Author: markt
Date: Mon Jul 29 21:03:22 2013
New Revision: 1508200
URL: http://svn.apache.org/r1508200
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55309
Fix concurrency issue in TagPluginManager
PageInfo should not be a field as it is per page and there will be conflicts
with concurrent compilations.
Patch provided by Sheldon Shao.
Modified:
tomcat/tc7.0.x/trunk/ (props changed)
tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TagPluginManager.java
tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
Merged /tomcat/trunk:r1508196
Modified:
tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TagPluginManager.java
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TagPluginManager.java?rev=1508200&r1=1508199&r2=1508200&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TagPluginManager.java
(original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/jasper/compiler/TagPluginManager.java
Mon Jul 29 21:03:22 2013
@@ -5,9 +5,9 @@
* 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.
@@ -45,7 +45,6 @@ public class TagPluginManager {
private boolean initialized = false;
private HashMap<String, TagPlugin> tagPlugins = null;
private ServletContext ctxt;
- private PageInfo pageInfo;
public TagPluginManager(ServletContext ctxt) {
this.ctxt = ctxt;
@@ -59,19 +58,9 @@ public class TagPluginManager {
return;
}
- this.pageInfo = pageInfo;
-
- page.visit(new Node.Visitor() {
- @Override
- public void visit(Node.CustomTag n)
- throws JasperException {
- invokePlugin(n);
- visitBody(n);
- }
- });
-
+ page.visit(new NodeVisitor(this, pageInfo));
}
-
+
private void init(ErrorDispatcher err) throws JasperException {
if (initialized)
return;
@@ -175,12 +164,12 @@ public class TagPluginManager {
}
/**
- * Invoke tag plugin for the given custom tag, if a plugin exists for
+ * Invoke tag plugin for the given custom tag, if a plugin exists for
* the custom tag's tag handler.
*
* The given custom tag node will be manipulated by the plugin.
*/
- private void invokePlugin(Node.CustomTag n) {
+ private void invokePlugin(Node.CustomTag n, PageInfo pageInfo) {
TagPlugin tagPlugin = tagPlugins.get(n.getTagHandlerClass().getName());
if (tagPlugin == null) {
return;
@@ -191,8 +180,24 @@ public class TagPluginManager {
tagPlugin.doTag(tagPluginContext);
}
- static class TagPluginContextImpl implements TagPluginContext {
- private Node.CustomTag node;
+ private static class NodeVisitor extends Node.Visitor {
+ private TagPluginManager manager;
+ private PageInfo pageInfo;
+
+ public NodeVisitor(TagPluginManager manager, PageInfo pageInfo) {
+ this.manager = manager;
+ this.pageInfo = pageInfo;
+ }
+
+ @Override
+ public void visit(Node.CustomTag n) throws JasperException {
+ manager.invokePlugin(n, pageInfo);
+ visitBody(n);
+ }
+ }
+
+ private static class TagPluginContextImpl implements TagPluginContext {
+ private final Node.CustomTag node;
private Node.Nodes curNodes;
private PageInfo pageInfo;
private HashMap<String, Object> pluginAttributes;
@@ -291,7 +296,7 @@ public class TagPluginManager {
@Override
public void generateBody() {
- // Since we'll generate the body anyway, this is really a nop,
+ // Since we'll generate the body anyway, this is really a nop,
// except for the fact that it lets us put the Java sources the
// plugins produce in the correct order (w.r.t the body).
curNodes = node.getAtETag();
Modified: tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml?rev=1508200&r1=1508199&r2=1508200&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc7.0.x/trunk/webapps/docs/changelog.xml Mon Jul 29 21:03:22 2013
@@ -152,6 +152,10 @@
will return a result when the property cannot be coerced into an
integer. (violetagg)
</fix>
+ <fix>
+ <bug>55309</bug>: Fix concurrency issue with JSP compilation and the
+ tag plug-in manager. Patch provided by Sheldon Shao. (markt)
+ </fix>
</changelog>
</subsection>
<subsection name="Cluster">
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