Examples of org.apache.turbine.util.TurbineException

org.apache.turbine.util.TurbineException

The base class of all exceptions thrown by Turbine. It is intended to ease the debugging by carrying on the information about the exception which was caught and provoked throwing the current exception. Catching and rethrowing may occur multiple times, and provided that all exceptions except the first one are descendands of TurbineException, when the exception is finally printed out using any of the printStackTrace() methods, the stacktrace will contain the information about all exceptions thrown and caught on the way.

Running the following program

 1 import org.apache.turbine.util.TurbineException; 2 3 public class Test { 4     public static void main( String[] args ) { 5         try { 6             a(); 7         } catch(Exception e) { 8             e.printStackTrace(); 9         } 10      } 11 12      public static void a() throws TurbineException { 13          try { 14              b(); 15          } catch(Exception e) { 16              throw new TurbineException("foo", e); 17          } 18      } 19 20      public static void b() throws TurbineException { 21          try { 22              c(); 23          } catch(Exception e) { 24              throw new TurbineException("bar", e); 25          } 26      } 27 28      public static void c() throws TurbineException { 29          throw new Exception("baz"); 30      } 31 }

Yields the following stacktrace:

 java.lang.Exception: baz: bar: foo at Test.c(Test.java:29) at Test.b(Test.java:22) rethrown as TurbineException: bar at Test.b(Test.java:24) at Test.a(Test.java:14) rethrown as TurbineException: foo at Test.a(Test.java:16) at Test.main(Test.java:6)

@author Rafal Krzewski @author Daniel Rall @author Quinton McCombs @version $Id: TurbineException.java 278822 2005-09-05 19:53:05Z henning $

                            ((Recyclable) instance).recycle();
                        }
                    }
                    catch (Exception x)
                    {
                        throw new TurbineException(
                                "Recycling failed for " + instance.getClass().getName(), x);
                    }
                }
            }
            return instance;

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            throws TurbineException
    {
        String contentType = req.getHeader(CONTENT_TYPE);
        if (!contentType.startsWith(MULTIPART_FORM_DATA))
        {
            throw new TurbineException("the request doesn't contain a " +
                    MULTIPART_FORM_DATA + " stream");
        }
        int requestSize = req.getContentLength();
        if (requestSize == -1)
        {
            throw new TurbineException("the request was rejected because " +
                    "it's size is unknown");
        }
        if (requestSize > getSizeMax())
        {
            throw new TurbineException("the request was rejected because " +
                    "it's size exceeds allowed range");
        }


        try
        {
            List fileList = fileUpload
                    .parseRequest(req,
                            getSizeThreshold(),
                            getSizeMax(),
                            path);


            if (fileList != null)
            {
                for (Iterator it = fileList.iterator(); it.hasNext();)
                {
                    FileItem fi = (FileItem) it.next();
                    if (fi.isFormField())
                    {
                        log.debug("Found an simple form field: " + fi.getFieldName() +", adding value " + fi.getString());


                        String value = null;
                        try
                        {
                            value = fi.getString(params.getCharacterEncoding());
                        }
                        catch (UnsupportedEncodingException e)
                        {
                            log.error(params.getCharacterEncoding()
                                    + " encoding is not supported."
                                    + "Used the default when reading form data.");
                            value = fi.getString();
                        }
                        params.add(fi.getFieldName(), value);
                    }
                    else
                    {
                        log.debug("Found an uploaded file: " + fi.getFieldName());
                        log.debug("It has " + fi.getSize() + " Bytes and is " + (fi.isInMemory() ? "" : "not ") + "in Memory");
                        log.debug("Adding FileItem as " + fi.getFieldName() + " to the params");
                        params.add(fi.getFieldName(), fi);
                    }
                }
            }
        }
        catch (FileUploadException e)
        {
            throw new TurbineException(e);
        }
    }

