Github user devaraj-kavali commented on the issue:
https://github.com/apache/spark/pull/18708
Thanks @HyukjinKwon for checking this and for the link.
> Are you saying "file:///C:/Users//.ivy2/jars/.jar" is not the correct
form of URI on Windows?
This URI form is correct for java.io.File and also for ClassLoader. I see
that that the jar is getting loaded with this URI form from the ClassLoader
during my inspection.
SparkSubmit.scala
```
private def addJarToClasspath(localJar: String, loader:
MutableURLClassLoader) {
val uri = Utils.resolveURI(localJar)
uri.getScheme match {
case "file" | "local" =>
val file = new File(uri.getPath)
if (file.exists()) {
loader.addURL(file.toURI.toURL)
} else {
```
But this URI form is not supported by the `java -classpath`. In this below
code, the `jars` are having the `file:///` scheme which is not supported and
causing the issue.
Main.scala
```
private[repl] def doMain(args: Array[String], _interp: SparkILoop): Unit
= {
interp = _interp
val jars = Utils.getUserJars(conf, isShell =
true).mkString(File.pathSeparator)
val interpArguments = List(
"-Yrepl-class-based",
"-Yrepl-outdir", s"${outputDir.getAbsolutePath}",
"-classpath", jars
```
And also we can see the difference with these java commands,
In Windows,
```
C:\>java -classpath file:///C:/work/test/a1.jar com.test.second.ClassZ
Error: Could not find or load main class com.test.second.ClassZ
C:\>java -classpath C:/work/test/a1.jar com.test.second.ClassZ
From main method
```
In Unix,
```
[devaraj@devaraj-work-pc ~]$ java -classpath
/home/devaraj/work/install/test/a1.jar com.test.second.ClassZ
From main method
[devaraj@devaraj-work-pc ~]$ java -classpath
file:///home/devaraj/work/install/test/a1.jar com.test.second.ClassZ
From main method
```
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