Author: markt
Date: Tue Oct 19 15:14:04 2010
New Revision: 1024267

URL: http://svn.apache.org/viewvc?rev=1024267&view=rev
Log:
Back-port memory leak prevention from Tomcat 7.0.x

Modified:
    tomcat/tc6.0.x/trunk/   (props changed)
    tomcat/tc6.0.x/trunk/STATUS.txt
    
tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java
    tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/LocalStrings.properties
    tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml
    tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml

Propchange: tomcat/tc6.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Oct 19 15:14:04 2010
@@ -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
 
0809,770876,772872,776921,776924,776935,776945,777464,777466,777576,777625,778379,778523-778524,781528,781779,782145,782791,783316,783696,783724,783756,783762,783766,783863,783934,784453,784602,784614,785381,785688,785768,785859,786468,786487,786490,786496,786667,787627,787770,787985,789389,790405,791041,791184,791194,791224,791243,791326,791328,791789,792740,793372,793757,793882,793981,794082,794673,794822,795043,795152,795210,795457,795466,797168,797425,797596,797607,802727,802940,804462,804544,804734,805153,809131,809603,810916,810977,812125,812137,812432,813001,813013,813866,814180,814708,814876,815972,816252,817442,817822,819339,819361,820110,820132,820874,820954,821397,828196,828201,828210,828225,828759,830378-830379,830999,831106,831774,831785,831828,831850,831860,832214,832218,833121,833545,834047,835036,835336,836405,881396,881412,883130,883134,883146,883165,883177,883362,883565,884341,885038,885231,885241,885260,885901,885991,886019,888072,889363,889606,889716,8901
 
39,890265,890349-890350,890417,891185-891187,891583,892198,892341,892415,892464,892555,892812,892814,892817,892843,892887,893321,893493,894580,894586,894805,894831,895013,895045,895057,895191,895392,895703,896370,896384,897380-897381,897776,898126,898256,898468,898527,898555,898558,898718,898836,898906,899284,899348,899420,899653,899769-899770,899783,899788,899792,899916,899918-899919,899935,899949,903916,905020,905151,905722,905728,905735,907311,907513,907538,907652,907819,907825,907864,908002,908721,908754,908759,909097,909206,909212,909525,909636,909869,909875,909887,910266,910370,910442,910471,910485,910974,915226,915737,915861,916097,916141,916157,916170,917598,917633,918093,918489,918594,918684,918787,918792,918799,918803,918885,919851,919914,920025,920055,920298,920449,920596,920824,920840,921444,922010,926716,927062,927621,928482,928695,928732,928798,931709,932357,932967,935105,935983,939491,939551,940064,941356,941463,944409,944416,945231,945808,945835,945841,946686
 
,948057,950164,950596,950614,950851,950905,951615,953434,954435,955648,955655,956832,957130,957830,958192,960701,963868,964614,966177-966178,966292,966692,981815,991837,993042,1001955,1002185,1002263,1002349,1002359,1002362,1002481,1002514,1003481,1003488,1003556,1003572,1003581,1003861,1005452,1005467,1005647,1022120,1022134
+/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
 
0809,770876,772872,776921,776924,776935,776945,777464,777466,777576,777625,778379,778523-778524,781528,781779,782145,782791,783316,783696,783724,783756,783762,783766,783863,783934,784453,784602,784614,785381,785688,785768,785859,786468,786487,786490,786496,786667,787627,787770,787985,789389,790405,791041,791184,791194,791224,791243,791326,791328,791789,792740,793372,793757,793882,793981,794082,794673,794822,795043,795152,795210,795457,795466,797168,797425,797596,797607,802727,802940,804462,804544,804734,805153,809131,809603,810916,810977,812125,812137,812432,813001,813013,813866,814180,814708,814876,815972,816252,817442,817822,819339,819361,820110,820132,820874,820954,821397,828196,828201,828210,828225,828759,830378-830379,830999,831106,831774,831785,831828,831850,831860,832214,832218,833121,833545,834047,835036,835336,836405,881396,881412,883130,883134,883146,883165,883177,883362,883565,884341,885038,885231,885241,885260,885901,885991,886019,888072,889363,889606,889716,8901
 
39,890265,890349-890350,890417,891185-891187,891583,892198,892341,892415,892464,892555,892812,892814,892817,892843,892887,893321,893493,894580,894586,894805,894831,895013,895045,895057,895191,895392,895703,896370,896384,897380-897381,897776,898126,898256,898468,898527,898555,898558,898718,898836,898906,899284,899348,899420,899653,899769-899770,899783,899788,899792,899916,899918-899919,899935,899949,903916,905020,905151,905722,905728,905735,907311,907513,907538,907652,907819,907825,907864,908002,908721,908754,908759,909097,909206,909212,909525,909636,909869,909875,909887,910266,910370,910442,910471,910485,910974,915226,915737,915861,916097,916141,916157,916170,917598,917633,918093,918489,918594,918684,918787,918792,918799,918803,918885,919851,919914,920025,920055,920298,920449,920596,920824,920840,921444,922010,926716,927062,927621,928482,928695,928732,928798,931709,932357,932967,935105,935983,939491,939551,940064,941356,941463,944409,944416,945231,945808,945835,945841,946686
 
,948057,950164,950596,950614,950851,950905,951615,953434,954435,955648,955655,956832,957130,957830,958192,960701,963868,964614,966177-966178,966292,966692,981815,991837,993042,1001955,1002185,1002263,1002349,1002359,1002362,1002481,1002514,1003481,1003488,1003556,1003572,1003581,1003861,1004868-1004869,1005452,1005467,1005647,1022120,1022134