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            {
                // we should have an IP
                StringTokenizer stok = new StringTokenizer(addr, ".");
                if (stok.countTokens() != 4)
                {
                    throw new TurbineException(errorString + addr);
                }
                // this is meant to insure that id's made from ip addresses
                // will not conflict with MAC id's. I think MAC addresses
                // will never have the highest bit set.  Though this should
                // be investigated further.
                address[0] = (byte) 255;
                address[1] = (byte) 255;
                int i = 2;
                try
                {
                    while (stok.hasMoreTokens())
                    {
                        address[i++] =
                                Integer.valueOf(stok.nextToken(),
                                        16).byteValue();
                    }
                }
                catch (Exception e)
                {
                    throw new TurbineException(errorString + addr, e);
                }
            }
            else if (addr.indexOf(":") > 0)
            {
                // we should have a MAC
                StringTokenizer stok = new StringTokenizer(addr, ":");
                if (stok.countTokens() != 6)
                {
                    throw new TurbineException(errorString + addr);
                }
                int i = 0;
                try
                {
                    while (stok.hasMoreTokens())
                    {
                        address[i++] = Byte.parseByte(stok.nextToken(), 16);
                    }
                }
                catch (Exception e)
                {
                    throw new TurbineException(errorString + addr, e);
                }
            }
            else
            {
                throw new TurbineException(errorString + addr);
            }
        }
    }

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        /** template name with relative path */
        String relativeTemplateName = getRelativeTemplateName(templateName);


        if (StringUtils.isEmpty(relativeTemplateName))
        {
            throw new TurbineException(
                "Template " + templateName + " not found in template paths");
        }


        // get the RequestDispatcher for the JSP
        RequestDispatcher dispatcher = data.getServletContext()
            .getRequestDispatcher(relativeTemplateName);


        try
        {
            if (isForward)
            {
                // forward the request to the JSP
                dispatcher.forward(data.getRequest(), data.getResponse());
            }
            else
            {
                data.getOut().flush();
                // include the JSP
                dispatcher.include(data.getRequest(), data.getResponse());
            }
        }
        catch (Exception e)
        {
            // as JSP service is in Alpha stage, let's try hard to send the
            // error message to the browser, to speed up debugging
            try
            {
                data.getOut().print("Error encountered processing a template: "
                    + templateName);
                e.printStackTrace(data.getOut());
            }
            catch (IOException ignored)
            {
            }


            // pass the exception to the caller according to the general
            // contract for tamplating services in Turbine
            throw new TurbineException(
                "Error encountered processing a template: " + templateName, e);
        }
    }

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        }
        catch (Exception e)
        {
            String errorMessage = "Problem updating Scheduled Job: " + je.getTask();
            log.error(errorMessage, e);
            throw new TurbineException(errorMessage, e);
        }
    }

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        // Get the specified configuration.
        String[] cfg = (String[]) configurations.get(key);
        if (cfg == null)
        {
            throw new TurbineException("RunTime configuration '" + key + "' is undefined");
        }


        TurbineRunData data;
        try
        {
            data = (TurbineRunData) pool.getInstance(cfg[0]);
            data.setParameterParser((ParameterParser) pool.getInstance(cfg[1]));
            data.setCookieParser((CookieParser) pool.getInstance(cfg[2]));
        }
        catch (ClassCastException x)
        {
            throw new TurbineException("RunData configuration '" + key + "' is illegal", x);
        }


        // Set the request and response.
        data.setRequest(req);
        data.setResponse(res);

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    private static void renderingError(String filename, Exception e)
            throws TurbineException
    {
        String err = "Error rendering Velocity template: " + filename;
        log.error(err, e);
        throw new TurbineException(err, e);
    }

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            if (screen == null)
            {
                String errMsg = "Couldn't map Template "
                    + template + " to any Screen class!";
                log.error(errMsg);
                throw new TurbineException(errMsg);
            }
            data.setScreen(screen);
        }
    }

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                    {
                        data.getPage().setDoctype(new Doctype.Html40Frameset());
                    }
                    else
                    {
                        throw new TurbineException(errMsg);
                    }
                    break;
                }
            case 2:
                {
                    data.getPage()
                        .setDoctype(new Doctype()
                                    .setIdentifier((String) doctypeProperty.get(0))
                                    .setUri((String) doctypeProperty.get(1)));
                    break;
                }
            default:
                {
                    throw new TurbineException(errMsg);
                }
            }
        }
    }

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        }
        catch (TorqueException e)
        {
            String errorMessage = "Error retrieving job from persistent storage.";
            log.error(errorMessage, e);
            throw new TurbineException(errorMessage, e);
        }
    }

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