Troubleshooting
Problem
There is slow performance or a hang during HostName lookup.
Symptom
Thread dumps or javacore files taken during the time of the slow response, or "hang threads" will show threads with the following lines at the top of the stack:
at java.net.Inet6AddressImpl.getLocalHostName(Native Method)
at java.net.InetAddress.getLocalHost(InetAddress.java:123)
at java.net.Inet6AddressImpl.getLocalHostName(Native Method)
at java.net.InetAddress.getLocalHost(InetAddress.java:123)
[{"Product":{"code":"SSEQTP","label":"WebSphere Application Server"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Java SDK","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"9.0;8.5.5;8.5;8.0;7.0","Edition":"Base;Express;Network Deployment","Line of Business":{"code":"LOB77","label":"Automation Platform"}},{"Type":"MASTER","Line of Business":{"code":"LOB77","label":"Automation Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSD28V","label":"WebSphere Application Server Liberty Core"},"ARM Category":[{"code":"a8m3p000000F7ylAAC","label":"IBM WebSphere Liberty-All Platforms-\u003EHang Performance CPU"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]
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Document Information
Modified date:
03 March 2025
UID
swg21170467