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org.netbeans.mdr.persistence.StoragePersistentDataException: Bad Magic Number 0 in header at offset 6,044 at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeExtent.readExtent (BtreeExtent.java:149) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDataFile.getExtent (BtreeDataFile.java:579) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDataFile.checkRecord (BtreeDataFile.java:1009) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDataFile.get (BtreeDataFile.java:282) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDataFile.get (BtreeDataFile.java:268) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.getRecord (BtreeDatabase.java:979) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.getIfExists (BtreeDatabase.java:731) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeDatabase.get (BtreeDatabase.java:752) at org.netbeans.mdr.persistence.btreeimpl.btreestorage.BtreeMDRSource.getPage (BtreeMDRSource.java:74) [catch] at org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreePage.getChild (BtreePage.java:777) at org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreePage.getLocation (BtreePage.java:607) at org.netbeans.mdr.persistence.btreeimpl.btreeindex.Btree.getLocation (Btree.java:393) at org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey$BtreeListByKey Iterator.<init>(BtreeListByKey.java:146) at org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.listIterator (BtreeListByKey.java:107) at org.netbeans.mdr.persistence.btreeimpl.btreeindex.BtreeListByKey.isEmpty (BtreeListByKey.java:65) at org.netbeans.mdr.storagemodel.IndexImmutSet.isEmpty (IndexImmutSet.java:95) at org.netbeans.mdr.handlers.IndexSetWrapper.isEmpty (IndexSetWrapper.java:117) at org.netbeans.modules.javacore.JMManager.resolveCPRoot (JMManager.java:1076) at org.netbeans.modules.javacore.JMManager.resolveCodebases (JMManager.java:871) at org.netbeans.modules.javacore.JMManager$2.run(JMManager.java:821) at org.openide.util.RequestProcessor$Task.run (RequestProcessor.java:499) at org.openide.util.RequestProcessor$Processor.run (RequestProcessor.java:932)
Created attachment 38156 [details] messeges.log
The MDR based model for replaced by javac based model in the NetBeans 6.0. In NB 5.5 you can delete the MDR caches to fix it. The MDR caches are located in the ${nbuserdir}/var/cache/mdrstorage
Reorganization of java component