diff --git a/Geoweaver.war b/Geoweaver.war
new file mode 100644
index 000000000..964fd8b79
Binary files /dev/null and b/Geoweaver.war differ
diff --git a/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.js b/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.js
index 8ba3a8461..b007fd2af 100644
--- a/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.js
+++ b/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.js
@@ -18,7 +18,7 @@ edu = {
 							
 					sponsor: "ESIPLab incubator project",
 					
-					version: "0.7.8",
+					version: "0.7.9",
 					
 					author: "Ziheng Sun",
 					
diff --git a/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.process.js b/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.process.js
index 583a4056b..91b9aa9d8 100644
--- a/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.process.js
+++ b/WebContent/geoweaver/js/edu.gmu.csiss.geoweaver.process.js
@@ -16,6 +16,8 @@ edu.gmu.csiss.geoweaver.process = {
 		
 		envlist: {},
 		
+		cmid: null,  //the id used to differentiate the dialogs
+		
 		builtin_processes: [
 			
 			{"operation":"ShowResultMap", "params":[{"name":"resultfile", "min_occurs": 1, "max_occurs": 1}]}, //multiple occurs are something for later
@@ -84,7 +86,7 @@ edu.gmu.csiss.geoweaver.process = {
 			
 			var valid = false;
 			
-			if($("#processname").val()){
+			if($("#processname-"+edu.gmu.csiss.geoweaver.process.cmid).val()){
 					
 //					&&this.editor.getValue()){
 				
@@ -96,56 +98,33 @@ edu.gmu.csiss.geoweaver.process = {
 			
 		},
 		
-		showShell: function(code){
+		showShell: function(code, cmid){
 			
-			$("#codearea").append('<textarea id="codeeditor" placeholder="Code goes here..."></textarea>');
+			$("#codearea-"+edu.gmu.csiss.geoweaver.process.cmid).append('<textarea id="codeeditor-'+cmid+'" placeholder="Code goes here..."></textarea>');
 			
         	//initiate the code editor
 			
-			edu.gmu.csiss.geoweaver.process.editor = CodeMirror.fromTextArea(document.getElementById("codeeditor"), {
+			edu.gmu.csiss.geoweaver.process.editor = CodeMirror.fromTextArea(document.getElementById("codeeditor-" + cmid), {
+        		
+        		lineNumbers: true,
         		
-	        		lineNumbers: true,
-	        		
-	        		lineWrapping: true,
-	        		
-	        		extraKeys: {
-	        			
-		    		    "Ctrl-S": function(instance) { 
-		    		    	
-		    		    	edu.gmu.csiss.geoweaver.process.update(edu.gmu.csiss.geoweaver.process.current_pid);
-		    		    	
-		    		     }
-		    		}
-				
-	        	});
+        		lineWrapping: true,
+        		
+        		extraKeys: {
+        			
+	    		    "Ctrl-S": function(instance) { 
+	    		    	
+	    		    	edu.gmu.csiss.geoweaver.process.update(edu.gmu.csiss.geoweaver.process.current_pid, cmid);
+	    		    	
+	    		     }
+	    		}
+			
+        	});
 			
 			$(".CodeMirror").css('font-size',"10pt");
 			
 			edu.gmu.csiss.geoweaver.process.editor.setSize(null, 360);
 			
-//			var cmds = CodeMirror.commands;
-//			
-//			cmds.saveCode = function(cm){
-//				
-//				console.log("save code is triggered");
-////				edu.gmu.csiss.geoweaver.process.update(edu.gmu.csiss.geoweaver.process.current_id);
-//				
-//			}
-//			
-//			var keyMap = CodeMirror.keyMap;
-//			
-//			keyMap.macSublime = {
-//				    "Cmd-S": "saveCode",
-//			};
-//			
-//			CodeMirror.normalizeKeyMap(keyMap.macSublime);
-//			
-//			keyMap.pcSublime = {
-//				    "Ctrl-S": "saveCode",
-//			};
-//			
-//			CodeMirror.normalizeKeyMap(keyMap.pcSublime);
-			
 			if(code!=null){
 				
 				edu.gmu.csiss.geoweaver.process.editor.setValue(edu.gmu.csiss.geoweaver.process.unescape(code));
@@ -222,28 +201,30 @@ edu.gmu.csiss.geoweaver.process = {
 			
 		},
 		
-		showPython: function(code){
-			
-			$("#codearea").append('<textarea id="codeeditor" placeholder="Code goes here..."></textarea>');
-			
-				//initiate the code editor
-				
-				edu.gmu.csiss.geoweaver.process.editor = CodeMirror.fromTextArea(document.getElementById("codeeditor"), {
-	        		
-	        		lineNumbers: true,
-	        		
-	        		lineWrapping: true,
-	        		
-	        		extraKeys: {
-	        			
-		    		    "Ctrl-S": function(instance) { 
-		    		    	
-		    		    	edu.gmu.csiss.geoweaver.process.update(edu.gmu.csiss.geoweaver.process.current_pid);
-		    		    	
-		    		     }
-	        		}
-	        		
-	        	});
+		showPython: function(code, cmid){
+			
+//			var cmid = Math.floor(Math.random() * 100);
+			
+			$("#codearea-"+cmid).append('<textarea id="codeeditor-'+cmid+'" placeholder="Code goes here..."></textarea>');
+			
+			//initiate the code editor
+			
+			edu.gmu.csiss.geoweaver.process.editor = CodeMirror.fromTextArea(document.getElementById("codeeditor-" + cmid), {
+        		
+        		lineNumbers: true,
+        		
+        		lineWrapping: true,
+        		
+        		extraKeys: {
+        			
+	    		    "Ctrl-S": function(instance) { 
+	    		    	
+	    		    	edu.gmu.csiss.geoweaver.process.update(edu.gmu.csiss.geoweaver.process.current_pid, cmid);
+	    		    	
+	    		     }
+        		}
+        		
+        	});
 				
 			$(".CodeMirror").css('font-size',"10pt");
 			
