A null pointer exception caused by a set command without para. Fixed.

src/de/sgollmer/solvismax/Version.java

@@ -15,7 +15,7 @@
 
 public class Version {
 
-	private String serverVersion = "01.05.00";
+	private String serverVersion = "01.05.01-rc1";
 	private String appendix = "3 heating circuits beta";
 
 	public static Version getInstance() {

src/de/sgollmer/solvismax/connection/CommandHandler.java

@@ -429,6 +429,13 @@ private void set(final IReceivedData receivedDat) throws JsonException, TypeExce
 		}
 
 		SingleData<?> singleData = receivedDat.getSingleData();
+
+		if (singleData == null) {
+			logger.warn("Command set channel <" + description.getId()
+					+ "> without setting parameters received! Command ignored.");
+			return;
+		}
+
 		boolean ignored;
 		try {
 			ignored = solvis.setFromExternal(description, singleData);
@@ -575,7 +582,7 @@ public synchronized void abort() {
 	public void handleControlEnable(final Solvis solvis) {
 		boolean enable = true;
 		for (ClientAssignments client : this.clients) {
-			
+
 			enable &= client.getControlEnableStatus(solvis) != ControlEnableStatus.FALSE;
 		}
 		solvis.controlEnable(enable);

src/de/sgollmer/solvismax/connection/transfer/JsonPackage.java

@@ -25,6 +25,7 @@ public class JsonPackage implements IReceivedData {
 	protected Command command;
 	protected Frame data;
 	private Solvis solvis = null;
+	private String receivedString = null;
 
 	public JsonPackage() {
 	}
@@ -75,9 +76,9 @@ void receive(final InputStream stream, final int timeout) throws IOException, Js
 		Helper.read(stream, receivedData, timeout);
 
 		Frame receivedFrame = new Frame();
-		String receivedString = new String(receivedData, CHARSET);
+		this.receivedString = new String(receivedData, CHARSET);
 		long timeStamp = System.currentTimeMillis();
-		receivedFrame.from(receivedString, 0, timeStamp);
+		receivedFrame.from(this.receivedString, 0, timeStamp);
 		if (receivedFrame.size() > 0) {
 			Element e = receivedFrame.get(0);
 			this.command = Command.valueOf(e.name);
@@ -122,4 +123,8 @@ public SingleData<?> getSingleData() {
 	public String getClientId() {
 		return null;
 	}
+
+	protected String getReceivedString() {
+		return this.receivedString;
+	}
 }

src/de/sgollmer/solvismax/connection/transfer/SetPackage.java

@@ -8,9 +8,14 @@
 package de.sgollmer.solvismax.connection.transfer;
 
 import de.sgollmer.solvismax.connection.IReceivedData;
+import de.sgollmer.solvismax.log.LogManager;
+import de.sgollmer.solvismax.log.LogManager.ILogger;
 import de.sgollmer.solvismax.model.objects.data.SingleData;
 
 public class SetPackage extends JsonPackage implements IReceivedData {
+
+	private static final ILogger logger = LogManager.getInstance().getLogger(SetPackage.class);
+
 	SetPackage() {
 		this.command = Command.SET;
 	}
@@ -26,7 +31,11 @@ void finish() {
 			this.id = e.name;
 			if (e.value instanceof SingleValue) {
 				this.singleData = ((SingleValue) e.value).getData();
+			} else {
+				logger.warn("Data parameter can't be interpreted. Package: " + this.getReceivedString());
 			}
+		} else {
+			logger.warn("Data parameter is empty. Package: " + this.getReceivedString());
 		}
 		this.data = null;
 	}

src/de/sgollmer/solvismax/model/objects/ChannelDescription.java

@@ -336,7 +336,7 @@ public boolean mustBackuped() {
 //	}
 //
 	public SingleData<?> normalize(final SingleData<?> data) throws TypeException {
-		if (data.get() == null) {
+		if (data == null || data.get() == null) {
 			return null;
 		}
 		if (data instanceof IntegerValue && this.getDivisor() != 1) {