Re: [mdr-users] java.io.IOException

Yes, could be - depending on how old your build was. We were making 
significant changes to the FileCache class and primary index.
Regards,
Martin

Jaroslav Drazan wrote:

> Hi,
> I downloaded the newest build (I had had some from the end of April) 
> and it seems it work correctly.
> Have you repaired this bug?
>
> Regards
> Jarda
>
>> Hello,
>> when I use our application with MDR for about 5 minut, following 
>> exception is thrown:
>>
>> java.io.IOException: Neplatný popisovač
>>     at java.io.RandomAccessFile.seek(Native Method)
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.FileCache.getPage(FileCache.java:484) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.FileCache.getPage(FileCache.java:391) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.PrimaryIndex$ValInfo.<init>(PrimaryIndex.java:58) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.PrimaryIndex.getIfExists(PrimaryIndex.java:90) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.getRecord(BtreeDatabase.java:967) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.getIfExists(BtreeDatabase.java:725) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.get(BtreeDatabase.java:746) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeMDRSource.getPage(BtreeMDRSource.java:68) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreeindex.Btree.getLocation(Btree.java:386) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey$BtreeListByKeyIterator.<init>(BtreeListByKey.java:140) 
>>
>>     at 
>> org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.listIterator(BtreeListByKey.java:101) 
>>
>>     at java.util.AbstractList.listIterator(AbstractList.java:349)
>>     at 
>> java.util.AbstractSequentialList.iterator(AbstractSequentialList.java:250) 
>>
>>     at java.util.AbstractCollection.contains(AbstractCollection.java:94)
>>     at 
>> org.netbeans.mdr.storagemodel.IndexImmutSet.contains(IndexImmutSet.java:81) 
>>
>>     at 
>> org.netbeans.mdr.handlers.IndexSetWrapper.contains(IndexSetWrapper.java:84) 
>>
>>     
>> It's cased by the this code (I use UML 1.4 repository with DI):
>> Collection clients = dependency.getClient();
>> Collection suppliers = dependency.getSupplier();
>>
>>  if((clients!= null && clients.contains(aChangedRefObject)) || 
>> (suppliers != null && suppliers.contains(aChangedRefObject))) ...
>>
>> aChangedRefObject can be instanceof ModelElement or DiagramElement.
>>
>> This Exception occurs in Windows as well as in Linux (we use Java 1.5 
>> and federative MDR BTree storage).
>>
>> Any idea what can be wrong?
>>
>> Best regards
>> Jarda
>> ____________________________________________________________
>> http://www.seznam.cz - e-mailovĂĄ schrĂĄnka 2000 MB
>
>
> ____________________________________________________________
> http://www.seznam.cz - e-mailovĂĄ schrĂĄnka 2000 MB