Program: 85410
Project: 85410
Buggy source:
@Override public void execute() throws MojoExecutionException, MojoFailureException {
  getComponentProperties().put("String_Node_Str","String_Node_Str");
  getComponentProperties().put("String_Node_Str",(sourceDirectory != null) ? sourceDirectory : "String_Node_Str");
  File revengFile=new File("String_Node_Str");
  if (revengFile.exists() && getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str","String_Node_Str");
  }
  if (getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str","String_Node_Str");
  }
  File existingConfig=new File(getComponentProperty("String_Node_Str"));
  if (!existingConfig.exists()) {
    InputStream in=this.getClass().getResourceAsStream("String_Node_Str");
    StringBuffer configFile=new StringBuffer();
    try {
      InputStreamReader isr=new InputStreamReader(in);
      BufferedReader reader=new BufferedReader(isr);
      String line;
      while ((line=reader.readLine()) != null) {
        configFile.append(line).append("String_Node_Str");
      }
      reader.close();
      getLog().info("String_Node_Str" + existingConfig.getPath());
      FileUtils.writeStringToFile(existingConfig,configFile.toString());
    }
 catch (    IOException io) {
      throw new MojoFailureException(io.getMessage());
    }
  }
  if (getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str",getProject().getGroupId() + "String_Node_Str");
  }
  if (getComponentProperty("String_Node_Str") == null) {
    File jdbcProperties=new File("String_Node_Str");
    if (!jdbcProperties.exists()) {
      jdbcProperties=new File("String_Node_Str");
    }
    if (jdbcProperties.exists()) {
      if (getComponentProperty("String_Node_Str") == null) {
        getComponentProperties().put("String_Node_Str",jdbcProperties.getPath());
        getLog().debug("String_Node_Str" + jdbcProperties.getPath() + "String_Node_Str");
      }
    }
 else {
      throw new MojoFailureException("String_Node_Str");
    }
  }
  super.doExecute();
  if (System.getProperty("String_Node_Str") != null) {
    disableInstallation=Boolean.valueOf(System.getProperty("String_Node_Str"));
  }
  if (!disableInstallation) {
    try {
      String packageName=getComponentProperties().get("String_Node_Str").toString();
      String packageAsDir=packageName.replaceAll("String_Node_Str","String_Node_Str");
      File dir=new File(sourceDirectory + "String_Node_Str" + packageAsDir);
      if (dir.exists()) {
        Iterator filesIterator=FileUtils.iterateFiles(dir,new String[]{"String_Node_Str"},false);
        while (filesIterator.hasNext()) {
          File f=(File)filesIterator.next();
          getLog().info("String_Node_Str" + f.getName() + "String_Node_Str");
          FileUtils.copyFileToDirectory(f,new File(destinationDirectory + "String_Node_Str" + dir));
        }
      }
 else {
        throw new MojoFailureException("String_Node_Str");
      }
    }
 catch (    IOException io) {
      throw new MojoFailureException(io.getMessage());
    }
  }
}

Fixed version (ground truth):
@Override public void execute() throws MojoExecutionException, MojoFailureException {
  getComponentProperties().put("String_Node_Str","String_Node_Str");
  getComponentProperties().put("String_Node_Str",(sourceDirectory != null) ? sourceDirectory : "String_Node_Str");
  File revengFile=new File("String_Node_Str");
  if (revengFile.exists() && getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str","String_Node_Str");
  }
  if (getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str","String_Node_Str");
  }
  File existingConfig=new File(getComponentProperty("String_Node_Str"));
  if (!existingConfig.exists()) {
    InputStream in=this.getClass().getResourceAsStream("String_Node_Str");
    StringBuffer configFile=new StringBuffer();
    try {
      InputStreamReader isr=new InputStreamReader(in);
      BufferedReader reader=new BufferedReader(isr);
      String line;
      while ((line=reader.readLine()) != null) {
        configFile.append(line).append("String_Node_Str");
      }
      reader.close();
      getLog().info("String_Node_Str" + existingConfig.getPath());
      FileUtils.writeStringToFile(existingConfig,configFile.toString());
    }
 catch (    IOException io) {
      throw new MojoFailureException(io.getMessage());
    }
  }
  if (getComponentProperty("String_Node_Str") == null) {
    getComponentProperties().put("String_Node_Str",getProject().getGroupId() + "String_Node_Str");
  }
  if (getComponentProperty("String_Node_Str") == null) {
    File jdbcProperties=new File("String_Node_Str");
    if (!jdbcProperties.exists()) {
      jdbcProperties=new File("String_Node_Str");
    }
    if (jdbcProperties.exists()) {
      if (getComponentProperty("String_Node_Str") == null) {
        getComponentProperties().put("String_Node_Str",jdbcProperties.getPath());
        getLog().debug("String_Node_Str" + jdbcProperties.getPath() + "String_Node_Str");
      }
    }
 else {
      throw new MojoFailureException("String_Node_Str");
    }
  }
  super.doExecute();
  if (System.getProperty("String_Node_Str") != null) {
    disableInstallation=Boolean.valueOf(System.getProperty("String_Node_Str"));
  }
  if (!disableInstallation) {
    try {
      String packageName=getComponentProperties().get("String_Node_Str").toString();
      String packageAsDir=packageName.replaceAll("String_Node_Str","String_Node_Str");
      File dir=new File(sourceDirectory + "String_Node_Str" + packageAsDir);
      if (dir.exists()) {
        Iterator filesIterator=FileUtils.iterateFiles(dir,new String[]{"String_Node_Str"},false);
        while (filesIterator.hasNext()) {
          File f=(File)filesIterator.next();
          getLog().info("String_Node_Str" + f.getName() + "String_Node_Str");
          FileUtils.copyFileToDirectory(f,new File(destinationDirectory + "String_Node_Str" + packageAsDir));
        }
      }
 else {
        throw new MojoFailureException("String_Node_Str");
      }
    }
 catch (    IOException io) {
      throw new MojoFailureException(io.getMessage());
    }
  }
}