"Ignite instance with this name has already been started" exception

[ozgurnevres <oz...@gmail.com>]

Hi,

I have an interesting problem. Sometimes, when starting ignite in my asp.net
mvc project, I am getting the exception below:

"Ignite instance with this name has already been started: myGrid1"

My code is like this:,
 if (null == Ignition.TryGetIgnite("myGrid1"))  _ignite =
Ignition.StartFromApplicationConfiguration("igniteConfiguration");

Ignition.TryGetIgnite("myGrid1")) is always returning null, and
Ignition.StartFromApplicationConfiguration throwing the exception above.

I tried 
Ignition.StopAll(true); before the code above but it doesn't work.

At the web config:
  <igniteConfiguration
xmlns="http://ignite.apache.org/schema/dotnet/IgniteConfigurationSection"
gridName="myGrid1" clientMode="true"
igniteHome="D:\Projects\IgniteIntroduction\IgniteWebTest\bin\">


In short, how do I know if ignite instance has already been started?
Thanks







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Re: "Ignite instance with this name has already been started" exception

[Pavel Tupitsyn <pt...@apache.org>]

Hi, this is due to IIS behavior with AppDomains, see

https://apacheignite-net.readme.io/docs/deployment#section-iis-application-pool-lifecycle-appdomains-and-ignitenet
http://stackoverflow.com/questions/42961879/how-do-i-retrieve-a-started-ignite-instance-when-a-website-restart-occurs-in-iis/

Pavel

On Tue, Apr 4, 2017 at 12:08 PM, ozgurnevres <oz...@gmail.com> wrote:

> Hi,
>
> I have an interesting problem. Sometimes, when starting ignite in my
> asp.net
> mvc project, I am getting the exception below:
>
> "Ignite instance with this name has already been started: myGrid1"
>
> My code is like this:,
>  if (null == Ignition.TryGetIgnite("myGrid1"))  _ignite =
> Ignition.StartFromApplicationConfiguration("igniteConfiguration");
>
> Ignition.TryGetIgnite("myGrid1")) is always returning null, and
> Ignition.StartFromApplicationConfiguration throwing the exception above.
>
> I tried
> Ignition.StopAll(true); before the code above but it doesn't work.
>
> At the web config:
>   <igniteConfiguration
> xmlns="http://ignite.apache.org/schema/dotnet/IgniteConfigurationSection"
> gridName="myGrid1" clientMode="true"
> igniteHome="D:\Projects\IgniteIntroduction\IgniteWebTest\bin\">
>
>
> In short, how do I know if ignite instance has already been started?
> Thanks
>
>
>
>
>
>
>
> --
> View this message in context: http://apache-ignite-users.
> 70518.x6.nabble.com/Ignite-instance-with-this-name-has-
> already-been-started-exception-tp11699.html
> Sent from the Apache Ignite Users mailing list archive at Nabble.com.
>