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  1. ,

    Java does not handle IPv6 nameservers before 1.8.0_60. Upgrade to the latest JVM.

  2. ,

    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 GitHub by sho-suzuki
, 9 months ago
via openbravo by suaa
, 1 year ago
For input string: ""
via Stack Overflow by Boli-CS
, 2 years ago
via Cloudera Open Source by ed, 1 year ago
via Atlassian JIRA by Kang Ong [Atlassian], 1 year ago
via Atlassian JIRA by Kang Ong [Atlassian], 2 years ago
java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:48) at java.lang.Integer.parseInt(Integer.java:468) at java.lang.Integer.valueOf(Integer.java:553)