While building hadoop trunk i came across the following error.Can any one guide me what is the issue behind this failure.
main: [exec] protoc: error while loading shared libraries: libprotobuf.so.7: cannot open shared object file: No such file or directory [INFO] ------------------------------------------------------------------------ [INFO] Reactor Summary: [INFO] [INFO] Apache Hadoop Main ................................ SUCCESS [1:20.348s] [INFO] Apache Hadoop Project POM ......................... SUCCESS [1:13.751s] [INFO] Apache Hadoop Annotations ......................... SUCCESS [1:26.350s] [INFO] Apache Hadoop Project Dist POM .................... SUCCESS [3.190s] [INFO] Apache Hadoop Assemblies .......................... SUCCESS [0.569s] [INFO] Apache Hadoop Auth ................................ SUCCESS [2:07.427s] [INFO] Apache Hadoop Auth Examples ....................... SUCCESS [20.210s] [INFO] Apache Hadoop Common .............................. FAILURE [11:11.204s] [INFO] Apache Hadoop Common Project ...................... SKIPPED [INFO] Apache Hadoop HDFS ................................ SKIPPED [INFO] Apache Hadoop HttpFS .............................. SKIPPED [INFO] Apache Hadoop HDFS BookKeeper Journal ............. SKIPPED [INFO] Apache Hadoop HDFS Project ........................ SKIPPED [INFO] hadoop-yarn ....................................... SKIPPED [INFO] hadoop-yarn-api ................................... SKIPPED [INFO] hadoop-yarn-common ................................ SKIPPED [INFO] hadoop-yarn-server ................................ SKIPPED [INFO] hadoop-yarn-server-common ......................... SKIPPED [INFO] hadoop-yarn-server-nodemanager .................... SKIPPED [INFO] hadoop-yarn-server-web-proxy ...................... SKIPPED [INFO] hadoop-yarn-server-resourcemanager ................ SKIPPED [INFO] hadoop-yarn-server-tests .......................... SKIPPED [INFO] hadoop-mapreduce-client ........................... SKIPPED [INFO] hadoop-mapreduce-client-core ...................... SKIPPED [INFO] hadoop-yarn-applications .......................... SKIPPED [INFO] hadoop-yarn-applications-distributedshell ......... SKIPPED [INFO] hadoop-yarn-site .................................. SKIPPED [INFO] hadoop-mapreduce-client-common .................... SKIPPED [INFO] hadoop-mapreduce-client-shuffle ................... SKIPPED [INFO] hadoop-mapreduce-client-app ....................... SKIPPED [INFO] hadoop-mapreduce-client-hs ........................ SKIPPED [INFO] hadoop-mapreduce-client-jobclient ................. SKIPPED [INFO] Apache Hadoop MapReduce Examples .................. SKIPPED [INFO] hadoop-mapreduce .................................. SKIPPED [INFO] Apache Hadoop MapReduce Streaming ................. SKIPPED [INFO] Apache Hadoop Archives ............................ SKIPPED [INFO] Apache Hadoop Rumen ............................... SKIPPED [INFO] Apache Hadoop Extras .............................. SKIPPED [INFO] Apache Hadoop Tools Dist .......................... SKIPPED [INFO] Apache Hadoop Tools ............................... SKIPPED [INFO] Apache Hadoop Distribution ........................ SKIPPED [INFO] ------------------------------------------------------------------------ [INFO] BUILD FAILURE [INFO] ------------------------------------------------------------------------ [INFO] Total time: 17:46.677s [INFO] Finished at: Tue Jan 24 00:51:45 IST 2012 [INFO] Final Memory: 32M/177M [INFO] ------------------------------------------------------------------------ [ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.6:run (compile-proto) on project hadoop-common: An Ant BuildException has occured: exec returned: 127 -> [Help 1] [ERROR] [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch. [ERROR] Re-run Maven using the -X switch to enable full debug logging. [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException [ERROR] [ERROR] After correcting the problems, you can resume the build with the command [ERROR] mvn <goals> -rf :hadoop-common Thanks Rajesh Putta