2 files changed, 19 insertions, 2 deletions

diff --git a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbImage.java b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbImage.java
index 36c3a466..da52a5b3 100644
--- a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbImage.java
+++ b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbImage.java
@@ -1097,4 +1097,22 @@ public class DbImage {
 		}
 	}
 
+	/**
+	 * Get all known file names of images, regardless of whether they are working/valid.
+	 */
+	public static Set<String> getAllFilenames() throws SQLException {
+		try (MysqlConnection connection = Database.getConnection()) {
+			MysqlStatement stmt = connection.prepareStatement("SELECT filepath FROM imageversion");
+			ResultSet rs = stmt.executeQuery();
+			Set<String> result = new HashSet<>();
+			while (rs.next()) {
+				result.add(rs.getString("filepath"));
+			}
+			return result;
+		} catch (SQLException e) {
+			LOGGER.error("Query failed in DbImage.getAllFilenames()", e);
+			throw e;
+		}
+	}
+
 }
diff --git a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbLecture.java b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbLecture.java
index 4ecb9d99..c07a0ed9 100644
--- a/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbLecture.java
+++ b/dozentenmodulserver/src/main/java/org/openslx/bwlp/sat/database/mappers/DbLecture.java
@@ -30,7 +30,6 @@ import org.openslx.bwlp.thrift.iface.TNotFoundException;
 import org.openslx.bwlp.thrift.iface.UserInfo;
 import org.openslx.util.Json;
 import org.openslx.util.Util;
-import org.openslx.util.vm.UnsupportedVirtualizerFormatException;
 import org.openslx.util.vm.VmMetaData;
 import org.openslx.util.vm.VmMetaData.UsbSpeed;
 
@@ -553,7 +552,7 @@ public class DbLecture {
 	}
 
 	public static LaunchData getClientLaunchData(String lectureId) throws SQLException,
-			TNotFoundException, UnsupportedVirtualizerFormatException {
+			TNotFoundException {
 		LaunchData retval = new LaunchData();
 		byte[] config;
 		String lectureName;