diff --git a/jOOQ-codegen-maven-example/.classpath b/jOOQ-codegen-maven-example/.classpath
index 480b7e99fc..235c9efceb 100644
--- a/jOOQ-codegen-maven-example/.classpath
+++ b/jOOQ-codegen-maven-example/.classpath
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
 	<classpathentry kind="src" path="src/test/java"/>
-	<classpathentry kind="src" path="target/generated-sources/jooq"/>
+	<classpathentry kind="src" path="target/generated-sources/jooq-postgres"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6"/>
 	<classpathentry kind="con" path="org.maven.ide.eclipse.MAVEN2_CLASSPATH_CONTAINER"/>
 	<classpathentry kind="output" path="target/classes"/>
diff --git a/jOOQ-codegen-maven-example/pom.xml b/jOOQ-codegen-maven-example/pom.xml
index 4897f9c1ab..630d21093c 100644
--- a/jOOQ-codegen-maven-example/pom.xml
+++ b/jOOQ-codegen-maven-example/pom.xml
@@ -71,16 +71,64 @@
 		</dependency>
 	</dependencies>
 		
-  <properties>
-    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-  </properties>
+	<properties>
+	    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+	</properties>
 		
 	<build>
 		<defaultGoal>deploy</defaultGoal>
 		<finalName>${project.artifactId}-${project.version}</finalName>
 		
 		<plugins>
-			<!-- The jOOQ code generator plugin -->
+			<!-- The jOOQ code generator plugin for Sybase ASE -->
+			<!-- [#951] This checks the possibility of empty passwords -->
+			<plugin>
+				<groupId>org.jooq</groupId>
+				<artifactId>jooq-codegen-maven</artifactId>
+				<version>2.0.0-SNAPSHOT</version>
+				<executions>
+					<execution>
+						<goals>
+							<goal>generate</goal>
+						</goals>
+					</execution>
+				</executions>
+				<dependencies>
+					<dependency>
+				  		<groupId>net.sourceforge.jtds</groupId>
+				  		<artifactId>jtds</artifactId>
+				  		<version>1.2.4</version>
+				  	</dependency>
+				</dependencies>
+				<configuration>
+					<jdbc>
+						<driver>net.sourceforge.jtds.jdbc.Driver</driver>
+						<url>jdbc:jtds:sybase://lukas-hp:5000/TEST</url>
+						<schema>dbo</schema>
+						<user>sa</user>
+						<password></password>
+					</jdbc>
+					<generator>
+						<name>org.jooq.util.DefaultGenerator</name>
+						<database>
+							<name>org.jooq.util.ase.ASEDatabase</name>
+							<includes>t_.*,x_.*,v_.*,V_.*,p_.*,f_.*,(f|p)[0-9]+,s_.*</includes>
+							<excludes></excludes>
+						</database>
+						<generate>
+							<relations>true</relations>
+							<deprecated>false</deprecated>
+							<instanceFields>true</instanceFields>
+						</generate>
+						<target>
+							<packageName>org.jooq.util.maven.example.ase</packageName>
+							<directory>target/generated-sources/jooq-ase</directory>
+						</target>
+					</generator>
+				</configuration>
+			</plugin>
+			
+			<!-- The jOOQ code generator plugin for Postgres -->
 			<plugin>
 				<groupId>org.jooq</groupId>
 				<artifactId>jooq-codegen-maven</artifactId>
@@ -120,8 +168,8 @@
 							<instanceFields>false</instanceFields>
 						</generate>
 						<target>
-							<packageName>org.jooq.util.maven.example</packageName>
-							<directory>target/generated-sources/jooq</directory>
+							<packageName>org.jooq.util.maven.example.postgres</packageName>
+							<directory>target/generated-sources/jooq-postgres</directory>
 						</target>
 					</generator>
 				</configuration>
diff --git a/jOOQ-codegen-maven-example/src/test/java/org/jooq/test/util/maven/TestGeneratedSources.java b/jOOQ-codegen-maven-example/src/test/java/org/jooq/test/util/maven/TestGeneratedSources.java
index 5ec4cdc662..25e48ed0a2 100644
--- a/jOOQ-codegen-maven-example/src/test/java/org/jooq/test/util/maven/TestGeneratedSources.java
+++ b/jOOQ-codegen-maven-example/src/test/java/org/jooq/test/util/maven/TestGeneratedSources.java
@@ -44,9 +44,9 @@ import java.util.List;
 
