Package org.apache.thrift

Examples of org.apache.thrift.TApplicationException

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            ThriftMethodHandler methodHandler = methods.get(method);

            try {
                if (methodHandler == null) {
                    throw new TApplicationException(UNKNOWN_METHOD, "Unknown method : '" + method + "'");
                }

                if (channel.hasError()) {
                    throw new TTransportException(channel.getError());
                }
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    final TMessage msg = in.readMessageBegin();
    final ProcessFunction<I, ? extends  TBase<?,?>> fn = functions.get(msg.name);
    if (fn == null) {
      TProtocolUtil.skip(in, TType.STRUCT);
      in.readMessageEnd();
      TApplicationException x = new TApplicationException(TApplicationException.UNKNOWN_METHOD,
          "Invalid method name: '"+msg.name+"'");
      out.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));
      x.write(out);
      out.writeMessageEnd();
      out.getTransport().flush();
      return true;
    }
    TUGIContainingTransport ugiTrans = (TUGIContainingTransport)in.getTransport();
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    set_ugi_args args = (set_ugi_args)method.invoke(fn, new Object[0]);
    try {
      args.read(iprot);
    } catch (TProtocolException e) {
      iprot.readMessageEnd();
      TApplicationException x = new TApplicationException(TApplicationException.PROTOCOL_ERROR,
          e.getMessage());
      oprot.writeMessageBegin(new TMessage(msg.name, TMessageType.EXCEPTION, msg.seqid));
      x.write(oprot);
      oprot.writeMessageEnd();
      oprot.getTransport().flush();
      return;
    }
    iprot.readMessageEnd();
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            return request;

        } else if ( message.type == TMessageType.EXCEPTION ) {

            TApplicationException exception;

            try {
                exception = TApplicationException.read( protocol );
                protocol.readMessageEnd();
            } catch ( TException e ) {
                throw new IOException( e.getMessage(), e );
            }

            RpcResult result = new RpcResult();

            result.setException( new RpcException( exception.getMessage() ) );

            Response response = new Response();

            response.setResult( result );
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            throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
        } catch ( IllegalAccessException e ) {
            throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
        }

        TApplicationException applicationException = null;
        TMessage message;

        if ( result.hasException() ) {
            Throwable throwable = result.getException();
            int index = 1;
            boolean found = false;
            while ( true ) {
                TFieldIdEnum fieldIdEnum = resultObj.fieldForId( index++ );
                if ( fieldIdEnum == null ) { break; }
                String fieldName = fieldIdEnum.getFieldName();
                String getMethodName = ThriftUtils.generateGetMethodName( fieldName );
                String setMethodName = ThriftUtils.generateSetMethodName( fieldName );
                Method getMethod;
                Method setMethod;
                try {
                    getMethod = clazz.getMethod( getMethodName );
                    if ( getMethod.getReturnType().equals( throwable.getClass() ) ) {
                        found = true;
                        setMethod = clazz.getMethod( setMethodName, throwable.getClass() );
                        setMethod.invoke( resultObj, throwable );
                    }
                } catch ( NoSuchMethodException e ) {
                    throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
                } catch ( InvocationTargetException e ) {
                    throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
                } catch ( IllegalAccessException e ) {
                    throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
                }
            }

            if ( !found ) {
                applicationException = new TApplicationException( throwable.getMessage() );
            }

        } else {
            Object realResult = result.getResult();
            // result field id is 0
            String fieldName = resultObj.fieldForId( 0 ).getFieldName();
            String setMethodName = ThriftUtils.generateSetMethodName( fieldName );
            String getMethodName = ThriftUtils.generateGetMethodName( fieldName );
            Method getMethod;
            Method setMethod;
            try {
                getMethod = clazz.getMethod( getMethodName );
                setMethod = clazz.getMethod( setMethodName, getMethod.getReturnType() );
                setMethod.invoke( resultObj, realResult );
            } catch ( NoSuchMethodException e ) {
                throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
            } catch ( InvocationTargetException e ) {
                throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
            } catch ( IllegalAccessException e ) {
                throw new RpcException( RpcException.SERIALIZATION_EXCEPTION, e.getMessage(), e );
            }

        }

        if ( applicationException != null ) {
            message = new TMessage( rd.methodName, TMessageType.EXCEPTION, rd.id );
        } else {
            message = new TMessage( rd.methodName, TMessageType.REPLY, rd.id );
        }

        RandomAccessByteArrayOutputStream bos = new RandomAccessByteArrayOutputStream( 1024 );

        TIOStreamTransport transport = new TIOStreamTransport( bos );

        TBinaryProtocol protocol = new TBinaryProtocol( transport );

        int messageLength;
        int headerLength;

        byte[] bytes = new byte[4];
        try {
            // magic
            protocol.writeI16( MAGIC );
            // message length
            protocol.writeI32( Integer.MAX_VALUE );
            // message header length
            protocol.writeI16( Short.MAX_VALUE );
            // version
            protocol.writeByte( VERSION );
            // service name
            protocol.writeString( rd.serviceName );
            // id
            protocol.writeI64( response.getId() );
            protocol.getTransport().flush();
            headerLength = bos.size();

            // message
            protocol.writeMessageBegin( message );
            switch ( message.type ) {
                case TMessageType.EXCEPTION:
                    applicationException.write( protocol );
                    break;
                case TMessageType.REPLY:
                    resultObj.write( protocol );
                    break;
            }
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                                    exceptionCodec.getCodec(),
                                    t);
                            contextChain.postWriteException(t);
                        } else {
                            // unexpected exception
                            TApplicationException applicationException =
                                    ThriftServiceProcessor.writeApplicationException(
                                            out,
                                            method.getName(),
                                            sequenceId,
                                            INTERNAL_ERROR,
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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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    private void waitForResponse(TProtocol in, int sequenceId)
            throws TException
    {
        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");
        }
    }
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            String errorMessage,
            Throwable cause)
            throws TException
    {
        // unexpected exception
        TApplicationException applicationException = new TApplicationException(errorCode, errorMessage);
        if (cause != null) {
            applicationException.initCause(cause);
        }

        LOG.error(errorMessage, applicationException);

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

        return applicationException;
    }
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