SimpleAliasRegistry.hasAlias does not properly resolve multiple chained aliases [SPR-17191]

[spring-projects-issues]

hachi029 opened SPR-17191 and commented

here are test cases:

SimpleAliasRegistry sar = new SimpleAliasRegistry();
sar.registerAlias("name", "alias_a");
sar.registerAlias("name", "alias_b");
sar.registerAlias("real_name", "name");

assertTrue((sar).hasAlias("real_name", "alias_b")); //case 1
sar.registerAlias("name", "alias_d");
assertFalse((sar).hasAlias("real_name", "alias_b")); //case 2

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Affects: 4.3.18

Backported to: 4.3.19

[spring-projects-issues]

Juergen Hoeller commented

Good catch! The hasAlias loop continues throughout all chained aliases now, properly resolving such a scenario with multiple chained aliases as well.