diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
index 1fd0739..70f7142 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/driver/InstallerUtil.java
@@ -247,7 +247,7 @@
         String txnLogDir = null;
         for (Node node : cluster.getNode()) {
             coredumpDir = node.getLogDir() == null ? cluster.getLogDir() : node.getLogDir();
-            coredump.add(new Coredump(asterixInstanceName + "_" + node.getId(), coredumpDir));
+            coredump.add(new Coredump(asterixInstanceName + "_" + node.getId(), coredumpDir  + File.separator + asterixInstanceName +  "_"  + node.getId()));
 
             txnLogDir = node.getTxnLogDir() == null ? cluster.getTxnLogDir() : node.getTxnLogDir();
             txnLogDirs.add(new TransactionLogDir(asterixInstanceName + "_" + node.getId(), txnLogDir));
diff --git a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/model/AsterixInstance.java b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/model/AsterixInstance.java
index 1c01fe5..751cc36 100644
--- a/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/model/AsterixInstance.java
+++ b/asterix-installer/src/main/java/edu/uci/ics/asterix/installer/model/AsterixInstance.java
@@ -27,8 +27,10 @@
 
 public class AsterixInstance implements Serializable {
 
-    private static final long serialVersionUID = 2874439550187520449L;
+    private static final long serialVersionUID = 1L;
 
+    private static final int WEB_INTERFACE_PORT_DEFAULT = 19001;
+    
     public enum State {
         ACTIVE,
         INACTIVE,
@@ -137,14 +139,13 @@
     }
 
     public String getWebInterfaceUrl() {
-        int webPort = 19001;
+        int webPort = WEB_INTERFACE_PORT_DEFAULT;
         for (Property p : asterixConfiguration.getProperty()) {
             if (p.getName().equalsIgnoreCase("web.port")) {
                 webPort = Integer.parseInt(p.getValue());
             }
         }
-        String webInterfaceUrl = "http://" + cluster.getMasterNode().getClientIp() + ":" + webPort;
-        return webInterfaceUrl;
+        return "http://" + cluster.getMasterNode().getClientIp() + ":" + webPort;
     }
 
     public AsterixRuntimeState getAsterixRuntimeState() {
diff --git a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceRepository.java b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceRepository.java
index d99fa8b..fd25f5a 100644
--- a/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceRepository.java
+++ b/asterix-transactions/src/main/java/edu/uci/ics/asterix/transaction/management/resource/PersistentLocalResourceRepository.java
@@ -64,8 +64,8 @@
     }
 
     private String prepareRootMetaDataFileName(String mountPoint, String nodeId, int ioDeviceId) {
-        return mountPoint + File.separator + ROOT_METADATA_DIRECTORY + File.separator + ROOT_METADATA_DIRECTORY + "_"
-                + nodeId + "_" + "iodevice" + ioDeviceId;
+        return mountPoint + File.separator + ROOT_METADATA_DIRECTORY + File.separator + 
+                 nodeId + "_" + "iodevice" + ioDeviceId;
     }
 
     public void initialize(String nodeId, String rootDir, boolean isNewUniverse, ResourceIdFactory resourceIdFactory)