[JBoss jBPM] - Re: wiki>>JbpmBuildingTheSources: update for svn?
by kukeltje
anonymous wrote : I wonder why it is so difficult to get a simple, direct and clear answer...the replys are always "in svn", "in cvs", "already answered". Maybe i'm completely insane, but could it be that if so many people ask for it maybe it isn't so easy or so clear. Can't you think that maybe the problem is the information and the instructions and not the people?
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| If someone asks me where the sourcecode is, the answer (now) is The source code is in SVN. Because it is.
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| If I say: "I already answered it", is because I already did (multiple times)
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| The wiki currently is in a state of flux so to some extend it is the information and not the people, but on http://jbpm.dyndns.org/jbpmwiki there IS a description on how to build from the sources with eclipse and maven. The way it currently is, was new to me as well, but I got it up and running in 15 minutes, so lets get that out of the way first.
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| anonymous wrote : maybe it's not enough for many people that needs more complete information.
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| Depends on the target audiance. NASA will never provide you with the docs on how to build a rocket, not to the level that you could use build one. Simply because the docs they *do* have are not targeted at you and writing docs so you could give it a try costs to many hours and will still result in to many questions to be answerd. So.... The same is true here. You need the source if you want to change something, If you don't, use the jars. If you want to change something CONSTRUCTIVELY (contributing back) you will find enough info in the current docs
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| The reason I might sound offensive is that these questions are so basic (and distributed over many topics) That a reference to the wiki (the correct one for this, which again unfortunately is down at the moment get's lost quickly.
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| anonymous wrote : On the other hand, it's not necessary to be so...offensive?nobody knows everything. It's possible, maybe, that i'm quite expert on java ee, struts, jsf, hibernate, ibatis, and much more and don't know anything about ant or maven. It's possible, isn't it?No most likely not, and even then, if it was, you would have the capability of lean maven/ant quickly
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| anonymous wrote : What if I don't know anything about development or programming?i don't have the right to test it and learn?
| You do, but that is why the jBPM suite is provided. A preconfigured JBoss AS with database, jBPM etc... Runs out of the box.
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| anonymous wrote : I think that a forum is a very useful tool for a community.A place to express, to share, to learn, to teach, to grow. Some people in this forum could be a little kinder. It is, but a jBPM forum is not the place on where you should learn maven and ant.
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| anonymous wrote : , for dummies (like me)I'm not saying you are a dummy, the jBPM SOURCE is just not targeted at dummies. It is for well experienced developers.
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| anonymous wrote : Sorry for writting so much.No problem, but I hope you fully understand my response and why I respond in the way I respond. The (small) error I made is that I posted a link to the sources and not the wikipage on building the sources
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17 years, 10 months
[EJB/JBoss] - Jboss hangs after running for a while
by imranpariyani
My application runs fine for a while but after that it just hangs and in the log file i see this warnings
| 2008-09-16 21:03:00,116 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f42 invoked while multiple threads active within it.
| 2008-09-16 21:03:00,117 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f42 abo
| rting with 1 threads active!
| 2008-09-16 21:03:00,117 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f48 invoked while multiple
| threads active within it.
| 2008-09-16 21:03:00,117 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f48 abo
| rting with 1 threads active!
| 2008-09-16 21:03:00,118 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f4e invoked while multiple
| threads active within it.
| 2008-09-16 21:03:00,118 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f4e abo
| rting with 1 threads active!
| 2008-09-16 21:03:00,118 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f54 invoked while multiple
| threads active within it.
| 2008-09-16 21:03:00,118 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f54 abo
| rting with 1 threads active!
| 2008-09-16 21:05:00,121 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f5e invoked while multiple
| threads active within it.
| 2008-09-16 21:05:00,121 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f5e abo
| rting with 1 threads active!
| 2008-09-16 21:05:00,122 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f68 invoked while multiple
| threads active within it.
| 2008-09-16 21:05:00,122 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f68 abo
| rting with 1 threads active!
| 2008-09-16 21:06:54,238 DEBUG [org.hibernate.impl.SessionImpl] opened session at timestamp: 12215920
| 142
| 2008-09-16 21:06:54,238 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Looking for a JTA transa
| ction to join
| 2008-09-16 21:06:54,238 DEBUG [org.hibernate.jdbc.JDBCContext] successfully registered Synchronizati
| on
| 2008-09-16 21:06:54,238 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Looking for a JTA transa
| ction to join
| 2008-09-16 21:06:54,238 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Transaction already join
| ed
| 2008-09-16 21:07:00,124 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f72 invoked while multiple
| threads active within it.
| 2008-09-16 21:07:00,124 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f72 abo
| rting with 1 threads active!
