Program: 185060
Project: 185060
Buggy source:
public String cachedXPathGetString(String xpath,String prefixMappings) throws Docx4JException {
  if (cachedXPathAPI == null) {
    cachedXPathAPI=new CachedXPathAPI();
  }
  if (cachedPrefixMappings == null && prefixMappings != null) {
    cachedPrefixMappings=prefixMappings;
    getNamespaceContext().registerPrefixMappings(prefixMappings);
  }
  if (prefixMappings != null && !prefixMappings.equals(cachedPrefixMappings)) {
    getNamespaceContext().registerPrefixMappings(prefixMappings);
  }
  try {
    XObject xo=cachedXPathAPI.eval(doc,xpath,getNamespaceContext());
    if (xpath.contains("String_Node_Str") || xpath.trim().startsWith("String_Node_Str")) {
      if (xpath.contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath);
      }
 else {
        try {
          if (xo.bool(cachedXPathAPI.getXPathContext())) {
            return "String_Node_Str";
          }
 else {
            return "String_Node_Str";
          }
        }
 catch (        org.apache.xpath.XPathException e) {
          log.debug(e.getMessage());
        }
      }
    }
 else     if (xpath.trim().startsWith("String_Node_Str")) {
      if (xpath.contains("String_Node_Str") || xpath.contains("String_Node_Str") || xpath.contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath);
      }
 else {
        try {
          double d=xo.num(cachedXPathAPI.getXPathContext());
          if (xpath.trim().startsWith("String_Node_Str") && d == Math.rint(d)) {
            return "String_Node_Str" + Math.round(d);
          }
 else {
            return "String_Node_Str" + d;
          }
        }
 catch (        org.apache.xpath.XPathException e) {
          log.debug(e.getMessage());
        }
      }
    }
    try {
      Node result;
      if (log.isDebugEnabled()) {
        NodeIterator ni=xo.nodeset();
        result=ni.nextNode();
        Node nextNode=ni.nextNode();
        if (nextNode != null) {
          log.debug(xpath + "String_Node_Str");
        }
      }
 else {
        result=xo.nodeset().nextNode();
      }
      if (result == null) {
        log.debug(xpath + "String_Node_Str");
        return "String_Node_Str";
      }
      return result.getTextContent();
    }
 catch (    org.apache.xpath.XPathException e) {
      if (e.getMessage().contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath + "String_Node_Str"+ e.getMessage());
        if (xo.bool(cachedXPathAPI.getXPathContext())) {
          return "String_Node_Str";
        }
 else {
          return "String_Node_Str";
        }
      }
 else       if (e.getMessage().contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath + "String_Node_Str"+ e.getMessage());
        double d=xo.num(cachedXPathAPI.getXPathContext());
        if (xpath.trim().startsWith("String_Node_Str") && d == Math.rint(d)) {
          return "String_Node_Str" + Math.round(d);
        }
 else {
          return "String_Node_Str" + d;
        }
      }
 else {
        log.error(e.getMessage());
        log.error("String_Node_Str" + xpath);
        throw e;
      }
    }
  }
 catch (  TransformerException e) {
    log.error(System.getProperty("String_Node_Str"));
    log.error(System.getProperty("String_Node_Str"));
    log.error(Locale.getDefault().toString());
    throw new Docx4JException("String_Node_Str" + xpath,e);
  }
}

Fixed version (ground truth):
public String cachedXPathGetString(String xpath,String prefixMappings) throws Docx4JException {
  if (cachedXPathAPI == null) {
    cachedXPathAPI=new CachedXPathAPI();
  }
  if (cachedPrefixMappings == null && prefixMappings != null) {
    cachedPrefixMappings=prefixMappings;
    getNamespaceContext().registerPrefixMappings(prefixMappings);
  }
  if (prefixMappings != null && !prefixMappings.equals(cachedPrefixMappings)) {
    getNamespaceContext().registerPrefixMappings(prefixMappings);
  }
  try {
    XObject xo=cachedXPathAPI.eval(doc,xpath,getNamespaceContext());
    if (Docx4jProperties.getProperty("String_Node_Str",true)) {
      String trimmedXPath=xpath.trim();
      if (trimmedXPath.startsWith("String_Node_Str") || trimmedXPath.startsWith("String_Node_Str")) {
        try {
          if (xo.bool(cachedXPathAPI.getXPathContext())) {
            return "String_Node_Str";
          }
 else {
            return "String_Node_Str";
          }
        }
 catch (        org.apache.xpath.XPathException e) {
          log.debug(e.getMessage());
        }
      }
 else       if (trimmedXPath.startsWith("String_Node_Str")) {
        if (xpath.contains("String_Node_Str") || xpath.contains("String_Node_Str") || xpath.contains("String_Node_Str")) {
          log.debug("String_Node_Str" + xpath);
        }
 else {
          try {
            double d=xo.num(cachedXPathAPI.getXPathContext());
            if (xpath.trim().startsWith("String_Node_Str") && d == Math.rint(d)) {
              return "String_Node_Str" + Math.round(d);
            }
 else {
              return "String_Node_Str" + d;
            }
          }
 catch (          org.apache.xpath.XPathException e) {
            log.debug(e.getMessage());
          }
        }
      }
    }
    try {
      Node result;
      if (log.isDebugEnabled()) {
        NodeIterator ni=xo.nodeset();
        result=ni.nextNode();
        Node nextNode=ni.nextNode();
        if (nextNode != null) {
          log.debug(xpath + "String_Node_Str");
        }
      }
 else {
        result=xo.nodeset().nextNode();
      }
      if (result == null) {
        log.debug(xpath + "String_Node_Str");
        return "String_Node_Str";
      }
      return result.getTextContent();
    }
 catch (    org.apache.xpath.XPathException e) {
      if (e.getMessage().contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath + "String_Node_Str"+ e.getMessage());
        if (xo.bool(cachedXPathAPI.getXPathContext())) {
          return "String_Node_Str";
        }
 else {
          return "String_Node_Str";
        }
      }
 else       if (e.getMessage().contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath + "String_Node_Str"+ e.getMessage());
        double d=xo.num(cachedXPathAPI.getXPathContext());
        if (xpath.trim().startsWith("String_Node_Str") && d == Math.rint(d)) {
          return "String_Node_Str" + Math.round(d);
        }
 else {
          return "String_Node_Str" + d;
        }
      }
 else       if (e.getMessage().contains("String_Node_Str")) {
        log.debug("String_Node_Str" + xpath + "String_Node_Str"+ e.getMessage());
        return xo.xstr(cachedXPathAPI.getXPathContext()).toString();
      }
 else {
        log.error(e.getMessage());
        log.error("String_Node_Str" + xpath);
        throw e;
      }
    }
  }
 catch (  TransformerException e) {
    log.error(System.getProperty("String_Node_Str"));
    log.error(System.getProperty("String_Node_Str"));
    log.error(Locale.getDefault().toString());
    throw new Docx4JException("String_Node_Str" + xpath,e);
  }
}