diff -r 5d7d1adf387f -r 62b9b2533902 src/org/sonews/storage/impl/HSQLDBProvider.java
--- a/src/org/sonews/storage/impl/HSQLDBProvider.java	Tue Jun 07 11:55:22 2011 +0200
+++ b/src/org/sonews/storage/impl/HSQLDBProvider.java	Tue Oct 18 19:45:13 2011 +0200
@@ -17,6 +17,9 @@
  */
 package org.sonews.storage.impl;
 
+import java.sql.SQLException;
+import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 import org.sonews.storage.Storage;
 import org.sonews.storage.StorageBackendException;
 import org.sonews.storage.StorageProvider;
@@ -27,13 +30,28 @@
  * @since sonews/1.1
  */
 public class HSQLDBProvider implements StorageProvider {
+	protected static final Map<Thread, HSQLDB> instances =
+			new ConcurrentHashMap<Thread, HSQLDB>();
 
+	@Override
 	public boolean isSupported(String uri) {
 		return uri.startsWith("jdbc:hsqldb");
 	}
 
+	@Override
 	public Storage storage(Thread thread) throws StorageBackendException {
-		throw new UnsupportedOperationException("Not supported yet.");
+		try {
+			if (!instances.containsKey(Thread.currentThread())) {
+				HSQLDB db = new HSQLDB();
+				db.arise();
+				instances.put(Thread.currentThread(), db);
+				return db;
+			} else {
+				return instances.get(Thread.currentThread());
+			}
+		} catch (SQLException ex) {
+			throw new StorageBackendException(ex);
+		}
 	}
 
 }