8232853: AuthenticationFilter.Cache::remove may throw ConcurrentModificationException
Summary: Change implementation to use iterator instead of plain LinkedList
Reviewed-by: dfuchs, vtewari
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/*
* @test
* @bug 7184246
* @modules java.security.jgss/sun.security.krb5
* @compile -XDignore.symbol.file Duplicates.java
* @run main/othervm Duplicates
* @summary Simplify Config.get() of krb5
*/
import sun.security.krb5.Config;
public class Duplicates {
public static void main(String[] args) throws Exception {
System.setProperty("java.security.krb5.conf",
System.getProperty("test.src", ".") +"/k1.conf");
Config config = Config.getInstance();
config.listTable();
String s;
// root section merged
s = config.get("libdefaults", "default_realm");
if (!s.equals("R1")) {
throw new Exception();
}
// Former is preferred to latter for strings and sections
s = config.get("libdefaults", "default_tkt_enctypes");
if (!s.equals("aes128-cts")) {
throw new Exception();
}
s = config.get("realms", "R1", "kdc");
if (!s.equals("k1")) {
throw new Exception(s);
}
// Duplicate keys in [realms] are merged, and sections with the same
// name in between ignored
s = config.getAll("realms", "R2", "kdc");
if (!s.equals("k1 k2 k3 k4")) {
throw new Exception(s);
}
// Duplicate keys in [capaths] are merged
s = config.getAll("capaths", "R1", "R2");
if (!s.equals("R3 R4 R5 R6")) {
throw new Exception(s);
}
// We can be very deep now
s = config.get("new", "x", "y", "z", "a", "b", "c");
if (!s.equals("d")) {
throw new Exception(s);
}
}
}