January 2009 - jboss-user - Jboss List Archives

by mohitanchlia

Jboss 4.2: Question about timeout attribute of SocketInvoker as mentioned below: socket://${jboss.bind.address}:3873/?numberOfRetries=1&timeout=5000 What does timeout 5000 mean? Does it mean the time to get the remote socket connection? Or does it mean after the connection is made then how long to wait for server response? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199136#4199136 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199136

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: JPA entity caching with JBossCache in JBoss-5.0 GA

by bstansberry＠jboss.com

"jaikiran" wrote : I'm trying to move a EJB3 JPA example which has second level cache enabled to JBossAS-5.0 GA. I am following this wiki for instructions http://www.jboss.org/community/docs/DOC-13200. Based on those instructions i have been able to get the example deploying successfully in JBoss-5 GA. I have a couple of related questions: | | | 1) Is there a way to access this second level cache from within the application (ex: from a EJB3 bean). I see that the java:CacheManager is registered in the JNDI. So would the following be the correct thing to do: | | | private Cache getCache() throws Exception | | { | | org.jboss.cache.CacheManager cacheManager = (CacheManager) new InitialContext().lookup("java:CacheManager"); | | return cacheManager.getCache("mvcc-entity", false); | | } | | | | The org.jboss.cache.CacheManager.getCache() accepts 2 arguments. I could not find the javadocs and wasn't sure what to pass. Based on some explanation from the wiki, i decided to pass mvcc-entity as the first param. What exactly are these parameters used for? | Javadocs are at http://www.jboss.org/file-access/default/members/jbosscache/freezone/docs.... The second param is whether the cache manager should create the "mvcc-entity" cache if not already created. Whether you pass true or false depends on whether you want a guaranteed non-null return. Note that any code that calls getCache() should also call releaseCache() when it is done with the cache. The CacheManager uses reference counting to know when to stop the cache. anonymous wrote : | 2) Once i get hold of the cache, is there some way through which i can figure out whether a particular entity is cached? | | public boolean isCustomerInCache(Long id){ | | | | Cache cache = getCache(); | | // is there some way through which i can check if the entity is cached? | | | | | | } | | IMO doing any of this is a bad idea; the cache is an internal structure of the Hibernate SessionFactory. For sure it's a bad idea to document such a thing in any of the EJB3 examples!! :-) If you want to poke around for your own knowledge, the eviction chapter in the Hibernate/JBC guide at http://www.jboss.org/servlet/JiveServlet/download/10386-69-6042/hibernate... includes discussion of how things are stored. Hibernate provides an API (Statistics) for inspecting the Second Level Cache. See http://www.hibernate.org/hib_docs/v3/reference/en-US/html/performance-ses.... Users should restrict themselves to that API. If an existing EJB3 example pokes around in the cache internals, I encourage you to convert it to use the Hibernate Statistics API. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199126#4199126 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199126

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: org.jboss.cache.TreeCache and JBoss cache > 1.4.1

by bstansberry＠jboss.com

Sorry, I don't think deploying a 3.0.1 cache inside an AS 4.x clustered webapp war will work. :( As you've seen, the session replication code needs the 1.4.x classes, so you can't just replace the JBC version in server/all/lib. But if the 3.0.1 classes are in the war, they'll be visible to the session replication code as well, likely leading to incompatible type issue (e.g. which version or org.jboss.cache.Fqn). View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199125#4199125 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199125

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: Problem when using EJB3EntityTreeCache for caching entit

by bstansberry＠jboss.com

Please repost your service.xml, but use the "Code" button above to enclose it in a code block. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199122#4199122 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199122

17 years, 3 months

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[JBoss Getting Started Documentation] - Re: DNS access

by jaikiran

Use the -b option to start the server. See this for details http://www.jboss.org/community/docs/DOC-10179 View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199121#4199121 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199121

17 years, 3 months

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[EJB 3.0] - Re: EJBException: Failed to acquire the pool semaphore, stri

by jaikiran

anonymous wrote : So 20 messages had been started and of those 5 had been completed If you look at the ejb3-interceptors-aop.xml in the deploy folder, you will notice that for the Message Driven Bean, there's a StrictMaxPool setting of max pool size = 15. Looking at your logs, it appears that each message processing in the onMessage takes around 10 or more minutes. And you have reached a stage where all the pool size of 15 has exhausted for that MDB. You can configure the pool size for your MDB by using a @PoolClass annotation. See this for details http://www.jboss.org/jbossejb3/docs/reference/build/reference/en/html/ses... View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199120#4199120 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199120

17 years, 3 months

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[JBoss Cache: Core Edition] - Re: Naga and Maven

by jorgemoralespou_2

Try here. http://repository.jboss.org/maven2/org/jboss/cache/jbosscache-core/ View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199119#4199119 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199119

17 years, 3 months

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[EJB 3.0] - map atrribute

by DanielFT

Hello. i`m trying to map a attribute that is a Map using jpa annotation. With hibernate i map like this: | <class name="User" table="user"> | ... | <map name="rights" table="user_rights" lazy="false" cascade="all" order-by="entity_id asc" > | <key column="user_id"/> | <index column="entity_id" type="string"/> | <element column="rights" type="string"/> | </map> | .... | </class> | it work!. but now i want use jpa annotations. how can i do it? i try it: | @Entity | public class User implements Serializable { | ... | @JoinTable(name = "user_rights", | joinColumns = { @JoinColumn(name = "user_id") } ) | @MapKey(name="entity_id") | private Map<String, String> rights; | ... | but it not work thanks! View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199118#4199118 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199118

17 years, 3 months

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[Clustering/JBoss] - Re: jboss shutdown gives error

by bstansberry＠jboss.com

It's hard to say what your problem is without more details about the error you are seeing. What exactly are you seeing that means "my session is not valid"? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199117#4199117 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199117

17 years, 3 months

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[Persistence, JBoss/CMP, Hibernate, Database] - Re: Could not find datasource message in client JPA although

by jaikiran

anonymous wrote : Caused by: java.lang.ClassNotFoundException: org.jnp.interfaces.NamingContextFactory | The exception still shows this classnotfoundexception. How are you adding the jars to the classpath and how are you running the client? View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4199113#4199113 Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&p=4199113

17 years, 3 months

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jboss-user January 2009