ObjectDB Database Search

"another" is null ... in the second one "another" is set. Now I want to query " select from A where another is null OR another.counter = 0 "  What I expected to get where the 2 entities I inserted before. But I always get just the entity A were "another" is not null . Could someone help

) throws PersistenceLayerException { MyClass myclass = null ; try{ Object objectid = pm ... (JDOException jdoe){ } return myclass; } objectid is coming back as null .  Does this problem ... is to search for an ID class, and if this fails a null is returned. You can check that operation

to J2EE. parent.getChildren() returns null . Here is a simple example: Bean: @Named("test ... (); entityManager.persist(child); if (child.getParent().getChildren() == null ) { child.getParent().setChildren(new ... of the array of the child entity, the array becomes null . public class ByteData { // ... id private byte

; protected void clearOriginalValue() {         originalValue = null ... .__odbTracker != null && signalvalueimpl.__odbTracker.beforeModifyMember(1)) { signalvalueimpl ... the instanceValue!         originalValue = null ;    

: Sometimes! only on our server! I get a NullPointer exception, because an element is null which is! not null ... () The getLabel() throws an NullPointer because the DataElement at index 0 is not yet present and thus null ... the elements are yet not loaded from the db and thus are null ? Otherwise a cannot explain

.createEntityManager(); EntityTransaction tr = em.getTransaction(); Request r = new Request(); r.setUsername( null ... the database with username= null . the target/ directory is wiped out by `mvn clean` so i am certain ... : Attempt to reuse an existing value ( null ) (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:279

Hi there. I'm new on this. trying to learn. I'm trying to make a value non nulleable. So, when I try to upload to the DB this field as null , it give me an error. I tried this, but it didn't work ... clear   Edit: Sorry. Solved. The code was working, the problem was that i'm savin an empty string "" (not null ) elnll002 Facundo Curti

 Bad - many null and 0 Values. Secound try: List resultList1 = em.createQuery("SELECT d  ... .       harald77 Harald The null and 0 values may be the result of lazy loading

.lastPosition IS NOT NULL returns no datasets. Is this a bug or am i missing something? mosi0815 Ralph ... send you a ticket with the DB. Try this query:  SELECT FROM Unit u where u.lastPosition IS NULL

Greetings, I was playing aroung with JPQL and have found that there is a problem with "is null " queries. When you use "is null " in where clause, query runs correctly, but results are incorrect. Let me show you an example: - entity @Entity public class EntityA {     @Id  

I have the following stack trace.  Is this a null ptr in our code or in the object db code? Failed to commit transaction:  (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:279 ... to persist (indirectly via cascading) an object with a null primary key. Build 2.4.4_17 may provide a better error message in this case. support Support

An user reported me this exception. I am not sure how to reproduce it, but maybe it can help you to solve it somehow.  Object DB 2.4.4_05, embedded The important part is: null com.objectdb.o ... ) cz.vity.freerapid.model.DownloadFile.getState(DownloadFile.java:181) (Some null message

Why can the field "contracts" be " null "? ---------- @Entity @Inheritance(strategy = InheritanceType. TABLE_PER_CLASS ) public class Person implements Serializable,Subject {     @Id @GeneratedValue     private long id;     @ManyToMany(fetch = FetchType. EAGER , cascade

.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.BYR.n(BYR.java:114

to null except the primary key. The same behavior is when we  delete with a query use entityManager

is null always. What can it be? I leave a snapshot in which it can be see clearly: http://i1134

Hello, I have an entity MyEntity with a collection attribute myCollection. I have an EntityListener on MyEntity with a @PostUpdate method. When I try to access myCollection from the PostUpdate method, this collection is null . If I try to access the collection from the PreUpdate method

We are testing objectDB with a multi thread application. Each thread has it's own entityManager created from a common factory. In one thread we receive sometimes an object from the database with the field that is declared as @Id having the value null (what is not correct, we checked

we have the critical problem that we receive a null or by zero (in the log a java.lang.ArithmeticException) error for this query: select o from ObjectNode o where o.currentLocation.nodePath = "/(MG)TOOLPOOL-DMC-125U4/(MP)IN" and o.classIdentifier = '(TP)' database can be download from

Objectdb ignores not null annotations

;   hgzwicker Hans-Georg Zwicker More information is needed about this NULL reference ... such null references do you have? Do you have any idea what operation could be related to these specific actions that made them NULL ? support Support Is there new information regarding this null

to it. If nothing has yet been persisted, or if the odb file is not newly created, getSequence() returns null . Code ... = pm.getSequence("seq"); // per JDO spec, it should be testcase.seq if (seq1 == null ) System.out.println("getSequence 1 returned null "); // it should never be null pm.currentTransaction().begin

"is not null "-queries are not working correctly for indexed fields. Following SSCCE creates 1000 entities. A null value is assigned to an indexed field for every second entity. When doing count-queries at the end, wrong results are fetched. import java.io.Serializable; import javax.jdo.annotations

.NullPointerException: null java.lang.NullPointerException at com.objectdb.o.VAR.S(VAR.java:297 ... .createQuery(q);     List reportDownloadObjects = null ;     try

