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problem with lazy loading - unittest project attached

hi, i'm still testing objectdb together with spring-data-jpa. i made a test which should simulate 4 requests 1. save entity 2. read an existing entity, add onetomany relation 3. read an existing entity, add another onetomany relation 4. read entity, get relations. i have the feeling this is not the optional way to test this, because of the differnt transaction behavior. the test is not transactional, but the spring repository methods are. ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Speed of queries that return many objects

Hi, I have a DB of 146MB - with 1_000_000 elements. Loading the contents (objectDB query in java) takes about 10sec. I am using a recent MacBook (SSD blabla - disk I/O speed is about 400MB/sec - according to blackMagicTest app for mac) - so I was expecting the query to take less than one sec (146/400 = 0.35sec.. + some overhead). I was wondering if this kind of speed is "normal", or if this is something I should investigate. Thanks EKK ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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alter table

Hi: After a table built by real data, how to alter table structure, such as: alter table add column ... alter table add index ... TIA ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Listing large number of complicated objects with paging.

Hi, For last few hours I was working on a problem with bad performance and memory problems with such a simple query: select prod from Product prod order by prod.id ASC Right now I have 55541 'Product' (attached to this post) entities in database and I'm trying to speed listing them with paging. The problem is, that running code that looks like this: ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
issue

ObjectDB 2 JDO Manual

The new ObjectDB Manual describes how to use ObjectDB 2 with JPA. An additional manual that focuses on using ObjectDB 2 with JDO can help JDO users. But since writing a new manual and then maintaining two similar manuals, one for JPA and the other for JDO requires sufficient effort, this will be done only if there is sufficient demand.  ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Issue with Casting / Joins

Hi I can't seem to find my way out of this. Basically what I have is something like: ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Cannot cast com.objectdb.jpa.Provider to PersistenceProvider

Hi! I'm trying to get ObjectDB 2.5.1_1 work with stable Glassfish 4 in a Java EE 7 NetBeans project. objectdb.jar is added into GF's classpath (domains\domain1\lib\ext folder). Any help, please?... Thanks! Here it is the persistence.xml config: ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Closed EntityManagerFactory after upgrading glassfish 3.1.1 to 3.1.2

Hi. I have faced a very serious issue. After upgrading the GlassFish server from 3.1.1 to 3.1.2 this error appears:   ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Type ... is not defined as an entity (@Entity is missing) (error 302)

Hello, I am using ObjectDB 2.2.8_08 with eclipse 3.6 and Groovy objects. I am attempting to persist an instance of CultureRqst in the project com.epimss.lab by using a Connection class imported from the project com.epimss.admin.   I can access the database OK, but attempting to persist the CultureRqst leads to the following exceptions: ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...

 
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Internal exception when updating date filed (TemporalType.DATE)

Hello! ObjectDB version 2.5.3_02. I get internal exception when commiting update Date field (javax.persistence.TemporalType.DATE). ... insert formatted lines (e.g. Java code , stack trace ) - select a style in the toolbar and then insert the text in ...