Cleanup after plugins which don't sucessfully enable

This change closes the plugin via the plugin manager, which disables
the plugin, as intended, but also cleans up after the plugin, preventing
any further errors or issues caused by tasks scheduled by the plugin before
it failed.

Spigot-API-Patches/0099-Close-Plugin-Class-Loaders-on-Disable.patch

@@ -1,4 +1,4 @@
-From 9e6d679a2e1a3956d445cf4a45b317dafd5ab8b0 Mon Sep 17 00:00:00 2001
+From 58698c7b920454d0f0171be3ff53e4df1471dc44 Mon Sep 17 00:00:00 2001
 From: Aikar <aikar@aikar.co>
 Date: Tue, 1 May 2018 21:33:35 -0400
 Subject: [PATCH] Close Plugin Class Loaders on Disable
@@ -7,7 +7,7 @@ This should close more memory leaks from /reload and disabling plugins,
 by closing the class loader and the jar file.
 
 diff --git a/src/main/java/org/bukkit/plugin/PluginLoader.java b/src/main/java/org/bukkit/plugin/PluginLoader.java
-index e7981a1d..d34756f1 100644
+index e7981a1d9..d34756f15 100644
 --- a/src/main/java/org/bukkit/plugin/PluginLoader.java
 +++ b/src/main/java/org/bukkit/plugin/PluginLoader.java
 @@ -73,4 +73,19 @@ public interface PluginLoader {
@@ -31,7 +31,7 @@ index e7981a1d..d34756f1 100644
 +    // Paper end - close Classloader on disable
  }
 diff --git a/src/main/java/org/bukkit/plugin/PluginManager.java b/src/main/java/org/bukkit/plugin/PluginManager.java
-index e5638d56..b72d5a9b 100644
+index e5638d560..b72d5a9bc 100644
 --- a/src/main/java/org/bukkit/plugin/PluginManager.java
 +++ b/src/main/java/org/bukkit/plugin/PluginManager.java
 @@ -154,6 +154,18 @@ public interface PluginManager {
@@ -54,7 +54,7 @@ index e5638d56..b72d5a9b 100644
       * Gets a {@link Permission} from its fully qualified name
       *
 diff --git a/src/main/java/org/bukkit/plugin/SimplePluginManager.java b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
-index bd0588a2..cb2b0b9c 100644
+index bd0588a20..cb2b0b9cb 100644
 --- a/src/main/java/org/bukkit/plugin/SimplePluginManager.java
 +++ b/src/main/java/org/bukkit/plugin/SimplePluginManager.java
 @@ -412,17 +412,29 @@ public final class SimplePluginManager implements PluginManager {
@@ -100,7 +100,7 @@ index bd0588a2..cb2b0b9c 100644
              lookupNames.clear();
              HandlerList.unregisterAll();
 diff --git a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
-index 72d506d1..3cff01b6 100644
+index 72d506d1f..3411a365c 100644
 --- a/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
 +++ b/src/main/java/org/bukkit/plugin/java/JavaPluginLoader.java
 @@ -319,7 +319,7 @@ public final class JavaPluginLoader implements PluginLoader {
@@ -108,7 +108,7 @@ index 72d506d1..3cff01b6 100644
                  server.getLogger().log(Level.SEVERE, "Error occurred while enabling " + plugin.getDescription().getFullName() + " (Is it up to date?)", ex);
                  // Paper start - Disable plugins that fail to load
 -                disablePlugin(jPlugin);
-+                disablePlugin(jPlugin, true); // Paper - close Classloader on disable - She's dead jim
++                server.getPluginManager().disablePlugin(jPlugin, true); // Paper - close Classloader on disable - She's dead jim
                  return;
                  // Paper end
              }
@@ -144,5 +144,5 @@ index 72d506d1..3cff01b6 100644
          }
      }
 -- 
-2.18.0
+2.19.1