Merge branch 'develop' into feature/vault-format-8

# Conflicts:
#	main/commons/src/main/java/org/cryptomator/common/vaults/Vault.java

main/commons/src/main/java/org/cryptomator/common/vaults/Vault.java

@@ -120,6 +120,7 @@ public class Vault {
 	}
 
 	private void destroyCryptoFileSystem(CryptoFileSystem fs) {
+		LOG.trace("Trying to close associated CryptoFS...");
 		if (fs != null) {
 			try {
 				fs.close();

main/pom.xml

@@ -36,7 +36,7 @@
 		<!-- 3rd party dependencies -->
 		<javafx.version>15</javafx.version>
 		<commons-lang3.version>3.11</commons-lang3.version>
-		<jwt.version>3.11.0</jwt.version>
+		<jwt.version>3.12.0</jwt.version>
 		<easybind.version>2.1.0</easybind.version>
 		<guava.version>30.1-jre</guava.version>
 		<dagger.version>2.31</dagger.version>
@@ -175,13 +175,6 @@
 				<artifactId>java-jwt</artifactId>
 				<version>${jwt.version}</version>
 			</dependency>
-			<!-- fixes CVE-2020-25649, can be removed once https://github.com/auth0/java-jwt/pull/463 is closed and released -->
-			<dependency>
-				<groupId>com.fasterxml.jackson.core</groupId>
-				<artifactId>jackson-databind</artifactId>
-				<version>2.10.5.1</version>
-			</dependency>
-
 
 			<!-- EasyBind -->
 			<dependency>

main/ui/src/main/java/org/cryptomator/ui/unlock/UnlockWorkflow.java

@@ -183,15 +183,7 @@ public class UnlockWorkflow extends Task<Boolean> implements MasterkeyFileLoader
 		assert requirement != MountPointRequirement.PARENT_OPT_MOUNT_POINT; //Not implemented anywhere (yet)
 
 		Throwable cause = impExc.getCause();
-		//Cause is either null (cause the IMPE was thrown directly, e.g. because no MPC succeeded)
-		//or the cause was not an Exception (but some other kind of Throwable)
-		//Either way: Handle as generic error
-		if (!(cause instanceof Exception)) {
-			handleGenericError(impExc);
-			return;
-		}
-
-		//From here on handle the cause, not the caught exception
+		// TODO: apply https://openjdk.java.net/jeps/8213076 in future JDK versions
 		if (cause instanceof NotDirectoryException) {
 			if (requirement == MountPointRequirement.PARENT_NO_MOUNT_POINT) {
 				LOG.error("Unlock failed. Parent folder is missing: {}", cause.getMessage());
@@ -200,23 +192,17 @@ public class UnlockWorkflow extends Task<Boolean> implements MasterkeyFileLoader
 			}
 			showInvalidMountPointScene();
 			return;
-		}
-
-		if (cause instanceof FileAlreadyExistsException) {
+		} else if (cause instanceof FileAlreadyExistsException) {
 			LOG.error("Unlock failed. Mountpoint already exists: {}", cause.getMessage());
 			showInvalidMountPointScene();
 			return;
-		}
-
-		if (cause instanceof DirectoryNotEmptyException) {
+		} else if (cause instanceof DirectoryNotEmptyException) {
 			LOG.error("Unlock failed. Mountpoint not an empty directory: {}", cause.getMessage());
 			showInvalidMountPointScene();
 			return;
+		} else {
+			handleGenericError(impExc);
 		}
-
-		//Everything else (especially IOException) results in a generic error
-		//This must be done after the other exceptions because they extend IOException...
-		handleGenericError(cause);
 	}
 
 	private void showInvalidMountPointScene() {