On Tue, 8 Dec 2020 09:53:36 GMT, Serguei Spitsyn <sspit...@openjdk.org> wrote:
> The StressRedefine.java (base for redefine stress tests) defines 3 important > constants: > private static int staticMethodCallersNumber = 10; > private static int nonstaticMethodCallersNumber = 10; > private static int redefiningThreadsNumber = 40; > > The 1st is number of threads to call a static method from constantly > redefined class. > The 2nd is number of threads to call am instance method from constantly > redefined class. > The 3rd is number of threads to redefine the target class. > The redefiningThreadsNumber=40 is unreasonably big for the StressRedefine > test, and there is no chance with -Xcomp for one of the methods above to get > resolved without a class redefinition. So, after 100 of non-successfull > attempts we hit the guarantee in the > open/src/hotspot/share/interpreter/interpreterRuntime.cpp:879 > guarantee((retry_count++ < 100)) failed: Could not resolve to latest > version of redefined method > To avoid it, the test StressRedefine/TestDescription.java is tweaked to have > redefiningThreadsNumber=4. > > The test StressRedefineWithoutBytecodeCorruption is worse as it fails even > with redefiningThreadsNumber=1. So, a require is added to exclude the test > with the -Xcomp flag. This pull request has been closed without being integrated. ------------- PR: https://git.openjdk.java.net/jdk/pull/1692
