Friday, March 4, 2016

Disable Java JVM Default DNS Caching

You can disable the Java Virtual machine default DNS caching following any of the below methods
( By Default java 1.6 caches all the DNS queries ):

  • Method 1(Changes while staring up JVM)
    • Add while starting up the JVM.

  • Method 2(Changes in java config file)
    • Add/Edit the property networkaddress.cache.ttl=0 in %JRE%/lib/security/ file. Here JRE refers to Java Runtime Environment folder.

  • Method 3(Changes in your code)
    • Set the property in you java code as"networkaddress.cache.ttl", "0" );

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