JAL-2216 finalize call super.finalize()

[jalview.git] / src / jalview / javascript / JSFunctionExec.java

diff --git a/src/jalview/javascript/JSFunctionExec.java b/src/jalview/javascript/JSFunctionExec.java
index cd9ca88..6daf275 100644 (file)
--- a/src/jalview/javascript/JSFunctionExec.java
+++ b/src/jalview/javascript/JSFunctionExec.java
@@ -20,11 +20,12 @@
  */
 package jalview.javascript;
 
+import jalview.bin.JalviewLite;
+
 import java.net.URL;
 import java.util.Vector;
 
 import netscape.javascript.JSObject;
-import jalview.bin.JalviewLite;
 
 public class JSFunctionExec implements Runnable
 {
@@ -38,7 +39,8 @@ public class JSFunctionExec implements Runnable
     jvlite.setExecutor(this);
   }
 
-  public void finalize()
+  @Override
+  protected void finalize() throws Throwable
   {
     jvlite = null;
     executor = null;
@@ -47,6 +49,7 @@ public class JSFunctionExec implements Runnable
       jsExecQueue.clear();
     }
     jsExecQueue = null;
+    super.finalize();
   }
 
   private Vector jsExecQueue;
@@ -81,6 +84,7 @@ public class JSFunctionExec implements Runnable
     executor = null;
   }
 
+  @Override
   public void run()
   {
     while (jsExecQueue != null)
@@ -163,6 +167,7 @@ public class JSFunctionExec implements Runnable
     final Exception[] jsex = new Exception[1];
     Runnable exec = new Runnable()
     {
+      @Override
       public void run()
       {
         try
@@ -195,7 +200,7 @@ public class JSFunctionExec implements Runnable
             if (jex instanceof netscape.javascript.JSException
                     && jvlite.jsfallbackEnabled)
             {
-              jsex[0] = (netscape.javascript.JSException) jex;
+              jsex[0] = jex;
               if (jvlite.debug)
               {
                 System.err.println("Falling back to javascript: url call");