当我的风暴拓扑得到卡夫卡和工人死亡的第一条信息时,我得到了错误信息。
2015-08-13 12:44:58 b.s.d.executor [INFO] Finished loading executor hdfs-bolt:[3 3]
2015-08-13 12:44:58 b.s.util [ERROR] Async loop died!
java.lang.RuntimeException: Could not instantiate a class listed in config under section topology.metrics.consumer.register wit
我试着用下面的代码用rails运行scrapi:
require 'rubygems'
require 'scrapi'
require 'tidy'
scraper = Scraper.define do
process "title", :page_name => :text
result :page_name
end
uri = URI.parse("http://railscasts.com/episodes/173-screen-scraping-with-scrapi")
p
我正在创建一个从其他方的CollectSignaturesFlow获取签名的流程,并且我在日志中面临以下问题。
@InitiatingFlow
@StartableByRPC
public static class BGInitiator extends FlowLogic<SignedTransaction> {
private final Party manufacturer;
private final Party regulator;
private final String bgData;
public BGInitiator(Part