About WHERE

forum_thread

Possible cause for "Enhancement of type ... is old and cannot be used"

We get the following log: ... is old and cannot be used ... Where BooleanValue is a generic, "deep" value-wrapper entity class. I ...

 
issue

Unexpected Exception during commit

I'm testing code that otherwise has been working with a clean database. I have seen several examples of the following exception. It never seems to happen in the same place twice, though. If you can give me a hint as to what would internally cause this, I'll try to reproduce it. Carl   ... access or alter even a single item. Is that true? In cases where I have a large number of entities that are not used as a collection, I ...

 
release

2.7.0

... NullPointerException when using AND TRUE in WHERE clause (issue #201). Fixed an exception when accessing an ...

 
release

2.7.1

... NullPointerException when using AND TRUE in WHERE clause (issue #201). Fixed an exception when accessing an ...

 
issue

ArrayIndexOutOfBoundsException on flush

The following exception was thrown when my app attempted to flush an objectdb database: ... and many problems in early versions of ObjectDB 2.x where related to managing large objects. Do you use update queries? ...

 
manual

[ODB1] Chapter 7 - JDOQL Queries

Explains how to use JDOQL, the Java/JDO Query Language.... and two collection methods ( contains and isEmpty , where isEmpty() also returns true when invoked on a null value). ...

 
release

2.6.9

... NullPointerException when using AND TRUE in WHERE clause (issue #201). Fixed an exception when accessing an ...

 
manual

[ODB1] Chapter 3 - Persistent Classes

Explains what a persistence capable class is and which types are supported by JDO.... test.X ) as well as entire packages (e.g. test.pc.* ), where elements are separated by commas. 3.4  InstanceCallbacks ...

 
forum_thread

Unable to convert 1.x odb file to 2.x

Hi, my company is just about to switch from ObjectDB 1.04.2487 (SE) to ObjectDB 2. So I downloaded the objectdb-2.5.5_02, activated it with our licence, enhancing went well, but then on converting 1 of the DB files I got this error: ... in a map I will solve via some migration to a structure where the value in the map will be a user defined class containing the array. ...

 
doc

java.lang.Throwable

The Throwable class is the superclass of all errors and exceptions in the Java language.(Class of java.langClass Throwable)