diff --git a/pom.xml b/pom.xml
index ab51b8e..022da02 100644
--- a/pom.xml
+++ b/pom.xml
@@ -145,6 +145,18 @@
         </resources>
 
         <plugins>
+            <plugin>
+                <artifactId>maven-clean-plugin</artifactId>
+                <version>3.1.0</version>
+                <configuration>
+                    <filesets>
+                        <fileset>
+                            <directory>src/generated/java</directory>
+                            <followSymlinks>false</followSymlinks>
+                        </fileset>
+                    </filesets>
+                </configuration>
+            </plugin>
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-enforcer-plugin</artifactId>
diff --git a/src/generated/java/de/kosit/validationtool/model/daemon/ObjectFactory.java b/src/generated/java/de/kosit/validationtool/model/daemon/ObjectFactory.java
index 548fd2d..b5a58c5 100644
--- a/src/generated/java/de/kosit/validationtool/model/daemon/ObjectFactory.java
+++ b/src/generated/java/de/kosit/validationtool/model/daemon/ObjectFactory.java
@@ -2,7 +2,7 @@
 // Diese Datei wurde mit der JavaTM Architecture for XML Binding(JAXB) Reference Implementation, v2.3.0 generiert 
 // Siehe <a href="https://javaee.github.io/jaxb-v2/">https://javaee.github.io/jaxb-v2/</a> 
 // Änderungen an dieser Datei gehen bei einer Neukompilierung des Quellschemas verloren. 
-// Generiert: 2020.04.29 um 03:45:08 PM CEST 
+// Generiert: 2020.04.29 um 05:05:04 PM CEST 
 //
 
 
@@ -15,17 +15,13 @@ import javax.xml.namespace.QName;
 
 
 /**
- * This object contains factory methods for each 
- * Java content interface and Java element interface 
- * generated in the de.xoev.de.validator.framework._1.daemon package. 
- * <p>An ObjectFactory allows you to programatically 
- * construct new instances of the Java representation 
- * for XML content. The Java representation of XML 
- * content can consist of schema derived interfaces 
- * and classes representing the binding of schema 
- * type definitions, element declarations and model 
- * groups.  Factory methods for each of these are 
- * provided in this class.
+ * This object contains factory methods for each Java content interface and Java element interface generated in the
+ * de.kosit.validationtool.model.daemon package.
+ * <p>
+ * An ObjectFactory allows you to programatically construct new instances of the Java representation for XML content.
+ * The Java representation of XML content can consist of schema derived interfaces and classes representing the binding
+ * of schema type definitions, element declarations and model groups. Factory methods for each of these are provided in
+ * this class.
  * 
  */
 @XmlRegistry
@@ -34,7 +30,8 @@ public class ObjectFactory {
     private final static QName _Health_QNAME = new QName("http://www.xoev.de/de/validator/framework/1/daemon", "health");
 
     /**
-     * Create a new ObjectFactory that can be used to create new instances of schema derived classes for package: de.xoev.de.validator.framework._1.daemon
+     * Create a new ObjectFactory that can be used to create new instances of schema derived classes for package:
+     * de.kosit.validationtool.model.daemon
      * 
      */
     public ObjectFactory() {
@@ -44,7 +41,7 @@ public class ObjectFactory {
      * Create an instance of {@link HealthType }
      * 
      */
-    public static HealthType createHealthType() {
+    public HealthType createHealthType() {
         return new HealthType();
     }
 
@@ -52,7 +49,7 @@ public class ObjectFactory {
      * Create an instance of {@link ApplicationType }
      * 
      */
-    public static ApplicationType createApplicationType() {
+    public ApplicationType createApplicationType() {
         return new ApplicationType();
     }
 
@@ -60,7 +57,7 @@ public class ObjectFactory {
      * Create an instance of {@link MemoryType }
      * 
      */
-    public static MemoryType createMemoryType() {
+    public MemoryType createMemoryType() {
         return new MemoryType();
     }
 
@@ -73,7 +70,7 @@ public class ObjectFactory {
      *     the new instance of {@link JAXBElement }{@code <}{@link HealthType }{@code >}
      */
     @XmlElementDecl(namespace = "http://www.xoev.de/de/validator/framework/1/daemon", name = "health")
-    public static JAXBElement<HealthType> createHealth(final HealthType value) {
+    public JAXBElement<HealthType> createHealth(HealthType value) {
         return new JAXBElement<HealthType>(_Health_QNAME, HealthType.class, null, value);
     }
 
diff --git a/src/main/java/de/kosit/validationtool/config/DefaultConfiguration.java b/src/main/java/de/kosit/validationtool/config/DefaultConfiguration.java
index 1af8820..830f86b 100644
--- a/src/main/java/de/kosit/validationtool/config/DefaultConfiguration.java
+++ b/src/main/java/de/kosit/validationtool/config/DefaultConfiguration.java
@@ -36,5 +36,5 @@ public class DefaultConfiguration implements Configuration {
 
     private String date;
 
-    public Map<String, Object> additionalParameters;
+    private Map<String, Object> additionalParameters;
 }
diff --git a/src/main/java/de/kosit/validationtool/impl/input/SourceInput.java b/src/main/java/de/kosit/validationtool/impl/input/SourceInput.java
index 8cc4a3d..f11e65f 100644
--- a/src/main/java/de/kosit/validationtool/impl/input/SourceInput.java
+++ b/src/main/java/de/kosit/validationtool/impl/input/SourceInput.java
@@ -75,6 +75,7 @@ public class SourceInput extends AbstractInput {
             return (ss.getInputStream() != null && ss.getInputStream().available() == 0)
                     || (ss.getReader() != null && !ss.getReader().ready());
         } catch (final IOException e) {
+            log.error("Error checking consumed state", e);
             return true;
         }
     }