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8059309: network tests fail with "java.net.SocketException: Couldn't obtain phys addr" when run as "root"

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The solaris specific code is changed to use the fallback mechanism if the DLPI interface returns an error indicating that the operation is unsupported. In addition, NetworkInterface::getHardwareAddress is changed to always return null for the loopback interface.

Reviewed-by: alanb
This commit is contained in:
Daniel Fuchs 2020-03-12 18:31:49 +00:00
parent 3ee99ca1d7
commit 58337b12f8
3 changed files with 96 additions and 2 deletions
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5
src/java.base/share/classes/java/net/NetworkInterface.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2020, 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
@ -523,6 +523,9 @@ public final class NetworkInterface {
}
}
}
if (isLoopback0(name, index)) {
return null;
}
for (InetAddress addr : addrs) {
if (addr instanceof Inet4Address) {
return getMacAddr0(((Inet4Address)addr).getAddress(), name, index);