Package com.alibaba.dubbo.rpc

Examples of com.alibaba.dubbo.rpc.RpcException

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        //默认开启heartbeat
        url = url.addParameterIfAbsent(Constants.HEARTBEAT_KEY, String.valueOf(Constants.DEFAULT_HEARTBEAT));
       
        // BIO存在严重性能问题，暂时不允许使用
        if (str != null && str.length() > 0 && ! ExtensionLoader.getExtensionLoader(Transporter.class).hasExtension(str)) {
            throw new RpcException("Unsupported client type: " + str + "," +
                    " supported client type is " + StringUtils.join(ExtensionLoader.getExtensionLoader(Transporter.class).getSupportedExtensions(), " "));
        }
       
        ExchangeClient client ;
        try {
            //设置连接应该是lazy的
            if (url.getParameter(Constants.LAZY_CONNECT_KEY, false)){
                client = new LazyConnectExchangeClient(url ,requestHandler);
            } else {
                client = Exchangers.connect(url ,requestHandler);
            }
        } catch (RemotingException e) {
            throw new RpcException("Fail to create remoting client for service(" + url
                    + "): " + e.getMessage(), e);
        }
        return client;
    }
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      if (ConfigUtils.isNotEmpty(token)) {
          Class<?> serviceType = invoker.getInterface();
          Map<String, String> attachments = inv.getAttachments();
        String remoteToken = attachments == null ? null : attachments.get(Constants.TOKEN_KEY);
        if (! token.equals(remoteToken)) {
          throw new RpcException("Invalid token! Forbid invoke remote service " + serviceType + " method " + inv.getMethodName() + "() from consumer " + RpcContext.getContext().getRemoteHost() + " to provider "  + RpcContext.getContext().getLocalHost());
        }
      }
    return invoker.invoke(inv);
  }
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        httpServiceExporter.setServiceInterface(type);
        httpServiceExporter.setService(impl);
        try {
            httpServiceExporter.afterPropertiesSet();
        } catch (Exception e) {
            throw new RpcException(e.getMessage(), e);
        }
        final String path = url.getAbsolutePath();
        skeletonMap.put(path, httpServiceExporter);
        return new Runnable() {
            public void run() {
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                        } else {
                            throw new UnsupportedOperationException("Unsupported method " + invocation.getMethodName() + " in redis service.");
                        }
                    }
                    catch (Throwable t) {
                        RpcException re = new RpcException("Failed to invoke memecached service method. interface: " + type.getName() + ", method: " + invocation.getMethodName() + ", url: " + url + ", cause: " + t.getMessage(), t);
                        if (t instanceof TimeoutException || t instanceof SocketTimeoutException) {
                            re.setCode(RpcException.TIMEOUT_EXCEPTION);
                        } else if (t instanceof JedisConnectionException || t instanceof IOException) {
                            re.setCode(RpcException.NETWORK_EXCEPTION);
                        } else if (t instanceof JedisDataException) {
                            re.setCode(RpcException.SERIALIZATION_EXCEPTION);
                        }
                        throw re;
                    }
                    finally {
                        if(resource != null) {
                            try {
                                jedisPool.returnResource(resource);
                            }
                            catch (Throwable t) {
                                logger.warn("returnResource error: " + t.getMessage(), t);
                            }
                        }
                    }
                }