@@ -261,7 +242,7 @@ edu.gmu.csiss.geoweaver.process = {
 			
 		},
 		
-		showJupyter: function(code){
+		showJupyter: function(code, cmid){
 			
 			var cont = '<div class="row"  style="font-size:12px;"><div class="col col-md-12"> <span class="required-mark">*</span> This panel is for importing and editing jupyter notebooks. The execution is by nbconvert.</div></div>'+
 				'<div class="row"><div class="col col-md-6"><div id="controls" style="font-size:12px;"> '+
@@ -271,29 +252,27 @@ edu.gmu.csiss.geoweaver.process = {
 		        '  <div class="input-group-append"> '+
 		        '    <button class="btn btn-outline-secondary" id="load_jupyter_url" type="button">Import</button> '+
 		        '  </div> '+
-		        '</div></div></div> <div id="jupyter_area"></div>';
+		        '</div></div></div> <div id="jupyter_area-'+cmid+'"></div>';
 			
-			$("#codearea").append(cont);
+			$("#codearea-"+cmid).append(cont);
 			
 			this.load_jupyter();
 			
 			if(code!=null && typeof code != 'undefined'){
-				
 				if(typeof code != 'object'){
 					code = $.parseJSON(code);
 				}
 				var notebook = nb.parse(code);
 				var rendered = notebook.render();
-				$("#jupyter_area").append(rendered);
-				
+				$("#jupyter_area-"+cmid).append(rendered);
 			}
 			
 		},
 		
-		showBuiltinProcess: function(code){
+		showBuiltinProcess: function(code, cmid){
 			
 			var cont = '     <label for="builtinprocess" class="col-sm-4 col-form-label control-label" style="font-size:12px;" >Select a process: </label>'+
-			'     <div class="col-sm-8"> <select class="form-control" id="builtin_processes">';
+			'     <div class="col-sm-8"> <select class="form-control" id="builtin_processes-'+cmid+'">';
 			
 			for(var i=0;i<edu.gmu.csiss.geoweaver.process.builtin_processes.length;i++){
 				
@@ -314,13 +293,13 @@ edu.gmu.csiss.geoweaver.process = {
 				
 			}
 			
-			$("#codearea").append(cont);
+			$("#codearea-"+cmid).append(cont);
 			
 			if(code!=null){
 				
 				code = $.parseJSON(code);
 				
-				$("#builtin_processes").val(code.operation);
+				$("#builtin_processes-"+cmid).val(code.operation);
 				
 				for(var i=0;i<code.params.length;i++){
 					
@@ -332,15 +311,15 @@ edu.gmu.csiss.geoweaver.process = {
 			
 		},
 		
-		getCode: function(){
+		getCode: function(cmid){
 			
 			var code = null;
 			
-			if($("#processcategory").val()=="shell"){
+			if($("#processcategory-"+cmid).val()=="shell"){
 				
 				code = edu.gmu.csiss.geoweaver.process.editor.getValue();
 				
-			}else if($("#processcategory").val()=="builtin"){
+			}else if($("#processcategory-"+cmid).val()=="builtin"){
 				
 				var params = [];
 				
@@ -366,13 +345,14 @@ edu.gmu.csiss.geoweaver.process = {
 						
 				}
 				
-			}else if($("#processcategory").val()=="jupyter"){
+			}else if($("#processcategory-"+cmid).val()=="jupyter"){
 				
 				code = edu.gmu.csiss.geoweaver.process.jupytercode;
 				
-			}else if($("#processcategory").val()=="python"){
+			}else if($("#processcategory-"+cmid).val()=="python"){
 				
 				code = edu.gmu.csiss.geoweaver.process.editor.getValue();
+//				code = $("#codeeditor-" + cmid).val();
 			}
 			
 			return code;
@@ -386,8 +366,8 @@ edu.gmu.csiss.geoweaver.process = {
 				'</div>';
 			
 			content += '<div class="modal-footer">' +
-				"<button type=\"button\" id=\"add-process\" class=\"btn btn-outline-primary\">Add</button> "+
-				"<button type=\"button\" id=\"run-process\" class=\"btn btn-outline-secondary\">Run</button>"+
+				"<button type=\"button\" id=\"add-process-"+edu.gmu.csiss.geoweaver.process.cmid+"\" class=\"btn btn-outline-primary\">Add</button> "+
+				"<button type=\"button\" id=\"run-process-"+edu.gmu.csiss.geoweaver.process.cmid+"\" class=\"btn btn-outline-secondary\">Run</button>"+
 				'</div>';
 			
 			var width = 720; var height = 640;
@@ -424,58 +404,50 @@ edu.gmu.csiss.geoweaver.process = {
                 
             });
             
-            frame.on('#history-process-d', 'click', (_frame, evt) => {
-	            	edu.gmu.csiss.geoweaver.process.recent(20);
-	            	_frame.closeFrame();
-            });
-            
-            frame.on('#history-workflow-d', 'click', (_frame, evt) => {
-	            	edu.gmu.csiss.geoweaver.workflow.recent(20);
-	            	_frame.closeFrame();
-            });
-            
 	    	//Show the window
 	    	frame.show();
 	    	
 	    	frame.setPosition((window.innerWidth - width) / 2, (window.innerHeight -height) / 2, 'LEFT_TOP');
 	    	
-	    	edu.gmu.csiss.geoweaver.process.showShell();
+	    	edu.gmu.csiss.geoweaver.process.showShell(null, edu.gmu.csiss.geoweaver.process.cmid);
         	
-        	$("#processcategory").on('change', function() {
+        	$("#processcategory-"+edu.gmu.csiss.geoweaver.process.cmid).on('change', function() {
         		
-        		$("#codearea").empty();
+        		console.log(this.id);
+        		
+        		$("#codearea-"+edu.gmu.csiss.geoweaver.process.cmid).empty();
         		
         		if( this.value == "shell"){
         			
-        			edu.gmu.csiss.geoweaver.process.showShell();
+        			edu.gmu.csiss.geoweaver.process.showShell(null,edu.gmu.csiss.geoweaver.process.cmid);
         			  
         		}else if(this.value == "builtin"){
         			
-        			edu.gmu.csiss.geoweaver.process.showBuiltinProcess();
+        			edu.gmu.csiss.geoweaver.process.showBuiltinProcess(null,edu.gmu.csiss.geoweaver.process.cmid);
         			  
         		}else if(this.value == "jupyter"){
         			
-        			edu.gmu.csiss.geoweaver.process.showJupyter(edu.gmu.csiss.geoweaver.process.jupytercode);
+        			edu.gmu.csiss.geoweaver.process.showJupyter(null, edu.gmu.csiss.geoweaver.process.jupytercode,edu.gmu.csiss.geoweaver.process.cmid);
         			
