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Re: Hadoop Maven Build Fails
If you're also interested in tracking the issue to make it work with
2.5+ protobuf versions, please follow
https://issues.apache.org/jira/browse/HADOOP-9346.

On Thu, May 9, 2013 at 2:08 AM, Konstantin Weitz
<[EMAIL PROTECTED]> wrote:
> Using 2.4.1 did the trick. Thank you very much!
>
>
> On Wed, May 8, 2013 at 12:01 PM, Ted Yu <[EMAIL PROTECTED]> wrote:
>>
>> Please use protobuf 2.4.1
>>
>> Cheers
>>
>>
>> On Wed, May 8, 2013 at 11:59 AM, Konstantin Weitz
>> <[EMAIL PROTECTED]> wrote:
>>>
>>> I'm trying to build the latest svn version of hadoop (r1480394 |
>>> 2013-05-08 11:28:22) with maven, but I get many errors of the following kind
>>> (this is a small snippet of the output). It appears that something is wrong
>>> with protobuf, I have version 2.5.0-3 installed. Any hints on how I can fix
>>> this?
>>>
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[878,4]
>>> error: method does not override or implement a method from a supertype
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1027,12]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method
>>> ensureFieldAccessorsInitialized(Class<GracefulFailoverRequestProto>,Class<Builder>)
>>> [ERROR] location: variable
>>> internal_static_hadoop_common_GracefulFailoverRequestProto_fieldAccessorTable
>>> of type FieldAccessorTable
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1108,104]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method getUnfinishedMessage()
>>> [ERROR] location: variable e of type InvalidProtocolBufferException
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1157,8]
>>> error: getUnknownFields() in GracefulFailoverResponseProto cannot override
>>> getUnknownFields() in GeneratedMessage
>>> [ERROR] overridden method is final
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1176,19]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method
>>> parseUnknownField(CodedInputStream,Builder,ExtensionRegistryLite,int)
>>> [ERROR] location: class GracefulFailoverResponseProto
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1185,15]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method
>>> setUnfinishedMessage(GracefulFailoverResponseProto)
>>> [ERROR] location: variable e of type InvalidProtocolBufferException
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1188,27]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method
>>> setUnfinishedMessage(GracefulFailoverResponseProto)
>>> [ERROR] location: class InvalidProtocolBufferException
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1191,8]
>>> error: cannot find symbol
>>> [ERROR] symbol:   method makeExtensionsImmutable()
>>> [ERROR] location: class GracefulFailoverResponseProto
>>> [ERROR]
>>> /home/konne/Projects/jsr308/user-study/ohloh/projects/hadoop/hadoop-common-project/hadoop-common/target/generated-sources/java/org/apache/hadoop/ha/proto/ZKFCProtocolProtos.java:[1202,10]

Harsh J