我可以使用import $file.MyScript, MyScript._
. 它第一次运行良好,但如果我想导入更新版本MyScript.sc
怎么办?
文档建议做
@ repl.sess.load()
它初始化 REPL,允许我再次导入脚本。听起来不错,但是,java.lang.NoClassDefFoundError
当我再次导入脚本时,我会得到一个 - 请参阅下面的示例会话。
repl.sess.load()
这里可能不是正确的功能,但是我如何在更新后重新导入脚本?
我知道有一个功能可以在使用带--watch
参数的 Ammonite 脚本进行更改后重新运行脚本,但这不是使用 REPL,所以这不是一个好的解决方法。
示例会话
// As per docs: "If you want to re-load a script, you should use Ammonite's Save/Load Session functionality to
// sess.save() the session before importing the script, and sess.load()ing to reset the script
// before re-importing it."
@ repl.sess.save()
@ import $file.MyScript, MyScript._
Compiling /File/Path/MyScript.sc
import $file.$ , MyScript._
@ myWord
res2: String = "mountain"
@ surroundWord(myWord)
res3: String = "barwordfoo"
@ repl.sess.load()
res4: ammonite.repl.api.SessionChanged = SessionChanged(
HashSet(
Symbol(notify),
Symbol(prefixWord),
Symbol(wait),
Symbol(equals),
Symbol(asInstanceOf),
Symbol(synchronized),
Symbol(notifyAll),
Symbol(isInstanceOf),
Symbol(!=),
Symbol(res2),
Symbol(ne),
Symbol(hashCode),
Symbol(surroundWord),
Symbol(myWord),
Symbol(res3),
Symbol(==),
...
@ myWord
cmd5.sc:1: not found: value myWord
val res5 = myWord
^
Compilation Failed
@ import $file.MyScript, MyScript._
import $file.$ , MyScript._
@ myWord
java.lang.NoClassDefFoundError: ammonite/$sess/MyScript$
ammonite.$sess.cmd6$.<clinit>(cmd6.sc:1)
java.lang.ClassNotFoundException: ammonite.$sess.MyScript$
java.net.URLClassLoader.findClass(URLClassLoader.java:435)
ammonite.runtime.SpecialClassLoader.findClass(ClassLoaders.scala:241)
java.lang.ClassLoader.loadClass(ClassLoader.java:589)
java.lang.ClassLoader.loadClass(ClassLoader.java:522)
ammonite.$sess.cmd6$.<clinit>(cmd6.sc:1)