db4o Developer Community

For a complete list of all issues that were completed throughout the last year since db4o 6.0, please use our Jira issue tracker.

Here is a filtered list that contains all closed issues that we consider to be most relevant from the user perspective:

Fixed in db4o 7.0

• COR-961 - Simplest Possible Ant Script on Instrumentation
• COR-958 - New ExtObjectContainer#activate(obj) without parameters that respects activation settings
• COR-953 - [TA] Make sure TA mode respects cascading() event cancellation
• COR-951 - Ensure correct Bloat handling of JDK5 class file format specifics
• COR-936 - TA/Java: Ensure Jars are accepted as instrumentation source
• COR-918 - Db4oAdmin doesn´t detects assemblies already instrumented.
• COR-900 - activateDepth(0) doesn't work in c/s mode
• COR-879 - JAVA: Improve mechanism to specify classes to be persisted/instrumented
• COR-838 - Factor out common Bloat bytecode abstraction library from NQ, TA, CLDC,...
• COR-829 - .NET: Support for multiple assemblies
• COR-827 - .NET: Change instrumentation from method to field access (self encapsulate field)
• COR-826 - Java: Change instrumentation from method to field access (self encapsulate field)
• COR-822 - TAStrategy: Break cascading when TA aware class is found
• COR-821 - TAStrategy: Implement configurations
• COR-820 - TAStrategy: Configuration API Design
• COR-816 - TACol: Java Map
• COR-815 - TACol: Java ArrayList
• COR-800 - NET: preserving debugging information
• COR-590 - Create a Db4oAdmin instrumentation step for Transparent Activation
• COR-588 - TA coverage of .net specific type system features