 import org.jooq.Record;
 import org.jooq.Result;
-import org.jooq.util.maven.example.PublicFactory;
-import org.jooq.util.maven.example.tables.TBook;
-import org.jooq.util.maven.example.tables.records.TBookRecord;
+import org.jooq.util.maven.example.postgres.PublicFactory;
+import org.jooq.util.maven.example.postgres.tables.TBook;
+import org.jooq.util.maven.example.postgres.tables.records.TBookRecord;
 
 import org.junit.Test;
 
diff --git a/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Jdbc.java b/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Jdbc.java
index 8f98d217d0..10f3a5ab40 100644
--- a/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Jdbc.java
+++ b/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Jdbc.java
@@ -43,8 +43,8 @@ public class Jdbc {
     private String driver;
     private String url;
     private String schema = "";
-    private String user;
-    private String password;
+    private String user = "";
+    private String password = "";
 
     String getDriver() {
         return driver;
diff --git a/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Plugin.java b/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Plugin.java
index 4bacbaaf45..0e466c61c8 100644
--- a/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Plugin.java
+++ b/jOOQ-codegen-maven/src/main/java/org/jooq/util/maven/Plugin.java
@@ -35,6 +35,8 @@
  */
 package org.jooq.util.maven;
 
+import static org.jooq.tools.StringUtils.defaultString;
+
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
 import java.util.Properties;
@@ -83,16 +85,19 @@ public class Plugin extends AbstractMojo {
 
         props.put("jdbc.Driver", jdbc.getDriver());
         props.put("jdbc.URL", jdbc.getUrl());
-        props.put("jdbc.Schema", jdbc.getSchema());
-        props.put("jdbc.User", jdbc.getUser());
-        props.put("jdbc.Password", jdbc.getPassword());
+        props.put("jdbc.Schema", defaultString(jdbc.getSchema()));
+        props.put("jdbc.User", defaultString(jdbc.getUser()));
+        props.put("jdbc.Password", defaultString(jdbc.getPassword()));
+
         props.put("generator", generator.getName());
         props.put("generator.database", generator.getDatabase().getName());
         props.put("generator.database.includes", generator.getDatabase().getIncludes());
         props.put("generator.database.excludes", generator.getDatabase().getExcludes());
+
         props.put("generator.generate.relations", generator.getGenerate().getRelations());
         props.put("generator.generate.deprecated", generator.getGenerate().getDeprecated());
         props.put("generator.generate.instance-fields", generator.getGenerate().getInstanceFields());
+
         props.put("generator.target.package", generator.getTarget().getPackageName());
         props.put("generator.target.directory", generator.getTarget().getDirectory());
 
diff --git a/jOOQ-codegen/src/main/java/org/jooq/util/GenerationTool.java b/jOOQ-codegen/src/main/java/org/jooq/util/GenerationTool.java
index 2685cef5db..a8d947c88c 100644
--- a/jOOQ-codegen/src/main/java/org/jooq/util/GenerationTool.java
+++ b/jOOQ-codegen/src/main/java/org/jooq/util/GenerationTool.java
@@ -109,9 +109,9 @@ public class GenerationTool {
 
 		try {
 			connection = DriverManager.getConnection(
-					properties.getProperty("jdbc.URL"),
-					properties.getProperty("jdbc.User"),
-					properties.getProperty("jdbc.Password"));
+					defaultString(properties.getProperty("jdbc.URL")),
+					defaultString(properties.getProperty("jdbc.User")),
+				    defaultString(properties.getProperty("jdbc.Password")));
 
 			Class<Generator> generatorClass = (Class<Generator>) (properties.containsKey("generator")
 			    ? Class.forName(properties.getProperty("generator"))