Allan Yang created HBASE-16283:
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Summary: Batch Append/Increment will always fail if set
ReturnResults to false
Key: HBASE-16283
URL: https://issues.apache.org/jira/browse/HBASE-16283
Project: HBase
Issue Type: Bug
Components: API
Affects Versions: 1.2.2, 1.1.5, 2.0.0
Reporter: Allan Yang
Priority: Minor
Fix For: 2.0.0
If set Append/Increment's ReturnResult attribute to false, and batch the
appends/increments to server. The batch operation will always return false.
The reason is that, since return result is set to false, append/increment will
return null instead of Result object. But in ResponseConverter#getResults,
there is some check code
{code}
if (requestRegionActionCount != responseRegionActionResultCount) {
throw new IllegalStateException("Request mutation count=" +
requestRegionActionCount +
" does not match response mutation result count=" +
responseRegionActionResultCount);
}
{code}
That means if the result count is not meat with request mutation count, it will
fail the request.
The solution is simple, instead of returning a null result, return a empty
result if ReturnResult set to null.
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