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How to do multithreading with embedded ObjectDB

.PESSIMISTIC_WRITE);         point.setX(point.getX() + 1);   johnvu
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How to package orm.xml when using EJB in WAR?

, and a singleton annotated with @Startup can access the database OK for both read and write
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Import data from MySQL

you will have to write your own conversion program. If you use JPA with MySQL you can retrieve old data from MySQL
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Integrating the ObjectDB logging into the application logging based on slf4j

We would like to write the logs of ObjectDB with into the log of our application. What do you use for logging? With or without slf4j and if so, what concrete implementation? Do you see a way to combine your logging with our logging? The ObjectDB logging is based on our own internal implementation
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internal object DB locking in an embedded multi threaded application

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InternalException during producer/consumer scenario

and LockMode set to PESSIMISTIC_WRITE. This results in the exceptions below. Could you advise on the errors
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Issue with UPPER ?

your change list of the various versions, i.e. writing what effects a fix
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Iterating over large result set

Hi, Few days ago I was writing some code to iterate over quite a large dataset. Fitting those data in memory was quite a challenge even with 3GB heap space. So I did paging using two loops. for (int page=0; page < resultCount; page+=pageSize) {     Query q = em.createQuery("query
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java.lang.NullPointerException when using ORDER BY

member like r.startDateTime.   As I was writing the previous post it occurred to me try ORDER BY
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java.sql.Time field off by 30 minutes

Hihi, I'm wondering if this is a bug. I have a simple entity with java.sql.Time field. On writing and readback, the field is found to be 30 minutes off. It is observed on objectdb explorer as well. Timestamp works perfectly fine. Ps. dont think its a UTC issue. My system is set at far off UTC+30min