[Bleeding] Skip InvocationTargetException. Addresses BUKKIT-774

By: Wesley Wolfe <weswolf@aol.com>

paper-api/src/main/java/org/bukkit/configuration/serialization/ConfigurationSerialization.java

@@ -1,6 +1,7 @@
 package org.bukkit.configuration.serialization;
 
 import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.HashMap;
@@ -68,7 +69,10 @@ public class ConfigurationSerialization {
                 return result;
             }
         } catch (Throwable ex) {
-            Logger.getLogger(ConfigurationSerialization.class.getName()).log(Level.SEVERE, "Could not call method '" + method.toString() + "' of " + clazz + " for deserialization", ex);
+            Logger.getLogger(ConfigurationSerialization.class.getName()).log(
+                    Level.SEVERE,
+                    "Could not call method '" + method.toString() + "' of " + clazz + " for deserialization",
+                    ex instanceof InvocationTargetException ? ex.getCause() : ex);
         }
 
         return null;
@@ -78,7 +82,10 @@ public class ConfigurationSerialization {
         try {
             return ctor.newInstance(args);
         } catch (Throwable ex) {
-            Logger.getLogger(ConfigurationSerialization.class.getName()).log(Level.SEVERE, "Could not call constructor '" + ctor.toString() + "' of " + clazz + " for deserialization", ex);
+            Logger.getLogger(ConfigurationSerialization.class.getName()).log(
+                    Level.SEVERE,
+                    "Could not call constructor '" + ctor.toString() + "' of " + clazz + " for deserialization",
+                    ex instanceof InvocationTargetException ? ex.getCause() : ex);
         }
 
         return null;

paper-api/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java

@@ -5,6 +5,7 @@ import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.Constructor;
+import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.net.URL;
 import java.util.ArrayList;
@@ -143,6 +144,8 @@ public class JavaPluginLoader implements PluginLoader {
             result = constructor.newInstance();
 
             result.initialize(this, server, description, dataFolder, file, loader);
+        } catch (InvocationTargetException ex) {
+            throw new InvalidPluginException(ex.getCause());
         } catch (Throwable ex) {
             throw new InvalidPluginException(ex);
         }
@@ -298,6 +301,8 @@ public class JavaPluginLoader implements PluginLoader {
                             return;
                         }
                         method.invoke(listener, event);
+                    } catch (InvocationTargetException ex) {
+                        throw new EventException(ex.getCause());
                     } catch (Throwable t) {
                         throw new EventException(t);
                     }