Fixed in db4o 6.4 and in db4o 7.0

• COR-943 - ObjectSetFacade#iterator() always returns the same iterator
• COR-934 - Timeouts on .NET C/S cause high CPU load
• COR-928 - ObjectContainer is closed on ObjectNotStorableException
• COR-923 - C/S client timeout event handler
• COR-905 - Configuration calls are not threadsafe
• COR-903 - CascadeToVectorTestCase.concDelete: java.lang.NegativeArraySizeException
• COR-902 - Class loading is broken for arrays in JDK1.6
• COR-898 - ClientObjectContainer#isAlive() hangs
• COR-892 - Simplify Typehandler4, remove read(MarshallerFamily) and delete all old reading code
• COR-887 - Freespace corruption on configured update depth and/or CascadeOnUpdate and/or Rollback
• COR-885 - Possible concurrency issue in C/S mode showing up in LocalTransaction#commit3Stream()
• COR-878 - Simplify Typehandler4, remove readQuery(), readSubCandidate()
• COR-873 - Simplify Typehandler4, remove classReflector(), getID(), linkLength()
• COR-872 - java packages should include the full version name (e.g.: db4o-java5-6.4.8.2078.zip, etc...)
• COR-871 - .net packages should include the full version name (e.g.: db4o-net2-6.4.8.2078.msi, db4o-net2-6.4.8.2078.zip)
• COR-870 - add svn.revision to Db4oVersion
• COR-869 - Typehandler updates for .NET structs
• COR-868 - Typehandler updates for .NET primitive types
• COR-867 - TypeHandler updates for arrays and multi-dimensional arrays
• COR-866 - Typehandler updates for String, Date and double
• COR-865 - TypeHandler updates for boolean, byte, char
• COR-859 - TypeHandler upgrade tests for short long float
• COR-856 - TypeHandler upgrade tests for int
• COR-855 - TypeHandler Version sets to replace MarshallerFamily
• COR-843 - Complete new TypeHandler reading for all Types
• COR-785 - Defragmenting a db generated with db4o 6.1.401.0 in db40 6.3.500 results in 'Db4objects.Db4o.Db4oIOException'
• COR-781 - FastCollections: New TypeHandler4 writing for .NET types
• COR-780 - FastCollections: New TypeHandler reading primitive types Java
• COR-775 - Defragmenting an encrypted DB produces unencrypted DB
• COR-773 - Add JavaReflectClass abstraction to reflector API to allow alternative implementations to JdkClass
• COR-772 - FastCollections: Simple TypeHandler4 writing for all types
• COR-762 - Critical Performance Loss with higher BlockSize
• COR-760 - No Native Query optimization for equals() comparisons on java.util.Date fields
• COR-758 - Database file size unusually big
• COR-755 - .NET: Proper handling of inheritance hierarchies
• COR-749 - Defragment does not correctly map String/Array addresses used in field index for inheritance hierarchies
• COR-746 - Java Enum 'ordinal' and 'name' properties stored as null
• COR-739 - Removing array-reference in schema evolution corrupts database
• COR-738 - NullPointerException while using Blobs in Client/Server mode
• COR-736 - Predicate doesn't work correctly if the parameter of match method is declared as Object.
• COR-735 - [SOLO] Db4objects.Db4o.Tests.CLI1.Aliases.TypeAliasesTestCase.TestTypeAlias
• COR-734 - [SOLO] Db4objects.Db4o.Tests.Common.Exceptions.ObjectCanActiviateExceptionTestCase.Test
• COR-725 - Query#descend() returns null when trying to descend into an untyped collection for which no persisted objects exist
• COR-717 - MClose should synchronize on global lock
• COR-714 - StackOverflowException Occured when soda query executed using IConstraint
• COR-710 - IndexOutOfBoundException triggered by ObjectSet#get() is not caught on the server
• COR-709 - Sharpen.Net.Socket.Socket(string hostName, int port) throws "SocketException" when hostname is localhost
• COR-694 - db4o doesn't open file in readonly mode when the database is configured as readonly.
• COR-691 - switchToFile() shared client failure
• COR-684 - Client/Server NullReferenceException in Query
• COR-674 - Integrate NQ optimization into OSGi build
• COR-664 - Multiple transactions for "In-process" mode
• COR-660 - Db4o doesn't close file handler after throwing file incompatible exception(Db4oException)
• COR-652 - TSerializable/Java should use configured reflector information instead of default classloader
• COR-651 - Get db4ounit jdk1.2 test suite to run green in OSGi environment
• COR-645 - OSGi bundle reflector
• COR-636 - Exception encountered when CallConstructors() is set to true in Client/Server mode
• COR-635 - BackupStressTestCase failed intermittently
• COR-633 - Extra objects are instantiated in a callConstructors(false) / testConstructors(false) setting
• COR-628 - BTreeFreespace: Debug all leaks
• COR-626 - Java NQ optimizer confusion about integer vs boolean return values
• COR-607 - deleting BLOB-files via Blob-interface
• COR-605 - Hashtable Iterator
• COR-601 - Many tests fail when blockSize is configured.
• COR-600 - Improve freespace discard algorithm
• COR-599 - ConfigurationItem support for augmenting the configuration before the ObjectContainer is open
• COR-595 - DotnetSupport configuration item that adds the required aliases to support reading a .net generated data file from java
• COR-591 - Extract Java bytecode instrumentation tool
• COR-585 - OSGi compatibility
• COR-584 - PersistentIntegerArrayTestCase fails in defrag mode
• COR-583 - Querying stored classes should be read only, but triggers static class metadata updates
• COR-582 - db4o embedded client thread doesn't exit until server socket timeout happens.
• COR-579 - ObjectSet only valid for single iteration.
• COR-577 - C/S connection leaves daemon thread hanging around
• COR-576 - Eclipse return 13 when running javatocsharp.core.application
• COR-574 - BTreeFreespace: Test migration run from RAM-based Index system
