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8382403: Enhance Kerberos DNS KDC discovery logging to expose sanitized DNS failure

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Reviewed-by: weijun
This commit is contained in:
Kieran Farrell 2026-04-30 13:09:34 +00:00 committed by Weijun Wang
parent c2a4966864
commit 91a4910edc
1 changed files with 9 additions and 6 deletions
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15
src/java.security.jgss/share/classes/sun/security/krb5/KrbServiceLocator.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2006, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2006, 2026, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -25,8 +25,6 @@
package sun.security.krb5;
import sun.security.krb5.internal.Krb5;
import java.util.Arrays;
import java.util.Hashtable;
import java.util.Random;
@ -36,6 +34,8 @@ import javax.naming.*;
import javax.naming.directory.*;
import javax.naming.spi.NamingManager;
import static sun.security.krb5.internal.Krb5.DEBUG;
/**
* This class discovers the location of Kerberos services by querying DNS,
* as defined in RFC 4120.
@ -115,7 +115,9 @@ class KrbServiceLocator {
}
}
} catch (NamingException e) {
// ignore
if (DEBUG != null) {
e.printStackTrace(DEBUG.getPrintStream());
}
}
return records;
}
@ -187,8 +189,9 @@ class KrbServiceLocator {
hostports = extractHostports(srvRecords);
}
} catch (NamingException e) {
// e.printStackTrace();
// ignore
if (DEBUG != null) {
e.printStackTrace(DEBUG.getPrintStream());
}
}
return hostports;
}