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27

500Mb ObjectDb database opening issue

application ASAP, please wait... Harman Alexander Golyshkin Below attached demo application & demo ... results are different? We tried Demo Application v2 on several PCs, but results the same! Harman Alexander Golyshkin Stack for Demo Application v2
19

Criteria Query results in a NoResultException instead of returning object

WHERE $1.name='demo' ObjectDB throws the exception: java.lang.RuntimeException: com.objectdb.o ... that is equivalent to the following JPQL query: SELECT $1 FROM IdentityObject $1 WHERE $1.name='demo ... = new ArrayList<Predicate>(); predicates.add(builder.equal(root.get("name"), "demo
16

Should derived fields of an EmbeddedId be manually maintained by app code?

method and this make the whole thing simpler to read. 3) If you run the test case a) With DEMO_MODE set ... Success b) With DEMO_MODE set to DemoMode.NO_EMBEDDED_MAINTENANCE I get an exception; Purged ... .embeddedCompoundKeysSimplified.EContainer.main(EContainer.java:76) c) With DEMO_MODE set to DemoMode.ALL_EMBEDDED_MAINTENANCE I
13

Speed of queries that return many objects

to a local folder in com.example.demo.db.Db.java class - Build using maven clean install -DskipTests - Start Spring Boot application in target folder: java -jar demo-0.0.1-SNAPSHOT.jar - Generate sample file
13

Slow performance on Mac

(build 25.131-b11, mixed mode) Running sample jar: - To generate data (write): java -jar demo-0.0.1-SNAPSHOT.jar write /path/to/file.odb - To read data (write): java -jar demo-0.0.1-SNAPSHOT.jar read
13

Find the error...JPA ENTITY HIBERNATE

Entities: package com.example.demo; import java.io.Serializable; import java.util.HashSet ... () { } } package com.example.demo; import java.util.Set; import javax.persistence.Column; import javax
9

Spring MVC Errors

for this is unclear. It could be checked if you provide a simple demo project that demonstrates it. Run
9

ODB tries to create log files inside its own jar on Win7

I sent a demo of an app I've been developing on Linux to some Windows 7 users, and they were unable to run it. The stack traces they sent me indicated that ODB was trying to create its log files inside objectdb.jar, which was inside the executable jar packaged by Eclipse. Here's the end
3

NetBeans/JPA Web Application Tutorial

This is the NetBeans version of the JPA Web App tutorial. It demonstrates how to create and run a database driven Java web application in NetBeans - using Tomcat 6 Apache Tomcat Server 6.0 (some modifications are needed for Tomcat 7.0), ObjectDB and JPA. The demo web application manages a basic
2

Weird issue with variable naming

though however as said, cannot replicate it in a demo, however here's my code I was trying to replicate ... well not sure if that makes the difference though I am doing that in the demo code as

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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