• COR-571 - BTreeFreespace: Solve Hen-egg problem with own slot
• COR-570 - BTreeFreespace: Get right-sized slot with next matching size
• COR-569 - BTreeFreespace: Free and merge slots
• COR-568 - BTreeFreespace: Create, Read and write BTreeFreeSpaceManager
• COR-566 - BTreeFreespace: Extract FreespaceManager Interface
• COR-565 - InvalidPasswordTestCase uses a fixed port
• COR-564 - JDK_1_4#unlockFile method should invoke FileLock#release by reflection.
• COR-563 - Setup cc Win
• COR-558 - TransientClone test fails in batched c/s mode
• COR-557 - NQ optimization will fail to recognize side effect assignments
• COR-555 - db4o test suite hangs when running in batched message mode.
• COR-553 - NQ optimization ignores unoptimizable method calls in combined constraints
• COR-552 - db4o tests fail on jre1.1.8
• COR-549 - NQ optimization ignores constraints on method-local variables
• COR-545 - 6.1 Callback discrepency problem
• COR-540 - NPE in CreateQueryResult using embedded client
• COR-539 - Array retrieved/read as null when a .Net database (a database created by .Net application) is read by a java application
• COR-535 - Provide a way for EventRegistry to be notified whenever listeners subscribe to specific events
• COR-527 - Internal NullPointerException in embedded C/S mode
• COR-524 - Refactor C/S messaging
• COR-523 - Call committed() callback and test
• COR-522 - Send committed callback information to clients
• COR-521 - Send committed callback configuration from client to server
• COR-519 - Severe bug in CachedIOAdapter
• COR-518 - Refactor ObjectContainer constructor implementation
• COR-509 - Aliases are broken for identical cross-platform class names
• COR-506 - Add configuration item for accessing .net databases from java
• COR-496 - Enums with custom fields and constructors are not supported
• COR-493 - Activation errors during evaluation queries must bubble up
• COR-488 - update fails for a complex object graph
• COR-481 - (Double== null) is broken after upgrade from 5.2 -> 6.1
• COR-480 - (Long == null) is broken after upgrade from 5.2 -> 6.1
• COR-479 - (Short== null) is broken after upgrade from 5.2 -> 6.1
• COR-477 - (Float== null) is broken after upgrade from 5.2 -> 6.1
• COR-475 - (Integer == null) is broken after upgrade from 5.2 -> 6.1
• COR-466 - Flow graph lookup doesn't consider full method signature
• COR-457 - Close the database if db4o encounters an unexpected fatal error.
• COR-455 - Do not catch fatal Error's
• COR-453 - PartialObjectContainer.finalize is broken
• COR-452 - .net shutdown hook doesn't close multiple file
• COR-441 - Remove all unnecessary catch Throwable clauses in db4o core
• COR-437 - Client Server Commit should be synchronous
• COR-433 - Committed Callbacks
• COR-432 - Aliasing in 6.1 does not work.
• COR-431 - Concurrency test with LAZY query mode causes fatal exceptions
• COR-422 - Defragmentation Index Problem
• COR-415 - Change session handling, so Db4o.openFile() throws a DatabaseFilelockedException on a second call
• COR-414 - Order query doesn't work against jdk1.1 in c/s mode.
• COR-413 - SODA endsWith fails when the stored string length is less than string length in query search
• COR-411 - Thread file locking is broken for Java JDKs < 1.4
• COR-406 - Query throws NullPointerException if database is in read-only mode
• COR-397 - Custom Marshaller without using reflection
• COR-387 - SODA-Queries won't work after migration from Version 5.5.1.0 to 6.0.101
• COR-383 - OutOfMemory on Defrag
• COR-382 - Memory consumption increase in 6.0
• COR-376 - reflector.forObject(ob); returns GenericClass for a GenericArray object
• COR-375 - Server threads are not stopped when you close the ObjectServer
• COR-374 - Make class index configurable
• COR-373 - String index corruption if ObjectContainer#set is called twice on the same object under some circumstances
• COR-371 - Pushed Updates
• COR-353 - Database file loses identity (Db4oDatabase)
• COR-346 - Commit Time Callbacks
• COR-343 - Batch until commit
• COR-340 - NullPointerException during defragmentation
• COR-338 - Defragmenting 5.5db with db4o-6.0(JAVA) produce ---ArrayIndexOutOfBoundsException
• COR-336 - Object Delete bugs in db4o-6.0
• COR-333 - Transient interface (instanceof TransientClass)
• COR-328 - '.GetObjectInfo(obj).GetUUID()-calls' returns null
• COR-316 - db40 6.0.101 Java Collection(List) bug
• COR-314 - ClassCastException arised in SODA Query
• COR-312 - Incorrect migration of null values 5.2 -> 6.0
• COR-303 - db4o has bug when deleting objects with circular references.
• COR-280 - Indexes not working with multiple-level queries
• COR-266 - oc.set(GenericObject) should add GenericClass if it doesn't exist and save the GenericObject
• COR-234 - Propogate old database file format exception up
• COR-231 - Non-static configuration
• COR-208 - Class aliases do not work with inheritance hierarchies
• COR-203 - Database files grow although rollback is called
• COR-195 - Filters on indexed fields do not return correct result
• COR-178 - constraints for unique fields
• COR-101 - NQ optimizer class path/loader must be configurable from the outside
• COR-74 - Rename db4o core classes
• COR-57 - Turning on Indices in Inheritance delivers different Query-Results
• COR-54 - No security check if database file sizes exceed the maximum size possible
• COR-52 - C/S startup fails for db4ojdk5 if global activation depth set to 0
• COR-27 - objects which have been rollback() still consume space in yap file
• COR-19 - Configuration#reserverStorageSpace() gives OutOfMemory
• COR-6 - NQ samples (like LINQ samples)