Fixed Logger handling....

Author: RealMangorage

src/main/java/org/mangorage/bootstrap/api/logging/ILoggerFactory.java

@@ -14,6 +14,12 @@ static ILoggerFactory getDefault() {
      */
     ILoggerProvider getProvider(String providerName);
 
+    /**
+     * Checks if a logger provider with the given name is available. The name is defined by the provider itself
+     * and can be used to differentiate between multiple providers.
+     */
+    boolean hasProvider(String providerName);
+
     /**
      * Gets the wrapped logger provider by its name. This is used to get the underlying logger provider
      * Sometimes providers come in later then originally requested, so this method can be used to use the provider after it has been loaded.

src/main/java/org/mangorage/bootstrap/internal/logger/DeferredMangoLogger.java

@@ -21,7 +21,7 @@ public DeferredMangoLogger(String provider, Function<ILoggerProvider, IMangoLogg
 
     @Override
     public IMangoLogger get() {
-        if (logger == null) {
+        if (logger == null && ILoggerFactory.getDefault().hasProvider(provider)) {
             synchronized (this) {
                 if (logger == null) {
                     ILoggerProvider loggerProvider = ILoggerFactory.getDefault().getProvider(provider);