gephi/gephi — Issue #492: Heatmap BellmanFord NullPointer Exception on Large Graph
Author: emeeks
Created: 2011-12-10 02:04:29+00:00
State: open

I have a large 47k node, 320k edge graph that is completely connected and directed that, when I try to run the Heatmap tool responds with the following exception:

java.lang.NullPointerException
at org.gephi.algorithms.shortestpath.AbstractShortestPathAlgorithm.relax(AbstractShortestPathAlgorithm.java:69)
at org.gephi.algorithms.shortestpath.BellmanFordShortestPathAlgorithm.compute(BellmanFordShortestPathAlgorithm.java:92)
[catch] at org.gephi.tools.plugin.HeatMap$1.clickNodes(HeatMap.java:124)
at org.gephi.desktop.tools.DesktopToolController$NodeClickEventHandler$1.handleEvent(DesktopToolController.java:263)
at org.gephi.visualization.events.StandardVizEventManager$VizEventTypeHandler.fireVizEvent(StandardVizEventManager.java:323)
at org.gephi.visualization.events.StandardVizEventManager$VizEventTypeHandler.access$000(StandardVizEventManager.java:250)
at org.gephi.visualization.events.StandardVizEventManager$VizEventTypeHandler$2.run(StandardVizEventManager.java:307)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:619)