【发布时间】:2020-09-23 21:22:10
【问题描述】:
我不知道该指南是否可能已过时,或者我做错了什么。 我刚开始使用 nutch,我已经将它与 solr 集成,并通过终端通过一些网站进行爬网/索引。 现在我正在尝试在 java 应用程序中使用它们,所以我一直在关注这里的教程: https://cwiki.apache.org/confluence/display/NUTCH/RunNutchInEclipse#RunNutchInEclipse-RunningNutchinEclipse
我通过Eclipse下载了Subclipse、IvyDE和m2e,我下载了ant,所以我应该具备所有的先决条件。 本教程中的 m2e 链接已损坏,因此我在其他地方找到了它。事实证明,eclipse在安装时已经有了它。
当我在终端中运行“ant eclipse”时,我会收到大量错误消息。 由于字数限制,请放置一个指向包含整个错误消息的 pastebin 的链接 here
我真的不确定我做错了什么。 路线没有那么复杂,所以我真的不知道我在哪里搞砸了。
以防万一,这里是我们需要修改的 nutch-site.xml。
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!-- Put site-specific property overrides in this file. -->
<configuration>
<property>
<name>plugin.folders</name>
<value>/home/user/trunk/build/plugins</value>
</property>
<!-- HTTP properties -->
<property>
<name>http.agent.name</name>
<value>MarketDataCrawler</value>
<description>HTTP 'User-Agent' request header. MUST NOT be empty -
please set this to a single word uniquely related to your organization.
NOTE: You should also check other related properties:
http.robots.agents
http.agent.description
http.agent.url
http.agent.email
http.agent.version
and set their values appropriately.
</description>
</property>
<property>
<name>http.robots.agents</name>
<value></value>
<description>Any other agents, apart from 'http.agent.name', that the robots
parser would look for in robots.txt. Multiple agents can be provided using
comma as a delimiter. eg. mybot,foo-spider,bar-crawler
The ordering of agents does NOT matter and the robots parser would make
decision based on the agent which matches first to the robots rules.
Also, there is NO need to add a wildcard (ie. "*") to this string as the
robots parser would smartly take care of a no-match situation.
If no value is specified, by default HTTP agent (ie. 'http.agent.name')
would be used for user agent matching by the robots parser.
</description>
</property>
</configuration>
很多错误和Ivy有关,所以我不知道Nutch和eclipse中安装的插件之间的Ivy版本是否兼容。
【问题讨论】: