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Activation Issue

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Attempt to execute a query using a closed EntityManager

Hi again! Suddenly, my app started to throw this exception. I would really appreciate some advices. com.objectdb.o.UserException - Attempt to execute a query using a closed EntityManager at com.objectdb.o.MSG.d(MSG.java:61) The doesn't make any sense. Scenario: 1. JSF page with create form
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auto-generated uuid fields

Hello, we're porting a JDO application to ObjectDB which uses uuid-hex generated values. However the page on generated values in your JPA tutorial only mentions numeric generated values, and when we try to use it the error message seems to imply that auto-generating strings isn't supported
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Can I Disable the Creation of the "log" Directory?

the objectdb.conf file. See this manual page regarding the location of the ObjectDB configuration
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Changing existing objects from Entity to Embedded

on this page: In ObjectDB 2.0 classes can be either persistence capable (entity classes) or embeddable
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Check for index existence ?

(that your application is using) and the information on this manual page. I've added the args
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collection of embedded objects

page in the ObjectDB manual for more details. FastModel
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config file for embedded database

side and the server side). It is explained on this manual page. dmoshal
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Connecting to a remote objectdb server

root directory. See this manual page.   I've tried your suggestion already. Isn't that objectdb
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Connection is closed Caused by: java.io.EOFException

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