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From Harsh J <ha...@cloudera.com>
Subject Re: Issue while building hadoop-mapreduce-project in trunk
Date Sat, 12 Nov 2011 02:23:37 GMT
Looks like your default Java is not Sun Java? Switch to Sun Java and run the mvn steps. I've
seen this come up when OpenJDK is in use instead.

On 12-Nov-2011, at 2:33 AM, rajesh putta wrote:

> Hi,
> When i am trying to build hadoop-mapreduce-project in hadoop trunk i came across this.Please
help me out with this.Thanks in advance
> 
> 
> [ERROR] COMPILATION ERROR : 
> [INFO] -------------------------------------------------------------
> [ERROR] /home/rajesh/Hadoop-Trunk/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[473,33]
incompatible types; inferred type argument(s) org.apache.hadoop.mapreduce.Counter,java.lang.Object
do not conform to bounds of type variable(s) C,G
> found   : <C,G>java.lang.String
> required: java.lang.String
> [ERROR] /home/rajesh/Hadoop-Trunk/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[485,36]
incompatible types; inferred type argument(s) org.apache.hadoop.mapreduce.Counter,java.lang.Object
do not conform to bounds of type variable(s) C,G
> found   : <C,G>org.apache.hadoop.mapred.Counters
> required: org.apache.hadoop.mapred.Counters
> [INFO] 2 errors 
> [INFO] -------------------------------------------------------------
> [INFO] ------------------------------------------------------------------------
> [INFO] Reactor Summary:
> [INFO] 
> [INFO] hadoop-yarn ....................................... SUCCESS [7.726s]
> [INFO] hadoop-yarn-api ................................... SUCCESS [45.438s]
> [INFO] hadoop-yarn-common ................................ SUCCESS [58.722s]
> [INFO] hadoop-yarn-server ................................ SUCCESS [0.464s]
> [INFO] hadoop-yarn-server-common ......................... SUCCESS [19.194s]
> [INFO] hadoop-yarn-server-nodemanager .................... SUCCESS [40.454s]
> [INFO] hadoop-yarn-server-web-proxy ...................... SUCCESS [12.709s]
> [INFO] hadoop-yarn-server-resourcemanager ................ SUCCESS [49.082s]
> [INFO] hadoop-yarn-server-tests .......................... SUCCESS [7.770s]
> [INFO] hadoop-mapreduce-client ........................... SUCCESS [0.361s]
> [INFO] hadoop-mapreduce-client-core ...................... FAILURE [34.484s]
> [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] hadoop-mapreduce .................................. SKIPPED
> [INFO] ------------------------------------------------------------------------
> [INFO] BUILD FAILURE
> [INFO] ------------------------------------------------------------------------
> [INFO] Total time: 4:39.327s
> [INFO] Finished at: Sat Nov 12 02:22:55 IST 2011
> [INFO] Final Memory: 111M/303M
> [INFO] ------------------------------------------------------------------------
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:2.3.2:compile
(default-compile) on project hadoop-mapreduce-client-core: Compilation failure: Compilation
failure:
> [ERROR] /home/rajesh/Hadoop-Trunk/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[473,33]
incompatible types; inferred type argument(s) org.apache.hadoop.mapreduce.Counter,java.lang.Object
do not conform to bounds of type variable(s) C,G
> [ERROR] found   : <C,G>java.lang.String
> [ERROR] required: java.lang.String
> [ERROR] /home/rajesh/Hadoop-Trunk/trunk/hadoop-mapreduce-project/hadoop-mapreduce-client/hadoop-mapreduce-client-core/src/main/java/org/apache/hadoop/mapred/Counters.java:[485,36]
incompatible types; inferred type argument(s) org.apache.hadoop.mapreduce.Counter,java.lang.Object
do not conform to bounds of type variable(s) C,G
> [ERROR] found   : <C,G>org.apache.hadoop.mapred.Counters
> [ERROR] required: org.apache.hadoop.mapred.Counters
> [ERROR] -> [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/MojoFailureException
> [ERROR] 
> [ERROR] After correcting the problems, you can resume the build with the command
> [ERROR]   mvn <goals> -rf :hadoop-mapreduce-client-core
> 
> 
> Thanks 
> Rajesh Putta
> Development Engineer
> Pramati Technologies


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