As reported by bortx we have seen this issue with our RA. We havent tried this
kind of functionality with any of the JBoss` shipped RAs. We have modified the
sources for Jboss AS connector, from the sources in 4.2.3 tag, and now the
problem is fixed for our RA.
One might think that the problem i
Hi,
Since JBC 3.1.0.GA JDBCCacheLoader is easily subclassable per this request, So
you only need to subclass JDBCCacheLoader and JDBCCacheLoaderConfig, and
redefine the methods you need, like:
JDBCCacheLoaderConfig.constructCreateTableDDL()
JDBCCacheLoaderConfig.constructUpdateNodeSql()
JDBCCach
Hi,
I have made a custom EvictionPolicy as explained here. Since there has been a
new JBC release, I have to remodify released code in order to modify NodeEntry
to enable setNumberOfElements to work.
I think a good change could be to change EvictionQueue to have a method like
this one:
| void
When upgrading to a new version of JBossWS remove all previous JBossWS
libraries.
We found that some libraries changed names, so we were not overwriting them.
These libraries were:
jboss-jaxrpc.jar
jboss-jaxws-ext.jar
jboss-jaxws.jar
jboss-saaj.jar
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So far, for my requisites, I have to modify only one of JBoss Core classes, to
make it possible to work. In some cases, it should be advisable to modify some
other classes with instanceof statements, not required in my cases.
I have made a new interface, extending EvictionQueue, named
Subcontex
Hi,
I'm trying hard to create my new eviction policy, but I think my requirements
are very difficult for first eviction policy.
I have seen that EvictionQueue interface seems to poor for my use case. I have
extended some methods to receive a Fqn. Also, I have made a custom
EvictionAlgorithm rei
"genman" wrote :
| But instead of writing code, one thing you could consider is simply adding
a update timestamp column to the cache loader's table, which is populated
through a trigger. Then a background process run by your DBA could cull the
data as necessary.
|
With the fixes Manick ha
Then If I suceed in creating my eviction policy, I??ll try to post this guide
and what I have done.
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Hi, I want to know if it is somehow documented what are the necessary steps for
creating a new eviction policy? Something like:
1- Create your own EvictionActionPolicy
2- Create your own EvictionAlgorithm
3- Create your own EvictionQueue if needed
...
And then, how to package all, to make it conf
I created a JIRA:
https://jira.jboss.org/jira/browse/JBCACHE-1501
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Hi,
We have a requisite to remove old data from datastore that has not been used
for a long time, or for example, as a ersult of an scheduled task, for example,
every midnight, or data that is in DB for longer than 6 hours.
We are trying to subclass JDBCCacheLoader, to add a timestamp column, so
>From what you say, I guess, that whenever I add a new Node, which is not in a
>previously created Region, JBC dos not create any Region`s specific
>infrastructure, so it is applying whatever configuration is configured for a
>topper lever region.
Is this infrastructure so costly in means of mem
Hi,
We are heavily using JBC, and think it is great. We have currently updated to
version 3, and want to know if it is possible to implements some way an special
behaviour we have, or if it could be a feature request, if it is likely to
enhance the system for anybody.
We have organized the cach
Hi,
I know that probably the name of the topic is misleading, but my english is not
as good as I would like.
I'm using JBossWS native 3.0.4 to make a service that acts as a proxy to access
the same service in another server, but performing some policies.
I want to proxy a service that supports a
We are using tagged release 3.0.2.CR2.
In those lines is:
| RPCManager barfingRpcManager =
EasyMock.createNiceMock(RPCManager.class);
| RPCManager originalRpcManager =
cache1.getConfiguration().getRuntimeConfig().getRPCManager();
|
Is there a way to validate the refactorings
We`ve been working hard on this one, and to the moment we are having issues
with JBC tests. We have refactored jgroups to mycompany.org.jgroups, and passed
all tests in JGroups distro.
We have refactored JBC3 to use this mycompany.jgrousp, and all tests passed ok.
Then we`ve been refactoring org.
Yes, that's what I did at first, but it didn't work. Maybe my fault?
So I had hardcoded magicNumbers in the java class, so refactorings work better
for my case.
I still want to know if there is a test suite to pass over JBC to verify it
works correctly. I have downloaded the distrib, which inclu
Hi,
I have made a jar jared version of JBC 3.0.x with JGroups also jarjared for
using in a JBoss AS 4.2.x installation. The thing is it didn't work, so I had
to use a move refactoring with the sources in eclipse to make it work. I'm in a
testing phase, because I'm not very confident it is going
Try here.
http://repository.jboss.org/maven2/org/jboss/cache/jbosscache-core/
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I'll go for the JNDI option, as the JMX Wrapper is documented to disappear in
future versions.
