Are you using JDK 1.6. If so you'll need to get the 1.7 jdk (Java SE 7u25) from oracle to do the compile. See my message thread earlier today subject "Cassandra 2 vs Java 1.6 for a few more details.
Andy On 22 Jul 2013, at 20:16, Soumava Ghosh <soum...@cs.utexas.edu<mailto:soum...@cs.utexas.edu>> wrote: Hi, I'm working on a Mac OS 10.8 and trying to build the cassandra trunk using ant. I am getting the error as below. I can see a related bug that fixed a similar issue for debian (https://issues.apache.org/jira/browse/CASSANDRA-5688), but I can still repro this on Mac. Thanks, Soumava soumava$ git describe cassandra-2.0.0-beta1-100-ge0eacd2 ... soumava$ ant ... gen-cql3-grammar: [echo] Building Grammar /Users/soumava/Documents/src/git-cassandra/src/java/org/apache/cassandra/cql3/Cql.g ... build-project: [echo] apache-cassandra: /Users/soumava/Documents/src/git-cassandra/build.xml [javac] Compiling 17 source files to /Users/soumava/Documents/src/git-cassandra/build/classes/thrift [javac] javac: invalid target release: 1.7 [javac] Usage: javac <options> <source files> [javac] use -help for a list of possible options BUILD FAILED /Users/soumava/Documents/src/git-cassandra/build.xml:636: Compile failed; see the compiler error output for details. Total time: 7 seconds The University of Dundee is a registered Scottish Charity, No: SC015096
