Examples of org.apache.vinci.transport.ServiceException

org.apache.vinci.transport.ServiceException
Special exception thrown by VinciClient indicating an "application level" error or exception. Vinci services can also throw this exception and an equivalent exception will arise on the other side. Other ways to cause an exception to be returned on the other side is to simply return an ErrorFrame. An ErrorFrame allows arbitrary other information to be returned along with the exception message. If a Vinci service throws a ServiceException, then this is equivalent to returning a Vinci ErrorFrame as returned by the single ErrorFrame constructor.

  public static AFrame xmlToAFrame(Reader r) throws ServiceException {
    XMLReader xr;
    try {
      xr = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
    } catch (SAXException e) {
      throw new ServiceException("Error creating SAX Parser: " + e);
    } catch (ParserConfigurationException e) {
      throw new ServiceException("Error creating SAX Parser: " + e);
    }
    // prevent undeclared namespace warnings.
    try {
      xr.setFeature("http://xml.org/sax/features/namespaces", false);
      AFrameHandler handler = new AFrameHandler();
      xr.setContentHandler(handler);
      xr.setErrorHandler(handler);
      xr.parse(new InputSource(r));
      return (AFrame) handler.top.component;
    } catch (IOException e) {
      Debug.reportException(e);
      throw new ServiceException("Reader IO error: " + e);
    } catch (SAXException e) {
      Debug.reportException(e);
      throw new ServiceException("XML Parse error: " + e);
    }
  }

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      XTalkTransporter.writeInt(1, os);
      XMLReader xr;
      try {
        xr = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
      } catch (SAXException e) {
        throw new ServiceException("Error creating SAX Parser: " + e);
      } catch (ParserConfigurationException e) {
        throw new ServiceException("Error creating SAX Parser: " + e);
      }
      if (xml_os != null) {
        xml_os.write("<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n");
      }
      // prevent undeclared namespace warnings.
      try {
        xr.setFeature("http://xml.org/sax/features/namespaces", false);
        handler = new XTalkHandler(os, purgeWhitespace, xml_os);
        xr.setContentHandler(handler);
        xr.setErrorHandler(handler);
        xr.parse(new InputSource(r));
        Debug.p("Final depth: " + handler.depth);
        Debug.p("Final child list size: " + handler.countList.size());
      } catch (SAXException e) {
        Debug.reportException(e);
        throw new ServiceException("XML Parse error: " + e);
      }
    } finally {
      os.close();
      if (xml_os != null) {
        xml_os.close();

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      UIMAFramework.getLogger().log(Level.FINE, "CAS Annotation Count::" + totalAnnots);


      return responseFrame;
    } catch (Throwable ex) {
      UIMAFramework.getLogger().log(Level.SEVERE, "", ex);
      throw new ServiceException("Unexpected exception in analyze(): " + ex);
    } finally {
      // release CAS back to pool
      if (cas != null) {
        mCasPool.releaseCas(cas);
      }

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    UIMAFramework.getLogger().log(Level.FINEST, "Command::" + op);
    if (Constants.GETMETA.equals(op)) {
      try {
        return this.getMetaData();
      } catch (Exception ex) {
        throw new ServiceException("getMetaData() threw exception: " + ex);
      }
    } else if (Constants.PROCESS_CAS.equals(op) || Constants.ANNOTATE.equals(op)) {
      return analyze(frame);
    } else if (Constants.BATCH_PROCESS_COMPLETE.equals(op)) {
      try {
        mAE.batchProcessComplete(new ProcessTrace_impl());
        return null; // one way call - do NOT return anything, not
        // even an empty frame
      } catch (IOException e) {
        throw new ServiceException("IOException: " + e);
      } catch (ResourceProcessException e) {
        throw new ServiceException("ResourceProcessException: " + e);
      }
    } else if (Constants.COLLECTION_PROCESS_COMPLETE.equals(op)) {
      try {
        mAE.collectionProcessComplete(new ProcessTrace_impl());
        return new VinciFrame(); // no return value - return empty
        // frame
      } catch (IOException e) {
        throw new ServiceException("IOException: " + e);
      } catch (ResourceProcessException e) {
        throw new ServiceException("ResourceProcessException: " + e);
      }
    } else if (Constants.IS_STATELESS.equals(op)) {
      return new AFrame().fadd("Result", mAE.isStateless());
    } else if (Constants.IS_READONLY.equals(op)) {
      return new AFrame().fadd("Result", mAE.isReadOnly());

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                  new Object[] { Thread.currentThread().getName(), serviceHost, servicePort });
          connect(serviceHost, Integer.parseInt(servicePort));
        }
      } catch (ConnectException ce) {
        if (serviceName != null) {
          throw new ServiceException(CpmLocalizedMessage.getLocalizedMessage(
                  CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                  "UIMA_CPM_EXP_unable_to_connect_toservice__WARNING", new Object[] {
                      Thread.currentThread().getName(), serviceName }));
        } else {
          throw new ServiceException(CpmLocalizedMessage.getLocalizedMessage(
                  CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_EXP_unable_to_connect__WARNING",
                  new Object[] { Thread.currentThread().getName(), serviceHost, servicePort }));


