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NO-JIRA Making ThreadLeakCheckRule less verbose

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This commit is contained in:
Clebert Suconic 2023-07-25 05:59:18 -04:00
parent 145e4be6d5
commit 8f1c0ad66f
1 changed files with 32 additions and 20 deletions
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52
artemis-unit-test-support/src/main/java/org/apache/activemq/artemis/utils/ThreadLeakCheckRule.java
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@ -16,6 +16,8 @@
*/
package org.apache.activemq.artemis.utils;
import java.io.PrintWriter;
import java.io.StringWriter;
import java.lang.ref.Reference;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
@ -88,16 +90,22 @@ public class ThreadLeakCheckRule extends TestWatcher {
}
try {
if (enabled) {
boolean failed = true;
String failedThread = null;
boolean failedOnce = false;
// if the test failed.. there's no point on waiting a full minute.. we will report it once and go
long timeout = System.currentTimeMillis() + (testFailed ? 30000 : 60000);
while (failed && timeout > System.currentTimeMillis()) {
failed = checkThread();
int retryNr = 0;
if (failed) {
// if the test failed.. there's no point on waiting a full minute.. we will report it once and go
long timeout = System.currentTimeMillis() + (testFailed ? 0 : 60000);
do {
failedThread = checkThread();
if (failedThread != null) {
retryNr++;
if (!failedOnce) {
logger.warn("There are threads failing. ThreadLeakCheckRule will retry for {} milliseconds", timeout);
}
failedOnce = true;
forceGC();
try {
@ -106,21 +114,20 @@ public class ThreadLeakCheckRule extends TestWatcher {
}
}
}
while (failedThread != null && timeout > System.currentTimeMillis());
if (failed) {
if (failedThread != null) {
logger.warn("There are leaked threads: \n{}", failedThread);
if (!testFailed) {
//we only fail on thread leak if test passes.
Assert.fail("Thread leaked");
} else {
System.out.println("***********************************************************************");
System.out.println(" The test failed and there is a leak");
System.out.println("***********************************************************************");
logger.warn("The test failed and there is a leak", failure);
failure.printStackTrace();
Assert.fail("Test " + testDescription + " Failed with a leak - " + failure.getMessage());
}
} else if (failedOnce) {
System.out.println("******************** Threads cleared after retries ********************");
System.out.println();
logger.info("Threads were cleared after {}", retryNr);
}
} else {
@ -193,9 +200,13 @@ public class ThreadLeakCheckRule extends TestWatcher {
knownThreads.add(name);
}
private boolean checkThread() {
private String checkThread() {
boolean failedThread = false;
StringWriter stringWriter = new StringWriter();
PrintWriter writer = new PrintWriter(stringWriter);
Map<Thread, StackTraceElement[]> postThreads = Thread.getAllStackTraces();
if (postThreads != null && previousThreads != null && postThreads.size() > previousThreads.size()) {
@ -203,26 +214,27 @@ public class ThreadLeakCheckRule extends TestWatcher {
for (Thread aliveThread : postThreads.keySet()) {
if (aliveThread.isAlive() && !isExpectedThread(aliveThread) && !previousThreads.containsKey(aliveThread)) {
if (!failedThread) {
System.out.println("*********************************************************************************");
System.out.println("LEAKING THREADS");
writer.println("*********************************************************************************");
writer.println("LEAKING THREADS");
}
failedThread = true;
System.out.println("=============================================================================");
System.out.println("Thread " + aliveThread + " is still alive with the following stackTrace:");
writer.println("=============================================================================");
writer.println("Thread " + aliveThread + " is still alive with the following stackTrace:");
StackTraceElement[] elements = postThreads.get(aliveThread);
for (StackTraceElement el : elements) {
System.out.println(el);
writer.println(el);
}
aliveThread.interrupt();
}
}
if (failedThread) {
System.out.println("*********************************************************************************");
writer.println("*********************************************************************************");
return stringWriter.toString();
}
}
return failedThread;
return null;
}
/**