#fixed code
                             @SuppressWarnings({ "rawtypes" })
	public int run(ItemCollection documentContext,
			ItemCollection documentActivity) throws PluginException {

		mailMessage = null;

		// check if mail is active?
		if ("1".equals(documentActivity.getItemValueString("keyMailInactive")))
			return Plugin.PLUGIN_OK;

		List vectorRecipients = getRecipients(documentContext, documentActivity);
		if (vectorRecipients.isEmpty()) {
			logger.fine("[MailPlugin] No Receipients defined for this Activity...");
			return Plugin.PLUGIN_OK;
		}

		try {

			// first initialize mail message object
			initMailMessage();

			if (mailMessage == null) {
				logger.warning("[MailPlugin] mailMessage = null");
				return Plugin.PLUGIN_WARNING;
			}

			// set FROM
			mailMessage.setFrom(getInternetAddress(getFrom(documentContext,
					documentActivity)));

			// set Recipient
			mailMessage.setRecipients(Message.RecipientType.TO,
					getInternetAddressArray(vectorRecipients));

			// build CC
			mailMessage.setRecipients(
					Message.RecipientType.CC,
					getInternetAddressArray(getRecipientsCC(documentContext,
							documentActivity)));

			// replay to?
			String sReplyTo = getReplyTo(documentContext, documentActivity);
			if ((sReplyTo != null) && (!sReplyTo.isEmpty())) {
				InternetAddress[] resplysAdrs = new InternetAddress[1];
				resplysAdrs[0] = getInternetAddress(sReplyTo);
				mailMessage.setReplyTo(resplysAdrs);
			}

			// set Subject
			mailMessage.setSubject(
					getSubject(documentContext, documentActivity),
					this.getCharSet());

			// set Body
			String aBodyText = getBody(documentContext, documentActivity);
			if (aBodyText == null) {
				aBodyText = "";
			}
			// set mailbody
			MimeBodyPart messagePart = new MimeBodyPart();
			logger.fine("[MailPlugin] ContentType: '" + getContentType() + "'");
			messagePart.setContent(aBodyText, getContentType());
			// append message part
			mimeMultipart.addBodyPart(messagePart);
			// mimeMulitPart object can be extended from subclases

		} catch (Exception e) {
			logger.warning("[MailPlugin] run - Warning:" + e.toString());
			e.printStackTrace();
			return Plugin.PLUGIN_WARNING;
		}

		return Plugin.PLUGIN_OK;
	}
#vulnerable code 
                             @SuppressWarnings({ "rawtypes" })
	public int run(ItemCollection documentContext,
			ItemCollection documentActivity) throws PluginException {

		mailMessage = null;

		// check if mail is active?
		if ("1".equals(documentActivity.getItemValueString("keyMailInactive")))
			return Plugin.PLUGIN_OK;

		List vectorRecipients = getRecipients(documentContext, documentActivity);
		if (vectorRecipients.isEmpty()) {
			logger.fine("[MailPlugin] No Receipients defined for this Activity...");
			return Plugin.PLUGIN_OK;
		}

		try {

			// first initialize mail message object
			initMailMessage();

			// set FROM
			mailMessage.setFrom(getInternetAddress(getFrom(documentContext,
					documentActivity)));

			// set Recipient
			mailMessage.setRecipients(Message.RecipientType.TO,
					getInternetAddressArray(vectorRecipients));

			// build CC
			mailMessage.setRecipients(
					Message.RecipientType.CC,
					getInternetAddressArray(getRecipientsCC(documentContext,
							documentActivity)));

			// replay to?
			String sReplyTo = getReplyTo(documentContext, documentActivity);
			if ((sReplyTo != null) && (!sReplyTo.isEmpty())) {
				InternetAddress[] resplysAdrs = new InternetAddress[1];
				resplysAdrs[0] = getInternetAddress(sReplyTo);
				mailMessage.setReplyTo(resplysAdrs);
			}

			// set Subject
			mailMessage.setSubject(
					getSubject(documentContext, documentActivity),
					this.getCharSet());

			// set Body
			String aBodyText = getBody(documentContext, documentActivity);
			if (aBodyText == null) {
				aBodyText = "";
			}
			// set mailbody
			MimeBodyPart messagePart = new MimeBodyPart();
			logger.fine("[MailPlugin] ContentType: '" + getContentType() + "'");
			messagePart.setContent(aBodyText, getContentType());
			// append message part
			mimeMultipart.addBodyPart(messagePart);
			// mimeMulitPart object can be extended from subclases

		} catch (Exception e) {
			logger.warning("[MailPlugin] run - Warning:" + e.toString());
			e.printStackTrace();
			return Plugin.PLUGIN_WARNING;
		}

		return Plugin.PLUGIN_OK;
	} 
                            #location 23 
                            #vulnerability type NULL_DEREFERENCE