Thanks,
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Hi,
I was using JBossCache 1.4, and with default JMX registration I used to get my
TreeCache from within TreeCacheMBean, registered under
"jboss.cache:service=MyCache".
Now I'm trying to migrate to JBC 3, and registered my cache within an MBean,
that when it starts registers all the caches I us
I have webservice deployed that acts as a ws client application running in my
app. I create a pool of clients to invoke different endpoints, and when
starting my app, I get the following trace:
anonymous wrote :
| 2008-10-22 17:02:29,744 WARN
[org.jboss.ws.core.jaxws.spi.ServiceDelegateImpl]
I`ll try what you suggest, and I`ll enable traces for jbosscacheloader.
I`m using JBoss 4.2.2, and although my app has a lot of traffic, I shouldn`t
run out of DB connections as you say.
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Reply to t
In fact, I only perform a write at startup time, and never again, unless this
values is changed (this hasent happen for more than a year). There shouldn't
have been a write for that value in months, only reads, that is what confuses
me.
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Hi,
I have a JBC 1.4.1.SP10 configured with a JDBCCacheLoader. I`m seeing that when
I query cache there is an access to database, although the queried object is in
cache. Also, sometimes, I have problems qith my database connection, and I`m
getting exceptions querying for objects that are in cac
I've seen the FAQ and the Jira request, and now my question is, how are users
using JBossWS as a client for, for example, acting as a proxy?
I hope there is a large users community that can share experience with us.
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I have thought on initially creating a pool of ports, to eache endpoint I must
use, and use these instances from pool, this way preventing concurrency, but
I'm not sure if this is efficient, or even, really needed. I wanted to know
prior to develop, because it`s a lot of work, since I have lots
We have done this:
|// Static initialization of webservice client
|static protected SendSms stub;
|
|static{
| QName qname = new QName(
| "http://www.csapi.org/wsdl/parlayx/sms/send/v2_2/service";,
| "SendSms");
| SendSmsService service =
Hi, I'm developing an application with JBossWS, and using it as server and as
client, invoking some other webservices in other servers.
Doing tunning of my app, I have found that too much time is spent every time I
invoke getPort on a service, as it seems that everytime is generating the port
on
I'm using JBossAS 4.2.2 with jbossws-native-3.0.2.GA.
I have deployed a service and it is leaving file descriptors open for the wsdl.
I was using jbossws-native 2.0.3 and I didn have this problem, but I have
recently upgraded to 3.0.2 and this problem arrised. I haven't changed this
service, bu
Thanks genman, thats what I did.
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I have already tried with passivation, and this seems to be what I was looking
for.
In a clustered environment, how does passivation works? Is there a master cache
doing the passivation, or every cache will passivate its data whenever an evict
event is triggered?
The problem with JBC3.x is what
I want to achive this behaviour:
Have a cache with a JDBCCacheLoade for secondary storage
Have some regions configured to evict nodes, and some to remove
Only have in secondary storage nodes being evicted, once, and only once, they
have been evicted
For this, I have done a custom eviction Poli
That would be really great!!!
Thanks.
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Pitty for those stuck with JBossAS 4 for a while. :-(
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j
It seems that if I evict FQN.ROOT, only evicts nodes at primary level, and not
its descendants.
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I was already working on it, although I didn't thought on passivation, rather
in a cache.put for every node. I'll try cache.evict, as it seems rather easier.
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This is a pity, since probably there are lots of projects in which isolating
the classloaders is not desirable, and seems that introducing JBC2 breaks it
all.
If I set up Class Isolation for every app I deploy, I have to bundle common
core classes and model, which are stored in cache, and also s
Is there an easy way to save all in-memory state to Database. I need to update
database state, since it may be corrupt, prior to updating my running instances
with a patched version of JDBCCacheLoader with the fix you suggested?
Any help will be appreciated.
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Hi,
I want to upgrade my JBC distribution to a newer one to get some performance
improvements and a clearer api. As fas as I know, I can upgrade JGroups to a
newer version 2.6 series (required by JBC 2.x), but I need to have legacy JBC
1.4.1 for internal JBossAS caches (EJB cache, etc...).
I ne
I have seen a strange behaviour in my app that I have traced down to the
JDBCCacheLoader not working as I should have expected. Propably can be
missused, so I post it here to see if anybody can help me.
