Program: 141754
Project: 141754
Buggy source:
public static boolean generateKarFile(Set<ExportKarBundleModel> bundleModels,RepositoryNode routerNode,String version,String destination) throws IOException {
  Property routeProperty=routerNode.getObject().getProperty();
  String itemName=routeProperty.getDisplayName();
  String projectName=routerNode.getObject().getProjectLabel().toLowerCase();
  ZipOutputStream output=new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(destination)));
  StringBuilder sb=new StringBuilder();
  sb.append("String_Node_Str").append(projectName).append("String_Node_Str").append(itemName).append("String_Node_Str");
  String groupPrefix=sb.toString();
  String featurePrefix=sb.append(itemName).append("String_Node_Str").append(version).append("String_Node_Str").append(itemName).append("String_Node_Str").append(version).append("String_Node_Str").toString();
  String groupId=CamelFeatureUtil.getMavenGroupId(routeProperty.getItem());
  FeaturesModel featuresModel=new FeaturesModel(groupId,itemName,version);
  for (  ExportKarBundleModel p : bundleModels) {
    if (p == null || p.getBundleFilePath() == null) {
      continue;
    }
    File f=new File(p.getBundleFilePath());
    if (!f.exists()) {
      continue;
    }
    RepositoryNode repositoryNode=p.getRepositoryNode();
    String displayName=repositoryNode.getObject().getProperty().getDisplayName();
    if (repositoryNode.equals(routerNode)) {
      displayName+="String_Node_Str";
    }
    ZipEntry entry=new ZipEntry(groupPrefix + displayName + "String_Node_Str"+ p.getRepositoryVersion()+ "String_Node_Str"+ f.getName());
    entry.setSize(f.length());
    entry.setTime(f.lastModified());
    output.putNextEntry(entry);
    byte[] buf=new byte[1024];
    int readLen=0;
    InputStream is=new BufferedInputStream(new FileInputStream(f));
    while ((readLen=is.read(buf)) != -1) {
      output.write(buf,0,readLen);
    }
    is.close();
    BundleModel bundleModel=new BundleModel(f,groupId,displayName,p.getRepositoryVersion());
    featuresModel.setContexts(getContextsMap(repositoryNode));
    featuresModel.addSubBundle(bundleModel);
    CamelFeatureUtil.addFeatureAndBundles(routerNode,featuresModel);
  }
  byte[] featureContent=featuresModel.toString().getBytes();
  ZipEntry entry=new ZipEntry(featurePrefix);
  entry.setSize(featureContent.length);
  entry.setTime(System.currentTimeMillis());
  output.putNextEntry(entry);
  output.write(featureContent);
  output.flush();
  output.close();
  return true;
}

Fixed version (ground truth):
public static boolean generateKarFile(Set<ExportKarBundleModel> bundleModels,RepositoryNode routerNode,String version,String destination) throws IOException {
  Property routeProperty=routerNode.getObject().getProperty();
  String itemName=routeProperty.getDisplayName();
  String projectName=routerNode.getObject().getProjectLabel().toLowerCase();
  File destFile=new File(destination);
  File parentDestFile=destFile.getParentFile();
  if (!parentDestFile.exists()) {
    parentDestFile.mkdirs();
  }
  ZipOutputStream output=new ZipOutputStream(new BufferedOutputStream(new FileOutputStream(destFile)));
  StringBuilder sb=new StringBuilder();
  sb.append("String_Node_Str").append(projectName).append("String_Node_Str").append(itemName).append("String_Node_Str");
  String groupPrefix=sb.toString();
  String featurePrefix=sb.append(itemName).append("String_Node_Str").append(version).append("String_Node_Str").append(itemName).append("String_Node_Str").append(version).append("String_Node_Str").toString();
  String groupId=CamelFeatureUtil.getMavenGroupId(routeProperty.getItem());
  FeaturesModel featuresModel=new FeaturesModel(groupId,itemName,version);
  for (  ExportKarBundleModel p : bundleModels) {
    if (p == null || p.getBundleFilePath() == null) {
      continue;
    }
    File f=new File(p.getBundleFilePath());
    if (!f.exists()) {
      continue;
    }
    RepositoryNode repositoryNode=p.getRepositoryNode();
    String displayName=repositoryNode.getObject().getProperty().getDisplayName();
    if (repositoryNode.equals(routerNode)) {
      displayName+="String_Node_Str";
    }
    ZipEntry entry=new ZipEntry(groupPrefix + displayName + "String_Node_Str"+ p.getRepositoryVersion()+ "String_Node_Str"+ f.getName());
    entry.setSize(f.length());
    entry.setTime(f.lastModified());
    output.putNextEntry(entry);
    byte[] buf=new byte[1024];
    int readLen=0;
    InputStream is=new BufferedInputStream(new FileInputStream(f));
    while ((readLen=is.read(buf)) != -1) {
      output.write(buf,0,readLen);
    }
    is.close();
    BundleModel bundleModel=new BundleModel(f,groupId,displayName,p.getRepositoryVersion());
    featuresModel.setContexts(getContextsMap(repositoryNode));
    featuresModel.addSubBundle(bundleModel);
    CamelFeatureUtil.addFeatureAndBundles(routerNode,featuresModel);
  }
  byte[] featureContent=featuresModel.toString().getBytes();
  ZipEntry entry=new ZipEntry(featurePrefix);
  entry.setSize(featureContent.length);
  entry.setTime(System.currentTimeMillis());
  output.putNextEntry(entry);
  output.write(featureContent);
  output.flush();
  output.close();
  return true;
}