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How to Remove records from many to many relationship tables in JPA

<TransportationEvent> transportationEvents = new ArrayList<TransportationEvent>(); .... } here in database ... here my requirement is i need to delete records in both tables (TransportationEvent and Conclusion ... occurred in database "ECT", table "dbo.TransportationEvent_Conclusion", column 'conclusions_id' by

Possible issue for JPQL IN expression

Possible issue for JPQL IN expression with a set of more than one string literals values in the path expression. Error: Exception in thread "main" [ObjectDB 2.3.7_10] SELECT e FROM MyEntity e WHERE e.country IN ('US' ==> , <== 'SP', 'UK') javax.persistence.PersistenceException Unexpected query

ObjectDB Enhancer Tool in Java 9

location, which is not valid in a Java module environment. Example command: java -Dobjectdb.conf ... (Enhancer.java:32) Exception in thread "main" java.lang.ExceptionInInitializerError at com ... :32) Caused by: com.objectdb.o.UserException: Invalid configuration in 'internal' - Check permissions

removed objects stay with null field values in the reference

<ObjectNode>(); When we remove an object that is in this relationship (workflow), the object stays in ... from the set explicitly, in addition to deleting it. However, if the set is defined as mapped by ... of invalidated remaining sceleton is still in the database and loaded by a subsequent lazy loading

Failing to read entities under load in multithreaded tests

Hi, We are experiencing an issue in our application that only occurs under load - we sometimes fail ... that creates, reads and updates these entities in multithreaded application it sometimes fails to read them from the DB with "No matching results for a unique query" error. The error occurs in 2-3

@SequenceGenerator and single id in whole database

Hi, I have a question about @SequenceGenerator. I have separate @SequenceGenerator in each ... like in RDBM? lwalkowski Lukasz Walkowski You can use different generators for different entity ... values), and attaching these generators to @Id fields in different classes. Make sure you set

Entity with java.util.Date column gives ClassCastException in BIRT

it in ObjectDB 2.5.3_02. After creating an ObjectDB BIRT DataSource and a DataSet, entered a simple ... :348) ... 21 more I'd rather not use java.sql.Timestamp in my entity classes. Is this a bug in ObjectDB or BIRT or is there an error in my entity class? martijnvt Martijn van Tilburg A new version

Drop in Client/server mode not working

Hi, can't seem to get drop to work in c/s mode: version: objectdb-2.3.5_04 config: <extensions drop ... is connected to a c/s database then it is not dropped! I confirmed this with my code. In my view, this is a bug in the drop feature, as it's important to be able to have the explorer open during testing

Errors in log to repprt

We have since a while these entries in the log, please inform if this needs a repair (doctor ... . If you want to be sure you can run the Doctor in diagnosis mode first (possibly on a recent backup of the production database) and check if there are errors in the report. If you have any information

@Enumerated(EnumType.STRING) annotation inhibits proper execution of IN expressions.

) Queries using JPQL IN expressions on this field won't work correctly anymore. This issue has been described in forum post 1254 (JPA JPQL WHERE clause for IN :variable not working if variable ... you for this report. The bug can be easily repeated by changing the example in forum post #1254 to @Enumerated

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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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