I have a cache with a JDBCCacheLoader configured (JBC 1.4.1.SP8).
1- I put a new value in cac
Yeah, as you say, "it hould".
We'll investigate a little deeper. Thanks,
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Using a remove(Fqn).
As we don`t have a cache loader configured for this cache, we could probably do
an evict, but since we have done our own abstraction on top of JBossCache for
our way of doing things, we have chosen to use remove so it works with any
underlying JBossCache.
CacheEviction is
Yes, we are running inside JBossAS.
It seems that nodes/atributes in both servers are very different. Don't
understand, as they should be very close to each other, as we have initial
state transfer, and a whole day has passed by, so nodes not transferred should
have been evicted.
Machine-1:
Nu
Hi,
I have this trace in my logs:
| 2008-06-26 11:31:41,601 TRACE
[org.jboss.cache.eviction.BaseEvictionAlgorithm] Recycle queue is empty
| 2008-06-26 11:31:41,601 TRACE
[org.jboss.cache.eviction.BaseEvictionAlgorithm] process(): region: /_default_/
| 2008-06-26 11:31:41,601 TRACE
[org.jb
Yes. Here it goes.
1- We have 2 node cluster accesing an Ldap backend via JCA conx. (node-1,
node-2)
2- Our Ldap server is restarted (due to maintenance)
3- We have a bug in our Ldap JCA conector, that doesn't detect invalid
conections. So no reconnection happens.
4- In this point, bot nodes (no
Thanks Vickyk for your answer,
But my question was not for the reconnection to the ldap backend. We know where
the problem might be. What we don't understand is the problem we have seen
where when we fix connections from one node of the cluster to the backend
(redeploying the datasource), connec
Hi,
We have a 2 node clustered application, with JBC 1.4.1-SP9. When we upgrade our
app, we see this behaviour:
1- We stop node 1, upgrade our app, and start node 1. (Node 2 keeps processing
application traffic)
2- It takes a while to start (~5 minutes) , since we have fetchInMemoryState to
tru
"jorgemoralespou_2" wrote :
| Also, I see that every time I do a read from cache, it is retrieving the
data from database. Why?
It seems this is only happening when there is a cache miss.
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Forgot to mention:
Cache is 1.4.1.SP9
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What I don`t understund is why, with this configurations (both) the cache
loader does:
1.- Retrieve state from cluster and delete data in JDBCCacheLoader
|
|
| | [org.jboss.cache.TreeCache] received the state (size=131072 bytes)
| | 2008-06-23 13:33:42,733 DEBUG [org.jboss.cache.loa
Hi,
I`m trying to configure my cache loader to achieve the following:
1- Firts node incluster starts. Unable to retrieve state from memory (another
cluster` node) so get it from DB
2- Second clustered node starts. Gets state from memory (another cluster`node)
On cache put. The cache that receives
We have developed some JCA connectors for our app, one of them being an LdapJCA
connector. Yesterday qe experienced a very strange behaviour that I can`t
understand. We have a 2 node cluster accesing an ldap server, this Ldap server
went down, and our JCA couldn`t create connections to the Ldap
Is there any incompatibility between this JBM version (1.4.0.SP3_CP02) and
JBossAS 4.2.2. I see I have to update JBoss remoting to 2.2.2_SP7-brew?
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Is there going to be any other release for JB 4.2.x series?
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It is just for testing the NullPersistanceManager, as I need it. I can retrofit
it into the latest version publicly available, 1.4.0.SP3.
Any timeframe for 1.4.1 final release?
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I have seen the Jira and want to have a look at some issues fixed in 1.4.1.CR1.
Is it accesible somehow?
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Why is it needed for optimistic locking? What if it is a single node cluster
cache?
Thanks
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I have read in the doc's that it is possible to not configure a
TransactionManager at all for the caches, and these will behave like an
auto-commit.
We are experiencing transactional timeouts in the Arjuna Two-Phase commits, in
our production environment, probably network issues. Until we solve
Hi,
I`m new to JBM and I want to know how can I configure JBM to have some queues
clustered (I think it is defaults) and some other queues not persistible at
all. Using NullPersitence.
I have read the docs but there is no pointers on how to mix different
configurations.
