DPS 6 idle connection timeout?

Ok I must be blind... where is the idle connection timeout setting for DPS 6? I would assume in the connection handler. Migrating from v5 and in the old version its in the network group.

Is this what you're looking for?
$ dpconf help-properties | grep -i idle
ldap-data-source monitoring-inactivity-timeout rwd 1s <= DURATION | unlimited Maximum time the availability monitor detects no activity before performing a search on the idle connection to keep it alive. (Default: 2m)
ldap-listener connection-idle-timeout rwd DURATION | unlimited Maximum time a client connection can remain idle before being closed (Default: 1h)
ldaps-listener connection-idle-timeout rwd DURATION | unlimited Maximum time a client connection can remain idle before being closed (Default: 1h)

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ASA TCP Idle Connection Timeout Suspense

Hello I upgraded our Cisco ASA 5520 with a Cisco ASA 5585. Though both ASA were configured with default TCP Idle Connection Timeout values people are now starting to complaint that idle SSH connections are being terminated. This is proper behavior but they were claiming it didn't occur with the old firewall. Our users are setting keepalives for 1800 seconds to get around this before I can bump the setting to infinite (setting 0). Is there a bug with the feature in older ASA OS?

Hi,
Before looking for a bug I would check the ASA logs (hopefully you are storing them to a separate Syslog server) and see why the connections are torn down (Teardown reason) and how long have they been on the ASAs connection table before they were torn down.
You also have the option to perform traffic capture on the ASA for the traffic in question and confirm why or which party terminates the connection.
I guess you can use the MPF on the ASA to configure separate idle timeouts for just these SSH Connections if you do not want to touch the global timeout values.
I have not run into any problems with the timeout settings on the older softwares. In the newer softwares (8.3+) I have run into these problems. In those situation the ASA has not removed the connection that have reached the timeout value. I have seen connection that have been idle for over 1000h.
- Jouni

Avoiding the idle connection timeout?

Our DBAs have implemented an idle connection timeout.
Is there an option in SQL-Developer to keep the connection alive by having it periodically send "dummy" commands to keep the connection alive?

Hi,
Even though there is no listing for it on the Third Party Extensions Exchange on the SQL Developer Community page here,
http://www.oracle.com/technetwork/developer-tools/sql-developer/community/index.html
a "Keep-Alive" extension exists and you may wish to try it. Here is the post for it on this forum:
SQL Developer Keep-Alive Extension Created!
If you don't wish to install an extension, an alternative is here:
How to reconnect without using the "keep alive" plug-in?
Regards,
Gary
SQL Developer Team

OID Firewall / Data Connection Timeouts

Hello
I have an OID cluster (11.1.0.5) setup within our environment and have a firewall installed between the OID servers and the database servers. The defualt connection timeout for the DB connection was increased to three hours, but after three hours I keep getting the periodic failures of OID / enterprise manager. I have set the idle connection timeout and retries in the OID configuration, but this still seems to occur even with the timeouts / retries configured. Is there a max session length or some other way to tell OID to close db connections after a period of time so that the max session is not reached?
Also, if I am just querying OID with a script, it seems to work past the three hours but I think this is more of a cache thing whereby it is responding with cached entries. When I go to enterprise manager and try to manage OID, I will get the failure after the timeout with a LDAP error code 49 error and need to submit a bunch of requests to OID to refresh the connection to the database.
Any help you can give would be appreciated.
Thanks
Nick

Alex,
Thanks for the prompt reply.
Not having Maximum times in ODP will make things complicated and a myriad of race conditions can occur.
There is an involved example of a Transaction Timeout Cancel that I could implements with a an application Maximum timer on page 5-27 of the Oracle Data Provider for .NET Developer's Guide and it is not easy to implement
However, it is not described anywhere on how to implement a Maximum Connection Timeout.
In the example below from the docs the application will block at the Open() call:
// Connect
string constr = "User Id=scott;Password=tiger;Data Source=oracle";
OracleConnection con = new OracleConnection(constr);
con.Open();
So do we do the following:
// Connect
string constr = "User Id=scott;Password=tiger;Data Source=oracle";
OracleConnection con = new OracleConnection(constr);
*//Set_Application Timer*
con.Open();
OnApplicationTimer()
con.Close()
//Do application timeout processing
What will the Close() do for us here? What will happen if the Connection open is still in progress when we try to close it?
Should we forget attempting to Close() and wait until Oracle decides to return in the first method as shown below?
OnApplicationTimer()
//Do application timeout processing but don't explicitly send Close()
// Connect
string constr = "User Id=scott;Password=tiger;Data Source=oracle";
OracleConnection con = new OracleConnection(constr);
*//Set_Application Timer*
con.Open();
//Eventually it will timeout. If succesful, clo0se immediatly since it is too lpate.
Nathan

