Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Samebug tips

  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. ,

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

java.lang.NumberFormatException: For input string: "" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Integer.parseInt(Integer.java:493) at java.lang.Integer.parseInt(Integer.java:514) at scala.collection.immutable.StringLike$class.toInt(StringLike.scala:207) at scala.collection.immutable.StringOps.toInt(StringOps.scala:31) at kafka.utils.VerifiableProperties.getIntInRange(VerifiableProperties.scala:73) at kafka.utils.VerifiableProperties.getIntInRange(VerifiableProperties.scala:46) at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:49) at kafka.server.KafkaConfig.<init>(KafkaConfig.scala:31) at kafka.Kafka$.main(Kafka.scala:35) at kafka.Kafka.main(Kafka.scala)