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[Axel Bruns <654030@xxxxxxxxxxxxxxxxxx>]

Thanks for that clarification - will see what I can do with GEXF.
Unfortunately converting from a CSV list of edges (with start and end
times) is not very straightforward... (Do you know of any tool that can
do this ?)

Thanks for setting up the new bug as well !

Axel

-- 
NullPointerException on importing CSV data in Data Laboratory
https://bugs.launchpad.net/bugs/654030
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Status in Gephi - Network exploration and manipulation: Fix Committed
Status in Gephi 0.7 series: Fix Committed

Bug description:


Graph API throws NPE because source or target is null

Stack trace:
java.lang.NullPointerException
	at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:128)
	at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:123)
	at org.gephi.graph.dhns.core.GraphFactoryImpl.newEdge(GraphFactoryImpl.java:47)
	at org.gephi.datalab.impl.GraphElementsControllerImpl.buildEdge(GraphElementsControllerImpl.java:431)
	at org.gephi.datalab.impl.GraphElementsControllerImpl.createEdge(GraphElementsControllerImpl.java:89)
	at org.gephi.datalab.impl.AttributeColumnsControllerImpl.importCSVToEdgesTable(AttributeColumnsControllerImpl.java:597)
	at org.gephi.datalab.plugin.manipulators.general.ui.ImportCSVUIWizardAction.performAction(ImportCSVUIWizardAction.java:85)
	at org.gephi.datalab.plugin.manipulators.general.ImportCSV.execute(ImportCSV.java:40)