diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/exception/InvalidConfigurationException.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/exception/InvalidConfigurationException.java
new file mode 100644
index 00000000000..2a8f9aca42c
--- /dev/null
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.common/src/main/java/org/wso2/carbon/device/application/mgt/common/exception/InvalidConfigurationException.java
@@ -0,0 +1,30 @@
+/*
+*  Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
+*  WSO2 Inc. licenses this file to you under the Apache License,
+*  Version 2.0 (the "License"); you may not use this file except
+*  in compliance with the License.
+*  You may obtain a copy of the License at
+*
+*    http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing,
+* software distributed under the License is distributed on an
+* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+* KIND, either express or implied.  See the License for the
+* specific language governing permissions and limitations
+* under the License.
+*
+*/
+package org.wso2.carbon.device.application.mgt.common.exception;
+
+public class InvalidConfigurationException extends ApplicationManagementException {
+
+    public InvalidConfigurationException(String message, Throwable throwable) {
+        super(message, throwable);
+    }
+
+    public InvalidConfigurationException(String message) {
+        super(message);
+    }
+
+}
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/ApplicationConfigurationManager.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/ApplicationConfigurationManager.java
index b787e138b4a..5f740cab67f 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/ApplicationConfigurationManager.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/config/ApplicationConfigurationManager.java
@@ -22,6 +22,7 @@ import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
 import org.w3c.dom.Document;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
+import org.wso2.carbon.device.application.mgt.common.exception.InvalidConfigurationException;
 import org.wso2.carbon.device.application.mgt.core.util.ApplicationManagementUtil;
 import org.wso2.carbon.device.application.mgt.core.util.ApplicationManagerConstants;
 import org.wso2.carbon.utils.CarbonUtils;
@@ -71,7 +72,7 @@ public class ApplicationConfigurationManager {
             this.applicationManagerConfiguration = (ApplicationManagementConfigurations) unmarshaller.unmarshal(doc);
         } catch (Exception e) {
             log.error(e);
-            throw new ApplicationManagementException("Error occurred while initializing application config", e);
+            throw new InvalidConfigurationException("Error occurred while initializing application config", e);
         }
     }
 
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/services/impl/ApplicationManagerImpl.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/services/impl/ApplicationManagerImpl.java
index 7ebe51c65cb..850d972f04d 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/services/impl/ApplicationManagerImpl.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/services/impl/ApplicationManagerImpl.java
@@ -41,11 +41,6 @@ public class ApplicationManagerImpl implements ApplicationManager {
             ConnectionManagerUtil.openConnection();
             ApplicationDAO applicationDAO = ApplicationManagementDAOFactory.getApplicationDAO();
             return applicationDAO.getApplications(filter);
-        } catch (ApplicationManagementDAOException e) {
-            throw new ApplicationManagementException("Error occurred while obtaining the applications for " +
-                    "the given filter.", e);
-        } catch (DBConnectionException e) {
-            throw new ApplicationManagementException("Error occurred while opening a connection to the APPM data source", e);
         } finally {
             ConnectionManagerUtil.closeConnection();
         }
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
index dddc85ccf65..1afe85092a8 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.core/src/main/java/org/wso2/carbon/device/application/mgt/core/util/ApplicationManagementUtil.java
@@ -23,6 +23,7 @@ import org.apache.commons.logging.LogFactory;
 import org.w3c.dom.Document;
 import org.wso2.carbon.context.PrivilegedCarbonContext;
 import org.wso2.carbon.device.application.mgt.common.exception.ApplicationManagementException;
+import org.wso2.carbon.device.application.mgt.common.exception.InvalidConfigurationException;
 import org.wso2.carbon.device.application.mgt.core.services.impl.ApplicationManagementServiceFactory;
 
 import javax.xml.XMLConstants;
@@ -54,7 +55,7 @@ public class ApplicationManagementUtil {
             factory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true);
             return docBuilder.parse(file);
         } catch (Exception e) {
-            throw new ApplicationManagementException("Error occurred while parsing file, while converting " +
+            throw new InvalidConfigurationException("Error occurred while parsing file, while converting " +
                     "to a org.w3c.dom.Document : ", e);
         }
     }
diff --git a/components/application-mgt/org.wso2.carbon.device.application.mgt.extensions/pom.xml b/components/application-mgt/org.wso2.carbon.device.application.mgt.extensions/pom.xml
index 11a0a9f9e2a..d7895183a45 100644
--- a/components/application-mgt/org.wso2.carbon.device.application.mgt.extensions/pom.xml
+++ b/components/application-mgt/org.wso2.carbon.device.application.mgt.extensions/pom.xml
@@ -75,21 +75,6 @@
                     </instructions>
                 </configuration>
             </plugin>
-
-            <plugin>
-                <groupId>org.apache.maven.plugins</groupId>
-                <artifactId>maven-surefire-plugin</artifactId>
-                <version>2.18</version>
-                <configuration>
-                    <systemPropertyVariables>
-                        <log4j.configuration>file:src/test/resources/log4j.properties</log4j.configuration>
-                    </systemPropertyVariables>
-                    <suiteXmlFiles>
-                        <suiteXmlFile>src/test/resources/testng.xml</suiteXmlFile>
-                    </suiteXmlFiles>
-                </configuration>
-            </plugin>
-
         </plugins>
     </build>