Re: [mdr-users] Different instances of NBMDRepositoryImpl are not independant from each other - Feature or Bug?

You have to specify different storage file names for these two repositories:

args1.put(BtreeFactory.STORAGE_FILE_NAME, fileName1);
args2.put(BtreeFactory.STORAGE_FILE_NAME, fileName2);

Regards,
Martin

[email protected] wrote:

>
>
>Hi,
>
>when I have two instances of NBMDRepositoryImpl running within the same VM
>they seem to influence each other:
>
>First:
>
>_args = new HashMap();
>_args.put("storage",
>"org.netbeans.mdr.persistence.memoryimpl.StorageFactoryImpl");
>_args.put("STORAGE_ID", "first");
>MDRepository repository1 = new NBMDRepositoryImpl(_args));
>
>Second:
>
>_args = new HashMap();
>_args.put("storage",
>"org.netbeans.mdr.persistence.memoryimpl.StorageFactoryImpl");
>_args.put("STORAGE_ID", "second");
>MDRepository repository2 = new NBMDRepositoryImpl(_args));
>
>Then:
>
>repository1.createExtent("foo");
>repository2.createExtent("bar");
>
>Results in:
>
>[org.netbeans.mdr.Logger] INFORMATIONAL *********** Exception occurred
>************ at Thu Jun 16 18:55:11 CEST 2005
>org.netbeans.mdr.util.DebugException: Boot failed.
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.installPureMof(NBMDRepositoryImpl.java:1269)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.boot(NBMDRepositoryImpl.java:1236)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.initCheck(NBMDRepositoryImpl.java:669)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:402)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:273)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:261)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:250)
>
>
>and:
>
>org.netbeans.mdr.util.DebugException: Missing storage files or different
>storage version.
>      at
>org.netbeans.mdr.storagemodel.MdrStorage.initializeIndexes(MdrStorage.java:508)
>      at
>org.netbeans.mdr.storagemodel.MdrStorage.rollback(MdrStorage.java:555)
>      at
>org.netbeans.mdr.util.TransactionMutex.end(TransactionMutex.java:74)
>      at
>org.netbeans.mdr.util.MultipleReadersMutex.leave(MultipleReadersMutex.java:174)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.endTrans(NBMDRepositoryImpl.java:236)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.boot(NBMDRepositoryImpl.java:1242)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.initCheck(NBMDRepositoryImpl.java:669)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:402)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:273)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:261)
>      at
>org.netbeans.mdr.NBMDRepositoryImpl.createExtent(NBMDRepositoryImpl.java:250)
>
>
>It seems that this is also true for two MDRepositories with different
>storage types. Maybe the problem is located deeper?
>Is it a feature or a bug?
>It would be kind of maddening if two ore more MDRepositories in one VM were
>not possible to run ;)
>
>Greetings
>
>--
>René Freude
>
>DaimlerChrysler AG
>Research E/E and Information Technology /
>Software Technology, Methods and Tools (REI/SM)
>
>Email:     [email protected]
>
>  
>