Github user dongjoon-hyun commented on the pull request:
https://github.com/apache/spark/pull/12192#issuecomment-207031919
Just for a record, here is the current error message from **doc-jar**. (The
version of doc-jar is the latest.)
```
[INFO] <<< scala-maven-plugin:3.2.2:doc-jar (attach-scaladocs) <
generate-sources @ spark-catalyst_2.11 <<<
[INFO]
[INFO] --- scala-maven-plugin:3.2.2:doc-jar (attach-scaladocs) @
spark-catalyst_2.11 ---
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option PermSize=64m;
support was removed in 8.0
Java HotSpot(TM) 64-Bit Server VM warning: ignoring option
MaxPermSize=512m; support was removed in 8.0
/Users/dongjoon/spark/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/stringExpressions.scala:626:
error: annotation argument needs to be a constant; found: "_FUNC_(str) -
".+("Returns str, with the first letter of each word in uppercase, all other
letters in ").+("lowercase. Words are delimited by white space.")
"Returns str, with the first letter of each word in uppercase, all
other letters in " +
^
```
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