Unset script engine variables after scripts complete, allowing memory to be freed up sooner - see also r7252

* ScriptResource.java, ActionDirectory.java, ScriptedDecideRule.java

engine/src/main/java/org/archive/crawler/framework/ActionDirectory.java

@@ -324,7 +324,10 @@ public class ActionDirectory implements ApplicationContextAware, Lifecycle, Runn
             ex = e;
         } catch (RuntimeException e) {
             ex = e;
-        } 
+        } finally {
+            engine.put("rawOut", null);
+            engine.put("appCtx", null);
+        }
 
         // report output/exception to files paired with script in done dir
         rawOut.flush();

engine/src/main/java/org/archive/crawler/restlet/ScriptResource.java

@@ -112,6 +112,12 @@ public class ScriptResource extends JobRelatedResource {
             rawOutput = rawString.toString();
             htmlOut.flush();
             htmlOutput = htmlString.toString();
+
+            eng.put("rawOut", null);
+            eng.put("htmlOut", null);
+            eng.put("job", null);
+            eng.put("appCtx", null);
+            eng.put("scriptResource", null);
         }
         //TODO: log script, results somewhere; job log INFO? 
         

modules/src/main/java/org/archive/modules/deciderules/ScriptedDecideRule.java

@@ -132,7 +132,9 @@ implements ApplicationContextAware, InitializingBean {
             } catch (ScriptException e) {
                 logger.log(Level.WARNING,e.getMessage(),e);
                 return DecideResult.NONE;
-            } 
+            } finally {
+                engine.put("object", null);
+            }
         }
     }