additional tracery to track down the persistent OutOfMemoryError on EMinds

src/com/silverwrist/venice/ui/script/ScriptManager.java

@@ -73,21 +73,21 @@ public class ScriptManager
     public void fatal(Object message)
     {
       if (logger_stack.size()>0)
-	((Category)(logger_stack.getFirst())).fatal(message);
+	((Logger)(logger_stack.getFirst())).fatal(message);
 
     } // end fatal
 
     public void error(Object message)
     {
       if (logger_stack.size()>0)
-	((Category)(logger_stack.getFirst())).error(message);
+	((Logger)(logger_stack.getFirst())).error(message);
 
     } // end error
 
     public void warn(Object message)
     {
       if (logger_stack.size()>0)
-	((Category)(logger_stack.getFirst())).warn(message);
+	((Logger)(logger_stack.getFirst())).warn(message);
 
     } // end warn
 
@@ -95,9 +95,9 @@ public class ScriptManager
     {
       if (logger_stack.size()>0)
       { // check to make sure info is enabled first
-	Category cat = (Category)(logger_stack.getFirst());
+	Logger l = (Logger)(logger_stack.getFirst());
-	if (cat.isInfoEnabled())
+	if (l.isInfoEnabled())
-	  cat.info(message);
+	  l.info(message);
 
       } // end if
 
@@ -107,9 +107,9 @@ public class ScriptManager
     {
       if (logger_stack.size()>0)
       { // check to make sure debug is enabled first
-	Category cat = (Category)(logger_stack.getFirst());
+	Logger l = (Logger)(logger_stack.getFirst());
-	if (cat.isDebugEnabled())
+	if (l.isDebugEnabled())
-	  cat.debug(message);
+	  l.debug(message);
 
       } // end if
 
@@ -122,7 +122,7 @@ public class ScriptManager
    *--------------------------------------------------------------------------------
    */
 
-  private static Category logger = Category.getInstance(ScriptManager.class);
+  private static Logger logger = Logger.getLogger(ScriptManager.class);
 
   private static final Class[] fixupRhino_parmtypes = { Boolean.TYPE };
   private static final Object[] fixupRhino_parms = { Boolean.FALSE };
@@ -150,6 +150,9 @@ public class ScriptManager
    */
   public ScriptManager(String temp_dir) throws ScriptingException
   {
+    if (logger.isDebugEnabled())
+      logger.debug("creating new ScriptManager");
+
     // initialize the BSFManager
     mgr = new BSFManager();
     mgr.setTempDir(temp_dir);
@@ -337,7 +340,7 @@ public class ScriptManager
       lang = mgr.getLangFromFilename(filename);
       code = IOUtil.loadText(file);
       if (logger.isDebugEnabled())
-	logger.debug("Code language is " + lang);
+	logger.debug("Code language is " + lang + ", loaded " + code.length() + " characters");
 
     } // end try
     catch (BSFException e)
@@ -352,7 +355,7 @@ public class ScriptManager
     } // end catch
 
     if (logger_name!=null)  // push a new logger onto the stack
-      logger_stack.addFirst(Category.getInstance(logger_name));
+      logger_stack.addFirst(Logger.getLogger(logger_name));
     if (sro!=null)
       return_stack.addFirst(sro);
 

src/com/silverwrist/venice/ui/servlet/BaseServlet.java

@@ -151,6 +151,10 @@ public abstract class BaseServlet extends HttpServlet
       if (record_user)
 	NDC.push(the_request.getUser().getUserName());
 
+      // log start of request
+      if (logger.isDebugEnabled())
+	logger.debug("Begin Request: " + str_request);
+
       try
       { // run the actual operation!
 	Object my_output;   // the output we get from the user
@@ -227,6 +231,10 @@ public abstract class BaseServlet extends HttpServlet
 	memlog.info("After: " + str_request + " Cur: " + r.totalMemory() + " Max: " + r.maxMemory() + " Free: "
 		    + r.freeMemory());
 
