diff --git a/bin/uce_fastcgi.debug.linux.bin b/bin/uce_fastcgi.debug.linux.bin
index 337d006..51995ca 100755
Binary files a/bin/uce_fastcgi.debug.linux.bin and b/bin/uce_fastcgi.debug.linux.bin differ
diff --git a/build_linux.sh b/build_linux.sh
index 7a87972..1557ca1 100755
--- a/build_linux.sh
+++ b/build_linux.sh
@@ -16,7 +16,7 @@ mkdir bin/assets > /dev/null 2>&1
 mkdir work > /dev/null 2>&1
 
 COMPILER="clang++"
-FLAGS="-g -w -Wall -$OPT_FLAG -std=c++17 -fpermissive -ffast-math"
+FLAGS="-g -rdynamic -w -Wall -$OPT_FLAG -std=c++17 -fpermissive -ffast-math"
 
 LIBS="-ldl -lm -lpthread "
 SRCFLAGS="-D EXEC_NAME=\"$GF\" -D PLATFORM_NAME=\"linux\""
diff --git a/scripts/compile b/scripts/compile
index 3c24b24..93fd790 100755
--- a/scripts/compile
+++ b/scripts/compile
@@ -24,7 +24,7 @@ OPT_FLAG="O0"
 
 COMPILER="clang++"
 #COMPILER="g++"
-FLAGS="-shared -w -Wall -$OPT_FLAG -std=c++17 -fpermissive -ffast-math -fPIC"
+FLAGS="-shared -g -rdynamic -w -Wall -$OPT_FLAG -std=c++17 -fpermissive -ffast-math -fPIC"
 
 LIBS="-ldl -lm -lpthread "
 SRCFLAGS="-D PLATFORM_NAME=\"linux\""
diff --git a/src/lib/dtree.h b/src/lib/dtree.h
index 2bd40d5..4bbe8db 100644
--- a/src/lib/dtree.h
+++ b/src/lib/dtree.h
@@ -201,34 +201,34 @@ string json_decode_string(string s, u32& i)
 			switch(c)
 			{
 				case('t'):
-					result.append('\t', 1);
+					result.append(1, '\t');
 					break;
 				case('n'):
-					result.append('\n', 1);
+					result.append(1, '\n');
 					break;
 				case('r'):
-					result.append('\r', 1);
+					result.append(1, '\r');
 					break;
 				case('\\'):
-					result.append('\\', 1);
+					result.append(1, '\\');
 					break;
 				case('b'):
-					result.append('\b', 1);
+					result.append(1, '\b');
 					break;
 				case('f'):
-					result.append('\f', 1);
+					result.append(1, '\f');
 					break;
 				case('u'):
 					// todo decode
 					break;
 				default:
-					result.append(c, 1);
+					result.append(1, c);
 					break;
 			}
 		}
 		else
 		{
-			result.append(c, 1);
+			result.append(1, c);
 		}
 		i += 1;
 	}
@@ -252,7 +252,7 @@ string json_decode_keyword(string s, u32& i)
 		char c = s[i];
 		if(isalnum(c))
 		{
-			result.append(c, 1);
+			result.append(1, c);
 		}
 		else
 		{
@@ -272,7 +272,7 @@ string json_decode_number(string s, u32& i)
 		char c = s[i];
 		if(isdigit(c) || c == '.')
 		{
-			result.append(c, 1);
+			result.append(1, c);
 		}
 		else
 		{
@@ -289,9 +289,6 @@ DTree json_decode_value(string s, u32& i)
 	string value = "";
 	json_consume_space(s, i);
 	char c = s[i];
-	result.set("CHAR_");
-	result._string.append(to_string(c));
-	return(result);
 	if(c == '"') // string value
 	{
 		result.type = 'S';
@@ -329,9 +326,9 @@ DTree json_decode_map(string s, u32& i)
 {
 	DTree result;
 	string key = "";
+	json_consume_space(s, i);
 	while(i < s.length())
 	{
-		json_consume_space(s, i);
 		char c = s[i];
 		if(c == '}')
 		{
@@ -348,7 +345,10 @@ DTree json_decode_map(string s, u32& i)
 			json_consume_space(s, i);
 			if(s[i] != ':')
 				return(result); // malformed
-			result[key] = json_decode_value(s, i);
+			//result[key] = json_decode_value(s, i);
+			printf("%s\n", key.c_str());
+			i += 1;
+			json_consume_space(s, i);
 		}
 		else
 		{
@@ -356,6 +356,7 @@ DTree json_decode_map(string s, u32& i)
 			return(result);
 		}
 		i += 1;
+		json_consume_space(s, i);
 	}
 	return(result);
 }
diff --git a/src/lib/sys.h b/src/lib/sys.h
index d242833..cfb4603 100644
--- a/src/lib/sys.h
+++ b/src/lib/sys.h
@@ -148,3 +148,19 @@ string expand_path(string path)
 	}
 	return(result);
 }
+
+#include <execinfo.h>
+#include <signal.h>
+
+void on_segfault(int sig) {
+	void *array[10];
+	size_t size;
+
+	// get void*'s for all entries on the stack
+	size = backtrace(array, 10);
+
+	// print out all the frames to stderr
+	fprintf(stderr, "SEG FAULT: %d:\n", sig);
+	backtrace_symbols_fd(array, size, STDERR_FILENO);
+}
+
diff --git a/src/lib/uce_gen.h b/src/lib/uce_gen.h
index a011535..4406ec8 100644
--- a/src/lib/uce_gen.h
+++ b/src/lib/uce_gen.h
@@ -14,5 +14,6 @@ Request* context;
 extern "C" void set_current_request(Request* _request)
 {
 	context = _request;
+	signal(SIGSEGV, on_segfault);
 }
 
diff --git a/src/linux_fastcgi.cpp b/src/linux_fastcgi.cpp
index aa85fbc..a97d797 100644
--- a/src/linux_fastcgi.cpp
+++ b/src/linux_fastcgi.cpp
@@ -89,6 +89,7 @@ FastCGIServer server;
 
 int main(int argc, char** argv)
 {
+	signal(SIGSEGV, on_segfault);
 	srand(time());
 
 	// Set up our request handlers
diff --git a/test/json.uce b/test/json.uce
index ecdf0ce..497caf0 100644
--- a/test/json.uce
+++ b/test/json.uce
@@ -34,7 +34,7 @@ RENDER()
 		Parsed:
 
 		<pre><?
-			echo(var_dump(json_decode("1")));
+			echo(var_dump(json_decode("{\"abc\": \"valueA\"}")));
 		?></pre>
 
 		Params