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forum_thread

How to track memory leak with ObjectDb.

Hello, I suspect some memory leak in my application. ( turning app into OOM very fast ) In fact, some com.objectdb.o.MST objects are retaining a huge % of my heap space. While watching the dump file ( with Eclipse MAT ), i was not able to inspect carrefully the memory leak issue. That's is very hard to debug because of obfuscated objectdb code. Well, objectdb is closed source, ok so ... but, in production case, how can a developper do his debug job correctly with your obfuscated code ? ... mode or client-server mode? Can you post the path from com.objectdb.o.MST to your objects? ...

 
forum_thread

TYPE Expression

Hi there! Trying to add a simple type expression with the criteria api like in your sample: cb.notEqual(e.type(), cb.literal(Country.class)); results in the error: Caused by: com.objectdb.o.UserException: Attempt to store an instance of a non persistable type java.lang.Class at com.objectdb.o.MSG.d(MSG.java:61) at com.objectdb.o.TYW.writeElement(TYW.java:223) at com.objectdb.o.QRR.l(QRR.java:424) at com.objectdb.o.QRR.g(QRR.java:230) at com.objectdb.o.QRR.b(QRR.java:151) ... named "com.test.MyEntity", it is not the complete package path but the exact name of the entity. Alex ...

 
release

2.1.0

... mode. Fixed a bug in setting log directory path (missing URL decoding). Fixed a bug in automatic byte code ...

 
forum_thread

AttachNotSupportedException

Good morning, OS: Windows Server 2008 R2 64 bit Java: Java Server JRE 8u121 for Windows x64 ObjectDB: version 2.6.9 build 5 Problem description: ObjectDB server will start and function normally (?) but an exception is logged: "java.lang.NoClassDefFoundError: com/sun/tools/attach/AttachNotSupportedException" (see attachment to this thread). ... at all. BTW: we included the path to \objectdb\bin in the CLASSPATH environment variable we ...

 
forum_thread

JPQL IN Operator

How can I use the standard JPQL IN operator with ObjectDB? This JPQL query works fine with EclipseLink / postgres but throws an exception in objectDB: select distinct dv.creationtime from DataValue dv where dv.capabilityId.capabilityId ==> in <== :capabilities and dv.creationtime >= :earliest and dv.creationtime <= :latest order by dv.creationtime ASC [ObjectDB 2.2.9] javax.persistence.PersistenceException Unexpected query token 'in' (error 752) #1 2011-09-08 14:54 How can I use the standard JPQL IN operator with ObjectDB? This JPQL query works fine with EclipseLink / ...

 
issue

Deleting archive log folder causes exception

Hello, we have observed strange behaviour when we delete odb archive log directory. We are running long term tests and during it we are deleting all logs that are not needed keeping the system running. When the "archive/" folder, where odb logs are archived, is deleted, the exceptions occur: ... (The system cannot find the path specified) at java.io.RandomAccessFile.open(Native Method) at ...

 
forum_thread

Eclipse - Maven - Dependencies not getting automatically reflected

I have installed Java 1.7 Eclipse Juno From Eclipse Market place have installed - Maven Integration for Eclipse WTP (a.k.a m2e-wtp), m2e-apt, Spring IDE, The Spring Tool Suite™ (STS) Have defined M2_HOME as directory where Maven is installed. PATH updated as %M2_HOME%/bin I am working on Windows XP. ... defined M2_HOME as directory where Maven is installed. PATH updated as %M2_HOME%/bin I am working on Windows XP. ...

 
forum_thread

A lot of ENT and SIV instances which are not cleared by GC

Hello. I have a JSF application (Glassfish 4, Java 8, ObjectDB 2.6.0). In some time the heap is getting 95% full with java.lang.OutOfMemoryError: GC overhead limit exceeded.  The first screenshot from VisualVM shows used heap during a 1000 requests stress test. The second shows that after this test there are many com.objectdb.o.ENT and com.objectdb.o.SIV instances. Why isn't it cleaned? I use simple EJB managers containing EntityManagers. On bean's PreDestroy and in servlet's i make entityManager.clear(); #1 2015-02-21 17:33 Hello. I have a JSF application (Glassfish 4, Java 8, ObjectDB 2.6.0). In some time the heap is getting 9 ...

 
forum_thread

FileNotFoundException

I'm sometimes getting this exception.  Is there a simple answer to why it's occurring?  (It could take some time to produce code that results in this exception reliably). ... has permissions to create directories and files at that path. ObjectDB Support ObjectDB - Fast Object ...

 
forum_thread

Drop the entire database, Change the schema

I am trying to port and example app to ObjectDb. As part of the tests I drop the database and reload it with the new schema automatically between test cycles. Is there a simple way to do this with ObjectDb, or is the only way to delete the database file everytime? Thanks ... any) using your code, e.g. new File ( path ) . delete ( ) ; However, this could be ...