yes. - Close the project in eclipse. Right click on the project, click on "Properties" and get the location of the project. - Goto that location in terminal -
Run 'ant eclipse'. (Note that you need to have Apache Ant<http://ant.apache.org/manual/index.html> installed and configured) After going command line, you might as well do this: Specify the GORA backend in nutch-site.xml, uncomment its dependency in ivy/ivy.xml and ensure that the store you selected is set as the default datastore in gora.properties On Mon, Jun 10, 2013 at 11:21 AM, Tony Mullins <[email protected]>wrote: > Hi, > > So the latest Nutch2.x includes the Teja's Patch ( > https://issues.apache.org/jira/browse/NUTCH-1577) , means if I have latest > source then it already has that patch. > > Now can some one please help me here what is meant by the 2nd last step > 'Run 'ant eclipse' on http://wiki.apache.org/nutch/RunNutchInEclipse. > > Do I need to go to the location where source is and give ant command 'ant > -f build.xml' , or its something else ??? > And after refreshing the source, Eclipse would let compile and run my code > ? > > Thanks, > Tony > > > On Mon, Jun 10, 2013 at 6:56 PM, Tony Mullins <[email protected] > >wrote: > > > Hi Lewis, > > > > I understand this, that there may be something wrong on my end. And as I > > said I get different errors on running Nutch 2.x with Eclipse, after > > following different tutorials. > > > > My background is in .NET and I might will just move to JAVA , just > because > > of this project (Nutch). But at the moment I am having difficult time > > understanding the 'setup/configuration' required to run Nutch in Eclipse. > > > > When you say '...*you may find it convenient to patch > > > > your dist with Tejas' Eclipse ant target and simply run 'ant eclipse' > from > > within your terminal prior to doing a file, import, existing projects in > to > > workspace from within Eclipse..*.' > > > > which patch do I need to get and how to apply it ? > > And by running 'ant eclipse' , do you mean dropping build.xml to Ant > > window in Eclipse , OR building the Nutch source by using the "ant -f > > build.xml" command in terminal ? ( by the way I have done both and both > > successfully builds the source , but eclipse doesn't run the source). > > > > So could you please guide me here in more details, I would be really > > grateful to you and Nutch community. > > > > Thanks, > > Tony. > > > > > > On Mon, Jun 10, 2013 at 6:38 PM, Lewis John Mcgibbney < > > [email protected]> wrote: > > > >> Hi Tony, > >> These issues stem from your environment not being correct. > >> I, as many other, have been able to DEBUG and develop Nutch 1.7 and 2.x > >> series from within Eclipse. > >> As you are working with 2.x source, you may find it convenient to patch > >> your dist with Tejas' Eclipse ant target and simply run 'ant eclipse' > from > >> within your terminal prior to doing a file, import, existing projects in > >> to > >> workspace from within Eclipse. > >> I can guarantee you, the reason the tutorial is on the Nutch wiki is > >> because as some stage, someone (many many people), somewhere have found > it > >> useful for developing Nutch in Eclipse. I don't want to sound like a > >> baloon > >> here, but your java security exceptions are not a problem with Nutch... > >> it's your environment. > >> hth > >> > >> On Monday, June 10, 2013, Tony Mullins <[email protected]> > wrote: > >> > Hi , > >> > Ok now I have followed this tutorial word by word. > >> > http://wiki.apache.org/nutch/RunNutchInEclipse#Checkout_Nutch_in_Eclipse. > >> > > >> > After getting new source 2.2 , I have build it using Ant - which was > >> successful then set the configurations and comment the 'hsqldb' > dependency > >> and uncomment the cassandra dependency ( as I want to run it against > >> cassandra). After doing this all when I run the code from eclipse I get > >> error > >> > "Exception in thread "main" java.lang.SecurityException: Prohibited > >> package name: java.org.apache.nutch.crawl > >> > at java.lang.ClassLoader.preDefineClass(ClassLoader.java:649) > >> > at java.lang.ClassLoader.defineClass(ClassLoader.java:785) > >> > at > >> > >> > java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)...." > >> > > >> > and have red '*' all over my code. Please see the attached image. > >> > > >> > Now what I do ? > >> > Please any one could tell me that is it even possible to > >> compile/run/debug latest Nutch 2.x branch from Eclipse ? > >> > > >> > I need help here............... > >> > > >> > Tony !!! > >> > > >> > On Mon, Jun 10, 2013 at 12:15 PM, Tejas Patil < > [email protected] > >> > > >> wrote: > >> >> > >> >> Hi Tony, > >> >> > >> >> That tutorial is based on some earlier nutch version. Please follow > >> >> > >> > http://wiki.apache.org/nutch/RunNutchInEclipse#Checkout_Nutch_in_Eclipse. > >> >> There has been recent changes to that wiki page and those new steps > >> would > >> >> take care of getting automation.jar and etc dependencies in place. > >> >> > >> >> > >> >> On Sun, Jun 9, 2013 at 11:58 PM, Tony Mullins < > >> [email protected] > >> >wrote: > >> >> > >> >> > Hi , > >> >> > > >> >> > The last try I made was with this tutorial ' > >> >> > run nutch in eclipse | profilerajanimaski' > >> >> > , > >> >> > after following word to word ( which didn't work for me) then I > made > >> some > >> >> > modifications to it as for step 11 I added 'bin' , 'gora' , 'java' > >> ,'test' > >> >> > , 'testprocess' , 'testresources' . And for step 14 I couldn't find > >> >> > 'src/plugin/url-filter-automation/lib/automation.jar' in my source. > >> >> > > >> >> > And when I try to run main 'Crawler' project it says there are > errors > >> and > >> >> > give me option to proceed with errors and when I proceed with > errors > >> I am > >> >> > getting this error: > >> >> > > >> >> > "InjectorJob: Using class org.apache.gora.memory.store.MemStore as > >> the > >> >> > Gora storage class. > >> >> > InjectorJob: total number of urls rejected by filters: 0 > >> >> > InjectorJob: total number of urls injected after normalization and > >> >> > filtering: 0 > >> >> > Exception in thread "main" java.lang.RuntimeException: job failed: > >> >> > name=generate: null, jobid=job_local_0002....... > >> >> > ..... > >> >> > " > >> >> > > >> >> > So please help me what I am doing wrong here or guide me to a > >> tutorial > >> >> > which works.... > >> >> > If the latest Nutch 2.2 source doesn't work with these tutorials > then > >> >> > which version of 2.x will work and how ? > >> >> > > >> >> > Thanks. > >> >> > Tony > >> >> > > >> >> > > >> >> > On Mon, Jun 10, 2013 at 7:20 AM, Tejas Patil < > >> [email protected] > >> >wrote: > >> >> > > >> >> >> Could you try closing and re-opening the eclipse and then let > >> eclipse > >> >> >> rebuild workspace. BTW: On which packages / classes do you see red > >> dots ? > >> >> >> > >> >> >> > >> >> >> On Sun, Jun 9, 2013 at 9:23 AM, Lewis John Mcgibbney < > >> >> >> [email protected]> wrote: > >> >> >> > >> >> >> > Hi Tony, > >> >> >> > This source has literally just been released. The tutorial on > the > >> Nutch > >> >> >> > wiki has also just been updated but you need to follow it > closely > >> and > >> >> >> pay > >> >> >> > attention to each step. It sounds like the red dots problem your > >> having > >> >> >> is > >> >> >> > explained in the 2nd to last bullet point below > >> >> >> > > >> >> >> > > >> >> >> > >> > http://wiki.apache.org/nutch/RunNutchInEclipse#Checkout_Nutch_in_Eclipse > >> >> >> > > >> >> >> > Also, you've not actually said what went wrong! > >> >> >> > Lewis > >> >> >> > > >> >> >> > > >> >> >> > On Sunday, June 9, 2013, Tony Mullins <[email protected] > > > >> wrote: > >> >> >> > > Hi, > >> >> >> > > > >> >> >> > > I am new to Nutch. I am trying to use Nutch with Cassandra and > >> have > >> >> >> > > successfully build the Nutch 2.x ( > >> >> >> > > http://svn.apache.org/repos/asf/nutch/branches/2.x/). > >> >> >> > > > >> >> >> > > But I get errors ( different errors after following different > >> >> >> tutorials) > >> >> >> > > when I try to run it directly from Eclipse ( I am on CentOS > 6.4) > >> , I > >> >> >> have > >> >> >> > > tried to follow these tutorials to run Nutch source from > Eclipse > >> but > >> >> >> no > >> >> >> > use. > >> >> >> > > > >> >> >> > > http://wiki.apache.org/nutch/RunNutchInEclipse > >> >> >> > > run nutch in eclipse | profilerajanimaski > >> >> >> > > > >> >> >> > >> http://jarpit83.blogspot.com/2012/07/configuring-nutch-in-eclipse.html > >> >> >> > > http://techvineyard.blogspot.com/2010/12/build-nutch-20.html > >> >> >> > > > >> >> >> > > Whatever I do, I get red "*" on my source and it doesn't get > >> run > >> by > >> >> >> > > Eclipse , but it always get build successfully using Ant. > >> >> >> > > > >> >> >> > > Pleeeeaaase help me here, could any one please guide me to > >> single > >> web > >> >> >> > > tutorial which actually could help me compile and run latest > >> Nutch 2.x > >> >> >> > with > >> >> >> > > Eclipse (Juno) on CentOS. > >> >> >> > > > >> >> >> > > Thanksss. > >> >> >> > > Tony. > >> >> >> > > > >> >> >> > > >> >> >> > -- > >> >> >> > *Lewis* > >> >> >> > > >> >> >> > >> >> > > >> >> > > >> > > >> > > >> > >> -- > >> *Lewis* > >> > > > > >
