18 | How to disable use of graphic windows by objectDB.main(Server.java:66) Caused by: java.net.UnknownHostException: GhostRider: Name or service not known ... .run(Server.java:107) at com.objectdb.Server.main(Server.java:66) Caused by: java.net ... (Server.java:66) Caused by: java.net.UnknownHostException: GhostRider: Name or service not known at java |
18 | Update is ignored by ObjectDB following direct modification of fields is supported by ObjectDB if any of the following conditions applies ... practice (and actually required by JPA but not enforced by ObjectDB) to avoid accessing persistent ... should be used (e.g. by using the get and set methods). If you follow this practice only user defined |
18 | order by string with numbers The sql that works is ORDER BY CAST(SUBSTR(username FROM 4) AS UNSIGNED) ASC Using JPQL SELECT u FROM Users u ORDER BY SUBSTRING(u.username,4)*1 ASC If you have other alternative for JPA ... It seems that this is not supported by JPA criteria queries. If you need a solution only for ObjectDB (but a solution |
18 | how to query by properties of onetomany relations? (Error 990)) Generated by Java HotSpot(TM) 64-Bit Server VM 1.6.0_23 (on Windows 7 6.1). Please report this error ... Ernst Sorry about the error message - it should be replaced by a more descriptive error message in ... using standard JPQL by setting the following query hint: em.setProperty("objectdb.query-language |
18 | Master database switching to read-only mode, possibly caused by slave failure, slave became unresponsive and the master switched to read-only mode. By the look of it the slave ... .java:240) .............................................................. Caused by: com.objectdb.o ... : [2012-04-04 19:25:59 #4 store] Database '/opt/objectdb/db/$replication/contextspace.odb' is closed by |
17 | UserException: Package com.example.model is not found by the enhancer get the exception: com.objectdb.o.UserException: Package com.example.model is not found by ... Ashton Hogan It may be a class loader conflict, i.e. the Enhancer and your classes are loaded by different class loaders and the Enhancer do not have access to the classes. Enhancing by invoking |
17 | Group by date / timeHi, I'm trying to create reporting query that will return entities grouped by year / mont / day ... stats WHERE YEAR(record_date) = 2009 GROUP BY YEAR(record_date), MONTH(record_date) or maybe something like this: SELECT COUNT(id) FROM stats WHERE YEAR(record_date) = 2009 GROUP BY DATE |
17 | Need help to analyse very high memory usage by objectdb (PRU, SEV, VAL[]) exceeded" exception. Nearly 90% of the memory are taken by com.objectdb.o.PRU (49%) com.objectdb.o.SEV ... /domain/objectdb.com Forum Thread Need help to analyse very high memory usage by objectdb objects (PRU, SEV, VAL[]) has been created. btc_es BTC EmbeddedSystems This may be caused by large insert |
3 | Alias not used in ORDER BY(builder.asc(upperPath)) I would have expected the alias to be used in the ORDER BY clause, something like SELECT $1, UPPER($1.someStringProperty) AS TEST FROM T ORDER BY TEST However what I actually get as query string is SELECT $1, UPPER($1.someStringProperty) AS TEST FROM T ORDER BY UPPER($1 |
3 | JPQL support for mapped by (inverse) collections, SIZE, MEMBER OF, IN) are currently not supported for mapped by (inverse) collections. These operations are supported for direct (not mapped by) collections. Navigation and JOIN is supported for both direct and mapped by collections. The following test case demonstrates a problematic query |
