--- a/ChangeLog	Tue Mar 05 16:18:51 2019 +0100
+++ b/ChangeLog	Wed Mar 06 15:21:43 2019 +0100
@@ -1,3 +1,12 @@
+2019-03-06  Jiri Vanek <jvanek@redhat.com>
+            Lars Herschke <lhersch@dssgmbh.de>
+
+	On windows, use dunce to canonicalize paths	
+	* rust-launcher/Cargo.toml: added dunce crate for windows target
+	* rust-launcher/src/dirs_paths_helper.rs: declared canonicalize methods, one for windows, second for not-windows.
+	The windows one is using dunce, other is on PathBuf.
+	* rust-launcher/src/utils.rs:used above method insted PathBuf::canonicalize
+
 2019-03-05  Jiri Vanek <jvanek@redhat.com>
             Lars Herschke <lhersch@dssgmbh.de>
 

--- a/rust-launcher/Cargo.toml	Tue Mar 05 16:18:51 2019 +0100
+++ b/rust-launcher/Cargo.toml	Wed Mar 06 15:21:43 2019 +0100
@@ -4,5 +4,5 @@
 authors = ["https://icedtea.classpath.org/wiki/IcedTea-Web"]
 
 [dependencies]
-
-
+[target.'cfg(windows)'.dependencies]
+dunce = "0.1.1"

--- a/rust-launcher/src/dirs_paths_helper.rs	Tue Mar 05 16:18:51 2019 +0100
+++ b/rust-launcher/src/dirs_paths_helper.rs	Wed Mar 06 15:21:43 2019 +0100
@@ -1,8 +1,12 @@
 use os_access;
 
 use std;
+use std::io;
 use std::env;
 
+#[cfg(windows)] extern crate dunce;
+
+
 pub static ICEDTEA_WEB: &'static str = "icedtea-web";
 pub static DEPLOYMENT_PROPERTIES: &'static str = "deployment.properties";
 
@@ -77,6 +81,18 @@
     String::from(current_program().file_name().expect("unwrap of pgm name failed").to_str().expect("unwrap of pgm name failed"))
 }
 
+#[cfg(not(windows))]
+pub fn canonicalize(full_path: &std::path::PathBuf) -> Result<std::path::PathBuf, io::Error> {
+    full_path.canonicalize()
+}
+
+
+#[cfg(windows)]
+pub fn canonicalize(full_path: &std::path::PathBuf) -> Result<std::path::PathBuf, io::Error> {
+    dunce::canonicalize(&full_path)
+}
+
+
 /*tests*/
 #[cfg(test)]
 mod tests {

--- a/rust-launcher/src/utils.rs	Tue Mar 05 16:18:51 2019 +0100
+++ b/rust-launcher/src/utils.rs	Wed Mar 06 15:21:43 2019 +0100
@@ -83,7 +83,7 @@
                 write!(&mut info1, "itw-rust-debug: trying {}", full_path.to_str().expect("unwrap failed")).expect("unwrap failed");
                 os.log(&info1);
                 if dirs_paths_helper::is_file(&full_path) {
-                    let can = match full_path.canonicalize() {
+                    let can = match dirs_paths_helper::canonicalize(&full_path) {
                         Ok(resolved) => {
                             //.../bin/java
                             resolved
@@ -159,7 +159,7 @@
 
     #[test]
     fn try_jre_exists_on_path() {
-        let top_dir = fake_jre(true).canonicalize().expect("canonicalize failed");
+        let top_dir = dirs_paths_helper::canonicalize(&fake_jre(true)).expect("canonicalize failed");
         let mut master_dir = top_dir.clone();
         master_dir.push("bin");
         let v1 = super::get_jdk_from_path_conditionally_testable(Some(fo::from(master_dir.clone())), hardcoded_paths::ItwLibSearch::DISTRIBUTION, &TestLogger::create_new());
@@ -196,7 +196,7 @@
         let v3 = super::get_jdk_from_path_conditionally_testable(Some(fo::from(master_dir.clone())), hardcoded_paths::ItwLibSearch::BOTH, &TestLogger::create_new());
         debuggable_remove_dir(&master_dir);
         assert_eq!(None, v1);
-        let parent = std::path::PathBuf::from(master_dir.parent().expect("just created")).canonicalize().expect("canonicalize failed");
+        let parent = dirs_paths_helper::canonicalize(&std::path::PathBuf::from(master_dir.parent().expect("just created"))).expect("canonicalize failed");
         assert_eq!(Some(parent.clone()), v2);
         assert_eq!(Some(parent.clone()), v3);
     }