 3 | As demonstrated in this forum thread, a mapped by collection field with lazy fetch mode is not initialized in results of a query that uses JOIN FETCH on that collection field (when enhancement is used). Build 2.4.1_06 fixes this issue (fields are now initialized and the test in the forum passes |
3 | directory a path to it has to be specified. Alternatively, you can run the Explorer by double clicking explorer.jar or by running explorer.exe (on Windows) or explorer.sh (on Unix/Linux, after editing ... . Recently used databases can also be opened using the File > Recent Connections command. By default |
3 | from 1.x to 2.x. To activate the index the database has to be rebuilt by running the Doctor in repair mode. After fixing the index in that database (by running the Doctor) the query runs fast. Thanks ... " Does it mean that, before conversion, i need to do the following steps 1. Update the package.jdo |
3 | when the master is unavailable. I simulate the master unavailable by stopping the master server ... .EMF.createEntityManager(EMF.java:253)
at tutorial.Main.main(Main.java:22)
Caused by: com.objectdb ... .objectdb.jpa.EMF.createEntityManager(EMF.java:250)
... 1 more
Caused by: java.net.ConnectException |
3 | -- set up a non optimized query (simple select) >>> our application step by step blows up (as ... was terminated by the timeout that we have set (200 seconds) ad 2: unfortunately we cannot step ... should be followed by an exception, do you have a stack trace of such an exception in the log? Did |
3 | of entity classes and to keep them simple as possible. Retrieval by Class and Primary Key Every entity object can be uniquely identified and retrieved by the combination of its class and its primary key ... except that if the entity object is not already managed by the EntityManager a hollow object |
3 | the terms and conditions for use, reproduction, and distribution as defined by Sections 1 through 9 of this document. "Licensor" shall mean the copyright owner or entity authorized by the copyright ... and all other entities that control, are controlled by, or are under common control with that entity |
3 | . The resize attribute specifies the size by which to extend the database file when additional space is needed. Small initial size and resize values save space. Larger values can improve performance by ... ="128mb" />
When enabled, a recovery file is created by ObjectDB when a database is opened |
3 | (Mapped By) fields Primary key (ID) fields Version field The first three groups (transient, persistent ... Fields Every non-static non-final entity field is persistent by default unless explicitly specified otherwise (e.g. by using the @Transient annotation). Storing an entity object in the database does not |
3 | the following steps: Stop old client application. Stop ObjectDB. Start ObjectDB. Start NEW client ... Thank you! The correct steps are: Stop old client application with the old schema. Stop ObjectDB server. Start ObjectDB server. Start new client application with the new schema. I followed these steps |
