Hi,<div>I have Kepler Dev from SVN building from Eclipse, and after running 'ant clean-cache' I see all of the actors.</div><div>THen, when I close Kepler and build/run it again, the actors are all gone and I get this error:</div>
<div><br></div><div><div>/home/cweed/code/kepler-build</div><div>Found OS Extension file: /home/cweed/code/kepler-build/apple-extensions/module-info/osextension.txt</div><div>Building Kars...</div><div>Ran additional initialization for module util from class org.kepler.module.util.Initialize</div>
<div>Kepler Initializing...</div><div>INFO  (org.kepler.gui.KeplerInitializer:initializeSystem:160) Making directory /home/cweed/.kepler/cache/</div><div>INFO  (org.kepler.gui.KeplerInitializer:initializeSystem:160) Making directory /home/cweed/.kepler/cache/cachedata/</div>
<div>INFO  (org.kepler.gui.KeplerInitializer:initializeSystem:160) Making directory /home/cweed/.kepler/cache/objects/</div><div>INFO  (org.kepler.gui.KeplerInitializer:initializeSystem:160) Making directory /home/cweed/.kepler/cache/RawData/</div>
<div>INFO  (org.kepler.objectmanager.library.LibraryManager:buildLibrary:616) Building Library...</div><div>INFO  (org.kepler.objectmanager.cache.LocalRepositoryManager:scanReposForKarFiles:245) Scanning Local Repositories for KAR files...</div>
<div>INFO  (org.kepler.kar.KARCacheManager:synchronizeKARCacheWithLocalRepositories:299) The Cache is in sync with KAR files in Local Repositories.</div><div>INFO  (org.kepler.objectmanager.library.SemanticTypeIndex:build:114) Found 0 Actors using 0 Semantic Types.</div>
<div>java.lang.NullPointerException</div><div>INFO  (org.kepler.objectmanager.library.LibraryIndex:build:131) Building Library Index...</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at org.kepler.objectmanager.cache.CacheManager.deserializeCacheObject(CacheManager.java:734)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.cache.CacheManager.getCacheObjectIterator(CacheManager.java:775)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at org.kepler.objectmanager.cache.CacheManager.getHighestRevisionCacheObjectIterator(CacheManager.java:678)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.library.SemanticTypeIndex.build(SemanticTypeIndex.java:94)</div><div><span class="Apple-tab-span" style="white-space:pre">       </span>at org.kepler.objectmanager.library.LibraryIndex.init(LibraryIndex.java:107)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.library.LibraryIndex.<init>(LibraryIndex.java:97)</div><div><span class="Apple-tab-span" style="white-space:pre">  </span>at org.kepler.objectmanager.library.LibraryManager.buildLibrary(LibraryManager.java:654)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.library.LibraryManager.initialize(LibraryManager.java:1036)</div><div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.moml.KARLibraryBuilder.buildLibrary(KARLibraryBuilder.java:75)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibrary.java:202)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorLibrary.java:140)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.vergil.VergilApplication._createDefaultConfiguration(VergilApplication.java:322)</div><div><span class="Apple-tab-span" style="white-space:pre">  </span>at ptolemy.vergil.VergilApplication._createEmptyConfiguration(VergilApplication.java:339)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.actor.gui.ConfigurationApplication._parseArgs(ConfigurationApplication.java:1116)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at ptolemy.vergil.VergilApplication._parseArgs(VergilApplication.java:469)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.actor.gui.ConfigurationApplication.<init>(ConfigurationApplication.java:226)</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>at ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java:81)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.vergil.VergilApplication.<init>(VergilApplication.java:104)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at ptolemy.vergil.VergilApplication$1.run(VergilApplication.java:211)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)</div><div><span class="Apple-tab-span" style="white-space:pre">     </span>at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)</div>
<div>org.kepler.objectmanager.cache.CacheException: Error creating CacheObjectInterface iterator. Try removing the ~/.kepler directory?: null</div><div><span class="Apple-tab-span" style="white-space:pre">       </span>at org.kepler.objectmanager.cache.CacheManager.getCacheObjectIterator(CacheManager.java:783)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.cache.CacheManager.getHighestRevisionCacheObjectIterator(CacheManager.java:678)</div><div><span class="Apple-tab-span" style="white-space:pre">  </span>at org.kepler.objectmanager.library.SemanticTypeIndex.build(SemanticTypeIndex.java:94)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.library.LibraryIndex.init(LibraryIndex.java:107)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at org.kepler.objectmanager.library.LibraryIndex.<init>(LibraryIndex.java:97)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.objectmanager.library.LibraryManager.buildLibrary(LibraryManager.java:654)</div><div><span class="Apple-tab-span" style="white-space:pre">     </span>at org.kepler.objectmanager.library.LibraryManager.initialize(LibraryManager.java:1036)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at org.kepler.moml.KARLibraryBuilder.buildLibrary(KARLibraryBuilder.java:75)</div><div><span class="Apple-tab-span" style="white-space:pre"> </span>at ptolemy.actor.gui.UserActorLibrary.openLibrary(UserActorLibrary.java:202)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.actor.gui.UserActorLibrary.openUserLibrary(UserActorLibrary.java:140)</div><div><span class="Apple-tab-span" style="white-space:pre">     </span>at ptolemy.vergil.VergilApplication._createDefaultConfiguration(VergilApplication.java:322)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.vergil.VergilApplication._createEmptyConfiguration(VergilApplication.java:339)</div><div><span class="Apple-tab-span" style="white-space:pre">    </span>at ptolemy.actor.gui.ConfigurationApplication._parseArgs(ConfigurationApplication.java:1116)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.vergil.VergilApplication._parseArgs(VergilApplication.java:469)</div><div><span class="Apple-tab-span" style="white-space:pre">   </span>at ptolemy.actor.gui.ConfigurationApplication.<init>(ConfigurationApplication.java:226)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.actor.gui.MoMLApplication.<init>(MoMLApplication.java:81)</div><div><span class="Apple-tab-span" style="white-space:pre">   </span>at ptolemy.vergil.VergilApplication.<init>(VergilApplication.java:104)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at ptolemy.vergil.VergilApplication$1.run(VergilApplication.java:211)</div><div><span class="Apple-tab-span" style="white-space:pre">        </span>at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:209)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventQueue.dispatchEvent(EventQueue.java:597)</div><div><span class="Apple-tab-span" style="white-space:pre">    </span>at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:269)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:184)</div><div><span class="Apple-tab-span" style="white-space:pre">    </span>at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:174)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:169)</div><div><span class="Apple-tab-span" style="white-space:pre">     </span>at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:161)</div>
<div><span class="Apple-tab-span" style="white-space:pre">      </span>at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)</div><div>INFO  (org.kepler.objectmanager.library.LibraryManager:generateActorLibrary:889) Generating Actor Library...</div>
<div>*** Attempting to get ResourceBundle for SVG defaults ***</div><div>*** svgRenderingMethod = SVG_BATIK_RENDERING ***</div><div>ModelDirectory: purging file:/home/cweed/code/kepler-build/common/target/eclipse/classes/ptolemy/configs/kepler/configuration.xml</div>
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