Re: [Jason-users] Start-up exception when printing out warnings about singletons

[Jomi H. <jom...@gm...>]

Hi Francisco,

It is great to receive an email from you!!!!

Thanks for reporting the problem, it is fixed in the GitHub repository. 

Best,

Jomi

> On 26 Aug 2019, at 15:50, Francisco Grimaldo Moreno <fra...@uv...> wrote:
> 
> 
> Hi Jomi, all,
> 
> I am getting the following start-up Exception when activating the checkbox "Print out warnings about singleton variables in plans and rules" in Jason options.
> 
> Jason Http Server running on http://192.168.2.8:3272
> [agent1] as2j: parsing error: "jar:file:/C:/Users/franc/Documents/jason-2.4/libs/jason-2.4.jar!/asl/kqmlPlans.asl"
> java.lang.NullPointerException
> 	at jason.asSyntax.Plan.getTerm(Plan.java:88)
> 	at jason.asSyntax.Structure.countVars(Structure.java:431)
> 	at jason.asSyntax.Structure.getSingletonVars(Structure.java:419)
> 	at jason.asSyntax.parser.as2j.agent(as2j.java:221)
> 	at jason.asSemantics.Agent.parseAS(Agent.java:440)
> 	at jason.asSemantics.Agent.parseAS(Agent.java:408)
> 	at jason.asSemantics.Agent.loadKqmlPlans(Agent.java:229)
> 	at jason.asSemantics.Agent.load(Agent.java:192)
> 	at jason.asSemantics.Agent.create(Agent.java:121)
> 	at jason.infra.centralised.CentralisedAgArch.createArchs(CentralisedAgArch.java:72)
> 	at jason.infra.centralised.RunCentralisedMAS.createAgs(RunCentralisedMAS.java:485)
> 	at jason.infra.centralised.RunCentralisedMAS.create(RunCentralisedMAS.java:207)
> 	at jason.infra.centralised.RunCentralisedMAS.main(RunCentralisedMAS.java:84)
> [agent1] hello world.
> 
> As you can see, a dummy "hello world" project still works but I wonder if other projects might have a problem. Anyway, this option is really useful and I hope it is easy to fix.
> 
> Many thanks for all you help and support.
> 
> Best,
> Fran
> 
> 
> 
> 
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