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9

Database is erased after deploying a new web application version

Hello, I'm a new ObjectDB user and currently working on a Java web application that's running ... all permissions for it) but now there's a problem with accessing it: When running a new web application ... of EntityManagerFactory and EntityManager? As long as the web-app is running, I have no intention of closing
9

UTF Error

.x(SHN.java:157) at com.objectdb.o.HND.run(HND.java:134) ... 1 more buddhika75 M H B ... .strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:114) at org ... ) at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:549
9

Replication error on slave restart

I'm trying to enable replication on master server that was running with "recovery" enabled ... .objectdb.o.SHN.K(SHN.java:202) at com.objectdb.o.HND.run(HND.java:133) at java.lang.Thread.run(Unknown Source) And, maybe it is irrelevant to this topic, if I enable "recording" on slave
2

javax.persistence.PessimisticLockException

was produced by running the program: class MyClass { public static void main(String[] args ... " is caught. The above example was produced by running the program: public class Junk { public static
2

java.lang.Exception

was produced by running the program: class MyClass { public static void main(String[] args ... " is caught. The above example was produced by running the program: public class Junk { public
2

Query fails with failed to read

) org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544) our JAVA code ... .onFillable(AbstractWebSocketConnection.java:480) at org.eclipse.jetty.io.AbstractConnection$2.run ... (QueuedThreadPool.java:635) at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool
1

Best practise loading big data

you use enhanced classes in your test? You should always use enhanced classes. If not, running ... for that. So I repeated the test run after enhancing all classes. First observation: With not enhanced classes ... to be read. Again memory consumption increases over run-time when GC does not interfere. Then after 1.000
0

javax.jdo.JDOFatalException

) at MyClass.main(MyClass.java:3) This example was produced by running the program: class ... running the program: public class Junk { public static void main(String args[]) { try
0

javax.jdo.JDOUserException

(MyClass.java:6) at MyClass.main(MyClass.java:3) This example was produced by running ... was produced by running the program: public class Junk { public static void main(String args
0

printStackTrace()

) This example was produced by running the program: class MyClass { public static void main(String ... exception" is caught. The above example was produced by running the program: public class Junk

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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