Feng Lu, thanks for the fast reply.
But, I'm using the JavaSE-1.6 (jre6) and always get this error. De: feng lu [mailto:[email protected]] Enviada em: segunda-feira, 25 de fevereiro de 2013 22:35 Para: [email protected] Assunto: Re: Eclipse Error Hi Danilo "Unsupported maj.minor version 51.0" means that you compiled your classes under a specific JDK, but then try to run them under older version of JDK. So, you can't run classes compiled with JDK 6.0 under JDK 5.0. The same with classes compiled under JDK 7.0 when you try to run them under JDK 6.0. On Tue, Feb 26, 2013 at 9:12 AM, Danilo Fernandes <[email protected]> wrote: Hi, I want do some changes in Nutch to get a HTML and take some data from them. My problem starts when I'm compiling the code in Eclipse. I always receive the follow error message. Buildfile: C:\Users\Danilo\workspace\Nutch\build.xml [taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found. ivy-probe-antlib: ivy-download: [taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found. ivy-download-unchecked: ivy-init-antlib: ivy-init: init: [mkdir] Created dir: C:\Users\Danilo\workspace\Nutch\build [mkdir] Created dir: C:\Users\Danilo\workspace\Nutch\build\classes [mkdir] Created dir: C:\Users\Danilo\workspace\Nutch\build\release [mkdir] Created dir: C:\Users\Danilo\workspace\Nutch\build\test [mkdir] Created dir: C:\Users\Danilo\workspace\Nutch\build\test\classes [copy] Copying 8 files to C:\Users\Danilo\workspace\Nutch\conf [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\automaton-urlfilter.txt.template to C:\Users\Danilo\workspace\Nutch\conf\automaton-urlfilter.txt [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\httpclient-auth.xml.template to C:\Users\Danilo\workspace\Nutch\conf\httpclient-auth.xml [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\nutch-site.xml.template to C:\Users\Danilo\workspace\Nutch\conf\nutch-site.xml [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\prefix-urlfilter.txt.template to C:\Users\Danilo\workspace\Nutch\conf\prefix-urlfilter.txt [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\regex-normalize.xml.template to C:\Users\Danilo\workspace\Nutch\conf\regex-normalize.xml [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\regex-urlfilter.txt.template to C:\Users\Danilo\workspace\Nutch\conf\regex-urlfilter.txt [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\subcollections.xml.template to C:\Users\Danilo\workspace\Nutch\conf\subcollections.xml [copy] Copying C:\Users\Danilo\workspace\Nutch\conf\suffix-urlfilter.txt.template to C:\Users\Danilo\workspace\Nutch\conf\suffix-urlfilter.txt clean-lib: resolve-default: [ivy:resolve] :: Ivy 2.2.0 - 20100923230623 :: http://ant.apache.org/ivy/ :: [ivy:resolve] :: loading settings :: file = C:\Users\Danilo\workspace\Nutch\ivy\ivysettings.xml [ivy:resolve] :: problems summary :: [ivy:resolve] :::: ERRORS [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] unknown resolver main [ivy:resolve] [ivy:resolve] :: USE VERBOSE OR DEBUG MESSAGE LEVEL FOR MORE DETAILS [taskdef] Could not load definitions from resource org/sonar/ant/antlib.xml. It could not be found. copy-libs: compile-core: [javac] C:\Users\Danilo\workspace\Nutch\build.xml:96: warning: 'includeantruntime' was not set, defaulting to build.sysclasspath=last; set to false for repeatable builds BUILD FAILED C:\Users\Danilo\workspace\Nutch\build.xml:96: java.lang.UnsupportedClassVersionError: com/sun/tools/javac/Main : Unsupported major.minor version 51.0 Total time: 8 seconds I'm new with Nutch dev and a little bit nuts with Eclipse. Can somebody help me? Thanks a lot. Danilo Fernandes -- Don't Grow Old, Grow Up... :-)
