Author: remm
Date: Mon Nov 23 17:23:59 2015
New Revision: 1715897
URL: http://svn.apache.org/viewvc?rev=1715897&view=rev
Log:
Extract Context.bind and unbind to an interface to make the CL bind cleaner for
the upgrade code (including using a PA if needed).
Added:
tomcat/tc8.0.x/trunk/java/org/apache/tomcat/ContextBind.java
- copied unchanged from r1715866,
tomcat/trunk/java/org/apache/tomcat/ContextBind.java
Modified:
tomcat/tc8.0.x/trunk/java/org/apache/catalina/Context.java
tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Request.java
tomcat/tc8.0.x/trunk/java/org/apache/coyote/AbstractProtocol.java
tomcat/tc8.0.x/trunk/java/org/apache/coyote/UpgradeToken.java
tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/Context.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/Context.java?rev=1715897&r1=1715896&r2=1715897&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/Context.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/Context.java Mon Nov 23
17:23:59 2015
@@ -29,6 +29,7 @@ import javax.servlet.ServletSecurityElem
import javax.servlet.descriptor.JspConfigDescriptor;
import org.apache.catalina.deploy.NamingResourcesImpl;
+import org.apache.tomcat.ContextBind;
import org.apache.tomcat.InstanceManager;
import org.apache.tomcat.JarScanner;
import org.apache.tomcat.util.descriptor.web.ApplicationParameter;
@@ -57,7 +58,7 @@ import org.apache.tomcat.util.http.Cooki
*
* @author Craig R. McClanahan
*/
-public interface Context extends Container {
+public interface Context extends Container, ContextBind {
// ----------------------------------------------------- Manifest Constants
@@ -1610,45 +1611,6 @@ public interface Context extends Contain
public Map<String, String> findPreDestroyMethods();
/**
- * Change the current thread context class loader to the web application
- * class loader. If no web application class loader is defined, or if the
- * current thread is already using the web application class loader then no
- * change will be made. If the class loader is changed and a
- * {@link ThreadBindingListener} is configured then
- * {@link ThreadBindingListener#bind()} will be called after the change has
- * been made.
- *
- * @param usePrivilegedAction
- * Should a {@link java.security.PrivilegedAction} be used when
- * obtaining the current thread context class loader and setting
- * the new one?
- * @param originalClassLoader
- * The current class loader if known to save this method having to
- * look it up
- *
- * @return If the class loader has been changed by the method it will
return
- * the thread context class loader in use when the method was
- * called. If no change was made then this method returns null.
- */
- public ClassLoader bind(boolean usePrivilegedAction, ClassLoader
originalClassLoader);
-
- /**
- * Restore the current thread context class loader to the original class
- * loader in used before {@link #bind(boolean, ClassLoader)} was called. If
- * no original class loader is passed to this method then no change will be
- * made. If the class loader is changed and a {@link ThreadBindingListener}
- * is configured then {@link ThreadBindingListener#unbind()} will be called
- * before the change is made.
- *
- * @param usePrivilegedAction
- * Should a {@link java.security.PrivilegedAction} be used when
- * setting the current thread context class loader?
- * @param originalClassLoader
- * The class loader to restore as the thread context class loader
- */
- public void unbind(boolean usePrivilegedAction, ClassLoader
originalClassLoader);
-
- /**
* Obtain the token necessary for operations on the associated JNDI naming
* context.
*/
Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Request.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Request.java?rev=1715897&r1=1715896&r2=1715897&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Request.java
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/connector/Request.java Mon
Nov 23 17:23:59 2015
@@ -1892,7 +1892,7 @@ public class Request
throw new ServletException(e);
}
UpgradeToken upgradeToken = new UpgradeToken(handler,
- getContext().getLoader().getClassLoader(), instanceManager);
+ getContext(), instanceManager);
coyoteRequest.action(ActionCode.UPGRADE, upgradeToken);
Modified: tomcat/tc8.0.x/trunk/java/org/apache/coyote/AbstractProtocol.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/coyote/AbstractProtocol.java?rev=1715897&r1=1715896&r2=1715897&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/coyote/AbstractProtocol.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/coyote/AbstractProtocol.java Mon Nov
23 17:23:59 2015
@@ -702,14 +702,11 @@ public abstract class AbstractProtocol<S
if (upgradeToken.getInstanceManager() == null) {
httpUpgradeHandler.init((WebConnection) processor);
} else {
- Thread thread = Thread.currentThread();
- // Set context class loader environment for user
class call
- ClassLoader originalClassLoader =
thread.getContextClassLoader();
+ ClassLoader oldCL =
upgradeToken.getContextBind().bind(false, null);
try {
-
thread.setContextClassLoader(upgradeToken.getApplicationClassLoader());
httpUpgradeHandler.init((WebConnection)
processor);
} finally {
-
thread.setContextClassLoader(originalClassLoader);
+ upgradeToken.getContextBind().unbind(false,
oldCL);
}
}
}
@@ -764,15 +761,12 @@ public abstract class AbstractProtocol<S
if (instanceManager == null) {
httpUpgradeHandler.destroy();
} else {
- Thread thread = Thread.currentThread();
- // Set context class loader environment for user
class call
- ClassLoader originalClassLoader =
thread.getContextClassLoader();
+ ClassLoader oldCL =
upgradeToken.getContextBind().bind(false, null);
try {
-
thread.setContextClassLoader(upgradeToken.getApplicationClassLoader());
httpUpgradeHandler.destroy();
instanceManager.destroyInstance(httpUpgradeHandler);
} finally {
-
thread.setContextClassLoader(originalClassLoader);
+ upgradeToken.getContextBind().unbind(false,
oldCL);
}
}
} else {
Modified: tomcat/tc8.0.x/trunk/java/org/apache/coyote/UpgradeToken.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/coyote/UpgradeToken.java?rev=1715897&r1=1715896&r2=1715897&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/coyote/UpgradeToken.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/coyote/UpgradeToken.java Mon Nov 23
17:23:59 2015
@@ -19,6 +19,7 @@ package org.apache.coyote;
import javax.servlet.http.HttpUpgradeHandler;
+import org.apache.tomcat.ContextBind;
import org.apache.tomcat.InstanceManager;
/**
@@ -26,19 +27,19 @@ import org.apache.tomcat.InstanceManager
*/
public final class UpgradeToken {
- private final ClassLoader applicationClassLoader;
+ private final ContextBind contextBind;
private final HttpUpgradeHandler httpUpgradeHandler;
private final InstanceManager instanceManager;
public UpgradeToken(HttpUpgradeHandler httpUpgradeHandler,
- ClassLoader applicationClassLoader, InstanceManager
instanceManager) {
- this.applicationClassLoader = applicationClassLoader;
+ ContextBind contextBind, InstanceManager instanceManager) {
+ this.contextBind = contextBind;
this.httpUpgradeHandler = httpUpgradeHandler;
this.instanceManager = instanceManager;
}
- public final ClassLoader getApplicationClassLoader() {
- return applicationClassLoader;
+ public final ContextBind getContextBind() {
+ return contextBind;
}
public final HttpUpgradeHandler getHttpUpgradeHandler() {
Modified: tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml?rev=1715897&r1=1715896&r2=1715897&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Mon Nov 23 17:23:59 2015
@@ -58,6 +58,14 @@
</fix>
</changelog>
</subection>
+ <subsection name="Coyote">
+ <changelog>
+ <fix>
+ Improve upgrade context classloader handling by using Context.bind and
+ unbind. (remm)
+ </fix>
+ </changelog>
+ </subsection>
<subsection name="Cluster">
<changelog>
<fix>
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