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Re: [Repast-interest] Error while initializing simulation
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From: Nick C. <nic...@gm...> - 2017-06-19 14:48:53
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I think you also need to set an id on the context in the ContextBuilder. For example,
public Context build(Context<Object> context) {
context.setId(“jzombies");
...
That id needs to match context defined in context.xml in your scenario. For example,
<context id="jzombies">
...
Nick
> On Jun 19, 2017, at 10:22 AM, Tatara, Eric R. <ta...@an...> wrote:
>
> Did you specify the dataloader in the Scenario Tree? It should specify a custom context builder implementation which is your context builder class.
>
> eric
>
> From: Juan Moreno Oto [mailto:jua...@te... <mailto:jua...@te...>]
> Sent: Friday, June 16, 2017 3:26 PM
> To: rep...@li... <mailto:rep...@li...>
> Subject: [Repast-interest] Error while initializing simulation
>
> I'm programming a model in Repast Simphony. When running it, i receive an error message "repast.simphony.ui.RSApplication - Error while initializing simulation
> java.lang.NullPointerException" (the complete error report can be seen below). I've pruned my model to get a minimal example with the same error, that you can see below.
> Does anyone have an idea about solving it?
>
> Thanks a lot
>
> ------
>
> package test2;
>
> import java.util.ArrayList;
> import java.util.Iterator;
>
> import repast.simphony.context.Context;
> import repast.simphony.context.space.graph.NetworkBuilder;
> import repast.simphony.context.space.graph.NetworkGenerator;
> import repast.simphony.context.space.graph.RandomDensityGenerator;
> import repast.simphony.dataLoader.ContextBuilder;
> import repast.simphony.space.graph.Network;
> import repast.simphony.space.graph.RepastEdge;
>
> public class Start implements ContextBuilder<Individual> {
>
> public Context<Individual> build(Context<Individual> context) {
> System.out.println("______________________");
> System.out.println("Build beginning ");
> System.out.println("");
> return context;
> }
>
> }
>
> ------
>
> package test2;
>
> import java.util.ArrayList;
> import repast.simphony.engine.schedule.ScheduledMethod;
>
>
> public class Individual {
> int index;
> String name;
> double reputation;
>
> public Individual(int index, String name) {
> this.index = index;
> this.name = name;
> this.reputation = 0.5;
>
> }
>
> public void report (){
> System.out.println(this.index);
> System.out.println(this.name);
> System.out.println(this.reputation);
>
> }
>
> @ScheduledMethod(start = 0, interval = 1, shuffle = true)
> public void influenceOnAction() {
> System.out.println("Individual " + this.index + " is influencing on action...");
> }
>
>
> }
>
> -------
>
> jun 16, 2017 10:02:42 PM java.util.prefs.WindowsPreferences <init>
> WARNING: Could not open/create prefs root node Software\JavaSoft\Prefs at root 0x80000002. Windows RegCreateKeyEx(...) returned error code 5.
> ERROR [AWT-EventQueue-0] 22:02:53,742 repast.simphony.ui.RSApplication - Error while initializing simulation
> java.lang.NullPointerException
> at repast.simphony.engine.controller.ScheduledMethodControllerAction.processContext(ScheduledMethodControllerAction.java:157)
> at repast.simphony.engine.controller.ScheduledMethodControllerAction.runInitialize(ScheduledMethodControllerAction.java:182)
> at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:214)
> at repast.simphony.engine.controller.DefaultController$2.visit(DefaultController.java:1)
> at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:292)
> at repast.simphony.util.collections.NaryTree.preOrderTraverals(NaryTree.java:295)
> at repast.simphony.util.collections.NaryTree.preOrderTraversal(NaryTree.java:288)
> at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:212)
> at repast.simphony.engine.controller.DefaultController.runInitialize(DefaultController.java:383)
> at repast.simphony.ui.RSApplication.initSim(RSApplication.java:157)
> at repast.simphony.ui.RSApplication.start(RSApplication.java:189)
> at repast.simphony.ui.action.StartRun.actionPerformed(StartRun.java:17)
> at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
> at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
> at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
> at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
> at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(Unknown Source)
> at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
> at java.awt.Component.processMouseEvent(Unknown Source)
> at javax.swing.JComponent.processMouseEvent(Unknown Source)
> at java.awt.Component.processEvent(Unknown Source)
> at java.awt.Container.processEvent(Unknown Source)
> at java.awt.Component.dispatchEventImpl(Unknown Source)
> at java.awt.Container.dispatchEventImpl(Unknown Source)
> at java.awt.Component.dispatchEvent(Unknown Source)
> at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
> at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
> at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
> at java.awt.Container.dispatchEventImpl(Unknown Source)
> at java.awt.Window.dispatchEventImpl(Unknown Source)
> at java.awt.Component.dispatchEvent(Unknown Source)
> at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
> at java.awt.EventQueue.access$500(Unknown Source)
> at java.awt.EventQueue$3.run(Unknown Source)
> at java.awt.EventQueue$3.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
> at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
> at java.awt.EventQueue$4.run(Unknown Source)
> at java.awt.EventQueue$4.run(Unknown Source)
> at java.security.AccessController.doPrivileged(Native Method)
> at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(Unknown Source)
> at java.awt.EventQueue.dispatchEvent(Unknown Source)
> at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
> at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
> at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
> at java.awt.EventDispatchThread.run(Unknown Source)
>
>
>
>
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