[jira] [Created] (HBASE-18722) Replace copied guava code w/ pointer to the (shaded) lib

[stack (JIRA)]

stack created HBASE-18722:
-----------------------------

             Summary: Replace copied guava code w/ pointer to the (shaded) lib
                 Key: HBASE-18722
                 URL: https://issues.apache.org/jira/browse/HBASE-18722
             Project: HBase
          Issue Type: Bug
            Reporter: stack
            Priority: Minor


I found a few bits of code copied from guava src:

{code}
./src/main/java/org/apache/hadoop/hbase/io/LimitInputStream.java: * Copied from 
guava source code v15 (LimitedInputStream)
./src/main/java/org/apache/hadoop/hbase/io/LimitInputStream.java: * allows to 
be compatible with guava 11 to 15+.
./src/main/java/org/apache/hadoop/hbase/util/ByteBufferUtils.java:         * 
from guava v21
./src/main/java/org/apache/hadoop/hbase/util/Bytes.java:             * 
comparator from guava v21
{code}

We can instead point back at guava implementations now we use shaded guava 
internally. No point having it in our code base when latest guava is on latest 
CLASSPATH (This wasn't always the case; this is why the code was copied into 
hbase).

Also, there are other copies other than the above.



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