@Test
public void testTimerThreadLeak() throws Exception {
Tomcat tomcat = getTomcatInstance();
// No file system docBase required
Context ctx = tomcat.addContext("", null);
if (ctx instanceof StandardContext) {
((StandardContext) ctx).setClearReferencesStopTimerThreads(true);
}
Tomcat.addServlet(ctx, "taskServlet", new TaskServlet());
ctx.addServletMapping("/", "taskServlet");
tomcat.start();
// This will trigger the timer & thread creation
getUrl("http://localhost:" + getPort() + "/");
// Stop the context
ctx.stop();
Thread[] threads = getThreads();
for (Thread thread : threads) {
if (thread != null
&& thread.isAlive()
&& TaskServlet.TIMER_THREAD_NAME.equals(thread.getName())) {
thread.join(5000);
if (thread.isAlive()) {
fail("Timer thread still running");
}
}
}
}
static StandardContext configure(Tomcat tomcat, Props props) {
try {
StandardContext context =
(StandardContext) tomcat.addWebapp(getContextPath(props), webappPath(props));
context.setClearReferencesHttpClientKeepAliveThread(false);
context.setClearReferencesStatic(false);
context.setClearReferencesStopThreads(false);
context.setClearReferencesStopTimerThreads(false);
context.setClearReferencesStopTimerThreads(false);
context.setAntiResourceLocking(false);
context.setReloadable(false);
context.setUseHttpOnly(true);
context.setTldValidation(false);
context.setXmlValidation(false);
context.setXmlNamespaceAware(false);
context.setUseNaming(false);
context.setDelegate(true);
context.setJarScanner(new NullJarScanner());
configureRails(props, context);
for (Map.Entry<Object, Object> entry : props.rawProperties().entrySet()) {
String key = entry.getKey().toString();
context.addParameter(key, entry.getValue().toString());
}
return context;
} catch (Exception e) {
throw new IllegalStateException("Fail to configure webapp", e);
}
}