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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 GitHub by Andevity
, 1 year ago
Unexpected NumberFormatException: Invalid int: "v1"
via GitHub by arso8
, 5 months ago
Unexpected IllegalArgumentException: null
via GitHub by PaulWoitaschek
, 1 year ago
Unexpected IllegalArgumentException: 1 > 0
via GitHub by timonchev
, 1 year ago
Unexpected IllegalArgumentException: null
via GitHub by pagoss
, 10 months ago
Unexpected IllegalArgumentException: Unsupported media rate.
via GitHub by Merseyside
, 1 year ago
Unexpected StringIndexOutOfBoundsException: length=22; regionStart=23; regionLength=-1
java.lang.NumberFormatException: Invalid int: "v1"	at java.lang.Integer.invalidInt(	at java.lang.Integer.parse(	at java.lang.Integer.parseInt(	at java.lang.Integer.parseInt(	at	at	at	at	at	at	at	at$