Thanks,
View the orig
The code for jbpm
| package test.jpdl.test;
|
| import java.io.IOException;
|
| import org.jbpm.graph.def.ProcessDefinition;
| import org.jbpm.graph.exe.ProcessInstance;
|
| public class TestSomJpdl {
|ProcessDefinition processDefinition = ProcessDefinition.parseXmlString(
Hi Alex,
You could probably be right, if there were same threading and system behaviour
between PVM and jBpm. But this not beeing the case, and having proved this
situation in our production environments with a simple test (which I will post
later this morning, when I have time) in an 8 dual cor
I have been throughly reading the forums, reading through the code, and find
that although orchestration is a feature??? , as theres is some other people
using jBpm to orchestrate services , it doesn't seem to fit the suit.
Has anyone use jBpm to do service orchestration, and having solved p
I have tried PVM (in it`s today state) and results are like the following:
10 executions - 1 Thread
Total exec time
Total executions
Min. exec. time (ms)
Max. exec. time (ms)
Avg. exec. time (ms)
jBpm Run 1311381001230,3114
jBpm Run 2307151001090,3072
jBpm Run 3286961001640,2870
I'm trying to execute multiple processes instances concurrently. I`m
experiencing a locking behaviour. If I execute linearly 1 process
instances, it takes an average 0.4 ms. If I execute concurrently (in 10
threads) 1000 process instances, it takes from 1.5 to 25.0 ms average,
depending on
But why adding a "Node visited event" is making the node to be evicted?
I have set up a 5 max lement FIFO EvictionPolicy. There is 5 nodes in cache.
When I make a call to my custom getSize method, one of the nodes gets evicted,
and size return 4.
I don't underastand this behaviour. Or is it cou
Hi have a cache setup like:
/a/b/node1
/a/b/node2
/a/b/node2
/a/b/node4
...
I have a custom method to get the number of the nodes in cache. Code is as
follows:
| public int size(Fqn fqn) {
| Node child = cache.getRoot().getChild(fqn);
| if (child == null) return 0;
| r
Hi,
We have a 2 node cluster. The only clustering is done through JBC, with
configurations like the one below. We are seeing that when in one node there is
a FullGC with a 10 seconds "Stop the world", requests in the other node get
delayed by 10 seconds. Since we only have the cache shared betwe
Thanks,
It seems to make sense. I`ll do some test to fully understand it.
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"[EMAIL PROTECTED]" wrote : Ah, I see your problem - don't preload the root
node ("/") in your CacheLoader. Let all the data load lazily.
>From what I see in the docs:
anonymous wrote : preload allows us to define a list of nodes, or even entire
subtrees, that are visited by the cache on startup
We need to assure that the data that is not evicted is accesible from both
nodes of the cluster.
We have a big ammount of data in cache, so start up time is very high, if we do
an initial state trasfer. We were trying to test if disabling
initialStateTransfer and allowing the cache to get state
I have an application which executes a lot of processes. I have seen that for
Delegations (DecisionHandlers, for example) it always parses the configuration
xml. Is there a way to avoid this? I mean, having somethig like:
|
| ${context.a}
| 1
|
|
We are tunning our application, and profiling it, and we have seen that there
is too much time spent in FieldInstantiator.parseConfiguration(String
configuration).
I don`t understund why this should be parsed in every run of the process. I
thought that the execution graph is made the first time
Hi,
There are lot of people working with JBossWS and Maven2, and every time there
is a release, we have to deploy artifacts into our private maven repositories,
because they are not deployed in JBoss Maven2`s repository.
This also happens with lots of other JBoss` projects.
Is it so difficult to
"[EMAIL PROTECTED]" wrote :
| Assuming load balancers equally distribute load, then it should be roughly
equal.
|
That`s what I thought. And yes, we see an even balancing behaviour. Both nodes
process more or less same traffic.
"[EMAIL PROTECTED]" wrote :
| When you say Read and Write
"[EMAIL PROTECTED]" wrote : cache_4 does use a cache loader though?
(ExtendedClusteredCacheLoader). Cache misses will be broadcast across the
cluster to attempt a load from a neighbouring cache.
I never said this cache didn't use a cache loader. I assume broadcasting of
misses occurs in both
This is a cache without a cacheloader.
We have a 4 different caches in our app. This 4 caches have different
constraints, and also varying times. This is in our production cluster, which
is intensively used, so we can see this difference. Under development
scenarios, load is not so tremendous, s
We are seeing very different read/write time in CacheManagementInterceptor`s
statistics for both of the 2 caches in our cluster. Traffic is almost the same
in both nodes, and the rest of the statistical info seems reasonable and almost
identical. Read/Write ratio, number of stores, number of hit
Hi, reding the docs, I can't fully understand what are the differences between
both types of endpoints, and when should I use one or the other. What is best
for EJB3 endpoints? Since I have always done POJO endpoints, I want to know if
doing EJB3 enpoints could signify in a performance boost of
Forget it.
we were testing different versions. The one with Oracle really had the problem,
but it was in our code. We were modifying an attribute in a node, not by
calling the api to modify the attribute, but the api to modify the whole node,
which seems it wasn't updating the node in database.
