August 2008 - jboss-dev-forums - Jboss List Archives

[Design of JBoss Transaction Services] - bundling JTS into AS 5.0

by jhalliday

So I'm mulling over how best to include JTS into AS 5.0. Right now it's a separate download and manual install, which sucks. We should ship the necessary .jar and config files in the AS and either have a server with it already installed (e.g. 'default', 'all', 'all-jts') or at least provide scripting for as much of the install as possible (e.g. 'ant -f install-jts-to-server-all.xml') There are a few complications: the .jar files and config files for JTA and JTS don't cohabit well. Having both on the classpath is asking for trouble, so we can't simply dump them both into 'all' and use the transaction-beans.xml to switch between them. Installing the JTS requires first uninstalling the JTA. Right now I'm leaning towards editing the JBossAS build process so it pulls the JTS .jars and config file from the maven repo and puts them in docs/examples/jts along with an ant script that will copy 'all' to 'all-jts', ripping out the JTA and putting in the JTS in the process. There may be some bits of that process that will be tricky to automate fully as it requires editing existing xml files, but it should be possible to automate most of it. This approach makes for a smaller AS distribution footprint than providing a full server subdir with the jts in, as the cost of being less convenient for customers who do need the JTS. Any further thoughts from the JBossAS side of the house before I start in on this? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171225#4171225 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171225

17 years, 7 months

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[Design the new POJO MicroContainer] - Re: MDR doesn't work on annotated privates

by wolfc

"adrian(a)jboss.org" wrote : The idea of DeclaredMethodSignature is to get something working. | | I'd much rather use MethodSignature, it's just a case of finding a way to | do it without adding performance penalities to (or even worse breaking) | existing code. | | Like I said in an earlier post, once we know how to do that, we can retrofit | DeclaredMethodSignature to be: | | | | @Deprecated // legacy hack | | public class DeclaredMethodSignature extends MethodSignature { ... } | | | Although I agree, I don't see how that's possible. MethodSignature only works if you know the class hierarchy. class A { void postConstruct() {} } | class B extends A { void postConstruct() {} } For object A1: MethodSignature postConstruct equals DeclaredMethodSignature A.postConstruct. For object B1: MethodSignature postConstruct equals DeclaredMethodSignature B.postConstruct. If I had @PostConstruct on A.postConstruct: For object A1: has annotation @PostConstruct on MethodSignature postConstruct For object B1: has no annotation @PostConstruct on MethodSignature postConstruct while both MethodSignatures are equal. I would say: m1 = memoryMetaDataLoaderA.getComponentSignature(methodSignaturePostConstruct); | m2 = memoryMetaDataLoaderA.getComponentSignature(declaredMethodSignatureAPostConstruct); | assert m1.equals(m2); and m1 = memoryMetaDataLoaderB.getComponentSignature(methodSignaturePostConstruct); | m2 = memoryMetaDataLoaderB.getComponentSignature(declaredMethodSignatureAPostConstruct); | m3 = memoryMetaDataLoaderB.getComponentSignature(declaredMethodSignatureBPostConstruct); | assert !m1.equals(m2); | assert m1.equals(m3); Right? "adrian(a)jboss.org" wrote : Add it if you want, or raise a JIRA issue. The assertion only highlights the problem, it doesn't solve anything. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171213#4171213 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171213

17 years, 7 months

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[Design of Messaging on JBoss (Messaging/JBoss)] - Re: Paging discussion:

by timfox

"clebert.suconic(a)jboss.com" wrote : One thing I did on the Paging Branch was to create three new methods on ServerMessage to control reference counting. | | With that I can discount the size of a queue when refCount == 0, and start depaging as soon as the size reaches some minimal watermark. | Can you explain more, I didn't get that. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171189#4171189 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171189

17 years, 7 months

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[Design of JBoss/Tomcat Integration] - Re: JBossWeb-based load metrics for mod_cluster

by bstansberry＠jboss.com

The LoadMetric.getBenchmark() method concerns me; seems like it will be hard to configure meaningfully. If you don't get it right, you can't properly apply the weights. Maybe my goal of having each node return a single load value when asked by the master was a mistake. If each node returned a Map<String, Double> where the values are the individually time-decayed metrics, the master could normalize each value relative to the same value from the other nodes, and then apply the weighting to the normalized values. On the DynamicLoadBalanceFactorProvider, can the periodic event coming from the JBoss Web listener drive the calculation? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171172#4171172 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171172

17 years, 7 months

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[Design of POJO Server] - Re: ProfileService equiv to ServiceBindingManager

by bstansberry＠jboss.com

You'll need to provide more details on the problem you are seeing. I haven't seen any issues related to SBM. I just updated my trunk checkout, built and started; no problem. And the last hudson testsuite run showed no problem: http://hudson.qa.jboss.com/hudson/view/JBoss%20AS/job/JBoss-AS-5.0.x-Test... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171171#4171171 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171171

17 years, 7 months

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[Design of Messaging on JBoss (Messaging/JBoss)] - Re: Paging discussion: (Repost)

by clebert.suconic＠jboss.com

One thing I did on the Paging Branch was to create three new methods on ServerMessage to control reference counting. int decrementRefCount(); | | int incrementRefCount(); | | int getRefCount(); | With that I can discount the size of a queue when refCount == 0, and start depaging as soon as the size reaches some minimal watermark. The paging logic is already working on the branch. I still have some work to do such as configuring paging size individually and some other small things, but I'm almost there. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171162#4171162 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171162

17 years, 7 months

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[Design of Messaging on JBoss (Messaging/JBoss)] - Re: Paging discussion:

by clebert.suconic＠jboss.com

One thing I did on the Paging Branch was to create three new methods on MessageReference to control reference counting. int decrementRefCount(); | | int incrementRefCount(); | | int getRefCount(); | With that I can discount the size of a queue when refCount == 0, and start depaging as soon as the size reaches some minimal watermark. The paging logic is already working on the branch. I still have some work to do such as configuring paging size individually and some other small things, but I'm almost there. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171162#4171162 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171162

17 years, 7 months

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[Design of POJO Server] - Service deployment failing due to ServiceBindingManager?

by anuman36

Is the inability of the URLDeploymentScanner to load some of the package sevices in the deploy directory caused by the new configuraiton setings done via the bindings.xml? My instance of the nightly build of CR2 is unable to load the TomcatServiceMBean class. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171157#4171157 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171157

17 years, 7 months

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[Design of Messaging on JBoss (Messaging/JBoss)] - Re: Messages are lost on Queue?

by clebert.suconic＠jboss.com

Just found what I was doing when this happened. I - Start the server: ant runServer II - Start a consumer: ant perfListener -Ddrain.queue=false III - Kill the consumer, start the consumer again: ant perfListener -Ddrain.queue=false IV - Start the sender ant perfSender You will miss about 20K messages on the execution. It doesn't matter if you wait some time before restart the Listener, you will aways loose messages. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171151#4171151 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171151

17 years, 7 months

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[Design of Messaging on JBoss (Messaging/JBoss)] - Re: Message redistribution in JBM 2.0 - request for feedback

by jeffdelong

Ok, so partial queue is what others might call a "physical" queue. It is the representation of a logical queue in a particular node. You said: anonymous wrote : When a message is sent to a logical queue it is sent to one of the nodes of the cluster and it goes into the partial queue on that node. | How does JBM decide which node to send it to? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4171150#4171150 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4171150

17 years, 7 months

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jboss-dev-forums August 2008