Bugfix - using default locale encoding issue in build tool, and

conversion between varchar and varbinary value types.

h2/src/main/org/h2/value/Value.java

@@ -960,7 +960,10 @@ public abstract class Value {
             case STRING: {
                 String s;
                 if (getType() == BYTES && mode != null && mode.charToBinaryInUtf8) {
-                    s = new String(getBytesNoCopy());
+                	// Bugfix - Can't use the locale encoding when enabling charToBinaryInUtf8 in mode.
+                	// The following two target types also are the same issue.
+                	// @since 2018-07-19 little-pan
+                    s = new String(getBytesNoCopy(), StandardCharsets.UTF_8);
                 } else {
                     s = getString();
                 }
@@ -969,7 +972,7 @@ public abstract class Value {
             case STRING_IGNORECASE: {
                 String s;
                 if (getType() == BYTES && mode != null && mode.charToBinaryInUtf8) {
-                    s = new String(getBytesNoCopy());
+                    s = new String(getBytesNoCopy(), StandardCharsets.UTF_8);
                 } else {
                     s = getString();
                 }
@@ -978,7 +981,7 @@ public abstract class Value {
             case STRING_FIXED: {
                 String s;
                 if (getType() == BYTES && mode != null && mode.charToBinaryInUtf8) {
-                    s = new String(getBytesNoCopy());
+                    s = new String(getBytesNoCopy(), StandardCharsets.UTF_8);
                 } else {
                     s = getString();
                 }

h2/src/tools/org/h2/build/BuildBase.java

@@ -962,6 +962,24 @@ public class BuildBase {
         println("Compiling " + files.size() + " classes");
         StringList params = new StringList();
         params.addAll(args);
+        
+        // Bugfix - Use UTF-8 instead of the default locale encoding when compiling,
+        //because of H2 source file encoding is UTF-8.
+        // @since 2018-07-19 little-pan
+        String encoding = null;
+        for(int i = 0, size = params.size(); i < size; ++i){
+        	if("-encoding".equals(params.get(i))){
+        		encoding = params.get(i + 1);
+        		break;
+        	}
+        }
+        if(encoding == null){
+        	encoding = StandardCharsets.UTF_8.name();
+        	params.add("-encoding");
+        	params.add(encoding);
+        }
+        println("Using encoding " + encoding);
+        
         params.addAll(getPaths(files.keep(".java")));
         String[] array = params.array();
         int result;