jboss-cli "java.lang.ArithmeticException: / by zero" when executed from /usr/bin/expect without tty --------------------------------------------------------------------------------------------------- Key: WFCORE-4278 URL: https://issues.jboss.org/browse/WFCORE-4278 Project: WildFly Core Issue Type: Bug Components: CLI Environment: Fedora 29, RHEL7.5 Reporter: Jean-Francois Denise Assignee: Jean-Francois Denise Priority: Major Running the jboss-cli.sh from expect without tty (e.g. a cron or a jenkins job), causes a division by zero. (you can simulate non-availability of the real tty with "-nottycopy" : NB: The failure occurs when you type a character in the CLI console. {code} $ /usr/bin/expect expect1.1> spawn -nottycopy ./jboss-cli.sh spawn -nottycopy ./jboss-cli.sh 25901 expect1.2> interact You are disconnected at the moment. Type 'connect' to connect to the server or 'help' for the list of supported commands. [disconnected /] Exception in thread "CLI Terminal Connection (uninterruptable)" java.lang.ArithmeticException: / by zero at org.aesh.readline.Buffer.printInsertedData(Buffer.java:582) at org.aesh.readline.Buffer.insert(Buffer.java:231) at org.aesh.readline.AeshConsoleBuffer.writeChar(AeshConsoleBuffer.java:130) at org.aesh.readline.Readline$AeshInputProcessor.parse(Readline.java:262) at org.aesh.readline.Readline$AeshInputProcessor.access$100(Readline.java:174) at org.aesh.readline.Readline.readInput(Readline.java:95) at org.aesh.readline.Readline.access$1000(Readline.java:57) at org.aesh.readline.Readline$AeshInputProcessor.lambda$start$1(Readline.java:333) at org.aesh.terminal.EventDecoder.accept(EventDecoder.java:118) at org.aesh.terminal.EventDecoder.accept(EventDecoder.java:31) at org.aesh.io.Decoder.write(Decoder.java:133) at org.aesh.readline.tty.terminal.TerminalConnection.openBlocking(TerminalConnection.java:216) at org.aesh.readline.tty.terminal.TerminalConnection.openBlocking(TerminalConnection.java:203) at org.jboss.as.cli.impl.ReadlineConsole$CLITerminalConnection.lambda$null$1(ReadlineConsole.java:176) at java.lang.Thread.run(Thread.java:748) {code} The same works fine on EAP 7.1