add the javaUseXcheck option to ServerGame to allow for use of the jni linting/checking system, which spams shitloads of output

engine/server/library/serverGame/src/shared/core/ConfigServerGame.cpp

@@ -103,6 +103,7 @@ void ConfigServerGame::install(void)
 	KEY_INT     (jediUpdateLocationTimeSeconds, 60 * 5);
 	KEY_STRING  (planetObjectTemplate, "object/planet/planet.iff");
 	KEY_BOOL    (javaConsoleDebugMessages, false);
+	KEY_BOOL    (javaUseXcheck, false);	 
 	KEY_BOOL    (useVerboseJava, false);
 	KEY_BOOL    (logJavaGc, false);
 	KEY_INT     (javaLocalRefLimit, 16);

engine/server/library/serverGame/src/shared/core/ConfigServerGame.h

@@ -110,6 +110,7 @@ class ConfigServerGame
 		int             universeCheckFrequencySeconds; // how often to scan the resource tree for things that need to be spawned
 
 		bool            javaConsoleDebugMessages;
+		bool		javaUseXcheck;
 		bool            useVerboseJava;
 		bool            logJavaGc;
 		int             javaLocalRefLimit;
@@ -670,6 +671,7 @@ class ConfigServerGame
 	static const int        getUniverseCheckFrequencySeconds(void);
 
 	static const bool       getJavaConsoleDebugMessages (void);
+	static const bool	getUseJavaXcheck	    (void);
 	static const bool       getUseVerboseJava           (void);
 	static const bool       getLogJavaGc                (void);
 
@@ -1476,6 +1478,13 @@ inline const bool ConfigServerGame::getJavaConsoleDebugMessages()
 
 //-----------------------------------------------------------------------
 
+inline const bool ConfigServerGame::getUseJavaXcheck()
+{
+        return data->javaUseXcheck;
+}
+
+//-----------------------------------------------------------------------
+
 inline const bool ConfigServerGame::getUseVerboseJava(void)
 {
 	return data->useVerboseJava;

engine/server/library/serverScript/src/shared/JavaLibrary.cpp

@@ -1168,17 +1168,18 @@ void JavaLibrary::initializeJavaThread()
 
 // java 1.8 and higher uses metaspace...which is apparently unlimited by default
 #if defined(JNI_VERSION_1_8) || defined(JNI_VERSION_1_9)
-		        tempOption.optionString = "-XX:MetaspaceSize=512m";
+		        tempOption.optionString = "-XX:MetaspaceSize=128m";
 		        options.push_back(tempOption);
 #endif
 
-// these don't seem to play nice with java/JNI >= 7
-#if !defined(JNI_VERSION_1_9) && !defined(JNI_VERSION_1_8) && !defined(JNI_VERSION_1_7)
 			tempOption.optionString = "-Xrs";
 			options.push_back(tempOption);
-			tempOption.optionString = "-Xcheck:jni";
-			options.push_back(tempOption);
-#endif
+
+			if (ConfigServerGame::getUseJavaXcheck())
+			{
+				tempOption.optionString = "-Xcheck:jni";
+				options.push_back(tempOption);
+			}
 
 			if (ConfigServerGame::getCompileScripts())
 			{