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jtulach pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/netbeans-html4j.git
commit 7b3a10c627b37bb684e8dcbc3e7338cd6c36fa46
Author: Jaroslav Tulach <jaroslav.tul...@apidesign.org>
AuthorDate: Sun Jun 27 17:29:28 2021 +0200
Dump stack after each minute of starvation
---
.../html/presenters/browser/DumpStack.java | 50 ++++++++++++++++++++++
.../html/presenters/browser/ServerFactories.java | 4 ++
.../html/presenters/spi/test/DumpStack.java | 50 ++++++++++++++++++++++
.../html/presenters/spi/test/GenericTest.java | 4 ++
4 files changed, 108 insertions(+)
diff --git
a/browser/src/test/java/org/netbeans/html/presenters/browser/DumpStack.java
b/browser/src/test/java/org/netbeans/html/presenters/browser/DumpStack.java
new file mode 100644
index 0000000..d908dbc
--- /dev/null
+++ b/browser/src/test/java/org/netbeans/html/presenters/browser/DumpStack.java
@@ -0,0 +1,50 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF 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.netbeans.html.presenters.browser;
+
+import java.util.Map;
+import java.util.Timer;
+import java.util.TimerTask;
+
+final class DumpStack extends TimerTask {
+
+ private static final Timer TIMER = new Timer("Dump Stack Watchdog");
+ private final long created = System.currentTimeMillis();
+
+ @Override
+ public void run() {
+ StringBuilder sb = new StringBuilder();
+ long after = (System.currentTimeMillis() - created) / 1000;
+ sb.append("Thread dump after ").append(after).append(" s from
start:\n");
+ for (Map.Entry<Thread, StackTraceElement[]> info :
Thread.getAllStackTraces().entrySet()) {
+ sb.append(info.getKey().getName()).append("\n");
+ for (StackTraceElement e : info.getValue()) {
+ sb.append(" ").append(e.getClassName()).append(".").
+
append(e.getMethodName()).append("(").append(e.getFileName()).
+ append(":").append(e.getLineNumber()).append(")\n");
+ }
+ }
+ System.err.println(sb.toString());
+ }
+
+ public static void initialize() {
+ final int minute = 60000;
+ TIMER.schedule(new DumpStack(), minute, 2 * minute);
+ }
+}
diff --git
a/browser/src/test/java/org/netbeans/html/presenters/browser/ServerFactories.java
b/browser/src/test/java/org/netbeans/html/presenters/browser/ServerFactories.java
index c9233cd..a9997ba 100644
---
a/browser/src/test/java/org/netbeans/html/presenters/browser/ServerFactories.java
+++
b/browser/src/test/java/org/netbeans/html/presenters/browser/ServerFactories.java
@@ -35,6 +35,10 @@ public final class ServerFactories {
private ServerFactories() {
}
+ static {
+ DumpStack.initialize();
+ }
+
@DataProvider(name = "serverFactories")
public static Object[][] serverFactories() {
Supplier<HttpServer<?,?,?,?>> grizzly = GrizzlyServer::new;
diff --git
a/generic/src/test/java/org/netbeans/html/presenters/spi/test/DumpStack.java
b/generic/src/test/java/org/netbeans/html/presenters/spi/test/DumpStack.java
new file mode 100644
index 0000000..3f31f2b
--- /dev/null
+++ b/generic/src/test/java/org/netbeans/html/presenters/spi/test/DumpStack.java
@@ -0,0 +1,50 @@
+/**
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements. See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership. The ASF 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.netbeans.html.presenters.spi.test;
+
+import java.util.Map;
+import java.util.Timer;
+import java.util.TimerTask;
+
+final class DumpStack extends TimerTask {
+
+ private static final Timer TIMER = new Timer("Dump Stack Watchdog");
+ private final long created = System.currentTimeMillis();
+
+ @Override
+ public void run() {
+ StringBuilder sb = new StringBuilder();
+ long after = (System.currentTimeMillis() - created) / 1000;
+ sb.append("Thread dump after ").append(after).append(" s from
start:\n");
+ for (Map.Entry<Thread, StackTraceElement[]> info :
Thread.getAllStackTraces().entrySet()) {
+ sb.append(info.getKey().getName()).append("\n");
+ for (StackTraceElement e : info.getValue()) {
+ sb.append(" ").append(e.getClassName()).append(".").
+
append(e.getMethodName()).append("(").append(e.getFileName()).
+ append(":").append(e.getLineNumber()).append(")\n");
+ }
+ }
+ System.err.println(sb.toString());
+ }
+
+ public static void initialize() {
+ final int minute = 60000;
+ TIMER.schedule(new DumpStack(), minute, 2 * minute);
+ }
+}
diff --git
a/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
b/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
index 668d127..f9aae5b 100644
---
a/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
+++
b/generic/src/test/java/org/netbeans/html/presenters/spi/test/GenericTest.java
@@ -34,6 +34,10 @@ public class GenericTest {
public GenericTest() {
}
+ static {
+ DumpStack.initialize();
+ }
+
@Factory public static Object[] compatibilityTests() throws Exception {
return createTests(new Testing());
}
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