49 lines
1.7 KiB
Plaintext
49 lines
1.7 KiB
Plaintext
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Please read carefully as the 'menu options' have changed.
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This module has proto files used by core. These protos
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overlap with protos that are used by coprocessor endpoints
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(CPEP) in the module hbase-protocol. So the core versions have
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a different name, the generated classes are relocated
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-- i.e. shaded -- to a new location; they are moved from
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org.apache.hadoop.hbase.* to org.apache.hadoop.hbase.shaded.
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This module also includes the protobuf that hbase core depends
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on again relocated to live at an offset of
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org.apache.hadoop.hbase.shaded so as to avoid clashes with other
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versions of protobuf resident on our CLASSPATH included,
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transitively or otherwise, by dependencies: i.e. the shaded
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protobuf Message class is at
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org.apache.hadoop.hbase.shaded.com.google.protobuf.Message
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rather than at com.google.protobuf.Message.
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Below we describe how to generate the java files for this
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module. Run this step any time you change the proto files
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in this module or if you change the protobuf version. If you
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add a new file, be sure to add mention of the proto in the
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pom.xml (scroll till you see the listing of protos to consider).
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First ensure that the appropriate protobuf protoc tool is in
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your $PATH as in:
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$ export PATH=~/bin/protobuf-3.1.0/src:$PATH
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.. or pass -Dprotoc.path=PATH_TO_PROTOC when running
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the below mvn commands. You may need to download protobuf and
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build protoc first.
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Run:
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$ mvn install -Dgenerate-shaded-classes
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or
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$ mvn install -Pgenerate-shaded-classes
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to build and trigger the special generate-shaded-classes
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profile. When finished, the content of
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src/main/java/org/apache/hadoop/hbase/shaded will have
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been updated. Check in the changes.
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See the pom.xml under the generate-shaded-classes profile
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for more info on how this step works.
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