[jira] [Commented] (SPARK-42178) Handle remaining null string values in ui protobuf serializer and add tests

[ https://issues.apache.org/jira/browse/SPARK-42178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17680455#comment-17680455 ] Apache Spark commented on SPARK-42178: -- User 'gengliangwang' has created a pull request for this

[jira] [Commented] (SPARK-42178) Handle remaining null string values in ui protobuf serializer and add tests

[ https://issues.apache.org/jira/browse/SPARK-42178?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=17680454#comment-17680454 ] Apache Spark commented on SPARK-42178: -- User 'gengliangwang' has created a pull request for this