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Posted to dev@tomcat.apache.org by ma...@apache.org on 2011/06/29 01:22:28 UTC
svn commit: r1140903 - in /tomcat/tc6.0.x/trunk: ./ STATUS.txt
java/org/apache/jasper/compiler/Generator.java webapps/docs/changelog.xml
webapps/docs/config/systemprops.xml
Author: markt
Date: Tue Jun 28 23:22:27 2011
New Revision: 1140903
URL: http://svn.apache.org/viewvc?rev=1140903&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=51220
Add a system property to enable tag pooling with JSPs that use a custom base class.
Based on a patch by Dan Mikusa.
Modified:
tomcat/tc6.0.x/trunk/ (props changed)
tomcat/tc6.0.x/trunk/STATUS.txt
tomcat/tc6.0.x/trunk/java/org/apache/jasper/compiler/Generator.java
tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml
tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml
Propchange: tomcat/tc6.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Jun 28 23:22:27 2011
@@ -1 +1 @@
-/tomcat/trunk:601180,606992,612607,630314,640888,652744,653247,666232,673796,673820,677910,683969,683982,684001,684081,684234,684269-684270,685177,687503,687645,689402,690781,691392,691805,692748,693378,694992,695053,695311,696780,696782,698012,698227,698236,698613,699427,699634,701355,709294,709811,709816,710063,710066,710125,710205,711126,711600,712461,712467,713953,714002,718360,719119,719124,719602,719626,719628,720046,720069,721040,721286,721708,721886,723404,723738,726052,727303,728032,728768,728947,729057,729567,729569,729571,729681,729809,729815,729934,730250,730590,731651,732859,732863,734734,740675,740684,742677,742697,742714,744160,744238,746321,746384,746425,747834,747863,748344,750258,750291,750921,751286-751287,751289,751295,752323,753039,757335,757774,758249,758365,758596,758616,758664,759074,761601,762868,762929,762936-762937,763166,763183,763193,763228,763262,763298,763302,763325,763599,763611,763654,763681,763706,764985,764997,765662,768335,769979,770716,77
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,1100822,1101094,1101144,1130774
+/tomcat/trunk:601180,606992,612607,630314,640888,652744,653247,666232,673796,673820,677910,683969,683982,684001,684081,684234,684269-684270,685177,687503,687645,689402,690781,691392,691805,692748,693378,694992,695053,695311,696780,696782,698012,698227,698236,698613,699427,699634,701355,709294,709811,709816,710063,710066,710125,710205,711126,711600,712461,712467,713953,714002,718360,719119,719124,719602,719626,719628,720046,720069,721040,721286,721708,721886,723404,723738,726052,727303,728032,728768,728947,729057,729567,729569,729571,729681,729809,729815,729934,730250,730590,731651,732859,732863,734734,740675,740684,742677,742697,742714,744160,744238,746321,746384,746425,747834,747863,748344,750258,750291,750921,751286-751287,751289,751295,752323,753039,757335,757774,758249,758365,758596,758616,758664,759074,761601,762868,762929,762936-762937,763166,763183,763193,763228,763262,763298,763302,763325,763599,763611,763654,763681,763706,764985,764997,765662,768335,769979,770716,77
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,1100822,1101094,1101144,1124680,1130774
Modified: tomcat/tc6.0.x/trunk/STATUS.txt
URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/STATUS.txt?rev=1140903&r1=1140902&r2=1140903&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/STATUS.txt (original)
+++ tomcat/tc6.0.x/trunk/STATUS.txt Tue Jun 28 23:22:27 2011
@@ -134,15 +134,6 @@ PATCHES PROPOSED TO BACKPORT:
- getStuckThreadIds() returns a list of ids. It might be useful to
have a similar method that returns Thread.getName() names.
-* Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=51220
- Add a system property to enable tag pooling with JSPs that use a custom base
- class.
- Based on a patch by Dan Mikusa.
- http://svn.apache.org/viewvc?rev=1124680&view=rev
- http://svn.apache.org/viewvc?rev=1124757&view=rev (fixes copy/paste error)
- +1: markt, rjung, schultz
- -1:
-
* https://issues.apache.org/bugzilla/show_bug.cgi?id=51403
Avoid NPE in JULI FileHandler if formatter is misconfigured
http://svn.apache.org/viewvc?rev=1137996&view=rev
Modified: tomcat/tc6.0.x/trunk/java/org/apache/jasper/compiler/Generator.java
URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/jasper/compiler/Generator.java?rev=1140903&r1=1140902&r2=1140903&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/java/org/apache/jasper/compiler/Generator.java (original)
+++ tomcat/tc6.0.x/trunk/java/org/apache/jasper/compiler/Generator.java Tue Jun 28 23:22:27 2011
@@ -77,6 +77,8 @@ class Generator {
System.getProperty("org.apache.jasper.compiler.Generator.VAR_EXPRESSIONFACTORY", "_el_expressionfactory");
private static final String VAR_ANNOTATIONPROCESSOR =
System.getProperty("org.apache.jasper.compiler.Generator.VAR_ANNOTATIONPROCESSOR", "_jsp_annotationprocessor");
+ private static final boolean POOL_TAGS_WITH_EXTENDS =
+ Boolean.getBoolean("org.apache.jasper.compiler.Generator.VAR_EXPRESSIONFACTORY");
/* System property that controls if the requirement to have the object
* used in jsp:getProperty action to be previously "introduced"
@@ -3405,7 +3407,7 @@ class Generator {
* clarify whether containers can override init() and destroy(). For
* now, we just disable tag pooling for pages that use "extends".
*/
- if (pageInfo.getExtends(false) == null) {
+ if (pageInfo.getExtends(false) == null || POOL_TAGS_WITH_EXTENDS) {
isPoolingEnabled = ctxt.getOptions().isPoolingEnabled();
} else {
isPoolingEnabled = false;
Modified: tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml
URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml?rev=1140903&r1=1140902&r2=1140903&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml Tue Jun 28 23:22:27 2011
@@ -189,6 +189,10 @@
Correct possible threading issue in JSP compilation when development
mode is used. (markt)
</fix>
+ <add>
+ <bug>51220</bug>: Add a system property to enable tag pooling with JSPs
+ that use a custom base class. Based on a patch by Dan Mikusa. (markt)
+ </add>
</changelog>
</subsection>
<subsection name="Cluster">
Modified: tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml
URL: http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml?rev=1140903&r1=1140902&r2=1140903&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/config/systemprops.xml Tue Jun 28 23:22:27 2011
@@ -87,6 +87,20 @@
<section name="Jasper">
<properties>
+ <property name="org.apache.jasper.compiler. Generator.POOL_TAGS_WITH_EXTENDS">
+ <p>By default, JSPs that use their own base class via the extends
+ attribute of the page directive, will have Tag pooling disabled since
+ Jasper cannot guarantee that the necessary initialisation will have taken
+ place. This can have a negative impact on performance. Providing the
+ alternative base class calls _jspInit() from Servlet.init(), setting this
+ property to <code>true</code> will enable pooling with an alternative base
+ class. If the alternative base class does not call _jspInit() and this
+ property is <code>true</code>, NPEs will occur when attempting to use
+ tags.</p>
+ <p>If not specified, the default value of <code>false</code> will be used.
+ </p>
+ </property>
+
<property name="org.apache.jasper.compiler. Generator.VAR_EXPRESSIONFACTORY">
<p>The name of the variable to use for the expression language expression
factory.</p>
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