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Strings in JPQL and Criteria Queries

Explains string expressions in JPQL queries, including LIKE, LOCATE, LOWER, UPPER, TRIM, CONCAT and SUBSTRING.... CONCAT - String Concatenation SUBSTRING - Getting a Portion of a String Java String Methods (ObjectDB ... and Montenegro' . SUBSTRING - Getting a Portion of a String The SUBSTRING(str, pos [, length]) ...

 
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server.exe on 32bit and 64bit Windows

Is the server.exe compatible to start the objectdb server on Windows 64bit OS?  Or 32bit only?   ... 1. Trying again without explorer.ini. ... getting message box with text: "Failed to find Java VM" 2. Trying with ...  .... getting message "Error starting Java VM"   I'm running ...

 
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Glassfish 3.1.2.1 and ObjectDB 2.4.3

Hello, I tried to get the Guestbook tutorial run with Glassfish (see above) but it's not working. When I try to add a guest I got a HTTP Status 404 Wich versions of ObjectDB should I use? Thanks ... build 23 ) INFO : Grizzly Framework 1.9.46 started in : 33ms - bound to [ 0.0.0.0 : 8080 ] INFO : Grizzly Framework 1.9.46 started in : 17ms - bound to [ 0.0.0.0 : 8181 ] INFO ...

 
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find() cost unreasonable time!

Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? Result: #1 2011-06-29 12:58 Hi, I make a full binary tree of 4095 node, I check the first 9 node, but the root cost 24 seconds, why? ...

 
manual

[ODB1] Chapter 8 - ObjectDB Server

An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing these databases from remote machines by TCP/IP. More details about client server mode vs. embedded database mode are discussed in Section 1.2. An ObjectDB server can manage one or more databases. Databases that are managed by a server can be accessed by multiple processes simultaneously. In addition, the server supports accessing these databases from remote machines by TCP/IP. More details abo ...

 
page

JPA Tutorials

Tutorials for using JPA and ObjectDB in Eclipse and NetBeans (console applications, web application, Java EE 6 applications). The following tutorials demonstrate how to develop database driven applications using JPA and the ObjectDB ODBMS (Object Oriented Database Management System). Console JPA Tutorial The Quick Start tutorial demonstrates how to use Objec ...

 
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JBoss 7 startup fails

Hi, I was having a go with entity beans 3.x jboss 7, objectdb and the guestbook web application but cannot come out of the swamp. I use eclipse indigo as IDE The "src" folder contains the pachake guest and within the classes: Guest.java, GuestListener.java and GuestServlet.java The WebContent/META-INF dir contains: context.xml ... ] ( MSC service thread 1-2 ) Started FileSystemDeploymentService for directory ... Controller Boot Thread ) JBoss AS 7.0.1.Final "Zap" started in 25327ms - Started 93 of 148 services ( 55 services are passive or on-demand ) ...

 
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How to Use a SF with extended Persistence Context?

Hey, I have a problem to use SF with an Extended Persistence Context Regarding to Transactions. The need for an extended persistence Context emerges for the need to create queries in advance for fast execution so I need to store the queries and I need an EntityManager that doesn't get closed between calls. When I call the SF directly no problem happens but if I use SL to hold a reference to the SF I get com.objectdb.o._PersistenceException: Attempt to begin a new transaction when a transaction is active. ... (MSC service thread 1-2) JBAS015012: Started FileSystemDeploymentService for directory ... thread 1-11) JBAS015874: JBoss AS 7.1.1.Final "Brontes" started in 2274ms - Started 292 of 371 services (78 services are passive or on-demand) ...

 
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Problem to use find method on an abstract Class: AbstractMethodError is thrown

Hi, I'm using JBoss AS 7 WildFly with ObjectDB installed as a module ( also Java 7, Eclipse Juno) In my db there are objects of type SentenceStatement which inherit from type LogicalObject  When I use find method mentioning SentenceStatement everything works just fine but when I use this method mentioning LogicalObject I get AbstractMethodError Please see services.Tester class with the 2 options for a better ease    this is the stack trace when I try to find LogicalObject: ... (MSC service thread 1-5) JBAS015012: Started FileSystemDeploymentService for directory ... thread 1-12) JBAS015874: JBoss AS 7.1.1.Final "Brontes" started in 2328ms - Started 254 of 333 services (78 services are passive or on-demand) 08:17:23,530 ...

 
issue

Pessimistic lock timeout - blocks indefinitely

I've attached a simple test which creates an object then kicks off several threads which each try to update the object. I'm using a pessimistic lock with timeout as follows: ... "updater2" gets the object next but this appears to be getting the original copy rather than the commited update and ends up in a ...