本文整理汇总了Java中org.apache.catalina.loader.WebappClassLoaderBase类的典型用法代码示例。如果您正苦于以下问题：Java WebappClassLoaderBase类的具体用法？Java WebappClassLoaderBase怎么用？Java WebappClassLoaderBase使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
WebappClassLoaderBase类属于org.apache.catalina.loader包，在下文中一共展示了WebappClassLoaderBase类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: findReloadedContextMemoryLeaks
import org.apache.catalina.loader.WebappClassLoaderBase; //导入依赖的package包/类
/**
* Attempt to identify the contexts that have a class loader memory leak.
* This is usually triggered on context reload. Note: This method attempts
* to force a full garbage collection. This should be used with extreme
* caution on a production system.
*/
public String[] findReloadedContextMemoryLeaks() {
System.gc();
List<String> result = new ArrayList<String>();
for (Map.Entry<ClassLoader, String> entry :
childClassLoaders.entrySet()) {
ClassLoader cl = entry.getKey();
if (cl instanceof WebappClassLoaderBase) {
if (!((WebappClassLoaderBase) cl).isStarted()) {
result.add(entry.getValue());
}
}
}
return result.toArray(new String[result.size()]);
}
示例2: doGet
import org.apache.catalina.loader.WebappClassLoaderBase; //导入依赖的package包/类
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
ClassLoader system = ClassLoader.getSystemClassLoader();
ClassLoader cl = Thread.currentThread().getContextClassLoader();
while (cl != null) {
if (system == cl) {
out.print("SYSTEM,");
} else if (custom == cl) {
out.print("CUSTOM,");
} else if (cl instanceof WebappClassLoaderBase) {
out.print("WEBAPP,");
} else {
out.print("OTHER,");
}
cl = cl.getParent();
}
}
示例3: findReloadedContextMemoryLeaks
import org.apache.catalina.loader.WebappClassLoaderBase; //导入依赖的package包/类
/**
* Attempt to identify the contexts that have a class loader memory leak.
* This is usually triggered on context reload. Note: This method attempts
* to force a full garbage collection. This should be used with extreme
* caution on a production system.
*/
public String[] findReloadedContextMemoryLeaks() {
System.gc();
List<String> result = new ArrayList<String>();
for (Map.Entry<ClassLoader, String> entry : childClassLoaders.entrySet()) {
ClassLoader cl = entry.getKey();
if (cl instanceof WebappClassLoaderBase) {
if (!((WebappClassLoaderBase) cl).isStarted()) {
result.add(entry.getValue());
}
}
}
return result.toArray(new String[result.size()]);
}
示例4: checkForRequestThreads
import org.apache.catalina.loader.WebappClassLoaderBase; //导入依赖的package包/类
private void checkForRequestThreads(WebappLoader webappLoader) throws Exception {
Method getThreadsMethod = WebappClassLoaderBase.class.getDeclaredMethod("getThreads");
getThreadsMethod.setAccessible(true);
Method isRequestThreadMethod =
WebappClassLoaderBase.class.getDeclaredMethod("isRequestThread", Thread.class);
isRequestThreadMethod.setAccessible(true);
ClassLoader webappClassLoader = webappLoader.getClassLoader();
Thread[] threads = (Thread[]) getThreadsMethod.invoke(webappClassLoader);
for (Thread thread : threads) {
if (thread == null) {
continue;
}
if ((boolean) isRequestThreadMethod.invoke(webappClassLoader, thread)) {
StringBuilder sb = new StringBuilder();
for (StackTraceElement element : thread.getStackTrace()) {
sb.append(element);
sb.append('\n');
}
logger.error("tomcat request thread \"{}\" is still active:\n{}", thread.getName(),
sb);
}
}
}
示例5: checkForRequestThreads
import org.apache.catalina.loader.WebappClassLoaderBase; //导入依赖的package包/类
private void checkForRequestThreads(WebappLoader webappLoader) throws Exception {
Method getThreadsMethod = WebappClassLoaderBase.class.getDeclaredMethod("getThreads");
getThreadsMethod.setAccessible(true);
Method isRequestThreadMethod =
WebappClassLoaderBase.class.getDeclaredMethod("isRequestThread", Thread.class);
isRequestThreadMethod.setAccessible(true);
ClassLoader webappClassLoader = webappLoader.getClassLoader();
Thread[] threads = (Thread[]) getThreadsMethod.invoke(webappClassLoader);
for (Thread thread : threads) {
if (thread == null) {
continue;
}
if ((Boolean) isRequestThreadMethod.invoke(webappClassLoader, thread)) {
StringBuilder sb = new StringBuilder();
for (StackTraceElement element : thread.getStackTrace()) {
sb.append(element);
sb.append('\n');
}
logger.error("tomcat request thread \"{}\" is still active:\n{}", thread.getName(),
sb);
}
}
}