Pankraz76 commented on code in PR #2382:
URL: https://github.com/apache/maven/pull/2382#discussion_r2103993970
##########
its/core-it-support/core-it-plugins/maven-it-plugin-active-collection/src/main/java/org/apache/maven/plugin/coreit/CheckThreadSafetyMojo.java:
##########
@@ -70,86 +71,97 @@ public class CheckThreadSafetyMojo extends AbstractMojo {
* Runs this mojo.
*
* @throws MojoExecutionException If the output file could not be created.
+ *
+ * @implNote threads need to use different realms to trigger changes of
the collections.
*/
public void execute() throws MojoExecutionException {
- Properties componentProperties = new Properties();
-
getLog().info("[MAVEN-CORE-IT-LOG] Testing concurrent component
access");
-
- ClassLoader pluginRealm = getClass().getClassLoader();
- ClassLoader coreRealm = MojoExecutionException.class.getClassLoader();
-
- final Map map = componentMap;
- final List list = componentList;
- final List go = new Vector();
- final List exceptions = new Vector();
-
- Thread[] threads = new Thread[2];
+ final List<Exception> exceptions = new Vector<>();
+ final CountDownLatch startLatch = new CountDownLatch(1);
+ final Thread[] threads = new Thread[2];
for (int i = 0; i < threads.length; i++) {
- // NOTE: The threads need to use different realms to trigger
changes of the collections
- final ClassLoader cl = (i % 2) == 0 ? pluginRealm : coreRealm;
- threads[i] = new Thread() {
- private final ClassLoader tccl = cl;
-
- public void run() {
- getLog().info("[MAVEN-CORE-IT-LOG] Thread " + this + "
uses " + tccl);
- Thread.currentThread().setContextClassLoader(tccl);
- while (go.isEmpty()) {
- // wait for start
- }
- for (int j = 0; j < 10 * 1000; j++) {
- try {
- for (Object o : map.values()) {
- o.toString();
- }
- for (Object aList : list) {
- aList.toString();
- }
- } catch (Exception e) {
- getLog().warn("[MAVEN-CORE-IT-LOG] Thread " + this
+ " encountered concurrency issue", e);
- exceptions.add(e);
- }
- }
- }
- };
+ threads[i] = new CheckThreadSafetyThread((i % 2) == 0 ?
Review Comment:
```suggestion
threads[i] = new CheckThreadSafetyThread(((i % 2)) == (0) ?
```
why there is no
[UnnecessaryParentheses](https://checkstyle.sourceforge.io/checks/coding/unnecessaryparentheses.html)
on 0?
now I see, where the problem at. Thanks check.
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