         		}else if(this.value == "python"){
         			
-        			edu.gmu.csiss.geoweaver.process.showPython();
+        			edu.gmu.csiss.geoweaver.process.showPython(null, edu.gmu.csiss.geoweaver.process.cmid);
         			
         		}
         		
         	});
         	
-        	$("#add-process").click(function(){
+        	$("#add-process-" + edu.gmu.csiss.geoweaver.process.cmid).click(function(){
         		
-        		edu.gmu.csiss.geoweaver.process.add(false);
+        		edu.gmu.csiss.geoweaver.process.add(false,edu.gmu.csiss.geoweaver.process.cmid);
         		
         		frame.close();
         		
         	});
         	
-        	$("#run-process").click(function(){
+        	$("#run-process-" + edu.gmu.csiss.geoweaver.process.cmid).click(function(){
         		
-        		edu.gmu.csiss.geoweaver.process.add(true);
+        		edu.gmu.csiss.geoweaver.process.add(true,edu.gmu.csiss.geoweaver.process.cmid);
         		
         		frame.close();
         		
@@ -899,6 +871,14 @@ edu.gmu.csiss.geoweaver.process = {
 				
 			}).done(function(msg){
 				
+				if(msg==""){
+					
+					alert("Cannot find the process history in the database.");
+					
+					return;
+					
+				}
+				
 				msg = $.parseJSON(msg);
 				
 				var output = msg.output;
@@ -1088,11 +1068,13 @@ edu.gmu.csiss.geoweaver.process = {
 		
 		getProcessDialogTemplate: function(){
 			
+			edu.gmu.csiss.geoweaver.process.cmid = Math.floor(Math.random() * 1000);
+			
 			var content = '<div><form>'+
 		       '   <div class="form-group row required">'+
 		       '     <label for="processcategory" style="font-size: 12px;" class="col-sm-2 col-form-label control-label">Language</label>'+
 		       '     <div class="col-sm-4">'+
-		       '			<select class="form-control form-control-sm" id="processcategory">'+
+		       '			<select class="form-control form-control-sm" id="processcategory-'+edu.gmu.csiss.geoweaver.process.cmid+'">'+
 			   '    			<option value="shell">Shell</option>'+
 			   '    			<option value="builtin">Built-In Process</option>'+
 			   '    			<option value="jupyter">Jupyter Notebook</option>'+
@@ -1106,11 +1088,11 @@ edu.gmu.csiss.geoweaver.process = {
 //		       '   <div class="form-group row required">'+
 		       '     <label for="processname" style="font-size: 12px;" class="col-sm-2 col-form-label control-label">Name</label>'+
 		       '     <div class="col-sm-4">'+
-		       '			<input class="form-control form-control-sm" id="processname"></input>'+
+		       '			<input class="form-control form-control-sm" id="processname-'+edu.gmu.csiss.geoweaver.process.cmid+'"></input>'+
 		       '     </div>'+
 		       '   </div>'+
 		       
-		       '   <div class="form-group row required" id="codearea"></div>'+
+		       '   <div class="form-group row required" id="codearea-'+edu.gmu.csiss.geoweaver.process.cmid+'"></div>'+
 		       
 		       '   <p class="h6"> <span class="badge badge-secondary">Ctrl+S</span> to save edits.</p>'+
 		       ' </form></div>';
@@ -1139,8 +1121,8 @@ edu.gmu.csiss.geoweaver.process = {
 					edu.gmu.csiss.geoweaver.process.getProcessDialogTemplate() + '</div>';
 				
 				content += '<div class="modal-footer">' +
-					"	<button type=\"button\" id=\"edit-save-process\" class=\"btn btn-outline-primary\">Save</button> "+
-					"	<button type=\"button\" id=\"edit-run-process\" class=\"btn btn-outline-secondary\">Run</button>"+
+					"	<button type=\"button\" id=\"edit-save-process-"+edu.gmu.csiss.geoweaver.process.cmid+"\" class=\"btn btn-outline-primary\">Save</button> "+
+					"	<button type=\"button\" id=\"edit-run-process-"+edu.gmu.csiss.geoweaver.process.cmid+"\" class=\"btn btn-outline-secondary\">Run</button>"+
 					'</div>';
 				
 				var width = 720; var height = 640;
@@ -1177,16 +1159,6 @@ edu.gmu.csiss.geoweaver.process = {
 	                
 	            });
 	            
-	            frame.on('#history-process-d', 'click', (_frame, evt) => {
-		            	edu.gmu.csiss.geoweaver.process.recent(20);
-		            	_frame.closeFrame();
-	            });
-	            
-	            frame.on('#history-workflow-d', 'click', (_frame, evt) => {
-		            	edu.gmu.csiss.geoweaver.workflow.recent(20);
-		            	_frame.closeFrame();
-	            });
-	            
 		    	//Show the window
 		    	frame.show();
 		    	
@@ -1198,33 +1170,33 @@ edu.gmu.csiss.geoweaver.process = {
             	
             	var old_code = msg.code;
             	
-            	$("#processcategory").val(old_lang);
+            	$("#processcategory-"+edu.gmu.csiss.geoweaver.process.cmid).val(old_lang);
             	
-            	$("#processname").val(msg.name);
+            	$("#processname-"+edu.gmu.csiss.geoweaver.process.cmid).val(msg.name);
 
-            	$("#codearea").empty();
+            	$("#codearea-"+edu.gmu.csiss.geoweaver.process.cmid).empty();
         		
         		if( old_lang == "shell"){
         			
-	            	edu.gmu.csiss.geoweaver.process.showShell(old_code);
+	            	edu.gmu.csiss.geoweaver.process.showShell(old_code, edu.gmu.csiss.geoweaver.process.cmid);
         			  
         		}else if(old_lang == "builtin"){
         			
-        			edu.gmu.csiss.geoweaver.process.showBuiltinProcess(old_code);
+        			edu.gmu.csiss.geoweaver.process.showBuiltinProcess(old_code, edu.gmu.csiss.geoweaver.process.cmid);
         			
         		}else if(old_lang == "jupyter"){
         			
-        			edu.gmu.csiss.geoweaver.process.showJupyter(old_code);
+        			edu.gmu.csiss.geoweaver.process.showJupyter(old_code, edu.gmu.csiss.geoweaver.process.cmid);
         			
