[jboss-jira] [JBoss JIRA] (WFLY-9230) ServletPrintWriter.checkError does not flush

ServletPrintWriter.checkError does not flush -------------------------------------------- Key: WFLY-9230 URL: https://issues.jboss.org/browse/WFLY-9230 Project: WildFly Issue Type: Bug Components: Web (Undertow) Affects Versions: 10.1.0.Final Reporter: tony weston Assignee: Stuart Douglas Priority: Minor io.undertow.servlet.spec.ServletPrintWriter.checkError() does not flush the stream. according to JDK docs, printWriter.checkError() 'Flushes the stream if it's not closed and checks its error state'. This bug discovered by accident when converting a Payara to wildfly, which used checkError to flush the stream, and check errors.