| 2008-09-16 21:07:00,124 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.BasicAction_58] - Abort of action id -3f57fee6:96b7:48ce8118:30f78 invoked while multiple
| threads active within it.
| 2008-09-16 21:07:00,125 WARN [com.arjuna.ats.arjuna.logging.arjLoggerI18N] [com.arjuna.ats.arjuna.c
| oordinator.CheckedAction_2] - CheckedAction::check - atomic action -3f57fee6:96b7:48ce8118:30f78 abo
| rting with 1 threads active!
| 2008-09-16 21:11:54,246 DEBUG [org.hibernate.impl.SessionImpl] opened session at timestamp: 12215923
| 142
| 2008-09-16 21:11:54,246 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Looking for a JTA transa
| ction to join
| 2008-09-16 21:11:54,246 DEBUG [org.hibernate.jdbc.JDBCContext] successfully registered Synchronizati
| on
| 2008-09-16 21:11:54,246 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Looking for a JTA transa
| ction to join
| 2008-09-16 21:11:54,246 DEBUG [org.hibernate.ejb.AbstractEntityManagerImpl] Transaction already join
| ed
|
these warnings just keeps repeating .. is it because of some memory leak ?
or does it happens when writing the entities to the cache and reading it at the same time ?
I am using JBOSS 4.2.2 GA
i would appreciate any suggestions
Thanks
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17 years, 10 months
[JBoss Tools (users)] - Can't generate seam entities
by ssopiadis
Hi!
First of all apologize my realy bad english (i 'm greek) ... and my newbie understandnig of the SEAM-world (i 'm very new to this J2EE stuff).
My problem is realted to Eclipse 3.4, JBOSS Tools 3.0.0 Alpha and !!GLASSFISH!!
Had no problem with installing Eclipse, the (nightly build) of JBoss Tools (16/9/2008) into Eclipse (used dropin folder) and downloading and setting up Glassfish v2 driver and the application server. Setup of JBOSS 4.2.1GA into the framework worked also fine without any problem. MySQL driver was also setup, cause Eclipse seems to have problems finding the preconfigured driver.
JRE used 1.5 .
First project - no problem: New Seam Web Project->choosing JBOSS 4.2 as the deployment server, using all the default values until the last form. There i choose to create a new connection profile, setting it up properly (trying to ping, which works fine), after that, filling out the fields of Database Schema Name, Database Catalog Name and checking the DB Tables already exists checkbox.
After this step trying to SEAM GENERATE ENTITIES which works fine!
Second projet - no way to work: New Seam Web Project->choosing Glassfish as the deployment server and using all the default values until the last form. There i choose as connection profile the one from the previous project. Everything seems to work fine. After this step trying to SEAM GENERATE ENTITIES which DOES NOT WORK AT ALL!!!
The error i get is:
Can't generate seam entities
org.hibernate.console.HibernateConsoleRuntimeException: Problems while loading database driverclass (com.mysql.jdbc.Driver)
Problems while loading database driverclass (com.mysql.jdbc.Driver)
org.hibernate.console.HibernateConsoleRuntimeException: Problems while loading database driverclass (com.mysql.jdbc.Driver)
Problems while loading database driverclass (com.mysql.jdbc.Driver) java.lang.ClassNotFoundException: com.mysql.jdbc.Driver
com.mysql.jdbc.Driver
First i thought it has to do with the installation of Eclipse beeing somehow missconfigured (dont't know how!!). So i reinstalled a fresh Eclipse setup with all the stuff. Tried to create JBOSS based projects which worked fine. As soon as i tried to use Glassfish i got this error.
Does reverse engeneering not function with Glassfish selected? I searched JIRA but could not find anything similar to this.
MAAANY thanks in advance
ssopiadis
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17 years, 10 months
[EJB 3.0] - Temporals and ON UPDATE CURRENT_TIMESTAMP
by ddennis
Hello there,
I have an entity bean with a field "dtupdated" that I would like to have
set to the current timestamp on each update of the dataset. It is annotated
the following way.
@Temporal(TemporalType.TIMESTAMP)
@Column(columnDefinition="TIMESTAMP ON UPDATE CURRENT_TIMESTAMP")
private Date dtupdated;
My DB is mySQL.
If I retrieve this entity bean from the DB now, make changes and write it back to the database, the dtupdated field will of course not be set to CURRENT_TIMESTAMP, because it's previous value will be explicitly passed in the UPDATE statement on the DB and CURRENT_TIMESTAMP is only set, if a NULL value is passed...
How can I create a field with the desired behaviour? Any good solutions out there?
Thanks a lot for your help -
Dennis
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17 years, 10 months