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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 monkey-x.com by Unknown author, 2 years ago
via Stack Overflow by gamerguy0102
, 2 years ago
java.lang.NumberFormatException: Invalid int: "null"	at java.lang.Integer.invalidInt(Integer.java:11)	at java.lang.Integer.parseInt(Integer.java:358)	at java.lang.Integer.parseInt(Integer.java)	at android.net.Network.(Network.java)	at java.lang.Class.classForName(Class.java)	at java.lang.Class.forName(Class.java:309)	at java.lang.Class.forName(Class.java:273)	at okhttp3.internal.platform.AndroidPlatform.buildIfSupported(SourceFile:184)	at okhttp3.internal.platform.Platform.findPlatform(SourceFile:152)	at okhttp3.internal.platform.Platform.(SourceFile)	at okhttp3.internal.tls.CertificateChainCleaner.get(SourceFile:41)	at okhttp3.OkHttpClient.(SourceFile)	at okhttp3.OkHttpClient.(SourceFile)