Examples of org.apache.thrift.TApplicationException

org.apache.thrift.TApplicationException
Application level exception

   */
  public void receiveBase(TBase result, String methodName) throws TException {
    // Read the service response - same as in TServiceClient#receiveBase
      TMessage msg = iprot_.readMessageBegin();
      if (msg.type == TMessageType.EXCEPTION) {
        TApplicationException x = TApplicationException.read(iprot_);
        iprot_.readMessageEnd();
        throw x;
      }
      if (msg.seqid != this.seqid_) {
        throw new TApplicationException(TApplicationException.BAD_SEQUENCE_ID, methodName + " failed: out of sequence response");
      }
      result.read(iprot_);
      iprot_.readMessageEnd();  
      
      // now relay the response to the client

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        TTransport transport = new TIOStreamTransport( bos );


        TBinaryProtocol protocol = new TBinaryProtocol( transport );


        TApplicationException exception = new TApplicationException();


        int messageLength, headerLength;
        // prepare
        protocol.writeI16( ThriftCodec.MAGIC );
        protocol.writeI32( Integer.MAX_VALUE );
        protocol.writeI16( Short.MAX_VALUE );
        protocol.writeByte( ThriftCodec.VERSION );
        protocol.writeString( Demo.class.getName() );
        protocol.writeI64( request.getId() );
        protocol.getTransport().flush();
        headerLength = bos.size();


        protocol.writeMessageBegin( message );
        exception.write( protocol );
        protocol.writeMessageEnd();
        protocol.getTransport().flush();
        int oldIndex = messageLength = bos.size();


        try {

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        TMessage message = protocol.readMessageBegin();
        Assert.assertEquals( "echoString", message.name );
        Assert.assertEquals( TMessageType.EXCEPTION, message.type );
        Assert.assertEquals( ThriftCodec.getSeqId(), message.seqid );
        TApplicationException exception = TApplicationException.read( protocol );
        protocol.readMessageEnd();


        Assert.assertEquals( exceptionMessage, exception.getMessage() );


    }

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            // TODO: check for non-null return from a void function?
            return null;
        }


        if (results == null) {
            throw new TApplicationException(TApplicationException.MISSING_RESULT, name + " failed: unknown result");
        }
        return results;
    }

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    {
        long start = nanoTime();


        TMessage message = in.readMessageBegin();
        if (message.type == EXCEPTION) {
            TApplicationException exception = TApplicationException.read(in);
            in.readMessageEnd();
            throw exception;
        }
        if (message.type != REPLY) {
            throw new TApplicationException(INVALID_MESSAGE_TYPE,
                                            "Received invalid message type " + message.type + " from server");
        }
        if (!message.name.equals(this.name)) {
            throw new TApplicationException(WRONG_METHOD_NAME,
                                            "Wrong method name in reply: expected " + this.name + " but received " + message.name);
        }
        if (message.seqid != sequenceId) {
            throw new TApplicationException(BAD_SEQUENCE_ID, name + " failed: out of sequence response");
        }


        stats.addInvokeTime(nanosSince(start));
    }

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            ThriftMethodHandler methodHandler = methods.get(method);


            try {
                if (methodHandler == null) {
                    throw new TApplicationException(UNKNOWN_METHOD, "Unknown method : '" + method + "'");
                }
                return methodHandler.invoke(channel,
                                            inputTransport,
                                            outputTransport,
                                            inputProtocol,

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            try {
                Thread.sleep(100);
                logEntries.addAll(messages);
            }
            catch (InterruptedException e) {
                throw new TApplicationException(TApplicationException.UNKNOWN);
            }
            return com.facebook.swift.service.scribe.ResultCode.OK;
        }

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                                  exceptionCodec.getCodec(),
                                  e);
                    contextChain.postWriteException(methodName, e);
                } else {
                    // unexpected exception
                    TApplicationException applicationException =
                      new TApplicationException(INTERNAL_ERROR,
                                                "Internal error processing " + method.getName());
                    applicationException.initCause(e);
                    LOG.error("Internal error processing {}", method.getName(), e);


                    // Application exceptions are sent to client, and the connection can be reused
                    out.writeMessageBegin(new TMessage(name, TMessageType.EXCEPTION, sequenceId));
                    applicationException.write(out);
                    out.writeMessageEnd();
                    out.getTransport().flush();


                    contextChain.postWriteException(methodName, applicationException);
                }

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        }
        catch (TProtocolException e) {
            // TProtocolException is the only recoverable exception
            // Other exceptions may have left the input stream in corrupted state so we must
            // tear down the socket.
            throw new TApplicationException(TApplicationException.PROTOCOL_ERROR, e.getMessage());
        }
    }

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            // TODO: check for non-null return from a void function?
            return null;
        }


        if (results == null) {
            throw new TApplicationException(TApplicationException.MISSING_RESULT, name + " failed: unknown result");
        }
        return results;
    }

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