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  1. ,

    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.

  2. ,

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

Solutions on the web

via https://bugzilla.redhat.com/bugzilla/ by Alon Bar-Lev, 1 year ago
via Netbeans Bugzilla by dovidhalevi, 1 year ago
java.lang.NumberFormatException: For input string: ",B6,W5,B2,W7,B,B,W,W"	at java.lang.NumberFormatException.forInputString(Unknown Source)	at java.lang.Integer.parseInt(Unknown Source)	at java.lang.Integer.parseInt(Unknown Source)	at GameplayState.getTile(GameplayState.java:168)	at GameplayState.update(GameplayState.java:124)	at org.newdawn.slick.state.StateBasedGame.update(StateBasedGame.java:268)	at org.newdawn.slick.GameContainer.updateAndRender(GameContainer.java:657)	at org.newdawn.slick.AppGameContainer.gameLoop(AppGameContainer.java:408)	at org.newdawn.slick.AppGameContainer.start(AppGameContainer.java:318)	at CodaClient.main(CodaClient.java:34)