Hi Thilo Sorry for asking such a simple thing ...Under which topic should I add this info
Regards Rohan On Thu, Jun 12, 2008 at 2:21 AM, Thilo Goetz <[EMAIL PROTECTED]> wrote: > Hi Rohan, > > I'm glad you got it to work. This is useful information. It would > be great if you could put it up on the UIMA Wiki: > http://cwiki.apache.org/UIMA/ > > --Thilo > > > rohan rai wrote: > >> I think I got it.....Thanks for all the help you guys.........To make a >> simple UIMA app work over hadoop (I did it on pseudo distributed >> environment) 3-4 factors come together.. >> >> 1) the UIMA app along with the mapper reducer and your job main file + the >> the resources should be contained within the job jar you created >> >> 2) probably all import in the descriptor should be import by name (haven't >> verified this works with location) >> >> 3) any resource being read in any of the class file should be done via >> Classloader >> E.g XMLInputSource in = new >> >> XMLInputSource(ClassLoader.getSystemResourceAsStream(aeXmlDescriptor),null); >> >> 4) the When any AnalysisEngine or something like that of UIMA is being >> getting produced (I am doing it in mapper) then ResourceManager should be >> used >> E.g. ResourceManager rMng=UIMAFramework.newDefaultResourceManager(); >> rMng.setExtensionClassPath(str, true); //Here str is the >> path to any of the resources which can be obtained via >> >> //ClassLoader.getSystemResource(aeXmlDescriptor).getPath() >> rMng.setDataPath(str); >> aEngine = >> UIMAFramework.produceAnalysisEngine(aSpecifier,rMng,null); >> >> This 4th point has to be considered as when we read a xml without using >> classloader by default it reads from temp task directory eg. >> >> >> /tmp/hadoop-root/mapred/local/taskTracker/jobcache/job_200806112341_0002/task_200806112341_0002_m_000000_0/ >> >> But all the resources and classes gets unjarred in >> >> /tmp/hadoop-root/mapred/local/taskTracker/jobcache/job_200806112341_0002/work >> >> directory >> >> So to tell the system to look out for the resources in the correct >> directory when not using classloader (which is what UIMA's >> XMLInputSource does) >> we have to use resource manager >> >> Regards >> Rohan >> > ... > >