Hi,
We have a system, where we test it with Oracle9i and Mysql5, with these
configuration.
|
|
|
|
|
|
|
|
|
|
|
|
| jboss:service=Naming
| jboss:service=TransactionManager
|
|
I answer myself.
It seems to be a problem with replication. Replication in one side was not
working. JGroups channel didn`t connect. The problem was that I didn't see any
trace in the logs.
Thanks, anyway.
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Hi, we have a cache configured like this:
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| jboss:service=Naming
| jboss:service=TransactionManager
|
|
jboss.jc
Thanks genman, but my app and the cache are both fully started. In fact, using
Node directly instead of TreeCache works. The problem this way is that
interceptors dont get called, which may prevent getting evicted nodes.
what I want to know is if this jira is a bug, and why it wont be fixed, or i
I'm having a similar problem in my app.
I use getChildrenNames() to iterate over the tree to get my nodes, in order to
print them, or do queries on them.
When I set up a ClusteredCacheLoader, every call to getChildrenNames() remove
the children from the cache. I have searched Jira, and found JBCA
Hi,
We have a large application, with large amount of data stored in cache. For
some data, we store it as nodes, for some other data, we store it as
attributes, in order to find a good compromise between number of nodes, data in
each node. We use SYNC_REPL to replicate data between our 2 node cl
We`re not using persistence, so I guess HQL is not an option.
Thanks anyway.
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Hi,
We have an ActionHandler where we want to Transition to take the first possible
transition that is not an Exception Path, this is, is not one of the possible
transitions taken by an ExceptionHandler`s actions.
We have this code now:
| private String getOutputTransition(ExecutionContex
We`ll share our results when we get into the change.
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jb
anonymous wrote : Also, make sure your JBC 2.x jar (and it's dependencies)
reside in your WAR or EAR file.
So if we have more than one application using these caches, say for example,
caches are defined in one APP, and used in this and some other apps, would
there be any conflict?
Also, if we
Is it possible?
Would libraries interfere between bundled JBC 1.4.1x and our JBC 2.x?
Has anybody done this? How is youre deployment?
Thanks.
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Thanks for youre response. We`ll try it tomorrow.
And, yes, youre right, this post is also ours.
http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4104272
Sorry for crossposting.
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We have a problem with this.
Our cache is InactiveOnStartup, and we activate it programatically, so we wait
for objects (classes) being fully loaded in the starting cluster node, before
getting data nodes replicated from the other cluster node, so we avoid
ClassNotFoundExceptions, and such.
In
Then, for another cache that we don`t persist, but we do evict. Should we
configure a ClusteredCacheLoader?
Is eviction clustered node dependant? Is eviction in this case, the same as
removing the node? Or by evicting the node, and having a ClusteredCacheLoader,
we can have data in one node and
So, to be completely correct, we should have a ClusteredCacheLoader, and then a
JBossCacheLoader configured. This will help us with evicted data.
Normal replication, for puts and removes will always happen, independently of
having or not any clustered cache loader.
Is this right?
View the origi
anonymous wrote : The cache will first check it's own local memory and after
that, check all cache loaders. If you want it to query other caches in the
cluster as well, add a ClusteredCacheLoader to your configuration, *before* the
JDBCCacheLoader.
This seems strange to me, because, we have ano
Hi,
We have a two node cluster configured with replication and a JDBCCacheLoader,
as follows:
|
|
|
|
|
| jboss:service=Naming
| jboss:service=TransactionManager
|
jboss.jca:name=jdbc/somservices,service=DataSourceBinding
|
| o
Hi, I see in Jira the 4.2.2 release notes:
http://jira.jboss.org/jira/browse/JBAS?report=com.atlassian.jira.plugin.system.project:changelog-panel
But I can`t find any link to download it.
Anyone?
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Hi,
I have two applications:
One of them generates a session ID, executes some process, and in some
situations, forwards to a jsp in another web application. I do this as a
pluggable templating system. In this JSP I do some things, and return the
requested page to the user, but although I do a
Thanks Manik for your response.
I`ll go for a custom classloaders that only listen for startup/stop events.
Hope I get it right.
I`ll let you all know.
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