Catch all IOExceptions thrown by toRealPath and fallback to normalize().toAbsolutePath()

This is necessary, because getRelativeToCanonical is called for paths that are not real paths
(e.g. in the case of reading git history and resolving historical paths relative to current)

Author: azakkerman

opengrok-indexer/src/main/java/org/opengrok/indexer/util/PathUtils.java

@@ -28,7 +28,6 @@
 import java.nio.file.FileSystem;
 import java.nio.file.Files;
 import java.nio.file.InvalidPathException;
-import java.nio.file.NoSuchFileException;
 import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Deque;
@@ -96,8 +95,6 @@ public static String getRelativeToCanonical(Path path, Path canonical)
      * the explicit validation against {@code allowedSymlinks}.
      * @return a relative path determined as described above -- or {@code path}
      * if no canonical relativity is found
-     * @throws IOException if an error occurs determining canonical paths
-     * for portions of {@code path}
      * @throws ForbiddenSymlinkException if symbolic-link checking is active
      * and it encounters an ineligible link
      * @throws InvalidPathException if path cannot be decoded
@@ -133,7 +130,7 @@ public static String getRelativeToCanonical(Path path, Path canonical,
             Path iterCanon;
             try {
                 iterCanon = iterPath.toRealPath();
-            } catch (NoSuchFileException e) {
+            } catch (IOException e) {
                 iterCanon = iterPath.normalize().toAbsolutePath();
             }