output: #fixed code
                                  @Override
      public void process(final CommandProcess process) {
          int exitCode = 0;
          RowAffect affect = new RowAffect();
  
          try {
              Instrumentation inst = process.session().getInstrumentation();
              ClassLoader classloader = null;
              if (hashCode == null) {
                  classloader = ClassLoader.getSystemClassLoader();
              } else {
                  classloader = ClassLoaderUtils.getClassLoader(inst, hashCode);
                  if (classloader == null) {
                      process.write("Can not find classloader with hashCode: " + hashCode + ".\n");
                      exitCode = -1;
                      return;
                  }
              }
  
              DynamicCompiler dynamicCompiler = new DynamicCompiler(classloader);
  
              Charset charset = Charset.defaultCharset();
              if (encoding != null) {
                  charset = Charset.forName(encoding);
              }
  
              for (String sourceFile : sourcefiles) {
                  String sourceCode = FileUtils.readFileToString(new File(sourceFile), charset);
                  String name = new File(sourceFile).getName();
                  if (name.endsWith(".java")) {
                      name = name.substring(0, name.length() - ".java".length());
                  }
                  dynamicCompiler.addSource(name, sourceCode);
              }
  
              Map<String, byte[]> byteCodes = dynamicCompiler.buildByteCodes();
  
              File outputDir = null;
              if (this.directory != null) {
                  outputDir = new File(this.directory);
              } else {
                  outputDir = new File("").getAbsoluteFile();
              }
  
              process.write("Memory compiler output:\n");
              for (Entry<String, byte[]> entry : byteCodes.entrySet()) {
                  File byteCodeFile = new File(outputDir, entry.getKey().replace('.', '/') + ".class");
                  FileUtils.writeByteArrayToFile(byteCodeFile, entry.getValue());
                  process.write(byteCodeFile.getAbsolutePath() + '\n');
                  affect.rCnt(1);
              }
  
          } catch (Throwable e) {
              logger.warn("Memory compiler error", e);
              process.write("Memory compiler error, exception message: " + e.getMessage()
                              + ", please check $HOME/logs/arthas/arthas.log for more details. \n");
              exitCode = -1;
          } finally {
              process.write(affect + "\n");
              process.end(exitCode);
          }
      }
input: #vulnerable code 
                                  @Override
      public void process(final CommandProcess process) {
          int exitCode = 0;
          RowAffect affect = new RowAffect();
  
          try {
              Instrumentation inst = process.session().getInstrumentation();
              ClassLoader classloader = null;
              if (hashCode == null) {
                  classloader = ClassLoader.getSystemClassLoader();
              } else {
                  classloader = ClassLoaderUtils.getClassLoader(inst, hashCode);
                  if (classloader == null) {
                      process.write("Can not find classloader with hashCode: " + hashCode + ".\n");
                      exitCode = -1;
                      return;
                  }
              }
  
              DynamicCompiler dynamicCompiler = new DynamicCompiler(classloader, new Writer() {
                  @Override
                  public void write(char[] cbuf, int off, int len) throws IOException {
                      process.write(new String(cbuf, off, len));
                  }
  
                  @Override
                  public void flush() throws IOException {
                  }
  
                  @Override
                  public void close() throws IOException {
  
                  }
  
              });
  
              Charset charset = Charset.defaultCharset();
              if (encoding != null) {
                  charset = Charset.forName(encoding);
              }
  
              for (String sourceFile : sourcefiles) {
                  String sourceCode = FileUtils.readFileToString(new File(sourceFile), charset);
                  String name = new File(sourceFile).getName();
                  if (name.endsWith(".java")) {
                      name = name.substring(0, name.length() - ".java".length());
                  }
                  dynamicCompiler.addSource(name, sourceCode);
              }
  
              Map<String, byte[]> byteCodes = dynamicCompiler.buildByteCodes();
  
              File outputDir = null;
              if (this.directory != null) {
                  outputDir = new File(this.directory);
              } else {
                  outputDir = new File("").getAbsoluteFile();
              }
  
              process.write("Memory compiler output:\n");
              for (Entry<String, byte[]> entry : byteCodes.entrySet()) {
                  File byteCodeFile = new File(outputDir, entry.getKey().replace('.', '/') + ".class");
                  FileUtils.writeByteArrayToFile(byteCodeFile, entry.getValue());
                  process.write(byteCodeFile.getAbsolutePath() + '\n');
                  affect.rCnt(1);
              }
  
          } catch (Throwable e) {
              logger.warn("Memory compiler error", e);
              process.write("Memory compiler error, exception message: " + e.getMessage()
                              + ", please check $HOME/logs/arthas/arthas.log for more details. \n");
              exitCode = -1;
          } finally {
              process.write(affect + "\n");
              process.end(exitCode);
          }
      } 
                              #location 51 
                              #vulnerability type RESOURCE_LEAK