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我在没有图形功能的 Ubuntu 服务器上开发,并从另一台计算机查看那里提供的网站。

编译到 ClojureScript 时,我得到了一个基本core.clj HeadlessException的绘制函数。

我想保持服务器原样。这可能吗?如果没有,有人知道我需要获取什么图形包才能使用 Java 吗?

谢谢!

更新错误:

clojure.lang.Compiler$CompilerException: java.awt.HeadlessException, compiling:(visualizer.cljs:38:1)
 at clojure.lang.Compiler$InvokeExpr.eval (Compiler.java:3628)
    clojure.lang.Compiler$DefExpr.eval (Compiler.java:439)
    clojure.lang.Compiler.eval (Compiler.java:6787)
    clojure.lang.Compiler.load (Compiler.java:7227)
    user$eval1902.invoke (form-init1559961897338794738.clj:1)
    clojure.lang.Compiler.eval (Compiler.java:6782)
    clojure.lang.Compiler.eval (Compiler.java:6745)
    clojure.core$eval.invoke (core.clj:3081)
    clojure.main$repl$read_eval_print__7099$fn__7102.invoke (main.clj:240)
    clojure.main$repl$read_eval_print__7099.invoke (main.clj:240)
    clojure.main$repl$fn__7108.invoke (main.clj:258)
    clojure.main$repl.doInvoke (main.clj:258)
    clojure.lang.RestFn.invoke (RestFn.java:1523)
    clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__623.invoke (interruptible_eval.clj:58)
    clojure.lang.AFn.applyToHelper (AFn.java:152)
    clojure.lang.AFn.applyTo (AFn.java:144)
    clojure.core$apply.invoke (core.clj:630)
    clojure.core$with_bindings_STAR_.doInvoke (core.clj:1868)
    clojure.lang.RestFn.invoke (RestFn.java:425)
    clojure.tools.nrepl.middleware.interruptible_eval$evaluate.invoke (interruptible_eval.clj:56)
    clojure.tools.nrepl.middleware.interruptible_eval$interruptible_eval$fn__665$fn__668.invoke (interruptible_eval.clj:191)
    clojure.tools.nrepl.middleware.interruptible_eval$run_next$fn__660.invoke (interruptible_eval.clj:159)
    clojure.lang.AFn.run (AFn.java:22)
    java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1145)
    java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:615)
    java.lang.Thread.run (Thread.java:745)
Caused by: java.awt.HeadlessException: null
 at java.applet.Applet.<init> (Applet.java:67)
    processing.core.PApplet.<init> (PApplet.java:159)
    quil.Applet.<init> (:-1)
    quil.applet$applet.doInvoke (applet.clj:448)
    clojure.lang.RestFn.applyTo (RestFn.java:137)
    clojure.lang.Compiler$InvokeExpr.eval (Compiler.java:3623)
    clojure.lang.Compiler$DefExpr.eval (Compiler.java:439)
    clojure.lang.Compiler.eval (Compiler.java:6787)
    clojure.lang.Compiler.load (Compiler.java:7227)
    user$eval1902.invoke (form-init1559961897338794738.clj:1)
    clojure.lang.Compiler.eval (Compiler.java:6782)
    clojure.lang.Compiler.eval (Compiler.java:6745)
    clojure.core$eval.invoke (core.clj:3081)
    clojure.main$repl$read_eval_print__7099$fn__7102.invoke (main.clj:240)
    clojure.main$repl$read_eval_print__7099.invoke (main.clj:240)
    clojure.main$repl$fn__7108.invoke (main.clj:258)
    clojure.main$repl.doInvoke (main.clj:258)
    clojure.lang.RestFn.invoke (RestFn.java:1523)
    clojure.tools.nrepl.middleware.interruptible_eval$evaluate$fn__623.invoke (interruptible_eval.clj:58)
    clojure.lang.AFn.applyToHelper (AFn.java:152)
    clojure.lang.AFn.applyTo (AFn.java:144)
    clojure.core$apply.invoke (core.clj:630)
    clojure.core$with_bindings_STAR_.doInvoke (core.clj:1868)
    clojure.lang.RestFn.invoke (RestFn.java:425)
    clojure.tools.nrepl.middleware.interruptible_eval$evaluate.invoke (interruptible_eval.clj:56)
    clojure.tools.nrepl.middleware.interruptible_eval$interruptible_eval$fn__665$fn__668.invoke (interruptible_eval.clj:191)
    clojure.tools.nrepl.middleware.interruptible_eval$run_next$fn__660.invoke (interruptible_eval.clj:159)
    clojure.lang.AFn.run (AFn.java:22)
    java.util.concurrent.ThreadPoolExecutor.runWorker (ThreadPoolExecutor.java:1145)
    java.util.concurrent.ThreadPoolExecutor$Worker.run (ThreadPoolExecutor.java:615)
    java.lang.Thread.run (Thread.java:745)
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