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[Michael <fireang3l@xxxxxxxxxxx>]

I get the same symptoms in alpha 4 - here's the stack trace, which is
different than from the original report

java.lang.NullPointerException
	at org.gephi.visualization.opengl.compatibility.objects.Edge2dModel.isInOctreeLeaf(Edge2dModel.java:112)
	at org.gephi.visualization.opengl.octree.Octree.updateObjectsPosition(Octree.java:268)
	at org.gephi.visualization.opengl.compatibility.CompatibilityEngine.updateObjectsPosition(CompatibilityEngine.java:636)
	at org.gephi.visualization.opengl.compatibility.CompatibilityScheduler.updatePosition(CompatibilityScheduler.java:279)
[catch] at org.gephi.visualization.scheduler.SimpleFPSAnimator.run(SimpleFPSAnimator.java:58)


** Changed in: gephi
       Status: Fix Released => Confirmed

-- 
NullPointerException when filtering undirected graphs
https://bugs.launchpad.net/bugs/571153
You received this bug notification because you are a member of Gephi
Team, which is subscribed to 0.7.

Status in Gephi - Network exploration and manipulation: Confirmed
Status in Gephi 0.7 series: Fix Released

Bug description:
Way to reproduce:
1) Open a graph file, undirected
2) Create "Degree Range Filter" and enable filtering
3) Play with range slide
An exception is thrown sometimes, with higher probability is layout is active

Stack Trace:
java.lang.NullPointerException
	at org.gephi.graph.dhns.edge.AbstractEdge.getUndirected(AbstractEdge.java:92)
	at org.gephi.graph.dhns.edge.iterators.EdgeIterator.hasNext(EdgeIterator.java:59)
	at org.gephi.graph.dhns.graph.iterators.EdgeIteratorImpl.hasNext(EdgeIteratorImpl.java:44)
	at org.gephi.visualization.bridge.DHNSDataBridge.updateEdges(DHNSDataBridge.java:187)
	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:270)