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Tutorial
20

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
Forum
5

500Mb ObjectDb database opening issue

will prepare test application ASAP, please wait... Below attached demo application & demo presentation ... ? We could not understand why our and ObjectDb team results are different? We tried Demo Application v2 on several PCs, but results the same! Stack for Demo Application v2
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4

Criteria Query results in a NoResultException instead of returning object

WHERE $1.name='demo'   ObjectDB throws the exception: java.lang.RuntimeException: com.objectdb.o ... to the following JPQL query: SELECT $1 FROM IdentityObject $1 WHERE $1.name='demo' You have to use ... (); predicates.add(builder.equal(root.get("name"), "demo")); criteria
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3

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

simpler to read. 3) If you run the test case      a) With DEMO_MODE set to DemoMode.WORKS ... ) With DEMO_MODE set to DemoMode.NO_EMBEDDED_MAINTENANCE I get an exception; Purged DB [ObjectDB 2.3.0_01 ... (EContainer.java:76)       c) With DEMO_MODE set to DemoMode.ALL_EMBEDDED_MAINTENANCE I
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2

Find the error...JPA ENTITY HIBERNATE

.html       Entities:   package com.example.demo; import java.io.Serializable; import java.util ... () { } }         package com.example.demo; import java.util.Set; import javax.persistence
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2

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
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2

Speed of queries that return many objects

. Instructions: - Point 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
Issue
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 ... the difference though I am doing that in the demo code as well without success of replication
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2

Changes in detach behaviour?

have written a demo program to demonstrate the new behaviour. While writing it i found
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2

Deploy ObjectDB in WildFly 10

demo application. It was tested successfully on WildFly 10.1.0.Final. You may download it, import