SMTP connection timeout

Hi,
This question might sound naive, but I just couldn�t find the answer.
For POP, IMAP and HTTP it is easy to setup idle connection timeout (just use configutil).
But what about SMTP connections?
It is set by default on some value (if I just telent on port 25 and live the connection idle, the message �Connection to host lost� will appear after aproximetly 5 minutes), but I cannot find where it can be changed.
On the other hand, what if connection is not idle, but the user is trying to send a bit biger mail but the link is really slow� how is this treated, what is the timeout for this situation and where this can be changed?
Thanks a lot, as always :)

The thing I�m having on my mind is to set this timeout to bigger number, and let slow connections to stay alive for more than 10 minutes.
The only parameter I found is MAX_IDLE_TIME in dispatcher.cnf file, by default it is set to 600.
But the explanation for this parameter is a bit confusing:
MAX_IDLE_TIME=integer
Specifies the maximum idle time for a server process. When an server process has had no active connections for this period, it becomes eligible for shutdown. This option is only effective if there are more than the value of MIN_PROCS server processes currently in the Dispatcher's pool for this service.
Anyway, for testing purposes I set this parameter to 6000 instead of 600, and did:
./imsimta cnbuild
./imsimta restart
Again I telnet to port 25 and live the connection idle, the message �Connection to host lost� appear again after approximately 10 minutes), so it seems like nothing was changed.
So, is this the wrong parameter, or for some other reason time is not expanded?
Btw,
./imsimta version
iPlanet Messaging Server 5.2 HotFix 1.21 (built Sep 8 2003)
libimta.so 5.2 HotFix 1.21 (built 18:35:22, Sep 8 2003)

Difference between Idle Connection Time and HTTP Keepalive Duration?

What is the difference between the Idle Connection Timeout and the HTTP Keepalive Duration configuration parameters? I thought that setting one or both of these values would cause the webLogic web server to terminate client requests that result in processes that run much longer then the time value set in these parameters.

Both of these settings are protection against denial of service at the protocol level, Brian.
Idle Connection Timeout is a generic timeout for idle connections, whereas HTTP Keepalive Duration is specifically for HTTP keepalive connections. (which doesn't cover T3, IIOP or jCOM)
Both of those configuration options are related to freeing up resources like sockets and server-side objects in memory from idle clients.
There's actually no way of stopping long-running processing on the server triggered by a client request that I'm aware of - there are ways you can alert system administrators that something is wrong however.
The best bet there is defining a value for Stuck Thread Max Time, and also for Stuck Thread Timer Interval. That won't stop processing on the server, but it will cause a log message that can be sent on to a monitoring console like Openview.
Beyond that, it's really an issue for application development. There are ways that you can put the brakes on, like ensuring that poentially long-running operations run under a transactional context, and setting a reasonable transaction timeout value. Also, checking for rollback-only settings inside EJB code.
I could be wrong, but I'm pretty sure there's no easy answer here.
Does that help at all, Brian?
 
Kevin Powe
http://www.integral-techsolutions.com

ASA-5585-X 8.4(6)5 Idle connections are not being removed according to timeout settings

Hi,
Just a quick question if anybody has run into a bug where the ASAs "timeout" settings are not being applied to idle connections.
It seems that our ASA running the software level 8.4(6)5 is not tearing down connections. This mainly seems to be a problem in one Security Context where there are around 300k UDP connections (related to VOIP phones) that are not being torn down. Idle timers on the connections are going as far as 700 hours. Common to all the UDP connections is also the fact that only 19 Bytes of data has been transmitted on the connection built on the firewall. I am not sure what the purpose of these UDP Connections is as both the source and destination port is a random high port.
I was not able find any Bug ID which description would match the situation I am seeing. I did not see anything in the release notes of 8.4(7) or its interrim release either that would list thing kind of bug.
- Jouni

Hi Jouni,
This caveat seems to be the closest match as 8.4.6 is the affected ASA code.
CSCuh13899
Symptoms:-
Some connection may not removed even after reaching idle timeout.
https://tools.cisco.com/bugsearch/bug/CSCuh13899/?reffering_site=dumpcr
You can upgrade to the next stable ASA code as suggested in the referred document.
HTH
Regards,
Dinesh Moudgil
P.S. Please rate helpful posts.

