Lewis John McGibbney created NUTCH-1915:
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Summary: Error in Nutch 2.X WebApp stalls progress bar
Key: NUTCH-1915
URL: https://issues.apache.org/jira/browse/NUTCH-1915
Project: Nutch
Issue Type: Bug
Components: web gui
Affects Versions: 2.3
Environment: Nutch 2.3-SNAPSHOT HEAD
HBase 0.94.14
Gora 0.5
Reporter: Lewis John McGibbney
Fix For: 2.4
When I define a crawl within the Nutch 2.X webapp on the above stack I
sometimes get the following stack trace
{code}
2015-01-12 14:48:25,943 INFO fetcher.FetcherJob - fetching
http://www.darpa.mil/Our_Work/I2O/Personnel/Mr__Steve_Jameson.aspx (queue crawl
delay=5000ms)
2015-01-12 14:48:26,563 ERROR impl.RemoteCommandExecutor - Remote command failed
java.util.concurrent.TimeoutException
at java.util.concurrent.FutureTask.get(FutureTask.java:201)
at
org.apache.nutch.webui.client.impl.RemoteCommandExecutor.executeRemoteJob(RemoteCommandExecutor.java:61)
at
org.apache.nutch.webui.client.impl.CrawlingCycle.executeCrawlCycle(CrawlingCycle.java:58)
at
org.apache.nutch.webui.service.impl.CrawlServiceImpl.startCrawl(CrawlServiceImpl.java:69)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at
org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at
org.springframework.aop.interceptor.AsyncExecutionInterceptor$1.call(AsyncExecutionInterceptor.java:97)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
2015-01-12 14:48:26,563 INFO impl.CrawlingCycle - Executed remote command
data: FETCH status: FAILED
2015-01-12 14:48:27,088 INFO fetcher.FetcherJob - 10/10 spinwaiting/active, 71
pages, 1 errors, 1.4 1 pages/s, 275 146 kb/s, 193 URLs in 4 queues
{code}
Right now I don't know what this relates to but I know that it stalls the task
execution progress bar within the
[CrawlsPage|https://github.com/apache/nutch/blob/2.x/src/java/org/apache/nutch/webui/pages/crawls/CrawlsPage.html]
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