すみません。
このようになっています。

Caused by: java.lang.ArrayIndexOutOfBoundsException
at java.lang.System.arraycopy(Native Method)
at com.evermind.server.http.EvermindServletOutputStream.write(EvermindServletOutputStream.java:216)
at com.evermind.server.http.EvermindServletOutputStream.write(EvermindServletOutputStream.java:151)
at sun.nio.cs.StreamEncoder$CharsetSE.writeBytes(StreamEncoder.java:336)
at sun.nio.cs.StreamEncoder$CharsetSE.implFlushBuffer(StreamEncoder.java:404)
at sun.nio.cs.StreamEncoder$CharsetSE.implFlush(StreamEncoder.java:408)
at sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:152)
at java.io.OutputStreamWriter.flush(OutputStreamWriter.java:213)
at java.io.BufferedWriter.flush(BufferedWriter.java:230)
at java.io.PrintWriter.flush(PrintWriter.java:120)
at java.io.PrintWriter.newLine(PrintWriter.java:256)
at java.io.PrintWriter.println(PrintWriter.java:405)
at java.io.PrintWriter.println(PrintWriter.java:516)
at jp.co.xxx.test.logic.Logic.outputCsv(Logic.java:305)
... 14 more