         		}else if(old_lang == "python"){
         			
-        			edu.gmu.csiss.geoweaver.process.showPython(old_code);
+        			edu.gmu.csiss.geoweaver.process.showPython(old_code, edu.gmu.csiss.geoweaver.process.cmid);
         			
         		}
             	
-            	$("#processcategory").on('change', function() {
+            	$("#processcategory-"+edu.gmu.csiss.geoweaver.process.cmid).on('change', function() {
             		
-            		$("#codearea").empty();
+            		$("#codearea-"+edu.gmu.csiss.geoweaver.process.cmid).empty();
             		
             		var old_code_new = null;
             		
@@ -1236,31 +1208,31 @@ edu.gmu.csiss.geoweaver.process = {
             		
             		if( this.value == "shell"){
             			
-    	            	edu.gmu.csiss.geoweaver.process.showShell(old_code_new);
+    	            	edu.gmu.csiss.geoweaver.process.showShell(old_code_new, edu.gmu.csiss.geoweaver.process.cmid);
             			  
             		}else if(this.value == "builtin"){
             			
-            			edu.gmu.csiss.geoweaver.process.showBuiltinProcess(old_code_new);
+            			edu.gmu.csiss.geoweaver.process.showBuiltinProcess(old_code_new, edu.gmu.csiss.geoweaver.process.cmid);
             			
             		}else if(this.value == "jupyter"){
             			
-            			edu.gmu.csiss.geoweaver.process.showJupyter(old_code_new);
+            			edu.gmu.csiss.geoweaver.process.showJupyter(old_code_new, edu.gmu.csiss.geoweaver.process.cmid);
             			
             		}else if(this.value == "python"){
             			
-            			edu.gmu.csiss.geoweaver.process.showPython(old_code_new);
+            			edu.gmu.csiss.geoweaver.process.showPython(old_code_new, edu.gmu.csiss.geoweaver.process.cmid);
             			
             		}
             		
             	});
             	
-            	$("#edit-save-process").click(function(){
+            	$("#edit-save-process-"+edu.gmu.csiss.geoweaver.process.cmid).click(function(){
             		
-            		edu.gmu.csiss.geoweaver.process.update(msg.id);
+            		edu.gmu.csiss.geoweaver.process.update(msg.id, edu.gmu.csiss.geoweaver.process.cmid);
             		
             	});
             	
-            	$("#edit-run-process").click(function(){
+            	$("#edit-run-process-"+edu.gmu.csiss.geoweaver.process.cmid).click(function(){
             		
             		//not finished yet
             		
@@ -1454,7 +1426,7 @@ edu.gmu.csiss.geoweaver.process = {
 			
 		},
 		
-		update: function(pid){
+		update: function(pid, cmid){
 			
 			console.log("update process id: " + pid);
 			
@@ -1462,15 +1434,15 @@ edu.gmu.csiss.geoweaver.process = {
 				
 				var req =  { 
 						
-						type: "process", lang: $("#processcategory").val(),
+						type: "process", lang: $("#processcategory-"+cmid).val(),
 						
-						desc: $("#processcategory").val(), //use the description column to store the process type
+						desc: $("#processcategory-"+cmid).val(), //use the description column to store the process type
 					
-						name: $("#processname").val(), 
+						name: $("#processname-"+cmid).val(), 
 						
 						id: pid,
 		    			
-						code: edu.gmu.csiss.geoweaver.process.getCode()
+						code: edu.gmu.csiss.geoweaver.process.getCode(cmid)
 						
 				};
 				
@@ -1511,7 +1483,7 @@ edu.gmu.csiss.geoweaver.process = {
 			}
 		},
 		
-		add: function(run){
+		add: function(run, cmid){
 			
 			this.current_pid = null;
 			
@@ -1521,42 +1493,42 @@ edu.gmu.csiss.geoweaver.process = {
 					
 					type: "process", 
 					
-					lang: $("#processcategory").val(),
+					lang: $("#processcategory-"+cmid).val(),
 					
-					desc: $("#processcategory").val(), //use the description column to store the process type
+					desc: $("#processcategory-"+cmid).val(), //use the description column to store the process type
 				
-					name: $("#processname").val(), 
+					name: $("#processname-"+cmid).val(), 
 	    			
-					code: edu.gmu.csiss.geoweaver.process.getCode()
+					code: edu.gmu.csiss.geoweaver.process.getCode(cmid)
 					
 				};
 		    		
-			    	$.ajax({
-			    		
-			    		url: "add",
-			    		
-			    		method: "POST",
-			    		
-			    		data: req
-			    		
-			    	}).done(function(msg){
-			    		
-			    		msg = $.parseJSON(msg);
-			    		
-			    		msg.desc = req.desc;
-			    		
-			    		edu.gmu.csiss.geoweaver.process.addMenuItem(msg, req.desc);
-			    		
-			    		if(run)
-			    				
-			    			edu.gmu.csiss.geoweaver.process.runProcess(msg.id, msg.name, $("#processcategory").val());
-			    				
-			    		
-			    	}).fail(function(jqXHR, textStatus){
-			    		
-			    		alert("Fail to add the process.");
-			    		
-			    	});
+		    	$.ajax({
+		    		
+		    		url: "add",
+		    		
+		    		method: "POST",
+		    		
+		    		data: req
+		    		
+		    	}).done(function(msg){
+		    		
+		    		msg = $.parseJSON(msg);
+		    		
+		    		msg.desc = req.desc;
+		    		
+		    		edu.gmu.csiss.geoweaver.process.addMenuItem(msg, req.desc);
+		    		
+		    		if(run)
+		    				
+		    			edu.gmu.csiss.geoweaver.process.runProcess(msg.id, msg.name, $("#processcategory-"+cmid).val());
+		    				
+		    		
+		    	}).fail(function(jqXHR, textStatus){
+		    		
+		    		alert("Fail to add the process.");
+		    		
+		    	});
 				
