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Samebug tips

  1. ,

    Can occur when you try to convert a String to a numeric value but the String is not well formatted for the conversion.

  2. ,

    You try to parse a String that contains non-numeric characters to an int. The string must contain decimal characters only, optionally beginning with a + or - sign.

Solutions on the web

via GitHub by bblain7
, 1 year ago
Failed to start a listener: winstone.Ajp13ConnectorFactory
via Google Groups by David Aldrich, 2 years ago
Failed to start a listener: winstone.Ajp13ConnectorFactory
via Jenkins JIRA by Bent Terp, 2 years ago
Failed to start a listener: winstone.Ajp13ConnectorFactory
via Stack Overflow by Jayan
, 1 year ago
via Stack Overflow by Kerya
, 11 months ago
Failed to start a listener: winstone.Ajp13ConnectorFactory
via GitHub by watanabe-kyohei
, 3 months ago
Failed to start a listener: winstone.Ajp13ConnectorFactory
java.lang.NumberFormatException: For input string: ""	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:504)	at java.lang.Integer.parseInt(Integer.java:527)	at winstone.cmdline.Option.intArg(Option.java:291)	at winstone.cmdline.Option$OInt.get(Option.java:203)	at winstone.Ajp13ConnectorFactory.start(Ajp13ConnectorFactory.java:24)	at winstone.Launcher.spawnListener(Launcher.java:205)