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Dump stack traces of all threads on test failure due to AssertionError 

Closes #12425
This commit is contained in:
Jason Tedor 2015-07-23 11:25:58 -04:00
parent 18079168e4
commit 878301c795
3 changed files with 104 additions and 39 deletions
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43
core/src/test/java/org/elasticsearch/test/ElasticsearchTestCase.java
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@ -54,6 +54,7 @@ import org.elasticsearch.env.Environment;
import org.elasticsearch.env.NodeEnvironment;
import org.elasticsearch.test.cache.recycler.MockBigArrays;
import org.elasticsearch.test.cache.recycler.MockPageCacheRecycler;
import org.elasticsearch.test.junit.listeners.AssertionErrorThreadDumpPrinter;
import org.elasticsearch.test.junit.listeners.LoggingListener;
import org.elasticsearch.test.junit.listeners.ReproduceInfoPrinter;
import org.elasticsearch.test.search.MockSearchService;
@ -78,7 +79,8 @@ import static com.google.common.collect.Lists.newArrayList;
*/
@Listeners({
ReproduceInfoPrinter.class,
LoggingListener.class
LoggingListener.class,
AssertionErrorThreadDumpPrinter.class
})
// remove this entire annotation on upgrade to 5.3!
@ThreadLeakFilters(defaultFilters = true, filters = {
@ -550,44 +552,7 @@ public abstract class ElasticsearchTestCase extends LuceneTestCase {
protected static final void printStackDump(ESLogger logger) {
// print stack traces if we can't create any native thread anymore
Map<Thread, StackTraceElement[]> allStackTraces = Thread.getAllStackTraces();
logger.error(formatThreadStacks(allStackTraces));
}
/** Dump threads and their current stack trace. */
private static String formatThreadStacks(Map<Thread, StackTraceElement[]> threads) {
StringBuilder message = new StringBuilder();
int cnt = 1;
final Formatter f = new Formatter(message, Locale.ENGLISH);
for (Map.Entry<Thread, StackTraceElement[]> e : threads.entrySet()) {
if (e.getKey().isAlive()) {
f.format(Locale.ENGLISH, "\n %2d) %s", cnt++, threadName(e.getKey())).flush();
}
if (e.getValue().length == 0) {
message.append("\n at (empty stack)");
} else {
for (StackTraceElement ste : e.getValue()) {
message.append("\n at ").append(ste);
}
}
}
return message.toString();
}
private static String threadName(Thread t) {
return "Thread[" +
"id=" + t.getId() +
", name=" + t.getName() +
", state=" + t.getState() +
", group=" + groupName(t.getThreadGroup()) +
"]";
}
private static String groupName(ThreadGroup threadGroup) {
if (threadGroup == null) {
return "{null group}";
} else {
return threadGroup.getName();
}
logger.error(StackTraces.formatThreadStacks(allStackTraces));
}
/**

63
core/src/test/java/org/elasticsearch/test/StackTraces.java Normal file
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@ -0,0 +1,63 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.test;
import java.util.Formatter;
import java.util.Locale;
import java.util.Map;
public class StackTraces {
/** Dump threads and their current stack trace. */
public static String formatThreadStacks(Map<Thread, StackTraceElement[]> threads) {
StringBuilder message = new StringBuilder();
int cnt = 1;
final Formatter f = new Formatter(message, Locale.ENGLISH);
for (Map.Entry<Thread, StackTraceElement[]> e : threads.entrySet()) {
if (e.getKey().isAlive()) {
f.format(Locale.ENGLISH, "\n %2d) %s", cnt++, threadName(e.getKey())).flush();
}
if (e.getValue().length == 0) {
message.append("\n at (empty stack)");
} else {
for (StackTraceElement ste : e.getValue()) {
message.append("\n at ").append(ste);
}
}
}
return message.toString();
}
private static String groupName(ThreadGroup threadGroup) {
if (threadGroup == null) {
return "{null group}";
} else {
return threadGroup.getName();
}
}
private static String threadName(Thread t) {
return "Thread[" +
"id=" + t.getId() +
", name=" + t.getName() +
", state=" + t.getState() +
", group=" + groupName(t.getThreadGroup()) +
"]";
}
}

37
core/src/test/java/org/elasticsearch/test/junit/listeners/AssertionErrorThreadDumpPrinter.java Normal file
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@ -0,0 +1,37 @@
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you under
* the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package org.elasticsearch.test.junit.listeners;
import org.elasticsearch.test.StackTraces;
import org.junit.runner.notification.Failure;
import org.junit.runner.notification.RunListener;
import java.util.Map;
public class AssertionErrorThreadDumpPrinter extends RunListener {
@Override
public void testFailure(Failure failure) throws Exception {
if (failure.getException() instanceof AssertionError) {
Map<Thread, StackTraceElement[]> allStackTraces = Thread.getAllStackTraces();
String threadStacks = StackTraces.formatThreadStacks(allStackTraces);
System.err.println(threadStacks);
}
}
}