 			}else{
 				
diff --git a/docs/newlook.gif b/docs/newlook.gif
new file mode 100644
index 000000000..06509ffa2
Binary files /dev/null and b/docs/newlook.gif differ
diff --git a/install-windows.bat b/install-windows.bat
index 01dafe347..2bcad71b5 100755
--- a/install-windows.bat
+++ b/install-windows.bat
@@ -18,25 +18,31 @@ cd install
 
 echo current directory is %CD%
 
-if EXIST "openjdk-12.0.2_windows-x64_bin_1.zip" (
+if exist "openjdk-12.0.2_windows-x64_bin.zip" (
 
 	echo ++++++++++++++++ found openjdk-12.0.2_windows-x64_bin.zip
 	
 ) else (
 	
-	echo -e Download OpenJDK
+	echo -e "Download OpenJDK"
 	
-	curl https://download.java.net/java/GA/jdk12.0.2/e482c34c86bd4bf8b56c0b35558996b9/10/GPL/openjdk-12.0.2_windows-x64_bin.zip -o openjdk-12.0.2_windows-x64_bin.zip
+	curl -L "https://download.java.net/java/GA/jdk12.0.2/e482c34c86bd4bf8b56c0b35558996b9/10/GPL/openjdk-12.0.2_windows-x64_bin.zip" -o "openjdk-12.0.2_windows-x64_bin.zip"
 
 rem	tar -zxvf openjdk-12.0.2_linux-x64_bin.tar.gz 
 
-	echo "Expand-Archive" %CD%\openjdk-12.0.2_windows-x64_bin.zip %CD%\
 	
-	powershell -Command "Expand-Archive %CD%\openjdk-12.0.2_windows-x64_bin.zip %CD%\ "
 
 )
 
-if EXIST "apache-tomcat-9.0.22-windows-x64_1.zip" (
+if not exist "jdk-12.0.2" (
+
+	echo "Expand-Archive" %CD%\openjdk-12.0.2_windows-x64_bin.zip %CD%\
+	
+	powershell -Command "Expand-Archive -Path '%CD%\openjdk-12.0.2_windows-x64_bin.zip' -DestinationPath '%CD%\' "
+	
+)
+
+if exist "apache-tomcat-9.0.22-windows-x64.zip" (
 	
 	echo ++++++++++++++++ found apache-tomcat-9.0.22.tar.gz
 	
@@ -44,65 +50,80 @@ if EXIST "apache-tomcat-9.0.22-windows-x64_1.zip" (
 	
 	echo "Download Tomcat"
 
-	curl https://archive.apache.org/dist/tomcat/tomcat-9/v9.0.22/bin/apache-tomcat-9.0.22-windows-x64.zip -o apache-tomcat-9.0.22-windows-x64.zip
+	curl -L "https://archive.apache.org/dist/tomcat/tomcat-9/v9.0.22/bin/apache-tomcat-9.0.22-windows-x64.zip" -o "apache-tomcat-9.0.22-windows-x64.zip"
 
-	rem tar -zxvf apache-tomcat-9.0.24-windows-x64.zip
-	
-	powershell -Command "Expand-Archive %CD%\apache-tomcat-9.0.22-windows-x64.zip %CD%\ "
 	
 )
 
-echo change the default jdk to the downloaded jdk
-
-
-
-for /f "tokens=*" %%a in (apache-tomcat-9.0.22/bin/catalina.bat) do (
+if not exist "apache-tomcat-9.0.22" (
 	
-	echo %%a >> temp.txt
+	rem tar -zxvf apache-tomcat-9.0.24-windows-x64.zip
 	
-	rem if "%%a" == "" (  ) else ( echo %%a >> temp.txt )
-
-	if "%%a" == "setlocal" (
+	powershell -Command "Expand-Archive -Path '%CD%\apache-tomcat-9.0.22-windows-x64.zip' -DestinationPath '%CD%\' "
 	
-		rem echo this is the position should the new line being inserted >> temp.txt
+	echo "change the default jdk to the downloaded jdk"
+
+	del "temp.txt"
+
+	for /f "tokens=*" %%a in (apache-tomcat-9.0.22\bin\startup.bat) do (
 		
-		echo set JAVA_HOME=%CD%\jdk-12.0.2\ >> temp.txt
-	
+		rem if "%%a" == "" (  ) else ( echo %%a >> temp.txt )
+
+		if "%%a" == "setlocal" (
+			
+			rem echo this is the position should the new line being inserted >> temp.txt
+			
+			echo set CATALINA_HOME=%CD%\apache-tomcat-9.0.22>> "temp.txt"
+			
+			echo set JAVA_HOME=%CD%\jdk-12.0.2>> "temp.txt"
+			
+			echo set JRE_HOME=%CD%\jdk-12.0.2>> "temp.txt"
+		
+		)
+		
+		echo %%a >> temp.txt
 	)
-	
+
 )
 
+
 rem echo ***New bottom line*** >> temp.txt
 
-echo y|del apache-tomcat-9.0.22/bin/catalina.bat
+rem echo y|del "apache-tomcat-9.0.2F2\bin\catalina.bat"
 
-rename temp.txt apache-tomcat-9.0.22/bin/catalina.bat
+rem rename "temp.txt" "apache-tomcat-9.0.22\bin\catalina.bat"
+
+copy "temp.txt" "apache-tomcat-9.0.22\bin\startup.bat"
 
 rem echo JAVA_HOME='$PWD'/jdk-12.0.2/ 109 >> apache-tomcat-9.0.22/bin/catalina.sh
 
 echo download Geoweaver into Apache Tomcat Webapp Folder
 
-curl https://github.com/ESIPFed/Geoweaver/releases/download/latest/Geoweaver.war -o Geoweaver.war
+del "Geoweaver.war"
+
+curl -L "https://github.com/ESIPFed/Geoweaver/releases/download/latest/Geoweaver.war" -o "Geoweaver.war"
 
-mv Geoweaver.war apache-tomcat-9.0.22/webapps/
+copy "Geoweaver.war" "apache-tomcat-9.0.22\webapps\"
 
 echo Move database in place
 
-cp ../db/geoweaver* ~/
+copy "..\db\geoweaver.mv.db" "C:%HOMEPATH%\"
+
+copy "..\db\geoweaver.trace.db" "C:%HOMEPATH%\"
 
 echo start the tomcat..
 
