About time

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em.flush(); em.clear(); loosing data and not persisting managed objects

objects to database. Sometimes it does other times it doesn't. Here is my Entity. import javax ... it will take me a while to create test code that shows my environment. I'm not going to have much time to work ... it seems that the stack trace will not be sufficient in this case. If and when you have time to generate a test case
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Embedded & Activation & Scalation

time.. ?   Alex Multiple processes cannot write to the same ObjectDB database concurrently. Future ... (at compile time). This works well for existing ObjectDB OEM users. It will not work, however, if your object model is unknown at compile time, and in that case we should look for an alternative solution
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Entity factory - best practices

have all the credentials stored in an ObjectDB. Currently, each time user sends a request, I ... one every time. Out of curiosity, is my current method thread-safe? Can multiple entity managers exist at the same time? Creating multiple EntityManagerFactory instances is thread safe but inefficient
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Incremental online backup

to perform backups more often, several times a day, in order to always have a backup that's closer ... backup time and not necessarily be stuck with the last one. > The way this would work ... backup, allowing us to go back to a previous backup time and not necessarily be stuck with the last
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JDO PersistenceManager.getSequence() returns null sometimes

, and it will run to completion the first time but bomb out with NullPointerException the second time. Entity ... package; you can verify that it is being read at run-time by introducing an error such as an invalid
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Memory consumption of empty Strings

");     // used to have some time to create a heap dump     try {       Thread.sleep(15000);     }     catch ... ");     // used to have some time to create a heap dump     try {       Thread.sleep(15000 ... for this enhancement: When loading a large list of persons, the persons first names are many time
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NoSuchFieldError: __odbTracker on NetBeans 7.3 + JBoss 7.1.1

the project and then redeployment solve the problem. You may also try using build time enhancement ... and redeployment several times, but the exception is still there. I added a call to enhance directly into ... > Thank you for the update. Build time enhancement is always preferred when possible. galandor
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NullPointerException in __odbGetNumMember

.. the one that works at the first time but fails the second time and works third time again so I would doubt
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NullPointerException when using multithreading

at this time is just storing the integers.  Your model looks fine. Please provide a test ... the test application for your review.  Please advise. This time it seems that the problem is in ... !  ObjectDB is performing very well now that I have adjusted my executor and allowed for enough time
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ObjectDB enhancement fails on "is" form for @Transient boolean isLoaded(), ok for "getter" form @Transient boolean getLoaded()

javaagent run-time enhancement or post-compile enhancement, and on complete clean and build in ... ) I get at run-time this error (and for every subclass entity): INFO: [2014-11-23 16:54:03 #2 type ... ) { this.loaded = loaded; } I don't have time to offer an isolated test case, but I found