Program: 5327
Project: 5327
Buggy source:
@Override protected Class<?> loadClass(String name,boolean resolve) throws ClassNotFoundException {
  if (API_CLASSES.contains(name) || (!name.startsWith("String_Node_Str") && !name.startsWith("String_Node_Str") && !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str"))) {
    return super.loadClass(name,resolve);
  }
  Class<?> cls=findLoadedClass(name);
  if (cls != null) {
    return cls;
  }
  try (InputStream is=openResource(name.replace('.','/') + "String_Node_Str")){
    if (is == null) {
      throw new ClassNotFoundException("String_Node_Str" + name);
    }
    if (name.equals(SPARK_CONTEXT_TYPE.getClassName())) {
      cls=defineContext(SPARK_CONTEXT_TYPE,is);
    }
 else     if (name.equals(SPARK_STREAMING_CONTEXT_TYPE.getClassName())) {
      cls=defineContext(SPARK_STREAMING_CONTEXT_TYPE,is);
    }
 else     if (name.equals(SPARK_CONF_TYPE.getClassName())) {
      cls=defineSparkConf(SPARK_CONF_TYPE,is);
    }
 else     if (name.startsWith(SPARK_SUBMIT_TYPE.getClassName())) {
      cls=rewriteSetPropertiesAndDefineClass(name,is);
    }
 else     if (name.equals(SPARK_YARN_CLIENT_TYPE.getClassName()) && rewriteYarnClient) {
      cls=defineClient(name,is);
    }
 else     if (name.equals(SPARK_DSTREAM_GRAPH_TYPE.getClassName())) {
      cls=defineDStreamGraph(name,is);
    }
 else     if (name.equals(AKKA_REMOTING_TYPE.getClassName())) {
      cls=defineAkkaRemoting(name,is);
    }
 else {
      cls=findClass(name);
    }
    if (resolve) {
      resolveClass(cls);
    }
    return cls;
  }
 catch (  IOException e) {
    throw new ClassNotFoundException("String_Node_Str" + name,e);
  }
}

Fixed version (ground truth):
@Override protected Class<?> loadClass(String name,boolean resolve) throws ClassNotFoundException {
  if (API_CLASSES.contains(name) || (!name.startsWith("String_Node_Str") && !name.startsWith("String_Node_Str") && !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str")&& !name.startsWith("String_Node_Str"))) {
    return super.loadClass(name,resolve);
  }
  Class<?> cls=findLoadedClass(name);
  if (cls != null) {
    return cls;
  }
  try (InputStream is=openResource(name.replace('.','/') + "String_Node_Str")){
    if (is == null) {
      throw new ClassNotFoundException("String_Node_Str" + name);
    }
    if (name.equals(SPARK_CONTEXT_TYPE.getClassName())) {
      cls=defineContext(SPARK_CONTEXT_TYPE,is);
    }
 else     if (name.equals(SPARK_STREAMING_CONTEXT_TYPE.getClassName())) {
      cls=defineContext(SPARK_STREAMING_CONTEXT_TYPE,is);
    }
 else     if (name.equals(SPARK_CONF_TYPE.getClassName())) {
      cls=defineSparkConf(SPARK_CONF_TYPE,is);
    }
 else     if (name.startsWith(SPARK_SUBMIT_TYPE.getClassName())) {
      cls=rewriteSetPropertiesAndDefineClass(name,is);
    }
 else     if (name.equals(SPARK_YARN_CLIENT_TYPE.getClassName()) && rewriteYarnClient) {
      cls=defineClient(name,is);
    }
 else     if (name.equals(SPARK_DSTREAM_GRAPH_TYPE.getClassName())) {
      cls=defineDStreamGraph(name,is);
    }
 else     if (name.equals(AKKA_REMOTING_TYPE.getClassName())) {
      cls=defineAkkaRemoting(name,is);
    }
 else     if (name.equals(YARNSPARKHADOOPUTIL_TYPE.getClassName())) {
      cls=defineHadoopSparkHadoopUtil(name,is);
    }
 else {
      cls=findClass(name);
    }
    if (resolve) {
      resolveClass(cls);
    }
    return cls;
  }
 catch (  IOException e) {
    throw new ClassNotFoundException("String_Node_Str" + name,e);
  }
}