+	// log end of request
+	if (logger.isDebugEnabled())
+	  logger.debug("End Request: " + str_request);
+
 	// make sure and pop the diagnostic context, if it was pushed
 	if (record_user)
 	  NDC.pop();

src/com/silverwrist/venice/ui/servlet/RequestImpl.java

@@ -454,6 +454,7 @@ public class RequestImpl implements RequestInput
    */
 
   private static Logger logger = Logger.getLogger(RequestImpl.class);
+  private static int serial_gen = 1;
 
   private static final String APP_ATTRIBUTE_STEM = "com.silverwrist.venice.ui.variables.";
 
@@ -467,6 +468,7 @@ public class RequestImpl implements RequestInput
    *--------------------------------------------------------------------------------
    */
 
+  private int serial;                                    // serial number of this request
   private ServletContext ctxt;                           // the servlet context
   private HttpServletRequest request;                    // the servlet request data
   private HttpServletResponse response;                  // the servlet response data
@@ -504,6 +506,12 @@ public class RequestImpl implements RequestInput
     this.engine = engine;
     this.config = config;
 
+    synchronized (RequestImpl.class)
+    { // add serial number
+      this.serial = serial_gen++;
+
+    } // end synchronized block
+
     if (request.getMethod().equals("POST"))
     { // POSTs can have special handling for the request data
       if (request.getContentType().startsWith("text/xml"))
@@ -763,8 +771,9 @@ public class RequestImpl implements RequestInput
 
   public String toString()
   {
-    StringBuffer buf = new StringBuffer("{RequestImpl from [");
+    StringBuffer buf = new StringBuffer("{RequestImpl #");
-    buf.append(request.getRemoteAddr()).append("] for ").append(request.getServletPath()).append("}");
+    buf.append(serial).append("from [").append(request.getRemoteAddr()).append("] for ");
+    buf.append(request.getServletPath()).append("}");
     return buf.toString();
 
   } // end toString

src/com/silverwrist/venice/ui/servlet/ScriptExecServlet.java

@@ -11,7 +11,7 @@
  * 
  * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
  * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
- * Copyright (C) 2001-02 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
+ * Copyright (C) 2001-04 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
  * 
  * Contributor(s): 
  */
@@ -30,7 +30,7 @@ public class ScriptExecServlet extends BaseServlet
    *--------------------------------------------------------------------------------
    */
 
-  private static Category logger = Category.getInstance(ScriptExecServlet.class);
+  private static Logger logger = Logger.getLogger(ScriptExecServlet.class);
 
   /*--------------------------------------------------------------------------------
    * Implementations from class BaseServlet
@@ -39,17 +39,31 @@ public class ScriptExecServlet extends BaseServlet
 
   public Object process(RequestInput req) throws Exception, ThrowableContent
   {
+    String str_req = req.toString();
+    if (logger.isDebugEnabled())
+      logger.debug("Begin ScriptExecServlet.process for " + str_req);
+    try
+    { // get the script file name and logger name
       ScriptSupport ssup = (ScriptSupport)(req.queryService(ScriptSupport.class));
       String script_file = ssup.getScriptName(true);
       String logger_name = ssup.getScriptLoggerName();
       if (logger.isDebugEnabled())
 	logger.debug("EXECUTING " + script_file);
 
+      // execute it!
       ScriptManager smgr = (ScriptManager)(req.queryService(ScriptManager.class));
       ScriptReturn sro = new ScriptReturn();
       smgr.exec(new File(script_file),logger_name,sro);
       return sro.get();
 
+    } // end try
+    finally
+    { // output "end" message
+      if (logger.isDebugEnabled())
+	logger.debug("End ScriptExecServlet.process for " + str_req);
+
+    } // end finally
+
   } // end process
 
 } // end class ScriptExecServlet