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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » EHCACHE WMB v7

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bobbee
PostPosted: Mon Nov 29, 2010 2:39 pm    Post subject: EHCACHE WMB v7 Reply with quote

Knight

Joined: 20 Sep 2001
Posts: 545
Location: Tampa

I have someone using EHCACHE in WMB v6.1.0.4. They are moving, migrating, to WMB v7 and it is throwing null pointer exceptions. Is anyone else using this and have run into it. Next step is PMR. Figured I would ask first.
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ajukadur
PostPosted: Wed Feb 09, 2011 10:17 pm    Post subject: Try EHCache 2.3.1 Reply with quote

Newbie

Joined: 28 Jan 2011
Posts: 1

I might be late but never the less...

We had the same problem with an older version of EHCache. We were using EHCache 1.1 (pretty old) with WMB7 and we had null pointer exception duting:

cache.put(...)

WMB7 works just fine with the latest version of EHCache 2.3.1 that you can download from the site 'terracotta dot org'.

-Ajay
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carlosgouveiareis
PostPosted: Thu Dec 06, 2012 10:42 am    Post subject: Reply with quote

Newbie

Joined: 06 Dec 2012
Posts: 5

Hi, this is old stuff from 2011.
But I have the same problem now integrating WebSphere Message Broker 8.0 with EhCache and Terracotta Server Array (TSA).

The default behavior of a Java building block in Message Broker is to create a new context each time it is executed. EhCache cannot be used that way as every time a connection to TSA would be established.

So, I need to build a Java class that lives as long as Message Broker is up and running implementing the EhCache-TSA connection and just get a reference to that instance each time a search against the cache is needed.

Did you have the same problem ? If yes, how you did the workaround at the time ? It worked fine ?

Best regards
Carlos
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lancelotlinc
PostPosted: Thu Dec 06, 2012 10:45 am    Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA

Try converting to eXtremeScale cache. Its a fully functional free download from IBM:

http://www.ibm.com/developerworks/downloads/ws/wsdg/

Its a natively supported cache mechanism that shares data across products, including yours.
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mqjeff
PostPosted: Thu Dec 06, 2012 10:51 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

lancelotlinc wrote:
Try converting to eXtremeScale cache. Its a fully functional free download from IBM:

http://www.ibm.com/developerworks/downloads/ws/wsdg/

Its a natively supported cache mechanism that shares data across products, including yours.


NO

DO NOT DO THIS.

Use the *FREE* GLOBALCACHE THAT COMES WITH 8.0.0.1.

DON'T DOWNLOAD OR INSTALL OR MANAGE ANYTHING SEPARATE FROM YOUR BROKER.

Lancelotlinc, you have to *stop* implying that a) there is any additional license cost to use GlobalCache with Broker, b) there is any reason to use eXtremeScale with Broker 8.0.0.1 as a separate product.


carlosgouveiareis - please Read the Info Center on Global Cache in 8.0.0.1 Please use this FREE PART OF THE PRODUCT instead of trying to use anything outside of Broker.
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lancelotlinc
PostPosted: Thu Dec 06, 2012 11:00 am    Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA

Hard to use a V8 feature in a V7 product. OP says he's at V7.
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mqjeff
PostPosted: Thu Dec 06, 2012 11:04 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

lancelotlinc wrote:
Hard to use a V8 feature in a V7 product. OP says he's at V7.


The OP from 2010 said that.

The person who reopened the thread specifically says they're at v8.
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lancelotlinc
PostPosted: Thu Dec 06, 2012 11:07 am    Post subject: Reply with quote

Jedi Knight

Joined: 22 Mar 2010
Posts: 4941
Location: Bloomington, IL USA

mqjeff wrote:
lancelotlinc wrote:
Hard to use a V8 feature in a V7 product. OP says he's at V7.


The OP from 2010 said that.

The person who reopened the thread specifically says they're at v8.


Which is a strong case for people using intelligence and creating their own thread rather than reopening old threads.

Also, people should not double post.
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mqjeff
PostPosted: Thu Dec 06, 2012 11:09 am    Post subject: Reply with quote

Grand Master

Joined: 25 Jun 2008
Posts: 17447

lancelotlinc wrote:
mqjeff wrote:
lancelotlinc wrote:
Hard to use a V8 feature in a V7 product. OP says he's at V7.


The OP from 2010 said that.

The person who reopened the thread specifically says they're at v8.


Which is a strong case for people using intelligence

I could not agree more.
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carlosgouveiareis
PostPosted: Tue Dec 11, 2012 10:41 am    Post subject: Reply with quote

Newbie

Joined: 06 Dec 2012
Posts: 5

Thanks.
ps. you are right I should opened a new post as it was for v8
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McueMart
PostPosted: Tue Dec 11, 2012 10:46 am    Post subject: Reply with quote

Chevalier

Joined: 29 Nov 2011
Posts: 490
Location: UK...somewhere

Quick hijack...

Quote:
b) there is any reason to use eXtremeScale with Broker 8.0.0.1 as a separate product.


@mqjeff - my understanding is that currently the WMB 8.0.0.1 Global cache functionality falls well short of of the full WXS functionality which is available if you connect to a WSX grid from a JCN. Therefore why would you say there is no reason to ever use XS as a separate product?
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