Check autoloader couldn't find jar file in same folder earlier.

Author: Janmm14

src/java/com/javadeobfuscator/deobfuscator/ui/SwingWindow.java

@@ -1449,10 +1449,10 @@ private static List<String> splitQuoteAware(String args1, char splitChar)
 	private static void loadWrappers()
 	{
 		WrapperFactory.setupJarLoader(false);
-		deob = WrapperFactory.getDeobfuscator();
-		trans = WrapperFactory.getTransformers();
 		try
 		{
+			deob = WrapperFactory.getDeobfuscator();
+			trans = WrapperFactory.getTransformers();
 			config = deob.getConfig();
 			transformers = trans.getTransformers();
 			for (Class<?> clazz : transformers)

src/java/com/javadeobfuscator/deobfuscator/ui/wrap/Deobfuscator.java

@@ -16,7 +16,7 @@ public class Deobfuscator
 	/**
 	 * ClassLoader to load classes from deobfuscator jar.
 	 */
-	private ByteLoader loader;
+	private final ByteLoader loader;
 	/**
 	 * Config wrapper to use in deobfuscator.
 	 */
@@ -26,8 +26,12 @@ public class Deobfuscator
 	 */
 	private Object instance;
 
-	Deobfuscator(ByteLoader loader)
+	Deobfuscator(ByteLoader loader) throws FallbackException
 	{
+		if (loader == null)
+		{
+			throw new FallbackException("Loading Problem", "Could not create Config instance.", new NullPointerException("loader is null"));
+		}
 		this.loader = loader;
 	}
 

src/java/com/javadeobfuscator/deobfuscator/ui/wrap/Transformers.java

@@ -21,10 +21,14 @@ public class Transformers
 	/**
 	 * ClassLoader to load classes from deobfuscator jar.
 	 */
-	private ByteLoader loader;
+	private final ByteLoader loader;
 
-	public Transformers(ByteLoader loader)
+	public Transformers(ByteLoader loader) throws FallbackException
 	{
+		if (loader == null)
+		{
+			throw new FallbackException("Loading Problem", "Could not create Config instance.", new NullPointerException("loader is null"));
+		}
 		this.loader = loader;
 	}
 

src/java/com/javadeobfuscator/deobfuscator/ui/wrap/WrapperFactory.java

@@ -11,6 +11,7 @@
 import java.util.zip.ZipFile;
 
 import com.javadeobfuscator.deobfuscator.ui.util.ByteLoader;
+import com.javadeobfuscator.deobfuscator.ui.util.FallbackException;
 import com.javadeobfuscator.deobfuscator.ui.util.InvalidJarException;
 import com.javadeobfuscator.deobfuscator.ui.util.MiniClassReader;
 
@@ -28,15 +29,15 @@ public class WrapperFactory
 	/**
 	 * @return Deobfuscator wrapper.
 	 */
-	public static Deobfuscator getDeobfuscator()
+	public static Deobfuscator getDeobfuscator() throws FallbackException
 	{
 		return new Deobfuscator(loader);
 	}
 
 	/**
 	 * @return Transformers wrapper.
 	 */
-	public static Transformers getTransformers()
+	public static Transformers getTransformers() throws FallbackException
 	{
 		return new Transformers(loader);
 	}