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  • Major Bug: db4o calls constructor of object while persisting them

    I just found out through a thread dump that db4o 7.4 seems to be instantiating an object that i was persisting. This is a very major bug cause that the call to the object's constructor leads to a whole chain of calls which eventually deadlocks my program. In any case, db4o should not call the constructor cause that may in turn call other methods ...
    Posted to db4o User Forum (Forum) by pdeva on November 16, 2008
  • bug: .NET 2.0 Native Queries returns 0 objects at client using client/server architecture

    I used db4o client/server features and added objects at the server end and committed them. When I try to get those objects in a client program using Native Queries the IList<> always returns 0 objects. Using Query by example I get the desired result.I know my query is right because I tested it on the server program and it works but somehow ...
    Posted to db4o User Forum (Forum) by agentshark on July 28, 2008
  • Problem storing synchronized HashSet

    I'm having a problem storing and retrieving an object that contains a HashSet wrapped in a SynchronizedSet, e.g.: class MyClass {   private Set<UniqueID> ids = Collections.synchronizedSet(new HashSet<UniqueID>()); ... }  I can store this object and retrieve it and it will contain the UniqueIDs that I added to the ...
    Posted to db4o User Forum (Forum) by rdl1 on April 18, 2008
  • Re: Use of objectCanDelete() call in server.

    The Problem still exists, here is a simple TestCase: import com.db4o.*; import com.db4o.ext.*; import java.io.*; public class Test { long i; String s; public static void main(String[] args) throws IOException, InterruptedException { new File(''test.yap'').delete(); ObjectServer server = ...
    Posted to db4o User Forum (Forum) by Poison on July 28, 2007
  • why is there so many bugs in db4o?

    Hi, some notes to db4o developers: 1. your issue tracker is so messy that I do not know where to post these bug reports 2. db4o 6.3: after exception is thrown in ObjectCanUpdate callback method during WriteUpdate method call in ObjectReference class then the EndProcessing() method is not called and the status of object is ..ucked up  broken ...
    Posted to db4o User Forum (Forum) by vladooo on July 7, 2007
  • Attribute not stored when using a generic type

    I have a class with a generic attribute public class SimplePerson<V extends Comparable> implements Serializable, SimplePersonIf {   private static final long serialVersionUID = 1L;   private String name; private List<SimplePersonIf> friends; private V value; When I store an object, the attribute ''value'' is not ...
    Posted to db4o User Forum (Forum) by pfouquet on June 29, 2007
  • Set method busy with object composed with Enum and PointF

    Hi everybody, I'm new with DB4O.  With this code : client = Db4oFactory.OpenFile(''gestCom.yap''); Carriere car = new Carriere();                    car.Nom = ...
    Posted to db4o User Forum (Forum) by sisco211 on May 31, 2007
  • Object manager 6.1.401 screwing up Objects with Array fields.

    hi every one,     Thanks In advance,    I had array fields duplicated when querying Objects with array field type in Object manager 6.1.401. I use db4o version 6.1.501 which handles the Objects of same type well. I was having the stored fields of the class duplicated every time i reopen the data base file in this ...
    Posted to db4o User Forum (Forum) by Balaji_rw on May 19, 2007
  • Re: Object Deletion: Inexplicable problems

    Hello, I still got problems to get all the elements of Db4o aware collections deleted. I attached a very simple Test case. Hope this bug can be fixed. //File ListTest.javaimport com.db4o.Db4o;import com.db4o.ext.ExtObjectContainer;import junit.framework.TestCase;import java.io.File;import java.util.ArrayList;import java.util.Date;import ...
    Posted to db4o User Forum (Forum) by Poison on May 10, 2007
  • Re: StoredType NULL when the field is a primitive array

    Thanks Patrick, with the SVN version the test runs perfectly. However, if I open the database with OM then those primitive array stored fields will be duplicated but with their wrappers as type. The print of the test case will be:   Stored Class: ArrayTest$MyClass   * primitiveBooleanArray <[GenericClass ...
    Posted to db4o User Forum (Forum) by orthmann on January 19, 2007
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