java.lang.NullPointerException

GitHub | danilovesky | 2 months ago
  1. 0

    GitHub comment 557#247999015

    GitHub | 2 months ago | danilovesky
    java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at java.util.Collections$UnmodifiableCollection.<init>()
    2. Java RT
      Collections.unmodifiableSet
      1. java.util.Collections$UnmodifiableCollection.<init>(Collections.java:1026)
      2. java.util.Collections$UnmodifiableSet.<init>(Collections.java:1128)
      3. java.util.Collections.unmodifiableSet(Collections.java:1118)
      3 frames
    3. org.workcraft.dom
      AbstractModel.getPostset
      1. org.workcraft.dom.NodeContextTracker.getPostset(NodeContextTracker.java:144)
      2. org.workcraft.dom.AbstractModel.getPostset(AbstractModel.java:139)
      2 frames
    4. org.workcraft.plugins
      VisualCircuit.draw
      1. org.workcraft.plugins.circuit.routing.RouterClient.registerObstacles(RouterClient.java:83)
      2. org.workcraft.plugins.circuit.VisualCircuit.draw(VisualCircuit.java:392)
      2 frames