EclipseLink timeout on idle connections

Hi,
I'm using EclipseLink 2.1.0 + MySql for a web application. Internal connection pool is used instead of Tomcat maintained pool.
The issue I'm currently facing is that connections in the pool become idle during the night (when the application is indeed idle).
In the morning the first attempt to use a connection fails, but further attempts work fine.
I've heard that H3C0 (Hibernate) and other connection pools support a feature that sends a sort of heartbeat packet to
keep the connection alive so that every connection in the pool does not timeout (e.g. using the testConnectionOnCheckout
property).
Is it possible to get the same behaviour on EclipseLink in order to avoid that an idle connection times out ?
Matteo

It turned out that the feature I was looking for is not implemented in EclipseLink 2.1.0.
In order to fix my problem I had to change the configuration of EclipseLink to use the Tomcat connection pool (dbcp). This provides the following useful parameters:
     testWhileIdle="true"
     validationQuery="select count(*) from dual"
     minEvictableIdleTimeMillis="2880000"
Basically this checks every 8h idle connections performing the validation query, thus avoiding timeout. Simple and good!

Remote Connection Timeouts - ORA-03113 Errors

I have two Sun Solaris servers running Oracle 10.1.0.4. One is our production server, the other is our test server. Both servers are using the same parameters in the SQLNET.ORA file located on each server. All Oracle Net files are located under /var/opt/oracle. The TNS_ADMIN environmental variable is set to /var/opt/oracle on both servers.
When I connect to the production server via TOAD, OEM, or SQL*Plus from my desktop, I can remain connected as long as I like. If after two hours, I want to run another SQL, I type it in and it runs.
When I connect to the test server via TOAD, OAM, or SQL*Plus from my desktop, I can remain connected for only 30 mins of inactivity. After which, if I issue a new SQL statement, I receive an ORA-03113 end-of-file communication channel error.
I believe I've checked everything on both servers and they appear identical. Both of these server sit behind a firewall. So my feeling is that only the firewall could be causing the idle timeout connections to be dropped on the test server.
Anyone have any ideas on this??
P.S. - I realize that killing idle connections is actually a good thing, but I'm trying to verify the reason for the difference and not whether this is or is not a good networking practice.

user583592 wrote:
I have two Sun Solaris servers running Oracle 10.1.0.4. One is our production server, the other is our test server. Both servers are using the same parameters in the SQLNET.ORA file located on each server. All Oracle Net files are located under /var/opt/oracle. The TNS_ADMIN environmental variable is set to /var/opt/oracle on both servers.
When I connect to the production server via TOAD, OEM, or SQL*Plus from my desktop, I can remain connected as long as I like. If after two hours, I want to run another SQL, I type it in and it runs.
When I connect to the test server via TOAD, OAM, or SQL*Plus from my desktop, I can remain connected for only 30 mins of inactivity. After which, if I issue a new SQL statement, I receive an ORA-03113 end-of-file communication channel error.
I believe I've checked everything on both servers and they appear identical. Both of these server sit behind a firewall. So my feeling is that only the firewall could be causing the idle timeout connections to be dropped on the test server.
Anyone have any ideas on this??
P.S. - I realize that killing idle connections is actually a good thing, but I'm trying to verify the reason for the difference and not whether this is or is not a good networking practice.The firewall could very well be the culprit. I had that problem at a previous employer. Why not check with your network guys and find out?

How does inactive connection timeout attribute in weblogic works ?

Lets say If there is a connection leakage in my application running on weblogic server 10.3.4 and I want to regain the unclosed connection.
After going through some documentation I found out that setting inactive connection timeout to a positive value can fix this issue.
With setting the above attribute will the weblogic server close any connection object which is inactive for specified number of seconds or it acts on only
those connection objects which has lost all the references to it ?
demonstrating the query by an example ,
Lets say I have two connection objects con1 & con2 taken from a defined datasource in the weblogic.
the inactive timeout has been set to 10 seconds.
In a given thread lets say con1 does some db operation and then after being done, con2 is used for another db operation for greater than 10 seconds.
Will the object con1 be still available for db operation or we need to take a fresh connection from the pool ?
Thanks,
Tarique
Edited by: user779368 on 30-May-2011 06:29

Any connection that has been reserved by an application, and not used for longer than
the inactive timeout limit, will be taken back by the pool. All it's sub-objects will be closed etc.
In your case, you would lose con1 while con2 was being used. Ideally, you would get
any/either of those connections at the instant you really need it. Then, ideally use it
till you can close it. But if you are doing transactions or a job that need connections,
but can't avoid having them idle for X seconds, then set your inactive timeout larger than X.

