Github user jackylk commented on a diff in the pull request: https://github.com/apache/carbondata/pull/2920#discussion_r233437690 --- Diff: store/sdk/src/main/java/org/apache/carbondata/sdk/file/CarbonWriterBuilder.java --- @@ -438,13 +438,13 @@ public CarbonWriter build() throws IOException, InvalidLoadOptionException { Objects.requireNonNull(path, "path should not be null"); if (this.writerType == null) { throw new IOException( - "Writer type is not set, use withCsvInput() or withAvroInput() or withJsonInput() " + "'writerType' must be set, use withCsvInput() or withAvroInput() or withJsonInput() " + "API based on input"); } if (this.writtenByApp == null || this.writtenByApp.isEmpty()) { throw new RuntimeException( - "AppName is not set, please use writtenBy() API to set the App Name" - + "which is using SDK"); + "'writtenBy' must be set when writting carbon files, use writtenBy() API to " --- End diff -- ```suggestion "'writtenBy' must be set when writting carbon files, use writtenBy() API to " ```
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