[Minor] Logging of exception in StrolchSystemActionWithResult

li.strolch.agent/src/main/java/li/strolch/runtime/privilege/DefaultStrolchPrivilegeHandler.java

@@ -1,12 +1,12 @@
 /*
  * Copyright 2013 Robert von Burg <eitch@eitchnet.ch>
- * 
+ *
  * Licensed 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.
@@ -72,11 +72,11 @@ public class DefaultStrolchPrivilegeHandler extends StrolchComponent implements
 	 * @param privilegeXmlFile
 	 * 		a {@link File} reference to the XML file containing the configuration for Privilege
 	 *
-	 * @return the initialized {@link PrivilegeHandler} where the {@link EncryptionHandler} and
-	 * {@link PersistenceHandler} are set and initialized as well
+	 * @return the initialized {@link PrivilegeHandler} where the {@link EncryptionHandler} and {@link
+	 * PersistenceHandler} are set and initialized as well
 	 */
 	private li.strolch.privilege.handler.PrivilegeHandler initializeFromXml(ComponentConfiguration configuration,
-																			File privilegeXmlFile) {
+			File privilegeXmlFile) {
 
 		// make sure file exists
 		if (!privilegeXmlFile.exists()) {
@@ -132,7 +132,7 @@ public class DefaultStrolchPrivilegeHandler extends StrolchComponent implements
 		}
 		return certificate;
 	}
-	
+
 	@Override
 	public Certificate authenticateSingleSignOn(Object data) {
 		assertContainerStarted();

li.strolch.agent/src/main/java/li/strolch/runtime/privilege/StrolchSystemAction.java

@@ -14,7 +14,7 @@ public class StrolchSystemAction extends SystemAction {
 
 	public static final Logger logger = LoggerFactory.getLogger(StrolchSystemAction.class);
 
-	private PrivilegedRunnable runnable;
+	private final PrivilegedRunnable runnable;
 
 	public StrolchSystemAction(PrivilegedRunnable runnable) {
 		this.runnable = runnable;

li.strolch.agent/src/main/java/li/strolch/runtime/privilege/StrolchSystemActionWithResult.java

@@ -3,16 +3,20 @@ package li.strolch.runtime.privilege;
 import li.strolch.privilege.handler.SystemAction;
 import li.strolch.privilege.handler.SystemActionWithResult;
 import li.strolch.privilege.model.PrivilegeContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * {@link SystemAction} to run {@link PrivilegedRunnableWithResult} as a system user
- * 
- * @author Robert von Burg <eitch@eitchnet.ch>
  *
  * @param <T>
+ *
+ * @author Robert von Burg <eitch@eitchnet.ch>
  */
 public class StrolchSystemActionWithResult<T> extends SystemActionWithResult<T> {
 
+	public static final Logger logger = LoggerFactory.getLogger(StrolchSystemAction.class);
+
 	private PrivilegedRunnableWithResult<T> runnable;
 
 	public StrolchSystemActionWithResult(PrivilegedRunnableWithResult<T> runnable) {
@@ -21,6 +25,12 @@ public class StrolchSystemActionWithResult<T> extends SystemActionWithResult<T>
 
 	@Override
 	public T execute(PrivilegeContext privilegeContext) {
-		return this.runnable.run(privilegeContext);
+		try {
+			return this.runnable.run(privilegeContext);
+		} catch (Exception e) {
+			logger.error("Failed to execute SystemAction for " + privilegeContext.getUsername() + " due to " + e
+					.getMessage(), e);
+			throw e;
+		}
 	}
 }