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23

Attempt to open a non existing file '/tmp/objectdb_xxxx/SortQueryItr_6.mrg'

. EKK EKK Emmanuel Keskes ObjectDB deletes its temporary files in 2 ways: Every process deletes its own temporary files that become unreachable (tracked by using weak references). When a process starts it tries to delete temporary files of other processes that are not locked (active temporary files
23

EM close causes an exception

This stack trace indicates a missing temporary file that holds information about uncommitted flushed ... other users are expected. This mode is considered temporary. Version 3.x (currently in development ... and both are related to the temporary flush files, only #1 (exception during close) was fixed (hopefully
22

lockfiles in client/server mode

that try using the same directory for their temporary files. Changing the temporary directory path ... ). A better solution could be changing the permissions of the temporary directory (/tmp/ObjectDB) in ... that ObjectDB uses temporary files. support Support thank you for the quick reply! for the time being i
15

Unable to execute update query

reading a temporary file that is used in an update query, but the cause is unclear, and according to your report that specific temporary file exists. Can you reproduce the exception? Does it work ... and temporary files): import javax.persistence.*; import javax.persistence.Query; public class
13

Server closes if large query runs out of memory

allocation (and uses temporary files instead of RAM) when memory usage is high, but it is far from perfect ... setting. If you reduce the threshold then ObjectDB will use temporary files instead of RAM more often. Processing complex queries may require using many temporary lists, so unfortunately the value
13

Online Backup in client-server mode

you have two options for online backup: If your specify a File instance as the target parameter then a temporary ... when the client and the server are not on the same machine, and the temporary file is essential to minimize ... the path on the server machine to which to write the backup file and no temporary file
13

Exception when dataset bigger than treshold

creating a temporary file at /tmp/ObjectDB/789641482/BatchQueryItr_0.fls. Please check permissions. In ... . The only problem is with ODB when there is a need for temporary files. lwalkowski Lukasz Walkowski ... and temporary files are created correctly. Thanks for quick fix - as always :) lwalkowski Lukasz Walkowski
13

Maven host down?

Lukasz Walkowski I cannot see any problem now. Maybe it was a temporary problem. Could you please check ... several times and all links work. Maybe it was another temporary problem. support Support I confirm, m2 ... his) ziobombo Riccardo Casazza No problem is currently seen. Could you please check again now. It might have been a temporary networking issue. support Support
4

javax.persistence.spi.PersistenceUnitInfo

.createContainerEntityManagerFactory call. Returns: temporary ClassLoader with same visibility as
4

getNewTempClassLoader()

of the PersistenceProvider.createContainerEntityManagerFactory call. Returns: temporary ClassLoader with same visibility as current loader Since: JPA 1.0

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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