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Failed to read DB file while online backup is running

BackupDatabaseTask extends UpdateTask { private static final long INTERVAL_TO_KEEP_BACKUPS = 2*60*60*1000l; public void performTask(Date date) {   long wholestart = D.profile("Starting BackupDatabaseTask
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First query takes 4+ minutes to complete

RecordingMetaData { private Long id;                // Primary key - annotated with @Id private Long version;           // Annotated with @Version : private Short channelNumber
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Foreign key constraint issue

    @GeneratedValue     private long id;     @ManyToOne(optional = false, cascade = {})     @JoinColumn(name ...     private long id;     @OneToMany(cascade = {CascadeType.MERGE, CascadeType.REMOVE}, mappedBy
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1

Indexing a field results in internal Exception

a test case as it's a large codebase, but I'll get started,   As for why JDO. I have long been a fan ... and just remove the ORM metadata when switching to ObjectDB. We have been very long-term supporters
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InternalException

automatic ids (when no id fields are defined) but then the type of the automatic id is always long. In this specific case the object has an id that is not long. I think that such an exception
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1

Internationalization

-language members where for example the long description would be even stored as a rather long HTML code
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1

Issue with cascade delete & add/remove

) {         int Address_1_Count = ((Long) em.createQuery(             "SELECT COUNT(a) FROM Address ... = ((Long) em.createQuery(             "SELECT COUNT(a) FROM Address a WHERE street = '2
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1

Java 6/7 Performance Comparison

may have missed while running under java 7. long start = System.currentTimeMillis ... "); EntityManager em = emf.createEntityManager(); long end = System.currentTimeMillis(); System.out.printf
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java.sql.Time field off by 30 minutes

= GenerationType.AUTO)         private long id;         String myname = "Roger";         java.sql.Time mytime ... (mytime1);         long time = mytime1.getTime();         System.out.println(time);         time
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1

JDO PersistenceManager.getSequence() returns null sometimes

(); Sequence seq2 = pm.getSequence("seq"); long next = seq2.nextValue ... " factory-class="java.lang.Long" strategy="contiguous" /> An additional minor