BetterHSQLDialect allows mysql compatible use of @Lob (no length)

core/src/main/java/org/genesys/blocks/util/BetterHSQLDialect.java

+package org.genesys.blocks.util;
+
+import java.sql.Types;
+
+import org.hibernate.dialect.HSQLDialect;
+
+/**
+ * Hibernate's HSQL dialect uses clob(255) when length is not specified.
+ * 
+ * Example: For JDBC connection to <code>jdbc:hsqldb:mem:catalog;sql.syntax_mys=true;sql.ignore_case=true</code>
+ * set Hibernate dialect to <code>org.genesys.blocks.util.BetterHSQLDialect</code>.
+ */
+public class BetterHSQLDialect extends HSQLDialect {
+
+	// http://stackoverflow.com/questions/12876551/hibernate-4-1-with-hsqldb-gives-data-exception-string-data-right-truncation
+	public BetterHSQLDialect() {
+		super();
+		registerColumnType(Types.CLOB, "clob");
+		registerColumnType(Types.BLOB, "blob");
+	}
+}
\ No newline at end of file

security/src/main/java/org/genesys/blocks/oauth/model/AccessToken.java

@@ -35,14 +35,12 @@ public class AccessToken implements Serializable {
 	@Column(unique = true, length = 100)
 	private String authenticationId;
 	@Lob
-	@Column(length= 20 * 1024)
 	private byte[] token;
 	@Column(length = 100)
 	private String username;
 	@Column(length = 100)
 	private String clientId;
 	@Lob
-	@Column(length= 20 * 1024)
 	private byte[] authentication;
 	@Column(length = 100)
 	private String refreshToken;

security/src/main/java/org/genesys/blocks/oauth/model/RefreshToken.java

@@ -34,11 +34,9 @@ public class RefreshToken implements Serializable {
 	private String tokenId;
 
 	@Lob
-	@Column(length= 20 * 1024)
 	private byte[] token;
 
 	@Lob
-	@Column(length= 20 * 1024)
 	private byte[] authentication;
 
 	public void setTokenId(final String tokenId) {