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Gephi forumsPlease post new questions on facebook group too (https://www.facebook.com/groups/gephi) 2010-09-24T11:05:16+01:00 https://forum-gephi.org/app.php/feed/topic/548 2010-09-24T11:05:16+01:002010-09-24T11:05:16+01:00 https://forum-gephi.org/viewtopic.php?t=548&p=1614#p1614 <![CDATA[Re: Local Whole Import of Neo4j Graph]]>
Maybe there is a lock file in the database directory which you can remove, but this is just a guess.

Statistics:Posted by Payne — 24 Sep 2010 11:05

]]> 2010-09-24T00:36:40+01:002010-09-24T00:36:40+01:00 https://forum-gephi.org/viewtopic.php?t=548&p=1613#p1613 <![CDATA[Local Whole Import of Neo4j Graph]]>
Today I populated a neo4j DB and attempted a local whole import of that DB into Gephi. I got the following nested exception. Any thoughts on what this might imply and how to get around it?

Cheers, Chris

java.nio.channels.OverlappingFileLockException
at sun.nio.ch.FileChannelImpl$SharedFileLockTable.checkList(FileChannelImpl.java:1176)
at sun.nio.ch.FileChannelImpl$SharedFileLockTable.add(FileChannelImpl.java:1078)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:878)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at org.neo4j.kernel.impl.nioneo.store.CommonAbstractStore.checkStorage(CommonAbstractStore.java:235)
at org.neo4j.kernel.impl.nioneo.store.CommonAbstractStore.<init>(CommonAbstractStore.java:150)
at org.neo4j.kernel.impl.nioneo.store.AbstractStore.<init>(AbstractStore.java:103)
at org.neo4j.kernel.impl.nioneo.store.NeoStore.<init>(NeoStore.java:53)
at org.neo4j.kernel.impl.nioneo.xa.NeoStoreXaDataSource.<init>(NeoStoreXaDataSource.java:125)
Caused: java.lang.reflect.InvocationTargetException
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at org.neo4j.kernel.impl.transaction.XaDataSourceManager.create(XaDataSourceManager.java:72)
at org.neo4j.kernel.impl.transaction.TxModule.registerDataSource(TxModule.java:147)
Caused: org.neo4j.graphdb.TransactionFailureException: Could not create data source [nioneodb], see nested exception for cause of error
at org.neo4j.kernel.impl.transaction.TxModule.registerDataSource(TxModule.java:153)
at org.neo4j.kernel.GraphDbInstance.start(GraphDbInstance.java:134)
at org.neo4j.kernel.EmbeddedGraphDbImpl.<init>(EmbeddedGraphDbImpl.java:98)
at org.neo4j.kernel.EmbeddedGraphDatabase.<init>(EmbeddedGraphDatabase.java:79)
at org.neo4j.kernel.EmbeddedGraphDatabase.<init>(EmbeddedGraphDatabase.java:63)
at org.gephi.desktop.neo4j.ui.util.Neo4jUtils.localDatabase(Neo4jUtils.java:22)
at org.gephi.desktop.neo4j.Neo4jMenuAction$2.actionPerformed(Neo4jMenuAction.java:126)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2028)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2351)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:387)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:242)
at javax.swing.AbstractButton.doClick(AbstractButton.java:389)
at com.apple.laf.ScreenMenuItem.actionPerformed(ScreenMenuItem.java:95)
at java.awt.MenuItem.processActionEvent(MenuItem.java:627)
at java.awt.MenuItem.processEvent(MenuItem.java:586)
at java.awt.MenuComponent.dispatchEventImpl(MenuComponent.java:317)
at java.awt.MenuComponent.dispatchEvent(MenuComponent.java:305)
[catch] at java.awt.EventQueue.dispatchEvent(EventQueue.java:638)
at org.netbeans.core.TimableEventQueue.dispatchEvent(TimableEventQueue.java:137)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:296)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:211)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:196)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:188)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:122)

Statistics:Posted by cpdiehl — 24 Sep 2010 00:36

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