-chmod 755 apache-tomcat-9.0.22/bin/catalina.sh
+rem chmod 755 apache-tomcat-9.0.22/bin/catalina.sh
 
-chmod 755 apache-tomcat-9.0.22/bin/startup.sh
+rem chmod 755 apache-tomcat-9.0.22/bin/startup.sh
 
-./apache-tomcat-9.0.22/bin/startup.sh
+apache-tomcat-9.0.22\bin\startup.bat
 
-sleep 3
+SLEEP 3
 
 echo modify the Geoweaver configuration
 
- there is no need to do this
+rem there is no need to do this
 
 echo Geoweaver is successfully installed!
 
diff --git a/pom.xml b/pom.xml
index 083fe266e..5501e3ba8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,7 +1,7 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <artifactId>Geoweaver</artifactId>
-    <version>0.7.8</version>
+    <version>0.7.9</version>
     <packaging>war</packaging>
     <name>Geoweaver</name>
     <description>ESIPLab incubator project</description>
@@ -66,6 +66,11 @@
             <scope>system</scope>
             <systemPath>${basedir}/WebContent/WEB-INF/lib/aopalliance-1.0.jar</systemPath>
         </dependency>
+        <!-- <dependency>
+		    <groupId>javax.xml.soap</groupId>
+		    <artifactId>javax.xml.soap-api</artifactId>
+		    <version>1.4.0</version>
+		</dependency> -->
         <dependency>
             <groupId>commons-codec</groupId>
             <artifactId>commons-codec</artifactId>
diff --git a/src/edu/gmu/csiss/earthcube/cyberconnector/database/DataBaseOperation.java b/src/edu/gmu/csiss/earthcube/cyberconnector/database/DataBaseOperation.java
index 459088a06..032bd5751 100644
--- a/src/edu/gmu/csiss/earthcube/cyberconnector/database/DataBaseOperation.java
+++ b/src/edu/gmu/csiss/earthcube/cyberconnector/database/DataBaseOperation.java
@@ -12,6 +12,8 @@
 import java.sql.SQLException;
 import java.sql.SQLTimeoutException;
 import java.sql.Statement;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.logging.Level;
 
 import org.apache.log4j.Logger;
@@ -30,7 +32,95 @@ public class DataBaseOperation {
 	
 	private final static Logger logger = Logger.getLogger(DataBaseOperation.class);
     
-	private  static Connection q_conn, e_conn,u_conn;
+//	private  static Connection q_conn, e_conn,u_conn;
+	
+	private static List<Connection> conn_pool = new ArrayList(); //maximum 5 connections
+	
+	static int maximum_connection = 10;
+	
+	static void addNewConnection(Connection newcon) {
+		
+		if(conn_pool.size()>=maximum_connection) {
+			
+			//close the oldest connections
+			
+			try {
+				
+				conn_pool.get(0).close();
+				
+				conn_pool.remove(0);
+				
+			} catch (SQLException e) {
+				
+				e.printStackTrace();
+			
+			} 
+			
+		}
+			
+		conn_pool.add(newcon);
+		
+	}
+	
+	static synchronized Connection getLiveConnection() {
+		
+		Connection con = null;
+		
+		try {
+			
+			for(int i=0;i<conn_pool.size();i++) {
+				
+				if(!conn_pool.get(i).isValid(1)) {
+					
+					try {
+					
+						conn_pool.get(i).close();
+						
+						conn_pool.remove(i);
+						
+						i=0;
+						
+					}catch(Exception e) {
+						
+						e.printStackTrace();
+						
+					}
+					
+					
+				}
+				
+			}
+			
+			for(int i=0;i<conn_pool.size(); i++) {
+
+				if(!conn_pool.get(i).isClosed() && !conn_pool.get(i).isReadOnly() ) {
+					
+					con = conn_pool.get(i);
+					
+					break;
+					
+				}
+				
+			}
+
+			if(con == null) {
+				
+				Class.forName(driver);
+				
+				con = DriverManager.getConnection(database_url, user, password);
+				
+				addNewConnection(con);
+				
+			}
+			
+		} catch (Exception e) {
+			
+			e.printStackTrace();
+			
+		}
+		
+		return con;
+	}
 	
 	static{
 		
@@ -55,7 +145,7 @@ public class DataBaseOperation {
 				
 			}else {
 				
-				conn.close();
+				addNewConnection(conn);
 				
 			}
 			
@@ -93,8 +183,10 @@ public class DataBaseOperation {
 	public synchronized static ResultSet query(String sql){		
                                             Statement statement = null;
 		try {
-			Class.forName(driver);	
-			q_conn = DriverManager.getConnection(database_url, user, password);	
+			
+			Connection q_conn = DataBaseOperation.getLiveConnection();
+			
+//			q_conn = DriverManager.getConnection(database_url, user, password);	
 //			if(!conn.isClosed())	
 //				logger.info("Succeeded connecting to the Database!");
 			statement = q_conn.createStatement();
@@ -102,10 +194,6 @@ public synchronized static ResultSet query(String sql){
 			rs = statement.executeQuery(sql);
 			return rs;		
                         
-		} catch(ClassNotFoundException e) {   
-			logger.error("Sorry,can`t find the Driver."+e.getLocalizedMessage());   
-			//e.printStackTrace();   
-                                                                   throw new RuntimeException("Sorry,can`t find the Driver."+e.getClass().getName()+":"+e.getLocalizedMessage());
 		} catch(SQLException e) {   
 			logger.error("The SQL query causes exception."+e.getLocalizedMessage());
                                                                     throw new RuntimeException("The SQL query causes exception."+e.getClass().getName()+":"+e.getLocalizedMessage());
@@ -152,17 +240,14 @@ public synchronized static ResultSet query(String sql){
 	 public synchronized static boolean execute(String sql){
 		 boolean issuccess = false;
 		 try {
-			Class.forName(driver);		
-			e_conn = DriverManager.getConnection(database_url, user, password);		
+			Connection e_conn = DataBaseOperation.getLiveConnection();
+//			Class.forName(driver);		
+//			e_conn = DriverManager.getConnection(database_url, user, password);		
 //			if(!conn.isClosed())		
 //			logger.info("Succeeded connecting to the Database!");	
 			Statement statement = e_conn.createStatement();
 			issuccess = statement.execute(sql);
 			e_conn.close();
-		} catch(ClassNotFoundException e) {   
-			logger.error("Sorry,can`t find the Driver."+e.getLocalizedMessage());   
-			//e.printStackTrace();   
-            throw new RuntimeException("Sorry,can`t find the Driver."+e.getLocalizedMessage());
 		} catch(SQLException e) {   
 			logger.error("The SQL query causes exception."+e.getLocalizedMessage());
             throw new RuntimeException("The SQL query causes exception."+e.getLocalizedMessage());
@@ -172,14 +257,14 @@ public synchronized static boolean execute(String sql){
             throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
 			//e.printStackTrace();   
 		}  finally{
-			try {
-				if(!e_conn.isClosed()){
-					e_conn.close();
-				}
-			} catch (SQLException e) {
-				e.printStackTrace();
-				throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
-			}
+//			try {
+//				if(!e_conn.isClosed()){
+//					e_conn.close();
+//				}
+//			} catch (SQLException e) {
+//				e.printStackTrace();
+//				throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
+//			}
 		
