What's the output of: protoc --version
You should be using 2.4.1 Cheers On Wed, May 29, 2013 at 11:33 AM, John Lilley <john.lil...@redpoint.net>wrote: > Sorry if this is a dumb question, but I’m not sure where to start. I am > following BUILDING.txt instructions for source checked out today using git: > **** > > git clone git://git.apache.org/hadoop-common.git Hadoop**** > > ** ** > > Following build steps and adding -X for more logging:**** > > mvn compile -X**** > > ** ** > > But I get this error in Hadoop common**** > > [WARNING] [protoc, > --java_out=/home/jlilley/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java, > -I/home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/Security.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/ZKFCProtocol.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/RpcHeader.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/ProtobufRpcEngine.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/IpcConnectionContext.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/HAServiceProtocol.proto, > /home/jlilley/hadoop/hadoop-common-project/hadoop-common/src/main/proto/ProtocolInfo.proto] > failed with error code 1**** > > [DEBUG] Security.proto:22:8: Option "java_generate_equals_and_hash" > unknown.**** > > [ERROR] protoc compiler error**** > > ** ** > > The following were installed today, this is basically on a clean CentOS6 > system:**** > > # history | grep yum**** > > 81 yum install protobuf-compiler**** > > 82 yum install gcc**** > > 84 yum install gcc-c++**** > > 85 yum install cmake**** > > 86 yum install make**** > > 87 yum install zlib**** > > 90 yum install git**** > > 93 yum install eclipse**** > > ** ** > > This seems to indicate that the problem may have to do with a too-recent > protobuf and additional settings that must be applied because of that:**** > > > http://mail-archives.apache.org/mod_mbox/hadoop-mapreduce-dev/201106.mbox/%3c4dfa3c67.50...@gmail.com%3E > **** > > ** ** > > Thanks**** > > John**** >
