🎉Community Raffle - Win $25

An exclusive raffle opportunity for active members like you! Complete your profile, answer questions and get your first accepted badge to enter the raffle.
Join and Win

I am getting - Error executing background job 'Creating Display' java.lang.NullPointerException

User: "mitulsj"
New Altair Community Member
Updated by Jocelyn
Following are the other details of the error.
  • Exception: java.lang.NullPointerException
  • Message: null
  • Stack trace:
  • edu.uci.ics.jung.algorithms.layout.ISOMLayout.adjustVertex(ISOMLayout.java:176)
  • edu.uci.ics.jung.algorithms.layout.ISOMLayout.adjust(ISOMLayout.java:139)
  • edu.uci.ics.jung.algorithms.layout.ISOMLayout.step(ISOMLayout.java:107)
  • edu.uci.ics.jung.algorithms.layout.LayoutDecorator.step(LayoutDecorator.java:58)
  • edu.uci.ics.jung.visualization.layout.ObservableCachingLayout.step(ObservableCachingLayout.java:59)
  • edu.uci.ics.jung.algorithms.layout.util.VisRunner.prerelax(VisRunner.java:62)
  • edu.uci.ics.jung.visualization.DefaultVisualizationModel.setGraphLayout(DefaultVisualizationModel.java:113)
  • edu.uci.ics.jung.visualization.DefaultVisualizationModel.(DefaultVisualizationModel.java:74)
  • edu.uci.ics.jung.visualization.DefaultVisualizationModel.(DefaultVisualizationModel.java:58)
  • edu.uci.ics.jung.visualization.VisualizationViewer.(VisualizationViewer.java:63)
  • com.rapidminer.gui.graphs.GraphViewer$1.(GraphViewer.java:158)
  • com.rapidminer.gui.graphs.GraphViewer.(GraphViewer.java:158)
  • com.rapidminer.gui.renderer.AbstractGraphRenderer.createReportable(AbstractGraphRenderer.java:95)
  • com.rapidminer.gui.processeditor.results.SingleResultOverview.(SingleResultOverview.java:190)
  • com.rapidminer.gui.processeditor.results.ProcessExecutionResultOverview.(ProcessExecutionResultOverview.java:209)
  • com.rapidminer.gui.processeditor.results.ResultOverview.addResults(ResultOverview.java:128)
  • com.rapidminer.gui.processeditor.results.DockableResultDisplay$2.run(DockableResultDisplay.java:217)
  • com.rapidminer.gui.tools.ProgressThread$3.run(ProgressThread.java:586)
  • java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
  • java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
  • java.lang.Thread.run(Thread.java:748)

Can anyone help me out with this.

Find more posts tagged with

Sort by:
1 - 3 of 31
    User: "mitulsj"
    New Altair Community Member
    OP
    I have a set of documents which I want to compare using data to similarity function. Earlier it was working. But now it is giving me error. need your expert help in this matter. thanks
    Hi,
    this seems to be something very specific in this SOM model. Something like an outlier which has no neighbours or so?
    Best,
    Martin
    User: "mitulsj"
    New Altair Community Member
    OP
    I used that. Earlier it used to work. Not I got those errors. Any change that I should make to this!?