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    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 Stack Overflow by lantonis
, 2 years ago
java.lang.NumberFormatException: Invalid int: "null" at java.lang.Integer.invalidInt( at java.lang.Integer.parseInt( at java.lang.Integer.parseInt( at<init>( at java.lang.Class.classForName( at java.lang.Class.forName( at java.lang.Class.forName( at okhttp3.internal.platform.AndroidPlatform.buildIfSupported(SourceFile:184) at okhttp3.internal.platform.Platform.findPlatform(SourceFile:152) at okhttp3.internal.platform.Platform.<init>(SourceFile) at okhttp3.internal.tls.CertificateChainCleaner.get(SourceFile:41) at okhttp3.OkHttpClient.<init>(SourceFile) at okhttp3.OkHttpClient.<init>(SourceFile)