How to handle a Connection Timeout

Hi Everybody,
My situation is as follows: I have a web application, some sort of content management system. I'm using MySQL to store information. The application is obtaining Connection objects via a Connection Pool. I'm runngin Sun Java Application Server 8 Update 1 and MySQL 4.1.9 on a Windows 2003 Server machine.
After 8 hours of inactivity, the system it's raising an exception. Searching the log, I've found the cause, an SQL Exception with a "recv failed" error. Google said that MySQL shuts the idle connections after 8 hours, and also found a code to correctly handling that disconnection. The thing is that the Application Server is handling the connection pool to physically connect with the database, I'm not dealing with connection setup. I've tried setting autoReconnect and autoReconnectForPools properties (in the management console) without success.
Anyone has any idea to correct this?
Thanks in advance for your time.
Best regards
Antonio Varela.

You could execute a query from time to time, but you can't control which connection is being used. For example, you could be accessing the same connection all the time, and in the end only one functioning connection would remain in the pool.
As said in another thread,
The problem (in detail) is how the MySQL JDBC driver operates. The physical connection to the database can fail, but the Connection.isClosed() method will still return false.
So, there seems to be some problem with the MySQL driver.
But even in this case, the "connection validation" options should work on the application server, which they just don't. I am inclined to blame this problem on the connection pool implementation.
The only "solution" I found so far was to set larger connection timeouts on the MySQL server:
interactive_timeout = 2764800
wait_timeout = 2764800

Error occuring during manual login after idle connection time out

Hi,
I am using a PowerBuilder (v11.1) application to access Crystal Reports (BOXI Enterprise v 3.1) using Opendocument. The app server is Apache Tomcat. We have implemented SSO using Vintela and at present we have set idle connection time out to 1 hr. The problem I am facing is listed below:
The SSO Authentication works fine for accessing these reports. But when we try to run crystal reports after not using it for more than 2 hours system prompts us for login. I understand that we are getting login prompt because connection was idle for more than 1 hour but when we manually enter our login credentials it gives us an error 'An error has occured. An error occured while trying to view the document'.
However after getting the above error if we again try to run the report, it works fine.
Please can anyone provide us with some insight as to why this behaviour could be occurring. Any help would be much appreciated.

->in application connection time out is set to zero
Are you sure? There are two different can timeouts you can experience: connection timeouts and command timeouts. The link posted by Praveen is about command timeouts. The default for the connection timeout is 15 seconds and the command timeout is 30 seconds.
It is very reasonable to set the command timeout to 0, which means that wait forever. Waiting forever is less reasonable for the connection timeout. But when I think of it, I am not sure that 0 means "forever" for the connection timeout. So if you
have set it to zero, maybe that is your problem.
Else, I would suspect a network problem.
Erland Sommarskog, SQL Server MVP, [email protected]

Is there a risk of setting a console connection timeout and what is the recommended setting?

Is there a risk of setting a console connection timeout and what is the recommended setting? Please suggest if there is any best prctice documentation that can be referred.

Hi Henrik
depend on what you need or what your security policy says for my lab gear i use 60 minutes. because i know how can access this. if you have gear outside in insecure space set it to a minimum or disable the console. everybody how can access your gear can break in. simple restart and boot w/o config. and you are in.
it realy depends how secure is your space and how much security you need.
and than the settings for policy have to match, what sec do you have if your console login and logout is secure. but when you restart you can simple break in by starting w/o config and than load it.
HTH
Patrick

I am getting a "connection timeout" message when trying to access my Airport Extreme with various laptops, Play Station 3 and Wii. My Airport Extreme is about a month old; it was working fine until about a week ago. C

I am getting a "connection timeout" message when trying to access my Airport Extreme with various laptops, Play Station 3 and Wii. My Airport Extreme is about a month old; it was working fine until about a week ago. Suddenly, the "timeout" is not allowing me to connect to my wireless network.

It could be that there's a new source of interference.
Use the advice in the second message of this thread to investigate the signal and noise levels that each client sees:
http://discussions.apple.com/thread.jspa?threadID=2347845&start=1
By the way, you've been misled by the poor field labeling into trying to type your entire message into the subject field, instead of putting a one-line topic description there.

Why do I keep getting a "connection timeout" error on my macbook pro?

What seems to be on some kind of time schedule, my network connection times out. The message "a connection timeout occured" is displayed, rendering my attempts at re-connection useless. After hours of troubleshooting(my router included) and checking out other Mac forums, I have no solutions but to power cycle my router. This pretty much makes my MB useless unless using a wired internet connection outside of my home network. I've done tons of research online and have encountered hundreds of people with the same problem. My machine is a late 2011 Macbook Pro. PLEASE HELP

Check the time and date, updates with apple' time servers
https://discussions.apple.com/docs/DOC-3046

DPS 6 idle connection timeout?

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