Index: trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgTestCasesToSequences.java
===================================================================
--- trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgTestCasesToSequences.java	(revision 728)
+++ trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgTestCasesToSequences.java	(revision 766)
@@ -3,5 +3,4 @@
 import java.io.File;
 import java.io.FilenameFilter;
-import java.security.InvalidParameterException;
 import java.util.Collection;
 import java.util.LinkedList;
@@ -43,5 +42,5 @@
 			}
 		} catch (Exception e) {
-			throw new InvalidParameterException();
+			throw new IllegalArgumentException();
 		}
 
Index: trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToDFA.java
===================================================================
--- trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToDFA.java	(revision 728)
+++ trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToDFA.java	(revision 766)
@@ -1,5 +1,4 @@
 package de.ugoe.cs.quest.plugin.guitar.commands;
 
-import java.security.InvalidParameterException;
 import java.util.List;
 
@@ -33,5 +32,5 @@
 			modelname = (String) parameters.get(1);
 		} catch (Exception e) {
-			throw new InvalidParameterException();
+			throw new IllegalArgumentException();
 		}
 
Index: trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToMM.java
===================================================================
--- trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToMM.java	(revision 728)
+++ trunk/quest-plugin-guitar/src/main/java/de/ugoe/cs/quest/plugin/guitar/commands/CMDefgToMM.java	(revision 766)
@@ -1,5 +1,4 @@
 package de.ugoe.cs.quest.plugin.guitar.commands;
 
-import java.security.InvalidParameterException;
 import java.util.List;
 
@@ -33,5 +32,5 @@
 			modelname = (String) parameters.get(1);
 		} catch (Exception e) {
-			throw new InvalidParameterException();
+			throw new IllegalArgumentException();
 		}