HI.. Can u post some details..... Like..
Os, Config Files, Logs etc.. Thanx Bikram Mohamed Imran K R wrote: > > hi > we are trying to build a nutch cluster for the natural language > processing department of our research centre. we are deploying a search > engine for evaluation on tamil ( a south indian language). The search > engine > works really well with all the customizations that they have done on a > single machine however we are facing some small issues on clustering. The > error i got sounds familiar but its vexing. I am using nutch 0.9 and > jdk1.5.0_12. i followed this tutorial > http://wiki.apache.org/nutch/NutchHadoopTutorial and it worked for a > single > system but i came up with this error from the web interface for the slave > machine, when running the same on a cluster > > Map output lost, rescheduling: getMapOutput(task_0001_m_000001_0,1) failed > : > java.io.EOFException > at java.io.DataInputStream.readFully(DataInputStream.java:178) > at java.io.DataInputStream.readLong(DataInputStream.java:380) > at > org.apache.hadoop.mapred.TaskTracker$MapOutputServlet.doGet(TaskTracker.java:1643) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:689) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:802) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:427) > at > org.mortbay.jetty.servlet.WebApplicationHandler.dispatch(WebApplicationHandler.java:475) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:567) > at org.mortbay.http.HttpContext.handle(HttpContext.java:1565) > at > org.mortbay.jetty.servlet.WebApplicationContext.handle(WebApplicationContext.java:635) > at org.mortbay.http.HttpContext.handle(HttpContext.java:1517) > at org.mortbay.http.HttpServer.service(HttpServer.java:954) > at org.mortbay.http.HttpConnection.service(HttpConnection.java:814) > at org.mortbay.http.HttpConnection.handleNext(HttpConnection.java:981) > at org.mortbay.http.HttpConnection.handle(HttpConnection.java:831) > at > org.mortbay.http.SocketListener.handleConnection(SocketListener.java:244) > at org.mortbay.util.ThreadedServer.handle(ThreadedServer.java:357) > at org.mortbay.util.ThreadPool$PoolThread.run(ThreadPool.java:534) > > The above is the error message that is thrown out on the slave console and > then on the nutch processes running on the slave just idles along...( i > check with tasktracker and its 0%) > i did change a couple of lines in log4j.properties as > hadoop.log.dir=. > hadoop.log.file=hadoop.log > but other than these, i am running a default 0.9 release. > looking forward to your help in solving this issue and having a nutch of a > time > BTW is there any IRC channel for nutch? > -- > Regards > Mohamed Imran K R > AU-KBC Research Centre > > -- View this message in context: http://www.nabble.com/problems-with-nutch-clustering-tf4310647.html#a12273638 Sent from the Nutch - User mailing list archive at Nabble.com.
