AJ-656: modify response error info;

Author: chengyitian

src/com/xxdb/DBConnection.java

@@ -465,9 +465,9 @@ private Entity run(String script, String scriptType, ProgressListener listener,
 
             if (!header.equals("OK")){
                 if (scriptType == "script")
-                    throw new IOException(hostName_+":"+port_+" Server response: '" + header + "' script: '" + script + "'");
+                    throw new IOException(hostName_+":"+port_+" Server response: " + header + ". script: " + script + "");
                 else
-                    throw new IOException(hostName_+":"+port_+" Server response: '" + header + "' " + scriptType + ": '" + script + "'");
+                    throw new IOException(hostName_+":"+port_+" Server response: " + header + ". " + scriptType + ": " + script + "");
             }
 
             if (numObject == 0){

src/com/xxdb/streaming/client/AbstractClient.java

@@ -578,7 +578,7 @@ void checkServerVersion(String host, int port) throws IOException {
             int v1 = Integer.parseInt(_[1]);
             int v2 = Integer.parseInt(_[2]);
 
-            if (v0 ==3 || (v0 == 2 && v1 == 0 && v2 >= 9) || (v0 == 2 && v1 == 10) || (v0 == 3 && v1 == 0 && v2 >= 0)) {
+            if ((v0 == 2 && v1 == 0 && v2 >= 9) || (v0 == 2 && v1 == 10) || (v0 == 3 && v1 == 0 && v2 >= 0)) {
                 //server only support reverse connection
                 this.listeningPort = 0;
             } else {