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6

Saving custom list which implements java.util.List fails

] javax.persistence.RollbackException Failed to commit transaction: Attempt to store an instance ... .EMImpl.commit(EMImpl.java:290) at tutorial.TestMyList.main(TestMyList.java:21) Caused by: javax ... .jpa.EMImpl.commit(EMImpl.java:287) ... 1 more I thought this would be possible, or am I doing
6

Possible issue with String fields

to commit transaction: String index out of range: 5 (error 613) at com.objectdb.jpa.EMImpl.commit ... .java:807) at com.objectdb.o.OBM.bG(OBM.java:722) at com.objectdb.jpa.EMImpl.commit(EMImpl.java
6

Performance and memory usage of queries

MyEntityElement();     myEntity.getList().add(myEntityElement);    }    em.getTransaction().commit ... .getTransaction().commit();   em.close();   emf.close(); } @Entity public static class MyEntity ...     em.getTransaction().commit(); On update ObjectDB prepares all the revised pages in memory before
6

On ensuring ID available after persist

is persisted (i.e. before commit). This may be useful when the primary key value is needed earlier. Hoping ... allocation to commit or flush - multiple IDs for multiple objects can be allocated together in ... commit to ObjectDB I can then adopt performance tuning strategies that suit it better, such as TABLE. webel Dr Darren Kelly
6

WebService : Failed to get reference value of field using enhanced method

: org.apache.axis2.AxisFault: Failed to commit transaction: Failed to get reference value of field field ... including nested exceptions: org.apache.axis2.AxisFault: Failed to commit transaction: Failed ... ().commit(); As attachment I uploaded a simple testcase, but you have to archive to .aar file
6

New to Product & Having An Issue

); em.getTransaction().commit(); }catch(Exception e){ e.printStackTrace ... (this.foundResult); em.getTransaction().commit(); }catch(Exception e){ e ... : departments) em.remove(d); em.getTransaction().commit
6

Attempt to remove a detached entity object (error 613)

to merge it ... Unfortunatly, i get this error : Failed to commit transaction: Attempt to remove a detached entity object (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:290) We see in this stack trace that is a commit operation, all right ... So why does it try to remove the object
6

Cannot save or update entity on Spring App

().begin(); em.persist(guest); em.getTransaction().commit(); em ... ().commit(); em.flush(); em.clear(); em.close(); return guest ... )); boolean que = q.executeUpdate() > 0; em.getTransaction().commit(); em.clear
6

Error 363 - Failed to read value of inverse relationship

.enterprise.transaction.JavaEETransactionImpl.commit(JavaEETransactionImpl.java:453) at com.sun.enterprise.transaction.JavaEETransactionManagerSimplified.commit(JavaEETransactionManagerSimplified.java:867 ... .persist(obj);             tr.commit();         } catch (Exception ex) {             ex
1

[ObjectDB 2.2.6_02] Unexpected exception (Error 990) at com.objectdb.o.OBC.aJ(OBC.java:961)

.getTransaction().commit(); } catch (Exception ex) { if (findMomentEntity(moment ... ); em.getTransaction().commit(); } catch (Exception ex ... .merge(chart); em.getTransaction().commit(); } catch (Exception ex

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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