We'll try this out, thanks!
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jbo
Looks like the JBoss people are back on the forum :)
Galder, could you take a look at this topic please? I'd love to hear your
thoughts on it...
Thanks!
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I'm interested in an answer to this problem, too...
Aren't JBossCache comitters monitoring this forum anymore? It's been almost two
weeks since this problem has been posted, and still no answer...
If it turns out the situation described by vsevel is actually a bug and not a
misuse, then JBossC
Ok, thanks for your answer Manik
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Hello,
In a clustered environment, both instances of the servers use TreeCache, in
replicated mode.
If I issue a put(), this call is catched by the listeners.
What I would like to do is allow a remote listener to recieve the value that
has been put, and be able to remove it from the cache unde
Hi Manik,
Thanks for your answer :)
As you guessed, the client java program does not know anything about JBCache.
I'm going to send this link to our Weblogic-Guru and see with him what can be
done.
About the JIRA entry: should I really open a feature request for this? I did it
over here http:
I'm experiencing a strange problem, with TreeCache seemingly trying to rollback
a Weblogic transaction.
Here's the setup:
- Two weblogic 9 servers, running a clustered application.
- Each night, the cached data must be refreshed. Since this process requires
other external processes to succeed be
ok, thanks!
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Hello,
I have a question about the replication queue's behaviour.
If one node is modified and put in the queue, and is then modified again. Does
the queue replicate all the node's modifications, or only the latest?
I would think that it only replicates the freshest data, but just want to make
Hi Manik,
Thanks for the reply! :)
You're right: it looks like MVCC is exactly what I need.
So I'm looking forward to TreeCache 3.x! :)
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Hello,
I read the documentation and didn't understand a part of it:
anonymous wrote :
| For example, if a transaction calls cache.getRoot().getChild(
Fqn.fromString("/a/b/c") ) , nodes a, b and c are copied from the main data
tree and into the workspace. The data is versioned and all calls
Manik,
Thanks for the info on LockParentForChildInsertRemove, I'm going to try that.
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_
Here's what's happenning at the moment:
A transaction:
- put some data in the cache.
Another transaction:
- modify its definition -> remove() is called
- update its value -> put() is called with the new value
The problem is that if I call get() on that node between the remove() and the
put(),
Thanks for your reply :-)
Should I use a specific Node Locking Scheme to ensure that behaviour? At the
moment, I use Optimistic scheme (and, consequently, no Isolation Level).
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Hello,
In my project, we cache the result of a computation. This computation takes
quite some time (5-6 seconds) to be done.
When the definition of the computation is modified, the node corresponding to
the modified computation is removed. At that time, the computation is updated,
and its new
Hi Manik,
Sorry, I just haven't had time today to test the build. I'll test it Monday and
provide you with feedback.
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Manik,
Wow, there are 58 tests failures... I just can't use this as a production
component...
I'll build it without running the tests just to check that the fix resolved my
problem, and keep you informed.
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That was a proxy problem, I am downloading the code right now...
Will keep you informed :)
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Manik,
I tried to checkout the source code, based on the page I found
http://docs.jboss.org/process-guide/en/html/svnaccess.html but I cannot connect
to either svn.jboss.org, nor anonsvn.jboss.org. Might be my company's firewall,
or something else, I'm not sure.
Could you build a jar and give
Hi Manik,
The fix was commited quickly, thanks!
Regarding listeners, I am using REPL_ASYNC. What seems strange is that with
Replication on, the data is refreshed twice: with the replication and when the
listener is called. What I want to do is just reload the data when a node is
removed.
I gu
Manik,
Great to see that the reason is now clear! :-)
If I checkout and build TreeCache from the source, will the result be as stable
as the 2.0.0 version that I am using?
Or are you in heavy development and there may be parts of the products that are
"work in progress"? I certainly would like
I changed a few things and might have moved a bit forward
The ClassCast with my class happened with the put being done this way:
| final InvocationContext invocationContext =
treeCache.getInvocationContext();
| final Option optionOverrides = invocationContext.getOptionOverrides();
| o
Well I must admin that it's very strange to me, too.
I've seen the line of code that results in the exception, but don't see why my
class is being returned at that point.
I don't have a test case that can recreate this. Actually, I don't have the
slightest idea on how to write a test case that
Thanks for the advice regarding Options.
What I always do is these calls:
final InvocationContext invocationContext = treeCache.getInvocationContext();
| final Option optionOverrides = invocationContext.getOptionOverrides();
I guess that I recieve a new option object each time, or at least one
Manik,
The localMode variable is not always set to 'true'.
When I load the cache at startup-time, both members of the cluster fill their
cache based on the data that is in the database. The both fill their cache in
local mode, so that one does not invalidate the other's data.
Once the app is l
Hi Manik,
I've sent a bunch of logging statements to a file, using log4j and a TRACE
level appender.
This situation is a real problem for my project, thanks a lot for your help! :)
Here they are:
|
|
| 2007-11-02 16:02:43,986 413229 TRACE [org.jboss.cache.ReplicationQueue]
(Timer-7:)
Hello Manik,
Here is what I hope will help you. Since I'm not too knowledgable about
TreeCache's internals, I selected a few logs that I thought were representing
of the situation just before the exception.
| <14:26:40,328> :72>
|
| <14:26:40,328>
|
|
| <14:26:40,328> :
Hi all,
I'm experiencing a very strange problem, and would like some insight on what's
really happening.
I am using TreeCache 2.0.0, under Weblogic 9.2.2. The app is deployed in a
cluster with two members. The cache is configured with REPLY_ASYNC mode, and
Optimistic Node Locking Scheme.
At s
Thanks for your reply, Manik! :)
I think my understanding may not be correct after all: at the time, I was
trying to recieve a notification when a pair key-value was removed from inside
a given node. And this is not possible, is it correct?
I now create a new node for each of my data and remove
Hello,
I'm in front of a very strange situation here:
There are two members in my cluster. Each instanciates a treecache object, with
the same properties. (Mode INVALIDATION_ASYNC, Optimistic locking, TreeCache
V1.4.1SP4).
When they start, each of them loads the initial state of the cache from
Hello,
I'm trying to use a TreeCacheListener in the following situation:
- TreeCache version: 1.4.1 SP4
- There is a cluster with two members
- TreeCache is in mode INVALIDATION_SYNC and OPTIMISTIC locking scheme
When a piece of data is modified, I remove it from the cache. I expect the
corresp
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