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Title: Script parameters lead to unbound system variables in Clojure · Issue #5 · scijava/scripting-clojure · GitHub

Open Graph Title: Script parameters lead to unbound system variables in Clojure · Issue #5 · scijava/scripting-clojure

X Title: Script parameters lead to unbound system variables in Clojure · Issue #5 · scijava/scripting-clojure

Description: This Clojure script works: (println "hello world") This Clojure script works: #@String name #@output String output (def output (str name "J")) This Clojure script does not work: #@String name (println "hello world") Throwing the followin...

Open Graph Description: This Clojure script works: (println "hello world") This Clojure script works: #@String name #@output String output (def output (str name "J")) This Clojure script does not work: #@String name (prin...

X Description: This Clojure script works: (println "hello world") This Clojure script works: #@String name #@output String output (def output (str name "J")) This Clojure script does not work:...

Opengraph URL: https://github.com/scijava/scripting-clojure/issues/5

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Hey, it has json ld scripts: 
{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Script parameters lead to unbound system variables in Clojure","articleBody":"This Clojure script works:\r\n```\r\n(println \"hello world\")\r\n```\r\n\r\nThis Clojure script works:\r\n```\r\n#@String name\r\n#@output String output\r\n\r\n(def output (str name \"J\"))\r\n\r\n```\r\n\r\nThis Clojure script does not work:\r\n```\r\n#@String name\r\n\r\n(println \"hello world\")\r\n```\r\nThrowing the following error:\r\n```\r\n[ERROR] Module threw exception\r\njava.lang.NullPointerException\r\n\tat java.io.Writer.\u003cinit\u003e(Writer.java:88)\r\n\tat java.io.PrintWriter.\u003cinit\u003e(PrintWriter.java:113)\r\n\tat java.io.PrintWriter.\u003cinit\u003e(PrintWriter.java:100)\r\n\tat clojure.lang.RT.errPrintWriter(RT.java:271)\r\n\tat clojure.lang.Namespace.warnOrFailOnReplace(Namespace.java:90)\r\n\tat clojure.lang.Namespace.intern(Namespace.java:72)\r\n\tat clojure.lang.Var.intern(Var.java:158)\r\n\tat clojure.lang.RT.var(RT.java:343)\r\n\tat org.scijava.plugins.scripting.clojure.ClojureBindings.get(ClojureBindings.java:105)\r\n\tat org.scijava.plugins.scripting.clojure.ClojureBindings.put(ClojureBindings.java:120)\r\n\tat org.scijava.script.AbstractScriptEngine.put(AbstractScriptEngine.java:99)\r\n\tat org.scijava.script.ScriptModule.run(ScriptModule.java:148)\r\n\tat org.scijava.module.ModuleRunner.run(ModuleRunner.java:167)\r\n\tat org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)\r\n\tat org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)\r\n\tat org.scijava.thread.DefaultThreadService$3.call(DefaultThreadService.java:237)\r\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:266)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tat java.lang.Thread.run(Thread.java:748)\r\njava.util.concurrent.ExecutionException: java.lang.NullPointerException\r\n\tat java.util.concurrent.FutureTask.report(FutureTask.java:122)\r\n\tat java.util.concurrent.FutureTask.get(FutureTask.java:192)\r\n\tat org.scijava.ui.swing.script.TextEditor.evalScript(TextEditor.java:2348)\r\n\tat org.scijava.ui.swing.script.TextEditor.access$1000(TextEditor.java:149)\r\n\tat org.scijava.ui.swing.script.TextEditor$20.execute(TextEditor.java:1939)\r\n\tat org.scijava.ui.swing.script.TextEditor$Executer$1.run(TextEditor.java:1751)\r\nCaused by: java.lang.NullPointerException\r\n\tat java.io.Writer.\u003cinit\u003e(Writer.java:88)\r\n\tat java.io.PrintWriter.\u003cinit\u003e(PrintWriter.java:113)\r\n\tat java.io.PrintWriter.\u003cinit\u003e(PrintWriter.java:100)\r\n\tat clojure.lang.RT.errPrintWriter(RT.java:271)\r\n\tat clojure.lang.Namespace.warnOrFailOnReplace(Namespace.java:90)\r\n\tat clojure.lang.Namespace.intern(Namespace.java:72)\r\n\tat clojure.lang.Var.intern(Var.java:158)\r\n\tat clojure.lang.RT.var(RT.java:343)\r\n\tat org.scijava.plugins.scripting.clojure.ClojureBindings.get(ClojureBindings.java:105)\r\n\tat org.scijava.plugins.scripting.clojure.ClojureBindings.put(ClojureBindings.java:120)\r\n\tat org.scijava.script.AbstractScriptEngine.put(AbstractScriptEngine.java:99)\r\n\tat org.scijava.script.ScriptModule.run(ScriptModule.java:148)\r\n\tat org.scijava.module.ModuleRunner.run(ModuleRunner.java:167)\r\n\tat org.scijava.module.ModuleRunner.call(ModuleRunner.java:126)\r\n\tat org.scijava.module.ModuleRunner.call(ModuleRunner.java:65)\r\n\tat org.scijava.thread.DefaultThreadService$3.call(DefaultThreadService.java:237)\r\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:266)\r\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)\r\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)\r\n\tat java.lang.Thread.run(Thread.java:748)\r\n```\r\n\r\nNote that Clojure's `println` works by binding System.out to `*out*`, and `#` indicates the beginning of a reader macro in Clojure. The suspicion is that the `#` is slipping through and messing with the establishment of the `user` namespace in Clojure.","author":{"url":"https://github.com/kephale","@type":"Person","name":"kephale"},"datePublished":"2017-06-23T15:21:50.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":1},"url":"https://github.com/5/scripting-clojure/issues/5"}
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on Jun 23, 2017https://github.com/scijava/scripting-clojure/issues/5#issue-238174367
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