Program: 37416
Project: 37416
Buggy source:
/** 
 * For a given source file and a list of line locations, return the fully qualified names of the type of the line location. If the line location points an empty line or invalid line, it returns a null fully qualified name.
 */
@Override public String[] getFullyQualifiedName(String uri,int[] lines,int[] columns) throws DebugException {
  if (uri == null) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (lines == null) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (columns == null) {
    columns=new int[lines.length];
  }
 else   if (lines.length != columns.length) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (lines.length == 0) {
    return new String[0];
  }
  final ASTParser parser=ASTParser.newParser(AST.JLS8);
  parser.setResolveBindings(true);
  parser.setBindingsRecovery(true);
  parser.setStatementsRecovery(true);
  CompilationUnit astUnit=null;
  String filePath=AdapterUtils.toPath(uri);
  if (filePath != null && Files.isRegularFile(Paths.get(filePath))) {
    Charset cs=(Charset)this.context.get(Constants.DEBUGGEE_ENCODING);
    if (cs == null) {
      cs=Charset.defaultCharset();
    }
    String source=readFile(filePath,cs);
    parser.setSource(source.toCharArray());
    astUnit=(CompilationUnit)parser.createAST(null);
  }
 else {
    ITypeRoot typeRoot=resolveClassFile(uri);
    if (typeRoot != null) {
      parser.setSource(typeRoot);
      astUnit=(CompilationUnit)parser.createAST(null);
    }
  }
  String[] fqns=new String[lines.length];
  if (astUnit != null) {
    for (int i=0; i < lines.length; i++) {
      ValidBreakpointLocationLocator locator=new ValidBreakpointLocationLocator(astUnit,lines[i],true,true);
      astUnit.accept(locator);
      if (lines[i] == locator.getLineLocation()) {
        fqns[i]=locator.getFullyQualifiedTypeName();
      }
    }
  }
  return fqns;
}

Fixed version (ground truth):
/** 
 * For a given source file and a list of line locations, return the fully qualified names of the type of the line location. If the line location points an empty line or invalid line, it returns a null fully qualified name.
 */
@Override public String[] getFullyQualifiedName(String uri,int[] lines,int[] columns) throws DebugException {
  if (uri == null) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (lines == null) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (columns == null) {
    columns=new int[lines.length];
  }
 else   if (lines.length != columns.length) {
    throw new IllegalArgumentException("String_Node_Str");
  }
  if (lines.length == 0) {
    return new String[0];
  }
  final ASTParser parser=ASTParser.newParser(AST.JLS8);
  parser.setResolveBindings(true);
  parser.setBindingsRecovery(true);
  parser.setStatementsRecovery(true);
  CompilationUnit astUnit=null;
  String filePath=AdapterUtils.toPath(uri);
  if (filePath != null && Files.isRegularFile(Paths.get(filePath))) {
    Charset cs=(Charset)this.context.get(Constants.DEBUGGEE_ENCODING);
    if (cs == null) {
      cs=Charset.defaultCharset();
    }
    String source=readFile(filePath,cs);
    parser.setSource(source.toCharArray());
    parser.setEnvironment(new String[0],new String[0],null,true);
    parser.setUnitName(Paths.get(filePath).getFileName().toString());
    Map<String,String> options=JavaCore.getOptions();
    options.put(JavaCore.COMPILER_SOURCE,JavaCore.VERSION_1_8);
    options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM,JavaCore.VERSION_1_8);
    options.put(JavaCore.COMPILER_COMPLIANCE,JavaCore.VERSION_1_8);
    parser.setCompilerOptions(options);
    astUnit=(CompilationUnit)parser.createAST(null);
  }
 else {
    ITypeRoot typeRoot=resolveClassFile(uri);
    if (typeRoot != null) {
      parser.setSource(typeRoot);
      astUnit=(CompilationUnit)parser.createAST(null);
    }
  }
  String[] fqns=new String[lines.length];
  if (astUnit != null) {
    for (int i=0; i < lines.length; i++) {
      ValidBreakpointLocationLocator locator=new ValidBreakpointLocationLocator(astUnit,lines[i],true,true);
      astUnit.accept(locator);
      if (lines[i] == locator.getLineLocation()) {
        fqns[i]=locator.getFullyQualifiedTypeName();
      }
    }
  }
  return fqns;
}