Program: 96102
Project: 96102
Buggy source:
/** 
 * This method will load the class which implements the   {@link IMonitoring} interface, and will invoke the "getAgent" method. 
 * @param parameters The AutConfigMap
 * @return agentString The agent String like -javaagent:myagent.jaror null if the monitoring agent String could't be generated
 */
protected String getMonitoringAgent(Map parameters){
  String autId=(String)parameters.get(AutConfigConstants.AUT_ID);
  MonitoringDataStore mds=MonitoringDataStore.getInstance();
  boolean duplicate=MonitoringUtil.checkForDuplicateAutID(autId);
  if (!duplicate) {
    mds.putConfigMap(autId,parameters);
  }
  String agentString=null;
  if (shouldAndCanRunWithMonitoring(parameters)) {
    String monitoringImplClass=(String)parameters.get(MonitoringConstants.AGENT_CLASS);
    String bundleId=(String)parameters.get(MonitoringConstants.BUNDLE_ID);
    try {
      Bundle bundle=Platform.getBundle(bundleId);
      if (bundle == null) {
        LOG.error("String_Node_Str");
        return null;
      }
      Class<?> monitoringClass=bundle.loadClass(monitoringImplClass);
      Constructor<?> constructor=monitoringClass.getConstructor();
      IMonitoring agentInstance=(IMonitoring)constructor.newInstance();
      agentInstance.setAutId(autId);
      agentInstance.setInstallDir(FileLocator.getBundleFile(bundle));
      agentString=agentInstance.createAgent();
      if (!duplicate) {
        mds.putMonitoringAgent(autId,agentInstance);
      }
    }
 catch (    InstantiationException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    IllegalAccessException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    SecurityException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    NoSuchMethodException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    IllegalArgumentException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    InvocationTargetException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    ClassNotFoundException e) {
      LOG.error("String_Node_Str",e);
    }
catch (    IOException e) {
      LOG.error("String_Node_Str",e);
    }
  }
  return agentString;
}

Fixed version (ground truth):
/** 
 * This method will load the class which implements the   {@link IMonitoring} interface, and will invoke the "getAgent" method. 
 * @param parameters The AutConfigMap
 * @return agentString The agent String like -javaagent:myagent.jaror null if the monitoring agent String couldn't be generated
 */
protected String getMonitoringAgent(Map parameters){
  String autId=(String)parameters.get(AutConfigConstants.AUT_ID);
  MonitoringDataStore mds=MonitoringDataStore.getInstance();
  boolean duplicate=MonitoringUtil.checkForDuplicateAutID(autId);
  if (!duplicate) {
    mds.putConfigMap(autId,parameters);
  }
  String agentString=null;
  String monitoringImplClass=(String)parameters.get(MonitoringConstants.AGENT_CLASS);
  String bundleId=(String)parameters.get(MonitoringConstants.BUNDLE_ID);
  try {
    Bundle bundle=Platform.getBundle(bundleId);
    if (bundle == null) {
      LOG.error("String_Node_Str");
      return null;
    }
    Class<?> monitoringClass=bundle.loadClass(monitoringImplClass);
    Constructor<?> constructor=monitoringClass.getConstructor();
    IMonitoring agentInstance=(IMonitoring)constructor.newInstance();
    agentInstance.setAutId(autId);
    agentInstance.setInstallDir(FileLocator.getBundleFile(bundle));
    agentString=agentInstance.createAgent();
    if (!duplicate) {
      mds.putMonitoringAgent(autId,agentInstance);
    }
  }
 catch (  InstantiationException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  IllegalAccessException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  SecurityException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  NoSuchMethodException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  IllegalArgumentException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  InvocationTargetException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  ClassNotFoundException e) {
    LOG.error("String_Node_Str",e);
  }
catch (  IOException e) {
    LOG.error("String_Node_Str",e);
  }
  return agentString;
}