diff --git a/src/classlib/openjdk/classlib.h b/src/classlib/openjdk/classlib.h
index 054afe4..23c1b4c 100644
--- a/src/classlib/openjdk/classlib.h
+++ b/src/classlib/openjdk/classlib.h
@@ -35,7 +35,7 @@ extern Object *classlibMarkThreadTerminated(Object *jThread);
 
 #define classlibThreadIdName() SYMBOL(tid)
 #define classlibAddThreadName() SYMBOL(add)
-#define classlibThreadNameType() SYMBOL(array_C)
+#define classlibThreadNameType() SYMBOL(sig_java_lang_String)
 #define classlibRemoveThreadName() SYMBOL(removeThreadName)
 #define classlibExceptionHandlerName() SYMBOL(uncaughtExceptionHandler)
 
diff --git a/src/classlib/openjdk/jvm.c b/src/classlib/openjdk/jvm.c
index 971ac75..9c99507 100644
--- a/src/classlib/openjdk/jvm.c
+++ b/src/classlib/openjdk/jvm.c
@@ -154,6 +154,9 @@ jint JVM_GetInterfaceVersion() {
     return JVM_INTERFACE_VERSION;
 }
 
+void JVM_BeforeHalt() {
+
+}
 
 /* JVM_CurrentTimeMillis */
 
@@ -1933,6 +1936,10 @@ jint JVM_GetArrayLength(JNIEnv *env, jobject arr) {
 }
 
 
+jboolean JVM_IsUseContainerSupport() {
+    return FALSE;
+}
+
 /* JVM_GetArrayElement */
 
 jobject JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index) {
@@ -1970,7 +1977,9 @@ jobject JVM_GetArrayElement(JNIEnv *env, jobject arr, jint index) {
     }
 }
 
-
+jarray JVM_GetResourceLookupCacheURLs(JNIEnv *env, jobject loader){
+  return NULL;
+}
 /* JVM_GetPrimitiveArrayElement */
 
 jvalue JVM_GetPrimitiveArrayElement(JNIEnv *env, jobject arr, jint index,