I think Nutch requires atleast Java 1.6.
On Tue, Feb 26, 2013 at 5:33 AM, Danilo Fernandes <[email protected]>wrote: > What version of JDK fit with Nutch trunk? > > Anybody knows? > > > 2013/2/25 Danilo Fernandes <[email protected]> > >> 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 - 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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... :-) **** >> > > -- Kiran Chitturi