: Cannot invoke "com.objectdb.o.RFV.S()" because " " is null java.lang.NullPointerException: Cannot invoke "com.objectdb.o.RFV.S()" because " " is null at com.objectdb.o.PLN.ZG(PLN.java:564) at com.objectdb.o

Persistence (JPA) 3.2 String getAlias () Return the alias assigned to the tuple element or null ... is not null . Inherited from Expression Returns: predicate testing whether the expression is not null ... whether the expression is null . Inherited from Expression Returns: predicate testing whether the expression is null

to the tuple element or null , if no alias has been assigned. Inherited from TupleElement Returns: alias ... isNotNull () Create a predicate to test whether the expression is not null . Inherited from Expression Returns: predicate testing whether the expression is not null . Since: Jakarta Persistence (JPA) 1.0

() Return the alias assigned to the tuple element or null , if no alias has been assigned. Inherited from ... (JPA) 1.0 Predicate isNotNull () Create a predicate to test whether the expression is not null . Inherited from Expression Returns: predicate testing whether the expression is not null . Since: Jakarta

getAlias () Return the alias assigned to the tuple element or null , if no alias has been assigned ... is not null . Returns: predicate testing whether the expression is not null . Since: Jakarta Persistence (JPA) 1.0 Predicate isNull () Create a predicate to test whether the expression is null . Returns

to the tuple element or null , if no alias has been assigned. Inherited from TupleElement Returns ... whether the expression is not null . Inherited from Expression Returns: predicate testing whether the expression is not null . Since: Jakarta Persistence (JPA) 1.0 Predicate isNull () Create a predicate to test

() Get the current lock mode for the query. Returns null if a lock mode has not been set on the query ... with the query. Overrides Query.getResultList Returns: a list of the results or null is the next item is not ... .getSingleResult Returns: the result or null if the next item is not a result set. Throws

/database/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb

Using version 2.7.4_01, we did a repair. After repair a former link to a missing reference was converted to null . This cannot be deleted using explorer   hgzwicker Hans-Georg Zwicker Thank you for this report. Build 2.7.4_02 fixes the issue. support Support

());   Expected Result,   account.getProjects() is not null and should contain a project  

: null java.lang.NullPointerException at com.objectdb.jpa.type.IdentifiableTypeImpl.initAttributes

%" and objectsInCharge.nodePath like "%MARAS%" both result in: Query Execution Error ===================== null Query

must not be null .         at javax.jdo.identity.SingleFieldIdentity

.ArrayIndexOutOfBoundsException: null java.lang.ArrayIndexOutOfBoundsException at java.lang.System.arraycopy(Native

/issue/new com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o

.ArrayIndexOutOfBoundsException: null java.lang.ArrayIndexOutOfBoundsException at java.lang.System.arraycopy(Native Method

The query SELECT COUNT(t) FROM TrackerUser t WHERE NOT t.username = :username with :username - "admin" leads to the following exception: com.objectdb.o.InternalException: null com.objectdb.o.InternalException at com.objectdb.o.InternalException.f(InternalException.java:236) at com.objectdb.o.WSP.h

. Since: Jakarta Persistence (JPA) 1.0 Nulls getNullPrecedence () Return the precedence of null values. Returns: the precedence of null values . Since: Jakarta Persistence (JPA) 3.2 boolean isAscending

lock mode for the query. Returns null if a lock mode has not been set on the query object. Inherited ... .getSingleResultOrNull Returns: the result, of type X , or null if there is no result. Throws ... .setTimeout Parameters: timeout - the timeout, in milliseconds, or null to indicate no timeout Returns

getGroupRestriction () Return the predicate that corresponds to the restriction(s) over the grouping items, or null ... () Return the predicate that corresponds to the where clause restriction(s), or null if no restrictions ... of the query, or null if no selection has been set. Returns: selection item. Since: Jakarta Persistence

, or null if no restrictions have been specified. Inherited from AbstractQuery Returns: having clause ... getRestriction () Return the predicate that corresponds to the where clause restriction(s), or null ... Persistence (JPA) 1.0 Selection getSelection () Return the selection of the query, or null

() Get the current lock mode for the query. Returns null if a lock mode has not been set on the query ... () Execute a SELECT query that returns a single untyped result. Returns: the result, or null ... .query.timeout . Parameters: timeout - the timeout, in milliseconds, or null to indicate no timeout

until after the database insert has occurred. Returns null if the entity does not yet have an id. Parameters: entity ... until after the database insert has occurred. Returns null if the entity does not yet have an id. Parameters: entity

optional (Optional) Whether the association is optional. If set to false then a non- null relationship ... is not null . Default: true Since: Jakarta Persistence (JPA) 1.0 Additional JDK methods inherited from

a new EntityNotFoundException exception with null as its detail message. Since: Jakarta Persistence ... exception with null as its detail message. Since: Jakarta Persistence (JPA) 1.0 EntityNotFoundException

. Since: Jakarta Persistence (JPA) 1.0 boolean isOptional () Can the attribute be null ? Returns: boolean indicating whether the attribute can be null . See Also: jakarta.persistence.Basic::optional