Bug #7311
closedDRb test suite fails when hostname cannot be reached
Description
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I have set following hostname:
$ hostname
dhcp-25-70
However, it cannot be reached:
$ ping hostname
PING dhcp-25-70 (10.34.25.70) 56(84) bytes of data.
From dhcp-25-1 (10.34.25.1) icmp_seq=1 Destination Host Unreachable
From dhcp-25-1 (10.34.25.1) icmp_seq=2 Destination Host Unreachable
From dhcp-25-1 (10.34.25.1) icmp_seq=3 Destination Host Unreachable
From dhcp-25-1 (10.34.25.1) icmp_seq=4 Destination Host Unreachable
This causes that the DRb test suite fails:
TestDRbAry#test_01 = 3.16 s = E
TestDRbAry#test_02_collect = 3.01 s = E
TestDRbAry#test_03_redo = 3.01 s = E
TestDRbAry#test_05_break = 3.01 s = E
TestDRbAry#test_06_next = 3.01 s = E
TestDRbAry#test_07_break_18 = 3.01 s = E
TestDRbCore#test_00_DRbObject = 0.15 s = .
TestDRbCore#test_01 = 2.85 s = E
TestDRbCore#test_01_02_loop = 3.00 s = E
TestDRbCore#test_02_unknown = 3.01 s = F
TestDRbCore#test_03 = 0.16 s = .
TestDRbCore#test_04 = 0.16 s = .
TestDRbCore#test_05_eq = 0.15 s = .
TestDRbCore#test_06_timeout = 0.36 s = .
TestDRbCore#test_07_public_private_protected_missing = 0.16 s = .
TestDRbCore#test_08_here = 0.16 s = .
TestDRbCore#test_09_option = 0.16 s = .
TestDRbCore#test_10_yield = 1.70 s = E
TestDRbCore#test_10_yield_undumped = 3.17 s = E
TestDRbCore#test_11_remote_no_method_error = 0.16 s = .
TestDRbLarge#test_01_large_ary = 0.05 s = .
TestDRbLarge#test_02_large_ary = 0.06 s = .
TestDRbLarge#test_03_large_ary = 2.63 s = E
TestDRbLarge#test_04_many_arg = 0.05 s = .
TestDRbLarge#test_05_too_large_ary = 0.07 s = .
TestDRbMServer#test_01 = 2.88 s = E
TestDRbRuby18Yield#test_01_one = 0.00 s = .
TestDRbRuby18Yield#test_02_two = 0.00 s = .
TestDRbRuby18Yield#test_03_many = 0.00 s = .
TestDRbRuby18Yield#test_04_many_to_one = 0.00 s = .
TestDRbRuby18Yield#test_05_array_subclass = 0.00 s = .
TestDRbRuby18Yield#test_06_taint = 0.00 s = .
TestDRbRubyYield#test_01_one = 0.00 s = .
TestDRbRubyYield#test_02_two = 0.00 s = .
TestDRbRubyYield#test_03_many = 0.00 s = .
TestDRbRubyYield#test_04_many_to_one = 0.00 s = .
TestDRbRubyYield#test_05_array_subclass = 0.00 s = .
TestDRbRubyYield#test_06_taint = 0.00 s = .
TestDRbSSLAry#test_01 = 3.09 s = E
TestDRbSSLAry#test_02_collect = 3.01 s = E
TestDRbSSLAry#test_03_redo = 3.01 s = E
TestDRbSSLAry#test_05_break = 3.01 s = E
TestDRbSSLAry#test_06_next = 3.01 s = E
TestDRbSSLAry#test_07_break_18 = 3.01 s = E
TestDRbSSLCore#test_00_DRbObject = 0.20 s = .
TestDRbSSLCore#test_01 = 2.82 s = E
TestDRbSSLCore#test_01_02_loop = 0.22 s = .
TestDRbSSLCore#test_02_unknown = 0.20 s = .
TestDRbSSLCore#test_03 = 0.24 s = .
TestDRbSSLCore#test_04 = 0.21 s = .
TestDRbSSLCore#test_05_eq = 0.23 s = .
TestDRbSSLCore#test_06_timeout = 0.44 s = .
TestDRbSSLCore#test_07_public_private_protected_missing = 0.29 s = .
TestDRbSSLCore#test_08_here = 0.22 s = .
TestDRbSSLCore#test_09_option = 0.21 s = .
TestDRbSSLCore#test_10_yield = 0.75 s = E
TestDRbSSLCore#test_10_yield_undumped = 3.22 s = E
TestDRbSSLCore#test_11_remote_no_method_error = 0.24 s = .
TestDRbSafe1#test_01 = 0.15 s = .
TestDRbSafe1#test_02_collect = 2.60 s = E
TestDRbSafe1#test_03_redo = 3.01 s = E
TestDRbSafe1#test_05_break = 3.00 s = E
TestDRbSafe1#test_06_next = 3.01 s = E
TestDRbSafe1#test_07_break_18 = 3.01 s = E
TestDRbUNIXAry#test_01 = 0.17 s = .
TestDRbUNIXAry#test_02_collect = 2.84 s = E
TestDRbUNIXAry#test_03_redo = 3.01 s = E
TestDRbUNIXAry#test_05_break = 3.01 s = E
TestDRbUNIXAry#test_06_next = 3.01 s = E
TestDRbUNIXAry#test_07_break_18 = 3.01 s = E
TestDRbUNIXCore#test_00_DRbObject = 0.16 s = .
TestDRbUNIXCore#test_01 = 2.84 s = E
TestDRbUNIXCore#test_01_02_loop = 0.17 s = .
TestDRbUNIXCore#test_02_unknown = 0.16 s = .
TestDRbUNIXCore#test_03 = 0.17 s = .
TestDRbUNIXCore#test_04 = 0.16 s = .
TestDRbUNIXCore#test_05_eq = 0.16 s = .
TestDRbUNIXCore#test_06_timeout = 0.37 s = .
TestDRbUNIXCore#test_07_public_private_protected_missing = 0.17 s = .
TestDRbUNIXCore#test_08_here = 0.17 s = .
TestDRbUNIXCore#test_09_option = 0.17 s = .
TestDRbUNIXCore#test_10_yield = 1.29 s = E
TestDRbUNIXCore#test_10_yield_undumped = 3.17 s = E
TestDRbUNIXCore#test_11_remote_no_method_error = 0.17 s = .
TestDRbYield#test_01_one = 2.73 s = E
TestDRbYield#test_02_two = 3.01 s = E
TestDRbYield#test_03_many = 3.01 s = E
TestDRbYield#test_04_many_to_one = 3.01 s = E
TestDRbYield#test_05_array_subclass = 3.01 s = E
TestDRbYield#test_06_taint = 3.01 s = E
So there are two possible ways how to fix this issue.
(1) Enforce usage of localhost in test suite (0001-Enforce-localhost-for-DRb-tests.patch). Unfortunately it appears it does not solve my issues completely under some (not so clear) circumstances.
(2) Detect if hostname is associated with some IPÂ address of my computer, otherwise fallback to localhost (0001-Fallback-to-localhost-if-hostname-is-not-associated-.patch). This resolves my issue completely.
BTW this test error later causes deadlock in TestProcess test suite [1], which is nasty :/
[1] https://github.com/ruby/ruby/blob/trunk/test/ruby/test_process.rb#L12
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