 		}
 		
@@ -193,9 +278,11 @@ public synchronized static boolean preexecute(String sql, String... variables){
 		 
 		 try {
 			
-			Class.forName(driver);		
+//			Class.forName(driver);		
+//			
+//			e_conn = DriverManager.getConnection(database_url, user, password);
 			
-			e_conn = DriverManager.getConnection(database_url, user, password);
+			Connection e_conn = DataBaseOperation.getLiveConnection();
 			
 			PreparedStatement statement= e_conn.prepareStatement   (sql );
 			
@@ -209,12 +296,8 @@ public synchronized static boolean preexecute(String sql, String... variables){
 			
 			issuccess = true;
 			
-			e_conn.close();
+//			e_conn.close();
 			
-		} catch(ClassNotFoundException e) {   
-			logger.error("Sorry,can`t find the Driver."+e.getLocalizedMessage());   
-			//e.printStackTrace();   
-            throw new RuntimeException("Sorry,can`t find the Driver."+e.getLocalizedMessage());
 		} catch(SQLException e) {   
 			logger.error("The SQL query causes exception."+e.getLocalizedMessage());
             throw new RuntimeException("The SQL query causes exception."+e.getLocalizedMessage());
@@ -225,14 +308,14 @@ public synchronized static boolean preexecute(String sql, String... variables){
             throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
 			//e.printStackTrace();   
 		}  finally{
-			try {
-				if(!e_conn.isClosed()){
-					e_conn.close();
-				}
-			} catch (SQLException e) {
-				e.printStackTrace();
-				throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
-			}
+//			try {
+//				if(!e_conn.isClosed()){
+//					e_conn.close();
+//				}
+//			} catch (SQLException e) {
+//				e.printStackTrace();
+//				throw new RuntimeException("Exception happens." + e.getLocalizedMessage());
+//			}
 		}
 		return issuccess;
 	 }
@@ -244,17 +327,14 @@ public synchronized static boolean preexecute(String sql, String... variables){
 	 public synchronized static int update(String sql){
 		int rt = -1;
 		try {
-			Class.forName(driver);	
-			u_conn = DriverManager.getConnection(database_url, user, password);	
+			Connection u_conn = DataBaseOperation.getLiveConnection();
+//			Class.forName(driver);	
+//			u_conn = DriverManager.getConnection(database_url, user, password);	
 //			if(!conn.isClosed())	
 //			logger.info("Succeeded connecting to the Database!");	
 			Statement statement = u_conn.createStatement();
 			rt = statement.executeUpdate(sql);
-			u_conn.close();
-		}catch(ClassNotFoundException e) {   
-			logger.error("Sorry,can`t find the Driver."+e.getLocalizedMessage());   
-			//e.printStackTrace();   
-           throw new RuntimeException("Sorry,can`t find the Driver."+e.getLocalizedMessage());
+//			u_conn.close();
 		} catch(SQLException e) {   
 			logger.error("The SQL query causes exception."+e.getLocalizedMessage());
             throw new RuntimeException("The SQL query causes exception."+e.getLocalizedMessage());
@@ -277,8 +357,9 @@ public synchronized static int update(String sql){
 	 public synchronized static boolean GetColumnFromDatabase(String name, String featureid, String column, String storeimgpath) {
 	    	boolean suc = false;
 	    	try{
-	    		Class.forName(driver);
-                u_conn = DriverManager.getConnection(database_url, user, password);
+	    		Connection u_conn = DataBaseOperation.getLiveConnection();
+//	    		Class.forName(driver);
+//                u_conn = DriverManager.getConnection(database_url, user, password);
                 String sql = "select "+ column +" from igfds.sample where feature_id = '"+featureid + "' and name = '"+name+"'";
                 PreparedStatement stmt = u_conn.prepareStatement(sql);
                 ResultSet resultSet = stmt.executeQuery();
@@ -292,7 +373,7 @@ public synchronized static boolean GetColumnFromDatabase(String name, String fea
                     }
                     fos.close();
                 }
-                u_conn.close();
+//                u_conn.close();
                 suc = true;
 	    	}catch(Exception e){
 	    		e.printStackTrace();
@@ -330,8 +411,9 @@ public synchronized static boolean injectImage2Sample(String name, String fid, S
 	    FileInputStream fis = null;
 	    PreparedStatement ps = null;
 	    try {
-	      Class.forName(driver);
-	      u_conn = DriverManager.getConnection(database_url, user, password);	
+//	      Class.forName(driver);
+//	      u_conn = DriverManager.getConnection(database_url, user, password);
+	      Connection u_conn = DataBaseOperation.getLiveConnection();
 		  String INSERT_PICTURE = "update igfds.sample set image_block = ? where name = ? and feature_id = ?";
 
 		  u_conn.setAutoCommit(false);
@@ -369,12 +451,13 @@ public synchronized static boolean injectImage2Sample(String name, String fid, S
 	  * @return
 	  */
 	 public synchronized static boolean injectZipFile2Database(String name, String fid, String zipfilepath){
-		 boolean ret = false;
+		 	boolean ret = false;
 		    FileInputStream fis = null;
 		    PreparedStatement ps = null;
 		    try {
-		      Class.forName(driver);
-		      u_conn = DriverManager.getConnection(database_url, user, password);	
+		      Connection u_conn = DataBaseOperation.getLiveConnection();
+//		      Class.forName(driver);
+//		      u_conn = DriverManager.getConnection(database_url, user, password);	
 			  String INSERT_PICTURE = "update igfds.sample set geometry = ? where name = ? and feature_id = ?";
 		
