FAQ
Please check your project build-path.
On Tue, Nov 3, 2009 at 12:28 PM, wrote:

Hi .
I am trying to work on building Hadoop in Eclipse.
The version I am checking out is
http://svn.apache.org/repos/asf/hadoop/common/tags/release-0.20.1 .
After checking out this release and following the instructions on the
http://wiki.apache.org/hadoop/EclipseEnvironment page I am still not able
to
build this release.
After running the build.xml I get a message saying Build Successful but in
the Problems tab it shows errors like :
Description Resource Path Location Type
Counters cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
496 Java Problem
Counters cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
501 Java Problem
Counters cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
503 Java Problem
FileInputFormat cannot be resolved GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
160 Java Problem
FileOutputFormat cannot be resolved GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
161 Java Problem
JobClient cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
486 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
123 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
145 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
145 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
192 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
220 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
263 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
300 Java Problem
JobConf cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
487 Java Problem
JobID cannot be resolved GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
495 Java Problem
JobID cannot be resolved GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
509 Java Problem
JobID cannot be resolved GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
511 Java Problem
TaskReport cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
509 Java Problem
TaskReport cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
510 Java Problem
TaskReport cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
522 Java Problem
TaskReport cannot be resolved to a type GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
544 Java Problem
The declared package "org.apache.hadoop.mapred" does not match the expected
package "gridmix2.src.java.org.apache.hadoop.mapred" GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
19 Java Problem
The method createJob(String[]) from the type CombinerJobCreator refers to
the missing type JobConf GridMixRunner.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
220 Java Problem
FileInputFormat cannot be resolved GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
52 Java Problem
FileInputFormat cannot be resolved GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
69 Java Problem
FileOutputFormat cannot be resolved GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
47 Java Problem
JobClient cannot be resolved to a type GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
58 Java Problem
JobClient cannot be resolved to a type GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
58 Java Problem
The declared package "org.apache.hadoop.mapred" does not match the expected
package "gridmix2.src.java.org.apache.hadoop.mapred"
GenericMRLoadJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
19 Java Problem
FileInputFormat cannot be resolved CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
84 Java Problem
FileOutputFormat cannot be resolved CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
86 Java Problem
JobConf cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
64 Java Problem
JobConf cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
65 Java Problem
JobConf cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
65 Java Problem
Mapper cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
33 Java Problem
MapReduceBase cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
32 Java Problem
MapReduceBase cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
50 Java Problem
OutputCollector cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
39 Java Problem
Reducer cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
51 Java Problem
Reporter cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
40 Java Problem
Reporter cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
55 Java Problem
The declared package "org.apache.hadoop.mapred" does not match the expected
package "gridmix2.src.java.org.apache.hadoop.mapred"
CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
19 Java Problem
OutputCollector cannot be resolved to a type CombinerJobCreator.java
/hadoop/src/benchmarks/gridmix2/src/java/org/apache/hadoop/mapred line
54 Java Problem


The version of Eclipse I am running is : Eclipse Galileo
Java Version : 1.6
OS : Mac OS 10.5

Any pointers on getting the hadoop build runnning in Eclipse will highly be
appreciated .

Regards,
Hrishi



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postedNov 3, '09 at 6:28p
activeNov 3, '09 at 8:20p
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