Not able to connect to Oracle DB - oracle11g

While connecting to the DB via SQL Developer, I'm facing following error:
Io Exception: The Network Adapter could not establish the connection
I tried to find out the issue and end up seeing that the OracleXETNsListener service is not started.
I tried to start it but getting error as : The OracleXETNSListener service on local computer started and then stopped. Some services stop automatically if they are not in use by other services or programs
also tried it through command prompt as follows:
C:\Windows\system32>lsnrctl status
LSNRCTL for 32-bit Windows: Version 11.2.0.2.0 - Production on 16-JUN-2014 15:00
:43
Copyright (c) 1991, 2010, Oracle. All rights reserved.
Message 1053 not found; No message file for product=NETWORK, facility=TNSTNS-125
57: Message 12557 not found; No message file for product=NETWORK, facility=TNS
TNS-12560: Message 12560 not found; No message file for product=NETWORK, facili
ty=TNS
TNS-00527: Message 527 not found; No message file for product=NETWORK, facilit
y=TNS


That happened to me when I set the variables ORACLE_HOME & ORACLE_SID, restarted and that error appeared.
Possible Solution: I deleted variables ORACLE_HOME & ORACLE_SID, restarted my computer and everything went ok.

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Getting [Errno 10061] No connection could be made because the target machine actively refused it> error while executing RF code

I'm executing a robot framework script in Windows 10 machine and I'm getting a error : "URLError: ". Not even the browser is getting opened. Can anyone help me out!!!

BizTalk 2013 r2 Administration Console fail to open after MS security update KB4338815

Please help me finding a solution to these errors i'm getting wehen open BizTalk Administration Console after updating to MS security update KB4338815:
First error:
Failed to load Group [xxxxxx:BizTalkMgmtDb] data providers. (Microsoft.BizTalk.Administration.SnapIn)
Failed to load Group [xxxxxx:BizTalkMgmtDb] data providers. (Microsoft.BizTalk.Administration.SnapIn)
For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2013+R2&ProdVer=3.11.158.0&EvtSrc=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors&EvtID=FailedLoadingGroupProviders&EvtChain=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors+%2cFailedLoadingGroupProviders%3bBTSAdminMsg+%2c9218
===================================
Failed to load Group [PLYSDEVBAL07:BizTalkMgmtDb] data providers. (Microsoft.BizTalk.Administration.SnapIn)
For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2013+R2&ProdVer=3.11.158.0&EvtSrc=Microsoft.BizTalk.Administration.SnapIn.Properties.Errors&EvtID=FailedLoadingGroupProviders&EvtChain=BTSAdminMsg+%2c9218
===================================
An internal failure occurred for unknown reasons. (WinMgmt)
For help, click: http://go.microsoft.com/fwlink/?LinkId=47400&ProdName=Microsoft+BizTalk+Server+2013+R2&ProdVer=3.11.158.0&EvtSrc=BTSAdminMsg&EvtID=9218
Program Location:
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementObject.Get()
at Microsoft.BizTalk.SnapIn.Framework.WmiProvider.SelectInstance(String className, String keyClause, Object[] keyValues)
at Microsoft.BizTalk.Administration.SnapIn.GroupNode.ConnectToProviders()
Second error:
Failed to create a BizTalkDBVersion COM component installed with a BizTalk server.
Class not registered (WinMgmt)
Program Location:
at System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
at System.Management.ManagementObjectSearcher.Get()
at Microsoft.BizTalk.SnapIn.Framework.WmiProvider.SelectWhere(String className, String condition)
at Microsoft.BizTalk.SnapIn.Framework.WmiProvider.SelectRemote(String className, String whereClause)
at Microsoft.BizTalk.Administration.SnapIn.Nodes.AdaptersFolder.get_Adapters()
at Microsoft.BizTalk.Administration.SnapIn.Nodes.AdaptersFolder.RefreshChildren()

For our environment Windows 2012 R2 & BizTalk 2013 R2:
After lot of trial and errors, uninstalling KB4338605 & KB4338419 patches resolved the issue.

Removing KB4338419 resolved my issues (Windows Server 2012 r2).
Technet: Microsoft Security Updates cause BizTalk Admin Console errors: An internal failure occurred for unknown reasons (WinMgmt)

In our environment of BizTalk 2013 R2, KB4340005 was installed as .NET update. So as per suggestions we wanted to uninstall the KB but while we checked the installed updates, We're unable to see the installed update for .NET turns out it was installed in another package. So We're unable to unistall the KB4340005.
So we did a workaround as suggested by Microsoft . https://support.microsoft.com/en-us/help/4345913
We added the Network Service account to local administrator Group.

unknown error in realm studio for windows

After downloading Realm browser, i tried to connect it with our linux server where Realm Object Server is installed (professional edition).
Initially it was showing Timeout error constantly after that i tried to run Realm Studio as administrator and it started working.
I was trying run EventBlank example provided by realm
i was able to create database and users too over realm and can see it on realm studio but after a while when i tried to reopen realm studio and connect with the same realm object server url it is throwing unknown error
here is the server log while unknown error occured
Timeout error
Following things i have tried
1) re install realm studio
2) while installing run it as admin
3) turning off the firewall on windows
but it still throwing unknown error and timeout error
I am running realm object server using
ros start --address <ipaddress> --port <port>
server start log
After inspecting , this is what i got ( i have updated realm studio to 1.4 )

Error while installing informatica 8.6 with oracle 11g in window 10

I am getting below error while installing informatica 8.6:
****use the error below and catalina.out and node.log in the server/tomcat/logs directory on the current machine to get more information. Select Retry to continue the installation.
STDOUT: Installing the service '"Informatica Services 8.6.0"' on node 'node01_geettika4912'...
Using CURRENT_DIR: C:\Informatica\PowerCenter8.6.0\server\tomcat\bin
Using INFA_HOME: C:\Informatica\PowerCenter8.6.0
The service '"Informatica Services 8.6.0"' has been installed.
STDERR: The filename, directory name, or volume label syntax is incorrect.
The service name is invalid.
More help is available by typing NET HELPMSG 2185.**
EXITCODE: 2**
I am getting this error after the successful creation of domain.
Please help me in resolving this error.
Thanks!

Run services.msc to get a list of all the services.
Click properties on the service you want, there you can see the "service name" and the "display name".
The service name is what you need to use with the net command. Check if Informatica Services 8.6.0 is in the list.

Python DB Access from CGI script in Apache Web Server Issue

I have a python script that when runs outside of Apache environment (on RedHat) connects to a remote MS SQL Server via ODBC correctly and returns data as expected. It uses an ODBC driver installed at /opt/microsoft/sqlncli/lib64/libsqlncli-11.0.so.1790.0 .
When running the same python code as a CGI script from Apache Web Server, there is an error that says
conn = pyodbc.connect('DSN=MY_DSN;UID=user1;PWD=pw1');
[Fri Jan 04 11:51:59 2013] [error] [client 172.19.1.136] ('01000',
"[01000] [unixODBC][Driver Manager]Can't open lib
'/opt/microsoft/sqlncli/lib64/libsqlncli-11.0.so.1790.0' : file not
found (0) (SQLDriverConnect)")
The path and file /opt/microsoft/sqlncli/lib64/libsqlncli-11.0.so.1790.0 does exist. Like I said when running the script from the shell it works fine. It fails to load the above library when executed inside the httpd.
I tried to add a Directory entry into httpd.conf, but that didn't seem to help.
How do I resolve this problem?

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