                public void destroy() {
                    super.destroy();
                    try {
                        jedisPool.destroy();
                    } catch (Throwable e) {
                        logger.warn(e.getMessage(), e);
                    }
                }
            };
        } catch (Throwable t) {
            throw new RpcException("Failed to refer memecached service. interface: " + type.getName() + ", url: " + url + ", cause: " + t.getMessage(), t);
        }
    }
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        try {
            return (V) (((Result) future.get()).recreate());
        } catch (RemotingException e) {
            throw new ExecutionException(e.getMessage(), e);
        } catch (Throwable e) {
            throw new RpcException(e);
        }
    }
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        } catch (com.alibaba.dubbo.remoting.TimeoutException e) {
            throw new TimeoutException(StringUtils.toString(e));
        } catch (RemotingException e) {
            throw new ExecutionException(e.getMessage(), e);
        } catch (Throwable e) {
            throw new RpcException(e);
        }
    }
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                return (Result) currentClient.request(inv).get();
            }
        } catch (RpcException e) {
            throw e;
        } catch (TimeoutException e) {
            throw new RpcException(RpcException.TIMEOUT_EXCEPTION, e.getMessage(), e);
        } catch (RemotingException e) {
            throw new RpcException(RpcException.NETWORK_EXCEPTION, e.getMessage(), e);
        } catch (Throwable e) { // here is non-biz exception, wrap it.
            throw new RpcException(e.getMessage(), e);
        }
    }
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        public boolean isClosed() {
            return channel == null ? true : channel.isClosed();
        }

        public void reset(URL url) {
            throw new RpcException("ChannelInvoker can not reset.");
        }
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        String methodName = invocation.getMethodName();
        int max = url.getMethodParameter(methodName, Constants.EXECUTES_KEY, 0);
        if (max > 0) {
            RpcStatus count = RpcStatus.getStatus(url, invocation.getMethodName());
            if (count.getActive() >= max) {
                throw new RpcException("Failed to invoke method " + invocation.getMethodName() + " in provider " + url + ", cause: The service using threads greater than <dubbo:service executes=\"" + max + "\" /> limited.");
            }
        }
        long begin = System.currentTimeMillis();
        boolean isException = false;
        RpcStatus.beginCount(url, methodName);
        try {
            Result result = invoker.invoke(invocation);
            return result;
        } catch (Throwable t) {
            isException = true;
            if(t instanceof RuntimeException) {
                throw (RuntimeException) t;
            }
            else {
                throw new RpcException("unexpected exception when ExecuteLimitFilter", t);
            }
        }
        finally {
            RpcStatus.endCount(url, methodName, System.currentTimeMillis() - begin, isException);
        }
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                Object value = result.getValue();
                try {
                    Method method = invoker.getInterface().getMethod(methodName, parameterTypes);
                    return new RpcResult(PojoUtils.realize(value, method.getReturnType(), method.getGenericReturnType()));
                } catch (NoSuchMethodException e) {
                    throw new RpcException(e.getMessage(), e);
                }
            } else if (result.getException() instanceof GenericException) {
                GenericException exception = (GenericException) result.getException();
                try {
                    String className = exception.getExceptionClass();
                    Class<?> clazz = ReflectUtils.forName(className);
                    Throwable targetException = null;
                    Throwable lastException = null;
                    try {
                        targetException = (Throwable) clazz.newInstance();
                    } catch (Throwable e) {
                        lastException = e;
                        for (Constructor<?> constructor : clazz.getConstructors()) {
                            try {
                                targetException = (Throwable) constructor.newInstance(new Object[constructor.getParameterTypes().length]);
                                break;
                            } catch (Throwable e1) {
                                lastException = e1;
                            }
                        }
                    }
                    if (targetException != null) {
                        try {
                            Field field = Throwable.class.getDeclaredField("detailMessage");
                            if (! field.isAccessible()) {
                                field.setAccessible(true);
                            }
                            field.set(targetException, exception.getExceptionMessage());
                        } catch (Throwable e) {
                            logger.warn(e.getMessage(), e);
                        }
                        result = new RpcResult(targetException);
                    } else if (lastException != null) {
                        throw lastException;
                    }
                } catch (Throwable e) {
                    throw new RpcException("Can not deserialize exception " + exception.getExceptionClass() + ", message: " + exception.getExceptionMessage(), e);
                }
            }
            return result;
        }
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  • com.alibaba.dubbo.rpc.cluster.support.AvailableCluster
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