I Can't build Nutch with Ant.
My ant version is 1.7.1 and i'm on a Mac OS X 10.4 PowerPC
My java version is 1.5.0.
I can't figure out why i'm having the error "class file has wrong
version 50.0, should be 49.0" ????
This is the result from ANT:
Buildfile: build.xml
init:
[mkdir] Created dir: /usr/local/nutch-1.0/build
[mkdir] Created dir: /usr/local/nutch-1.0/build/classes
[mkdir] Created dir: /usr/local/nutch-1.0/build/test
[mkdir] Created dir: /usr/local/nutch-1.0/build/test/classes
[mkdir] Created dir: /usr/local/nutch-1.0/build/hadoop
[unjar] Expanding: /usr/local/nutch-1.0/lib/hadoop-0.19.1-core.jar
into /usr/local/nutch-1.0/build/hadoop
[untar] Expanding: /usr/local/nutch-1.0/build/hadoop/bin.tgz into
/usr/local/nutch-1.0/bin
[mkdir] Created dir: /usr/local/nutch-1.0/build/webapps
[unjar] Expanding: /usr/local/nutch-1.0/lib/hadoop-0.19.1-core.jar
into /usr/local/nutch-1.0/build
compile-core:
[javac] Compiling 232 source files to /usr/local/nutch-1.0/build/classes
[javac]
/usr/local/nutch-1.0/src/java/org/apache/nutch/analysis/AnalyzerFactory.java:29:
cannot access org.apache.hadoop.conf.Configuration
[javac] bad class file:
/usr/local/nutch-1.0/lib/hadoop-0.19.1-core.jar(org/apache/hadoop/conf/Configuration.class)
[javac] class file has wrong version 50.0, should be 49.0
[javac] Please remove or make sure it appears in the correct
subdirectory of the classpath.
[javac] import org.apache.hadoop.conf.Configuration;
[javac] ^
[javac] 1 error
BUILD FAILED
/usr/local/nutch-1.0/build.xml:107: Compile failed; see the compiler
error output for details.
