add close to script services

modules/elasticsearch/src/main/java/org/elasticsearch/node/internal/InternalNode.java

@@ -70,6 +70,7 @@ import org.elasticsearch.rest.RestModule;
 import org.elasticsearch.river.RiversManager;
 import org.elasticsearch.river.RiversModule;
 import org.elasticsearch.script.ScriptModule;
+import org.elasticsearch.script.ScriptService;
 import org.elasticsearch.search.SearchModule;
 import org.elasticsearch.search.SearchService;
 import org.elasticsearch.threadpool.ThreadPool;
@@ -265,7 +266,6 @@ public final class InternalNode implements Node {
         injector.getInstance(RestController.class).close();
         stopWatch.stop().start("transport");
         injector.getInstance(TransportService.class).close();
-        stopWatch.stop().start("http_client");
 
         for (Class<? extends LifecycleComponent> plugin : pluginsService.services()) {
             stopWatch.stop().start("plugin(" + plugin.getName() + ")");
@@ -275,6 +275,9 @@ public final class InternalNode implements Node {
         stopWatch.stop().start("node_cache");
         injector.getInstance(NodeCache.class).close();
 
+        stopWatch.stop().start("script");
+        injector.getInstance(ScriptService.class).close();
+
         stopWatch.stop().start("timer");
         injector.getInstance(TimerService.class).close();
         stopWatch.stop().start("thread_pool");

modules/elasticsearch/src/main/java/org/elasticsearch/script/ScriptEngineService.java

@@ -33,4 +33,6 @@ public interface ScriptEngineService {
     ExecutableScript executable(Object compiledScript, Map<String, Object> vars);
 
     Object execute(Object compiledScript, Map<String, Object> vars);
+
+    void close();
 }

modules/elasticsearch/src/main/java/org/elasticsearch/script/ScriptService.java

@@ -64,6 +64,12 @@ public class ScriptService extends AbstractComponent {
         this.scriptEngines = builder.build();
     }
 
+    public void close() {
+        for (ScriptEngineService engineService : scriptEngines.values()) {
+            engineService.close();
+        }
+    }
+
     public CompiledScript compile(String script) {
         return compile(defaultLang, script);
     }

modules/elasticsearch/src/main/java/org/elasticsearch/script/mvel/MvelScriptEngineService.java

@@ -55,6 +55,10 @@ public class MvelScriptEngineService extends AbstractComponent implements Script
         }
     }
 
+    @Override public void close() {
+        // nothing to do here...
+    }
+
     @Override public String[] types() {
         return new String[]{"mvel"};
     }

plugins/lang/groovy/src/main/java/org/elasticsearch/script/groovy/GroovyScriptEngineService.java

@@ -46,6 +46,10 @@ public class GroovyScriptEngineService extends AbstractComponent implements Scri
         this.loader = new GroovyClassLoader(settings.getClassLoader());
     }
 
+    @Override public void close() {
+        loader.clearCache();
+    }
+
     @Override public String[] types() {
         return new String[]{"groovy"};
     }

plugins/lang/javascript/src/main/java/org/elasticsearch/script/javascript/JavaScriptScriptEngineService.java

@@ -60,6 +60,10 @@ public class JavaScriptScriptEngineService extends AbstractComponent implements
         }
     }
 
+    @Override public void close() {
+
+    }
+
     @Override public String[] types() {
         return new String[]{"js", "javascript"};
     }