> JDK-8265369 [macos-aarch64] java/net/MulticastSocket/Promiscuous.java failed > with "SocketException: Cannot allocate memory" > > The test java/net/MulticastSocket/Promiscuous.java has been observed to fail > on a regular basis on macosx-aarch. > This is typically under heavy test load on a test machine. Analysis of the > problem have > shown that the setsockopt for joining a multicast group will intermittently > fail with ENOMEM. > > While analysis of test environment shows significant memory usage and some > memory pressure, it is > not excessive and as such it is deemed transition or temporary condition, > such that a retry of the > setsockopt system call, has been seen to mitigate the issue. This adds to the > stability of the > Promiscuous.java test and reduces test failure noise. > > The proposed fix is in > open/src/java.base/unix/native/libnet/PlainDatagramSocketImpl.c > in the mcast_join_leave function. That is, if setsockopt to join an mcast > group fails, and the errno == ENOMEM, > then re-invoke the setsockopt system call for joining a mcast group. > The change has been applied as a conditional compilation. > Additionally this change result in the Promiscuous.java test being removed > from the > ProblemList.txt. > > Please oblige and review the changes for a fix of the issue JDK-8265369
Mark Sheppard has updated the pull request incrementally with one additional commit since the last revision: JDK-8265369 [macos-aarch64] java/net/MulticastSocket/Promiscuous.java failed with "SocketException: Cannot allocate memory" amendments as per suggestion from Chris Hegarty ------------- Changes: - all: https://git.openjdk.java.net/jdk17/pull/44/files - new: https://git.openjdk.java.net/jdk17/pull/44/files/2e940bc0..ac82b8df Webrevs: - full: https://webrevs.openjdk.java.net/?repo=jdk17&pr=44&range=01 - incr: https://webrevs.openjdk.java.net/?repo=jdk17&pr=44&range=00-01 Stats: 58 lines in 1 file changed: 9 ins; 34 del; 15 mod Patch: https://git.openjdk.java.net/jdk17/pull/44.diff Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/44/head:pull/44 PR: https://git.openjdk.java.net/jdk17/pull/44