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There seems to be an issue with one of the last revisions regarding the weight of edges.

After I import a graph and validate the import report I get the following exception:

java.lang.NullPointerException
at org.gephi.graph.dhns.edge.EdgeDataImpl.getWeight(EdgeDataImpl.java:207)
at org.gephi.graph.dhns.edge.AbstractEdge.getWeight(AbstractEdge.java:71)
at org.gephi.visualization.bridge.DHNSDataBridge.updateEdges(DHNSDataBridge.java:191)
at org.gephi.visualization.bridge.DHNSDataBridge.updateWorld(DHNSDataBridge.java:126)
at org.gephi.visualization.opengl.compatibility.CompatibilityEngine.updateWorld(CompatibilityEngine.java:181)
at org.gephi.visualization.opengl.compatibility.CompatibilityScheduler.updateWorld(CompatibilityScheduler.java:285)
[catch] at org.gephi.visualization.scheduler.SimpleFPSAnimator.run(SimpleFPSAnimator.java:58)

Hi Paul-Antoine,

My mistake...it's fixed now. Thank you for reporting.

Ok so let's move to the next one

A NullPointerException is thrown when nodes have to be removed from the graph (manually or using a filter).

https://bugs.launchpad.net/gephi/+bug/607136