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Posted to user@jmeter.apache.org by chaitanya bhatt <bh...@gmail.com> on 2012/11/25 23:10:49 UTC

Exception handling in Jmeter

Group,

I have a peculiar requirement. During a server session migration
event(between primary and failover units), the server sends a notification
to the client, the client acknowledges the message, and sends a migration
command to the server. Note that unless the client sends the migration
command(via http) the server won't start the session migration process.
This migration event can occur at random intervals. The end user is
completely oblivious  about the migration event until he sees the message.
This migration event is an exception condition.

Is there a way I can create a Jmeter script which can handle this exception
condition, especially when it occurs at random intervals?

My test plan
Test Plan
|
Thread
--|
  Step-1 (HTTP request)
--|
  Step-2(HTTP request)
.
.
.

--|
  Step-N(HTTP request)


The migration event can occur anywhere between Step-1 and Step-N.

The only way I could think of getting this job done is by regexing the
migration event and placing an IF condition and an associated migration
trigger HTTP request as a child of each and every HTTP sample in my test
plan. But I have hundreds of Steps which makes this task extremely tedious.
(Note: Search and replace in the JMX is not reliable at times)


Any ideas?

Thanks in advance.
Chaitanya M Bhatt

Re: Exception handling in Jmeter

Posted by chaitanya bhatt <bh...@gmail.com>.

Thanks a ton Flavio Cysne for taking time and replying. I will try what you
suggested and let the group know about the outcome.

Regards,
Chaitanya Bhatt

On Mon, Nov 26, 2012 at 4:27 AM, Flavio Cysne <fl...@gmail.com> wrote:

> Regular Expression Post-Processor could be added as first element of your
> script's threads group (outside of any sampler), this will assure that it
> will be evaluated for every sampler inside this threads group. Second
> element could be an If Controller with "Evaluate for all children?" field
> checked and inside this controller include all your samplers. This will
> avoid wasted time adding an If Controller for every sampler.
>
> Hope it helps.
>
>
> 2012/11/25 chaitanya bhatt <bh...@gmail.com>
>
> > Group,
> >
> > I have a peculiar requirement. During a server session migration
> > event(between primary and failover units), the server sends a
> notification
> > to the client, the client acknowledges the message, and sends a migration
> > command to the server. Note that unless the client sends the migration
> > command(via http) the server won't start the session migration process.
> > This migration event can occur at random intervals. The end user is
> > completely oblivious  about the migration event until he sees the
> message.
> > This migration event is an exception condition.
> >
> > Is there a way I can create a Jmeter script which can handle this
> exception
> > condition, especially when it occurs at random intervals?
> >
> > My test plan
> > Test Plan
> > |
> > Thread
> > --|
> >   Step-1 (HTTP request)
> > --|
> >   Step-2(HTTP request)
> > .
> > .
> > .
> >
> > --|
> >   Step-N(HTTP request)
> >
> >
> > The migration event can occur anywhere between Step-1 and Step-N.
> >
> > The only way I could think of getting this job done is by regexing the
> > migration event and placing an IF condition and an associated migration
> > trigger HTTP request as a child of each and every HTTP sample in my test
> > plan. But I have hundreds of Steps which makes this task extremely
> tedious.
> > (Note: Search and replace in the JMX is not reliable at times)
> >
> >
> > Any ideas?
> >
> > Thanks in advance.
> > Chaitanya M Bhatt
> >
>

Re: Exception handling in Jmeter

Posted by Flavio Cysne <fl...@gmail.com>.

Regular Expression Post-Processor could be added as first element of your
script's threads group (outside of any sampler), this will assure that it
will be evaluated for every sampler inside this threads group. Second
element could be an If Controller with "Evaluate for all children?" field
checked and inside this controller include all your samplers. This will
avoid wasted time adding an If Controller for every sampler.

Hope it helps.


2012/11/25 chaitanya bhatt <bh...@gmail.com>

> Group,
>
> I have a peculiar requirement. During a server session migration
> event(between primary and failover units), the server sends a notification
> to the client, the client acknowledges the message, and sends a migration
> command to the server. Note that unless the client sends the migration
> command(via http) the server won't start the session migration process.
> This migration event can occur at random intervals. The end user is
> completely oblivious  about the migration event until he sees the message.
> This migration event is an exception condition.
>
> Is there a way I can create a Jmeter script which can handle this exception
> condition, especially when it occurs at random intervals?
>
> My test plan
> Test Plan
> |
> Thread
> --|
>   Step-1 (HTTP request)
> --|
>   Step-2(HTTP request)
> .
> .
> .
>
> --|
>   Step-N(HTTP request)
>
>
> The migration event can occur anywhere between Step-1 and Step-N.
>
> The only way I could think of getting this job done is by regexing the
> migration event and placing an IF condition and an associated migration
> trigger HTTP request as a child of each and every HTTP sample in my test
> plan. But I have hundreds of Steps which makes this task extremely tedious.
> (Note: Search and replace in the JMX is not reliable at times)
>
>
> Any ideas?
>
> Thanks in advance.
> Chaitanya M Bhatt
>