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8

Password Protect Database File

Is there a way to encrypt the odb file so that if hackers somehow steal it they cannot access the data without some kind of password? I would imagine accessing the database from java could just have another connection parameter while accessing from explorer.jar/exe would need to prompt the user
8

EM close causes an exception

and locking in Linux, if parallel processes access different files in the same directory. We had to change the implemention so that it works also in Linux. Do you need a hint how we solved the access ... . But we still get the following exception, if parallel threads access the db: java.lang.RuntimeException: Failed
8

Unable to persist fields in subclass

.property.StringProperty; import javax.persistence.Access; import javax.persistence.AccessType; import javax.persistence.MappedSuperclass; /** * @author david * */ @MappedSuperclass @Access ... javax.persistence.Access; import javax.persistence.AccessType; import javax.persistence.Entity
8

multiple connection using share folder

my application in share folder and access the application from other system in that time my objectdb database shows database is used in other process . so i want to know how i can access my single objectdb ... access from multiple processes. support Support ok i got it but can you plz send me one example or share
7

Missing Data on Retrieval (0, null values)

may be the result of lazy loading. If you see them in the debugger before accessing the result object then this is normal. If you access objects by reflection (and not by invoking property methods or accessing the fields directly) then you must make sure that data is fetched from the database before
7

Possible issue with LAZY Loading

whether the test I've created is just causing it to be loaded because I accessed it. pedwards Paul Edwards ... to the application. The additional data is accessible if entity objects are managed by an open ... , and then try and access them, they all return happily. pedwards Paul Edwards LAZY (unlike EAGER
7

How to have a distribuited GWT application with ObjectDB and Spring?

A needs to access the remote database in hosts of point B or Point C. As database we use Objectdb ... and application. I've learnt that with Spring it's possible to create REST services to access the other remote ... , which would be accessed from all the hosts, rather than a separate database for every host. support Support
7

ObectDb 2.3.6 in OSGi environment

included com.objectDb as required bundle, and the simple access to the db: @Override public <T ... .ParentRunner.access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner ... .access$000(ParentRunner.java:50) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222
1

Unexpected error when loading all entity instance

number, etc? Do you have recovery enabled? Is there a chance that the database file is accessed ... process multi-threaded access), one database only, running inside a xen vm (Intel Core i7, 8GB RAM ... chance that the database file is somehow accessed concurrently by two instances of ObjectDB (e.g
1

[ObjectDB 2.5.5_03] Unexpected exception (Error 990)

null. Accessing fields through a null expression is very different from comparison and arithmetic ... spec. I think that accessing a value field using a NULL reference is evaluated to either NULL or UNKNOWN, Accessing an entity is a different story because it implicitly defines an INNER JOIN, i.e

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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