 			  u_conn.setAutoCommit(false);
@@ -409,13 +492,13 @@ public synchronized static boolean injectZipFile2Database(String name, String fi
 	  * Close connections
 	  */
      public static void closeConnection(){
-                try {
-                            if(!q_conn.isClosed())
-                                q_conn.close();
-                } catch (SQLException ex) {
-                            java.util.logging.Logger.getLogger(DataBaseOperation.class.getName()).log(Level.SEVERE, null, ex);
-                            throw new RuntimeException("Exception happens. We are unable to close the mysql connections" +ex.getClass().getName()+ ex.getLocalizedMessage());
-                }
+//                try {
+//                            if(!q_conn.isClosed())
+//                                q_conn.close();
+//                } catch (SQLException ex) {
+//                            java.util.logging.Logger.getLogger(DataBaseOperation.class.getName()).log(Level.SEVERE, null, ex);
+//                            throw new RuntimeException("Exception happens. We are unable to close the mysql connections" +ex.getClass().getName()+ ex.getLocalizedMessage());
+//                }
      }
      /**
       * Get the number of records in a table
@@ -428,7 +511,7 @@ public static int getRecordNumberOfTable(String tablename){
                     String querysql = "select count(*) from "+tablename;
                     ResultSet rs = DataBaseOperation.query(querysql);
                     if(rs.next()){
-                            rn = rs.getInt("count(*)");
+                        rn = rs.getInt("count(*)");
                     }
                 } catch (SQLException ex) {
                     java.util.logging.Logger.getLogger(DataBaseOperation.class.getName()).log(Level.SEVERE, null, ex);
@@ -448,7 +531,7 @@ public static int getPreviousRecordNumber(String tablename, String startingrecor
                     String querysql = "select count(*) from "+tablename + " where id < '"+ startingrecordid + "';";
                     ResultSet rs = DataBaseOperation.query(querysql);
                     if(rs.next()){
-                            rn = rs.getInt("count(*)");
+                        rn = rs.getInt("count(*)");
                     }
                 } catch (SQLException ex) {
                     java.util.logging.Logger.getLogger(DataBaseOperation.class.getName()).log(Level.SEVERE, null, ex);
diff --git a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHCmdSessionOutput.java b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHCmdSessionOutput.java
index 740170ac2..60248e061 100644
--- a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHCmdSessionOutput.java
+++ b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHCmdSessionOutput.java
@@ -42,7 +42,7 @@ public void run() {
     	
     	SSHSession session = GeoweaverController.sshSessionManager.sessionsByToken.get(token);
     	
-    	session.saveHistory("Running", "Running"); //initiate the history record
+    	if(!BaseTool.isNull(session))session.saveHistory("Running", "Running"); //initiate the history record
     	
         while (run) {
         	
@@ -70,7 +70,7 @@ public void run() {
                 			
                 			System.out.println("null output lines exceed 10. Disconnected.");
                 			
-                			session.saveHistory(logs.toString(), "Done");
+                			if(!BaseTool.isNull(session)) session.saveHistory(logs.toString(), "Done");
                 			
                 			break;
                 			
@@ -88,7 +88,7 @@ public void run() {
                 	
 //                	session.saveHistory(logs.toString()); //complete the record
                 	
-                	session.saveHistory(logs.toString(), "Done");
+                	if(!BaseTool.isNull(session)) session.saveHistory(logs.toString(), "Done");
                 	
                 	break;
                 	
@@ -120,7 +120,7 @@ public void run() {
             	
                 e.printStackTrace();
                 
-                session.saveHistory(logs.toString(), "Failed");
+                if(!BaseTool.isNull(session)) session.saveHistory(logs.toString(), "Failed");
                 
             }finally {
             	
diff --git a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHSessionImpl.java b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHSessionImpl.java
index 3547744f0..a9c816b48 100644
--- a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHSessionImpl.java
+++ b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/SSHSessionImpl.java
@@ -257,6 +257,8 @@ public void saveHistory(String logs, String status) {
 		
     	try {
     		
+    		log.info("save history " + status);
+    		
     		this.history_end_time = BaseTool.getCurrentMySQLDatetime();
     		
     		//the log is more than 65500 characters, write it into a log file
diff --git a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/WorkflowTool.java b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/WorkflowTool.java
index 1a77251fd..3159ab82b 100644
--- a/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/WorkflowTool.java
+++ b/src/edu/gmu/csiss/earthcube/cyberconnector/ssh/WorkflowTool.java
@@ -475,6 +475,10 @@ public static String all_active_process() {
 			
 			e.printStackTrace();
 			
+		}finally {
+			
+			DataBaseOperation.closeConnection();
+			
 		}
 		
 		return resp.toString();
@@ -533,6 +537,10 @@ public static String all_history(String workflow_id) {
 			
 			e.printStackTrace();
 			
+		}finally {
+			
+			DataBaseOperation.closeConnection();
+			
 		}
 		
 		return resp.toString();
@@ -611,6 +619,10 @@ public static String recent(int limit) {
 			
 			e.printStackTrace();
 			
+		}finally {
+			
+			DataBaseOperation.closeConnection();
+			
 		}
 		
 		return resp.toString();
@@ -651,6 +663,10 @@ public static String one_history(String hid) {
 		
 			e.printStackTrace();
 			
+		}finally {
+			
+			DataBaseOperation.closeConnection();
+			
 		}
 		
 		return resp.toString();
diff --git a/src/edu/gmu/csiss/earthcube/cyberconnector/web/GeoweaverController.java b/src/edu/gmu/csiss/earthcube/cyberconnector/web/GeoweaverController.java
index 7e7147c4b..7e4975d61 100644
--- a/src/edu/gmu/csiss/earthcube/cyberconnector/web/GeoweaverController.java
+++ b/src/edu/gmu/csiss/earthcube/cyberconnector/web/GeoweaverController.java
@@ -293,8 +293,12 @@ public void destroy() {
 		
 		try {
 			
+			
 			String type = request.getParameter("type");
 			
+
+			logger.info("enter logs " + type);
+			
 			String id = request.getParameter("id");
 			
 			String isactive = request.getParameter("isactive");
diff --git a/sync.ffs_db b/sync.ffs_db
index 4c13e2832..782e1896f 100644
Binary files a/sync.ffs_db and b/sync.ffs_db differ