settings on the router. See the guidelines linked below:
Recommended settings for Wi-Fi routers and access points
Potential sources of interference
Step 8
Make a note of all your settings for Wi-Fi in the Network preference pane, then delete the connection from the connection list and recreate it with the same settings. You do this by clicking the plus-sign icon below the connection list, and selecting Wi-Fi as the interface in the sheet that opens. Select Join other network from the Network Name menu, then select your network. Enter the password when prompted and save it in the keychain.
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Reset the System Management Controller (SMC).

Getting Connection Time out while connecting and with tnsping

Hello Experts,
I am new to Oracle world, so please go easy on me.
I installed Oracle 11 XE on Centos 6.4 VM. followed the official installation procedure and database was installed without any errors.
I am able to login to database through sqlplus and able to run sql queries.
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XE =
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LSNRCTL for Linux: Version 11.2.0.2.0 - Production on 11-JUN-2013 02:00:48
Copyright (c) 1991, 2011, Oracle. All rights reserved.
Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC_FOR_XE)))
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Trace Level               off
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(DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=basevm)(PORT=1521)))
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TNS-12535: TNS:operation timed out
I am stuck and don't know where else to check.
Could you guys please help me out here?
Thanks.

That tnsping error indicates several possible problems, most related to the setup for the client. Or network setup on the database server host.
Connecting to a database using sqlnet requires three things, the database host, the listener port, and the ORACLE_SID or instance SERVICE_NAME.
The tnsping utility is only concerned with the first two items, host and port. It will not perform an actual connection, and will not verify the tnsalias ORACLE_SID or SERVICE_NAME values.
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Look at your network interface setup on the host, find its IP address, make sure the IP will `ping`, and try a new sqlnet.ora entry with the IPv4 address.
ifconfig -a
<interface>: flags=...
inet n.n.n.n
# in sqlnet.ora:
xe2 = ... host=n.n.n.n ...
tnsping xe2
... ok? ...

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Why does my network connection time out when trying to download iphone4 software update?

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Step 1
Restart the router. Many problems are solved that way.
Step 2
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Step 3
From the menu bar, select
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Step 4
Back up all data.
Launch the Keychain Access application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Keychain Access in the icon grid.
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Step 5
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Recommended settings for Wi-Fi routers and access points
Potential sources of interference
Step 6
Make a note of all your settings for Wi-Fi in the Network preference pane, then delete the connection from the connection list and recreate it with the same settings. You do this by clicking the plus-sign icon below the connection list, and selecting Wi-Fi as the interface in the sheet that opens. Select Join other network from the Network Name menu, then select your network. Enter the password when prompted and save it in the keychain.

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Hi ,
I hae just created a message mapping and when I click on Test tab and load a payload in source and try to test the mapping , it gives me connection time out error from java...
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Oracle Explorer connections times out -- cannot reconnect

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