ClassLoader
From Resin 3.0
(Difference between revisions)
| (2 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
| + | {{Cleanup}} | ||
[[Category:Environment]] | [[Category:Environment]] | ||
| Line 12: | Line 13: | ||
<%@ page import="com.caucho.loader.*, java.util.*" %> | <%@ page import="com.caucho.loader.*, java.util.*" %> | ||
| − | + | <ol> | |
<% | <% | ||
LinkedList loaders = new LinkedList(); | LinkedList loaders = new LinkedList(); | ||
| Line 28: | Line 29: | ||
loader = (ClassLoader) iter.next(); | loader = (ClassLoader) iter.next(); | ||
| − | out.print(" | + | out.print("<li>"); |
| − | out. | + | out.print(loader.toString()); |
| + | out.print(" System.identityHashCode()="); | ||
| + | out.println(System.identityHashCode(loader)); | ||
if (loader instanceof DynamicClassLoader) { | if (loader instanceof DynamicClassLoader) { | ||
| − | out.print(" | + | out.print("<ul>"); |
DynamicClassLoader dynamicClassLoader = (DynamicClassLoader) loader; | DynamicClassLoader dynamicClassLoader = (DynamicClassLoader) loader; | ||
| Line 39: | Line 42: | ||
String pathSeparator = "" + java.io.File.pathSeparatorChar; | String pathSeparator = "" + java.io.File.pathSeparatorChar; | ||
| − | classPath = " | + | classPath = "<li>" + classPath.replace(pathSeparator, "\n</li><li>") + "</li>"; |
out.println(classPath); | out.println(classPath); | ||
| − | out.print(" | + | out.print("</ul>"); |
} | } | ||
} | } | ||
%> | %> | ||
</ol> | </ol> | ||
Latest revision as of 15:48, 2 December 2011
|
This article requires cleanup and may refer to a legacy version of Resin.
Please visit http://www.caucho.com/documentation/ for the most up-to-date documentation. |
See Also
class-loader describes ClassLoader configuration
Show the classpath/classloaders for the web-app
The following jsp will reveal the classpath that is in effect for your web-app (but not if you are using the servlet-hack):
<%@ page import="com.caucho.loader.*, java.util.*" %>
<ol>
<%
LinkedList loaders = new LinkedList();
ClassLoader loader = Thread.currentThread().getContextClassLoader();
while (loader != null) {
loaders.addFirst(loader);
loader = loader.getParent();
}
Iterator iter = loaders.iterator();
while (iter.hasNext()) {
loader = (ClassLoader) iter.next();
out.print("<li>");
out.print(loader.toString());
out.print(" System.identityHashCode()=");
out.println(System.identityHashCode(loader));
if (loader instanceof DynamicClassLoader) {
out.print("<ul>");
DynamicClassLoader dynamicClassLoader = (DynamicClassLoader) loader;
String classPath = dynamicClassLoader.getLocalClassPath();
String pathSeparator = "" + java.io.File.pathSeparatorChar;
classPath = "<li>" + classPath.replace(pathSeparator, "\n</li><li>") + "</li>";
out.println(classPath);
out.print("</ul>");
}
}
%>
</ol>