        }

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                  String.valueOf(conn.getPort()) });


      UIMAFramework.getLogger(this.getClass()).log(Level.WARNING, Thread.currentThread().getName(),
              vnse);
      conn.close();
      throw new ServiceException(vnse.getMessage());
    } catch (ServiceDownException sde) {
      UIMAFramework.getLogger(this.getClass()).logrb(
              Level.WARNING,
              this.getClass().getName(),
              "process",
              CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
              "UIMA_CPM_failed_service_request__WARNING",
              new Object[] { Thread.currentThread().getName(), conn.getHost(),
                  String.valueOf(conn.getPort()) });
      UIMAFramework.getLogger(this.getClass()).log(Level.WARNING, Thread.currentThread().getName(),
              sde);
      conn.close();
      throw new ServiceConnectionException(sde.getMessage());
    } catch (ServiceException sde) {
      UIMAFramework.getLogger(this.getClass()).logrb(
              Level.WARNING,
              this.getClass().getName(),
              "process",
              CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
              "UIMA_CPM_failed_service_request__WARNING",
              new Object[] { Thread.currentThread().getName(), conn.getHost(),
                  String.valueOf(conn.getPort()) });
      UIMAFramework.getLogger(this.getClass()).log(Level.WARNING, Thread.currentThread().getName(),
              sde);
      if (sde.getMessage().equals("Unknown command") && aFrame != null) {
        UIMAFramework.getLogger(this.getClass()).log(Level.INFO, aFrame.toXML());
      }
      throw new ServiceConnectionException(sde.getMessage());
    } catch (IOException e) {
      UIMAFramework.getLogger(this.getClass()).logrb(
              Level.WARNING,
              this.getClass().getName(),
              "process",
              CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
              "UIMA_CPM_failed_service_request__WARNING",
              new Object[] { Thread.currentThread().getName(), conn.getHost(),
                  String.valueOf(conn.getPort()) });
      UIMAFramework.getLogger(this.getClass()).log(Level.WARNING, Thread.currentThread().getName(),
              e);
      conn.close();
      if (System.getProperty("TEST_BEFORE_SEND") != null) {
        testAndReconnect();
      }
      if (e instanceof SocketTimeoutException) {
        UIMAFramework.getLogger(this.getClass()).log(Level.WARNING,
                Thread.currentThread().getName() + "  Exception Cause::" + e.getClass().getName());
        throw new ServiceConnectionException(e);
      }
      throw new ServiceConnectionException(CpmLocalizedMessage.getLocalizedMessage(
              CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_EXP_service_timeout__WARNING",
              new Object[] { Thread.currentThread().getName(), conn.getHost(),
                  String.valueOf(conn.getPort()), String.valueOf(currentTimeout) }));
    } catch (Exception e) {
      UIMAFramework.getLogger(this.getClass()).logrb(
              Level.WARNING,
              this.getClass().getName(),
              "process",
              CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
              "UIMA_CPM_failed_service_request__WARNING",
              new Object[] { Thread.currentThread().getName(), conn.getHost(),
                  String.valueOf(conn.getPort()) });
      UIMAFramework.getLogger(this.getClass()).log(Level.WARNING, Thread.currentThread().getName(),
              e);


      conn.close();
      throw new ServiceException(e.getMessage());
    }


  }

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        UIMAFramework.getLogger(this.getClass()).logrb(Level.FINER, this.getClass().getName(),
                "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_exception__FINER",
                new Object[] { Thread.currentThread().getName(), ex.getMessage() });
        UIMAFramework.getLogger(this.getClass()).log(Level.FINER, "", ex);
      }
      throw new ServiceException(ex.getMessage());
    }
  }

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      AFrame responseFrame = sendAndReceive(query);
      // no longer need the query object
      query = null;
      totalRoundTripTime += (uimaTimer.getTimeInMillis() - t);
      if ((responseFrame != null) && (responseFrame.fgetString("Error") != null)) {
        throw new ServiceException(responseFrame.fgetString("Error"));
      }


      if (System.getProperty("SHOW_RAW_RESPFRAME") != null) {
        UIMAFramework.getLogger(this.getClass()).log(Level.INFO,
                " responseFrame from service::" + serviceName + "\n" + responseFrame.toXML());
      }


