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From p..@pidster.com
Subject Re: Changing tomcat connection pool size through jmx
Date Fri, 08 Mar 2013 09:20:25 GMT
On 8 Mar 2013, at 03:00, Amit <amits.84@gmail.com> wrote:

> I tried setting the 'maxActive' attribute by double clicking it and modifying the value
but the new value does not get set.

That's the wrong attribute. That one is a read only attribute
reporting the maximum number of connections that have been active at
kne time. Try another one!



> The bug 50864 was suppose to provide the flexibility to update the connection pool properties
through JMX and this is what I was looking for. Shouldn't that be the case?
>
> thanks.
>
> On 08-Mar-2013, at 1:40 AM, Daniel Mikusa <dmikusa@vmware.com> wrote:
>
>> On Mar 7, 2013, at 12:32 PM, amit shah wrote:
>>
>>> I was looking at jmx since that would not need application server restart.
>>>
>>> I didn't understand what you meant by "Have you tried looking at /
>>> modifying the attributes" ?
>>
>> When you look at an Mbean in jconsole or jvisualvm, you'll see a few different tabs
but there should be one which lists Attributes (i.e. the values exposed through JMX) and one
that lists Operations (i.e. functions exposed through JMX).
>>
>> Attributes list the properties of an mbean and some properties can be changed on
the fly by double-clicking them and setting a new value.  I believe that's how you would adjust
the connection pool properties.  Does that work for you?
>>
>> Dan
>>
>>
>>>
>>>
>>> On Thu, Mar 7, 2013 at 9:50 PM, Daniel Mikusa <dmikusa@vmware.com> wrote:
>>>
>>>> On Mar 7, 2013, at 9:59 AM, amit shah wrote:
>>>>
>>>>> Hello,
>>>>>     I use tomcat connection pool in my web application by using two
>>>>> jars - tomcat-jdbc-7.0.34.jar and tomcat-juli-7.0.34.jar. I want to
>>>> change
>>>>> the connection pool size through jmx but I could not find any defined
jmx
>>>>> operation for doing that.
>>>>
>>>> Are you strictly looking at JMX operations?  Have you tried looking at /
>>>> modifying the attributes?
>>>>
>>>> Dan
>>>>
>>>>>      I noticed that bug
>>>>> 50864<https://issues.apache.org/bugzilla/show_bug.cgi?id=50864>
>>>>> specifies
>>>>> that tomcat allows updating the connection pool size through jmx from
>>>>> tomcat 7.0.28 onwards. I use 7.0.34 version for jars. Am I missing
>>>>> something?
>>>>>
>>>>> Thank you
>>>>
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