About INSERT INTO

forum_thread

Java 6/7 Performance Comparison

Hey, I've been using ObjectDB for a small scale home project to gain some familiarity before proposing it in a commercial project at work. What I've noticed though is that when using objectdb in embedded mode based on the console tutorial, there seems to be a bit of a performance gap running the same code between Java 6 & 7 Tracing it through I can see the bottle neck seems to be at the creation of the entity manager and I was wondering if there are any additional configuration options I may have missed while running under java 7. ... and the output for it. I've packaged the class into a jar file on its own run this from the terminal (to rule out any issues ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Replication error - parsing objectdb config

I'm trying to replicate a database using the following config: <server>   <connection port="6136" max="100" />   <data path="$objectdb/db-files" />   <replication url="objectdb://localhost:6126/DEV1/NewMessagePipe.odb;user=admin;password=admin" /> </server> ... version but the old XML schema validation was integrated into build by mistake. Please try the fix (2.2.1_02). Because ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Visibility of changes in Transaction is not visible to a JPA QL Query

I have two simple Entities ( see attachment ) and a simple SLSB with container managed transactions which is called by a trivial servlet. Inside a UserTransaction I add a number of items then check to see that they have been added ... . The only complexity is that everything is structured into separate projects ( an EAR, The EJBs, the EJB interfaces, the JPA Model, ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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ObjectDB's Database Doctor Incorrect Error Report

Am I reading this correctly?  It seems that Doctor is telling me that one of my objects is missing.  Looking at the database with ObjectDB's Database Explorer though seems to show that the reference to the object is good and that the object does indeed exist.   Output from Doctor Diagnose and Doctor Repair is attached.  So are the two databases and screenshots of Explorer showing the reference to the object and the existence of the object. ... IO requests might get combined at the AWS driver level into a single "across the wire" access of a 256KB IO request.  Nice! ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

Great product - needs better marketing - more popularity

Hi, ObjectDB! While you have a very nice product, which I recommend everywhere I go, it is quite difficult to explain to my customers what is it and why we should use it, and things like that, because it's quite unknown.  It's a great product, therefore I'm building the 3rd product based on ObjectDB since the beginning of this year, but I think it would be much better if your db was more popular. ... and in banking). Unfortunately ODBMS did not get into the main stream yet and comparing to popular RDBMS (such as Oracle, SQL ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
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Objectdb server out of heap space

I have had a server crash with the following stack trace: ... reassuring for those of us who are trying to put your code into production use to know that we can deal with critical issues ourselves if ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
issue

JPA Composite Key make Object Db throws "Unexpected exception (Error 990)"

Hello Object Db community :) I am using this wonderful library and I caught a strange exception while testing the "composite key" feature in JPA. Let's see what I am doing : @Entity public class Book {     @EmbeddedId BookId id; } @Embeddable Class BookId {     Integer bookIdCountry;     ECountry country; } My BookId contains 2 attributes: One Integer and one enum. ... comes from the "enum" type which is not correctly taken into account by Object Db. When I replace EEnum type by an Integer, all is fine ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

Memory consumption of empty Strings

After doing some memory related research in my program, I found a possible place for an enhancement of objectdb: My program has several entities which contain many String. Often some of these String are empty (""). To avoid unnecessary memory consumption, the String within the entities are initialized like: String firstName = ""; ... advantages and disadvantages) Thanks for looking into this Kind regards Manuel Laggner ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

OutofMemory error with Object DB 2.0

Hi, I am getting the below OutOfMemoryError after I have migrated from objectdb 1.0 to 2.0 The application works with 256MB heap size with objectdb 1.0  But on 2.0 even with max heap size of 1024MB, I get this error. The application reads xml file of around 1GB and creates a new odb file and inserts 200 records at a time. ... to objectdb.com Our IT team is still looking into it.   edit ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...

 
forum_thread

Failed to read the value of field using reflection

I have recently encountered an issue with reading objects: ... to load and cast the loaded HashMap (as they are stored) into former, it throws that error. It also appears that after I fixed ... (e.g. for using a browser spell checker). To insert formatted lines (e.g. Java code , stack trace ) - ...