You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@harmony.apache.org by "Gregory Shimansky (JIRA)" <ji...@apache.org> on 2007/05/17 16:25:16 UTC
[jira] Updated: (HARMONY-3627) [drlvm][exception] VM works
incorrectly if several threads catch StackOverflowError
[ https://issues.apache.org/jira/browse/HARMONY-3627?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Gregory Shimansky updated HARMONY-3627:
---------------------------------------
Summary: [drlvm][exception] VM works incorrectly if several threads catch StackOverflowError (was: [drlvm] VM works incorrectly if several threads catch StackOverflowError)
> [drlvm][exception] VM works incorrectly if several threads catch StackOverflowError
> -----------------------------------------------------------------------------------
>
> Key: HARMONY-3627
> URL: https://issues.apache.org/jira/browse/HARMONY-3627
> Project: Harmony
> Issue Type: Bug
> Components: DRLVM
> Reporter: Vera Petrashkova
> Priority: Minor
>
> When several threads expect StackOverflowError then VM works incorrectly.
> The following test demonstrates this issue.
> VM crashes or finish its run abnormally.
> ----------------test.java-------------------
> public class test extends Thread {
> public static void main (String[] argv) {
> int N_TH = 5;
> try {
> if (argv.length > 0) {
> N_TH=Integer.parseInt(argv[0]);
> }
> } catch (Throwable e) {
> }
> test t[] = new test[N_TH];
> for (int i = 0; i < N_TH; i++) {
> t[i]=new test();
> t[i].start();
> }
> try {
> for (int i = 0; i < N_TH; i++) {
> t[i].join();
> }
> } catch (Throwable e) {
> System.err.println(e);
> }
> System.out.println("Test passed");
> }
> public void m(int t) {
> m(t+1);
> }
> public void run() {
> System.err.println("Start");
> try {
> m(0);
> } catch (StackOverflowError e) {
> }
> }
> }
> ------------------------------
> Run test
> java -cp . test 20
> Output:
> Sometimes test passes.
> Apache Harmony Launcher : (c) Copyright 1991, 2006 The Apache Software Foundation or its l
> icensors, as applicable.
> java version "1.5.0"
> pre-alpha : not complete or compatible
> svn = r526746, (Apr 10 2007), Windows/ia32/msvc 1310, release build
> http://incubator.apache.org/harmony
> Start
> ...
> Start
> Test passed
> But usually VM does not report full message and finishes execution or crashes:
> Start
> Start
> Start
--
This message is automatically generated by JIRA.
-
You can reply to this email to add a comment to the issue online.