      if (responseFrame.fgetAFrame("DATA") == null) {
        // No annotations found in reply so just leave
        return aCasList;
      }
      ArrayList d = responseFrame.fget("DATA");
      int instanceCount = 0;
      // Process response, DATA frame at a time. Each DATA frame corresponds to an instance of
      // CasData
      AFrame dataFrame = null;
      while (!(d.isEmpty())) {
        dataFrame = (AFrame) d.remove(0);
        try {
          if (System.getProperty("SHOW_RESPFRAME") != null) {
            UIMAFramework.getLogger(this.getClass()).log(Level.INFO,
                    " Converting XCAS in responseFrame to CasData.XCAS=" + dataFrame.toXML());
          }
          long eTime = uimaTimer.getTimeInMillis();
          // When configured use WF serializer which is faster than the alternative SAX based one
          if (System.getProperty("WF_SERIALIZER") != null) {
            addKeysToDataCas(aCasList[instanceCount], dataFrame);
          } else {
            // We will call vinciCasDataConverter to convert response frame to a new
            // CasData. BUT, we also need to preserve the document text from the request,
            // since it may not be echoed by the service.
            CasData newCasData = new CasDataImpl();
            FeatureStructure casDataFs = this.getDocTextFeatureStructure(aCasList[instanceCount]);
            if (casDataFs != null) {
              newCasData.addFeatureStructure(casDataFs);
            }
            vinciCasDataConverter.appendVinciFrameToCasData(dataFrame.fgetAFrame("KEYS"),
                    newCasData);
            aCasList[instanceCount] = newCasData;
          }
          totalDeSerializeTime += (uimaTimer.getTimeInMillis() - eTime);


          if (System.getProperty("SHOWFRAME") != null) {
            UIMAFramework.getLogger(this.getClass()).log(Level.INFO, " dumping CasData-\n");
            dumpFeatures(aCasList[instanceCount]);
          }


          if (dataFrame != null) {
            FeatureStructure vfs = new FeatureStructureImpl();
            vfs.setType(org.apache.uima.collection.impl.cpm.Constants.STAT_FEATURE);


            String frame2CasTime = dataFrame.fgetString(Constants.FRAME_TO_CAS_TIME);
            if (frame2CasTime != null) {
              PrimitiveValue pv = new PrimitiveValueImpl(frame2CasTime);
              vfs.setFeatureValue(Constants.FRAME_TO_CAS_TIME, pv);
            }
            String annotationTime = dataFrame.fgetString(Constants.ANNOTATION_TIME);
            if (annotationTime != null) {
              PrimitiveValue pv = new PrimitiveValueImpl(annotationTime);
              vfs.setFeatureValue(Constants.ANNOTATION_TIME, pv);
            }
            String cas2FrameTime = dataFrame.fgetString(Constants.CAS_TO_FRAME_TIME);
            if (cas2FrameTime != null) {
              PrimitiveValue pv = new PrimitiveValueImpl(cas2FrameTime);
              vfs.setFeatureValue(Constants.CAS_TO_FRAME_TIME, pv);
            }
            aCasList[instanceCount].addFeatureStructure(vfs);
          }
          instanceCount++;
        } catch (Exception e) {
          if (UIMAFramework.getLogger().isLoggable(Level.FINER)) {
            UIMAFramework.getLogger(this.getClass()).logrb(
                    Level.FINER,
                    this.getClass().getName(),
                    "process",
                    CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                    "UIMA_CPM_exception__FINER",
                    new Object[] { Thread.currentThread().getName(), e.getMessage(),
                        dataFrame.toXML() });
            e.printStackTrace();
          }
          dataFrame.toXML();
        }
      }
      aPT.endEvent(aResourceName, "Vinci Call", "");
      if (UIMAFramework.getLogger().isLoggable(Level.FINEST)) {
        UIMAFramework.getLogger(this.getClass()).logrb(Level.FINEST, this.getClass().getName(),
                "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                "UIMA_CPM_done_analyzing_bundle__FINEST",
                new Object[] { Thread.currentThread().getName(), String.valueOf(aCasList.length) });
      }
      return aCasList;


    } catch (ServiceException e) {
      if (UIMAFramework.getLogger().isLoggable(Level.SEVERE)) {
        UIMAFramework.getLogger(this.getClass()).logrb(Level.SEVERE, this.getClass().getName(),
                "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE, "UIMA_CPM_service_exception__SEVERE",
                new Object[] { Thread.currentThread().getName(), e.getMessage() });
      }
      e.printStackTrace();
      throw e;
    } catch (ServiceConnectionException e) {
      if (UIMAFramework.getLogger().isLoggable(Level.SEVERE)) {
        UIMAFramework.getLogger(this.getClass()).logrb(Level.SEVERE, this.getClass().getName(),
                "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                "UIMA_CPM_service_connection_exception__SEVERE",
                new Object[] { Thread.currentThread().getName(), e.getMessage() });
      }
      e.printStackTrace();
      throw e;
    } catch (Exception ex) {
      ex.printStackTrace();
      throw new ServiceException(ex.getMessage());
    }
  }

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