java.lang.NumberFormatException: For input string: "null"

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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 blogspot.com by Unknown author, 1 year ago
For input string: "null"
via Stack Overflow by LiquidSpirit
, 1 year ago
For input string: "1cRT"
via Coderanch by Mike Oxenfire, 1 year ago
For input string: "shirt "
via GitHub by DallonTG
, 2 years ago
For input string: "localhost"
via Apache's JIRA Issue Tracker by Hao Xia, 1 year ago
For input string: "2147483648"
via ws-users by Jochen Wiedmann, 2 years ago
For input string: "Client"
java.lang.NumberFormatException: For input string: "null"	at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65)	at java.lang.Integer.parseInt(Integer.java:492)	at java.lang.Integer.parseInt(Integer.java:527)	at Main.main(Main.java:24)