[jira] [Updated] (FLINK-1699) Co-task sometimes returns null

[ https://issues.apache.org/jira/browse/FLINK-1699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gábor Hermann updated FLINK-1699: - Description: Connecting two grouped data stream coMapping them and sinking it in a custom sink

[jira] [Updated] (FLINK-1699) Co-task sometimes returns null

[ https://issues.apache.org/jira/browse/FLINK-1699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Gábor Hermann updated FLINK-1699: - Description: Connecting two grouped data stream coMapping them and sinking it in a custom sink