From 50b167e28f60b20908a2c787c1d3fd1006cb34fe Mon Sep 17 00:00:00 2001
From: Sebastian Stenzel <sebastian.stenzel@skymatic.de>
Date: Mon, 11 Feb 2019 13:28:38 +0100
Subject: [PATCH] improved logging in case of "java.lang.IllegalStateException:
 Mount failed: Cannot assign a drive letter or mount point. Probably already
 used by another volume." (#806)

---
 .../src/main/java/org/cryptomator/ui/model/DokanyVolume.java   | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/main/ui/src/main/java/org/cryptomator/ui/model/DokanyVolume.java b/main/ui/src/main/java/org/cryptomator/ui/model/DokanyVolume.java
index 1805729a7..bca50b859 100644
--- a/main/ui/src/main/java/org/cryptomator/ui/model/DokanyVolume.java
+++ b/main/ui/src/main/java/org/cryptomator/ui/model/DokanyVolume.java
@@ -49,6 +49,9 @@ public class DokanyVolume implements Volume {
 		try {
 			this.mount = mountFactory.mount(fs.getPath("/"), mountPath, mountName, FS_TYPE_NAME);
 		} catch (MountFailedException e) {
+			if (vaultSettings.usesIndividualMountPath().get()) {
+				LOG.warn("Failed to mount vault into {}. Is this directory currently accessed by another process (e.g. Windows Explorer)?", mountPath);
+			}
 			throw new VolumeException("Unable to mount Filesystem", e);
 		}
 	}