Modified: tomcat/tc6.0.x/trunk/STATUS.txt
URL: 
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/STATUS.txt?rev=1024267&r1=1024266&r2=1024267&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/STATUS.txt (original)
+++ tomcat/tc6.0.x/trunk/STATUS.txt Tue Oct 19 15:14:04 2010
@@ -203,12 +203,6 @@ PATCHES PROPOSED TO BACKPORT:
    kkolinko: See Re:r1004393 on dev@
     timw: fixed in http://svn.apache.org/viewvc?rev=1004912&view=rev
 
-* Backport all JRE leak prevention listener changes to tc6
-  http://svn.apache.org/viewvc?rev=1004868&view=rev
-  http://svn.apache.org/viewvc?rev=1004869&view=rev
-  +1: kkolinko, markt, kfujino
-  -1:
-
 * Fix path parameter handling. Currently the following URL fails with a 404:
   http://localhost:8080/examples/jsp/snp;x=y/snoop.jsp
   http://people.apache.org/~markt/patches/2010-10-06-path-param-tc6.patch

Modified: 
tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java?rev=1024267&r1=1024266&r2=1024267&view=diff
==============================================================================
--- 
tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java
 (original)
+++ 
tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/JreMemoryLeakPreventionListener.java
 Tue Oct 19 15:14:04 2010
@@ -25,7 +25,6 @@ import java.net.URL;
 import java.net.URLConnection;
 
 import javax.imageio.ImageIO;
-import javax.security.auth.Policy;
 import javax.xml.parsers.DocumentBuilderFactory;
 import javax.xml.parsers.ParserConfigurationException;
 
@@ -50,7 +49,6 @@ import org.apache.tomcat.util.res.String
  * first disabling Jar URL connection caching. The workaround is to disable 
this
  * caching by default. 
  */
-...@suppresswarnings("deprecation")
 public class JreMemoryLeakPreventionListener implements LifecycleListener {
 
     private static final Log log =
@@ -232,10 +230,24 @@ public class JreMemoryLeakPreventionList
              */
             if (securityPolicyProtection) {
                 try {
-                    Policy.getPolicy();
+                    // Policy.getPolicy();
+                    Class<?> policyClass = Class
+                            .forName("javax.security.auth.Policy");
+                    Method method = policyClass.getMethod("getPolicy");
+                    method.invoke(null);
+                } catch(ClassNotFoundException e) {
+                    // Ignore. The class is deprecated.
                 } catch(SecurityException e) {
                     // Ignore. Don't need call to getPolicy() to be successful,
                     // just need to trigger static initializer.
+                } catch (NoSuchMethodException e) {
+                    log.warn(sm.getString("jreLeakListener.authPolicyFail"), 
e);
+                } catch (IllegalArgumentException e) {
+                    log.warn(sm.getString("jreLeakListener.authPolicyFail"), 
e);
+                } catch (IllegalAccessException e) {
+                    log.warn(sm.getString("jreLeakListener.authPolicyFail"), 
e);
+                } catch (InvocationTargetException e) {
+                    log.warn(sm.getString("jreLeakListener.authPolicyFail"), 
e);
                 }
             }
 

Modified: 
tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/LocalStrings.properties
URL: 
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/LocalStrings.properties?rev=1024267&r1=1024266&r2=1024267&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/LocalStrings.properties 
(original)
+++ tomcat/tc6.0.x/trunk/java/org/apache/catalina/core/LocalStrings.properties 
Tue Oct 19 15:14:04 2010
@@ -64,6 +64,7 @@ jreLeakListener.keepAliveFail=Failed to 
 jreLeakListener.gcDaemonFail=Failed to trigger creation of the GC Daemon 
thread during Tomcat start to prevent possible memory leaks. This is expected 
on non-Sun JVMs.
 jreLeakListener.jarUrlConnCacheFail=Failed to disable Jar URL connection 
caching by default
 jreLeakListener.xmlParseFail=Error whilst attempting to prevent memory leaks 
during XML parsing
+jreLeakListener.authPolicyFail=Error whilst attempting to prevent memory leak 
in javax.security.auth.Policy class
 naming.wsdlFailed=Failed to find wsdl file: {0}
 naming.bindFailed=Failed to bind object: {0}
 naming.jmxRegistrationFailed=Failed to register in JMX: {0}

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=1024267&r1=1024266&r2=1024267&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml Tue Oct 19 15:14:04 2010
@@ -124,6 +124,10 @@
       <fix>
         Code clean-up. Avoid some casts in StandardContext. (markt)
       </fix>
+      <add>
+        Add security policy and token poller protection to the JRE memory leak
+        protection provided in Tomcat 6. (markt/kkolinko)
+      </add>
     </changelog>
   </subsection>
   <subsection name="Coyote">

Modified: tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml
URL: 
http://svn.apache.org/viewvc/tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml?rev=1024267&r1=1024266&r2=1024267&view=diff
==============================================================================
--- tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml (original)
+++ tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml Tue Oct 19 15:14:04 
2010
@@ -271,8 +271,8 @@ service:jmx:rmi://&lt;hostname&gt;:10002
       </attribute>
 
       <attribute name="securityPolicyProtection" required="false">
-        <p>Enables protection so that usage of
-        <code>javax.security.auth.Policy</code> by a web application does not
+        <p>Enables protection so that usage of the deprecated
+        <code>javax.security.auth.Policy</code> class by a web application 
does not
         result in a memory leak. The first access of this class will trigger 
the
         static initializer that will retain a static reference to the context
         class loader. The protection calls the <code>getPolicy()</code> method



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