diff --git a/api/src/main/java/org/apache/cloudstack/api/command/user/template/CreateTemplateCmd.java b/api/src/main/java/org/apache/cloudstack/api/command/user/template/CreateTemplateCmd.java
index 5f09ac6698d..ec5624715b6 100644
--- a/api/src/main/java/org/apache/cloudstack/api/command/user/template/CreateTemplateCmd.java
+++ b/api/src/main/java/org/apache/cloudstack/api/command/user/template/CreateTemplateCmd.java
@@ -211,7 +211,7 @@ public class CreateTemplateCmd extends BaseAsyncCreateCmd implements UserCmd {
     }
 
     public String getTemplateTag() {
-        return templateTag;
+        return StringUtils.isBlank(templateTag) ? null : templateTag;
     }
 
     public Map getDetails() {
diff --git a/api/src/main/java/org/apache/cloudstack/api/command/user/template/GetUploadParamsForTemplateCmd.java b/api/src/main/java/org/apache/cloudstack/api/command/user/template/GetUploadParamsForTemplateCmd.java
index 8fa1a5d53eb..a4596c04a92 100644
--- a/api/src/main/java/org/apache/cloudstack/api/command/user/template/GetUploadParamsForTemplateCmd.java
+++ b/api/src/main/java/org/apache/cloudstack/api/command/user/template/GetUploadParamsForTemplateCmd.java
@@ -160,7 +160,7 @@ public class GetUploadParamsForTemplateCmd extends AbstractGetUploadParamsCmd {
     }
 
     public String getTemplateTag() {
-        return templateTag;
+        return StringUtils.isBlank(templateTag) ? null : templateTag;
     }
 
     public boolean isDeployAsIs() {
diff --git a/api/src/main/java/org/apache/cloudstack/api/command/user/template/RegisterTemplateCmd.java b/api/src/main/java/org/apache/cloudstack/api/command/user/template/RegisterTemplateCmd.java
index 1f968b869b9..8fe1a93a5a2 100644
--- a/api/src/main/java/org/apache/cloudstack/api/command/user/template/RegisterTemplateCmd.java
+++ b/api/src/main/java/org/apache/cloudstack/api/command/user/template/RegisterTemplateCmd.java
@@ -265,7 +265,7 @@ public class RegisterTemplateCmd extends BaseCmd implements UserCmd {
     }
 
     public String getTemplateTag() {
-        return templateTag;
+        return StringUtils.isBlank(templateTag) ? null : templateTag;
     }
 
     public Map getDetails() {
diff --git a/server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java b/server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java
index 22cfe785edf..c11d8e1ae08 100644
--- a/server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java
+++ b/server/src/main/java/com/cloud/consoleproxy/ConsoleProxyManagerImpl.java
@@ -734,7 +734,7 @@ public class ConsoleProxyManagerImpl extends ManagerBase implements ConsoleProxy
                     logger.debug("Unable to allocate proxy {} with {} in {} due to [{}]. Retrying with another template", proxy, template, dc, e.getMessage(), e);
                     continue;
                 }
-                throw new CloudRuntimeException("Failed to allocate proxy [%s] in zone [%s] with available templates", e);
+                throw new CloudRuntimeException(String.format("Failed to allocate proxy [%s] in zone [%s] with available templates", proxy, dc), e);
             }
         }