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Duplicate Entity class names causes Exception in Query

.MAX_VALUE) return -1;    int i = (int) l;    return i;   } catch (javax.persistence

Mismatch client-server protocol prefix

and see if it makes a difference (for diagnosis): <database> ... <processing cache="64mb" max-threads="1

impossible to drop a table with 50 million objects

when trying to execute in explorer (max heap size 1GByte) delete from LogEntry l it comes up with a Java heap error after 20 minutes of executing. How to empty such a table ? hgzwicker Hans-Georg Zwicker This may be because the transaction size is limited by the heap size. You can try deleting

Connecting to a remote objectdb server

port="6136" max="100" /> <data path="objectdb://db.mydomain.com/db" /> </server

Guessbook tutorial: Java EE 6 JPA Tutorial - Maven Project

I have a Max OSX Lion and am running Netbeans 7.2 with Glassfish 3.1.2. I download the tutorial and run it. The moment I type something in the sign in block and click add, I get the following error trace: (Does anyone know a fix?) WARNING: EJB5184:A system exception occurred during an invocation

Server connection management

? It would be useful to have configuration settings to control the connection pool (min/max connections

Optimistic lock failed

" /> <recovery enabled="false" sync="false" path="." max="100mb" /> <recording enabled

IN expression in a Criteria Query

value combination). Aggregate calculations (count, sum, avg, max, min) that are carried

javax.servlet.ServletException: Annotated methods must follow the JavaBeans naming convention. __odbHidden_getPropertyName

widthPxSideBarLeft = 250; @Min(150) @Max(400) public int getWidthPxSideBarLeft() { return widthPxSideBarLeft

cannot delete objects after crash (see issue 2283)

: <recovery enabled="true" sync="false" path="." max="128mb" /> In this mode, commit returns

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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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