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From ma...@apache.org
Subject svn commit: r1684589 - in /tomcat/tc8.0.x/trunk: ./ java/org/apache/catalina/loader/WebappClassLoaderBase.java webapps/docs/changelog.xml
Date Wed, 10 Jun 2015 08:00:19 GMT
Author: markt
Date: Wed Jun 10 08:00:18 2015
New Revision: 1684589

URL: http://svn.apache.org/r1684589
Log:
Delegate and filter() should be used consistently everywhere delegation is possible to ensure
consistent behaviour of the class loader.

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
    tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Wed Jun 10 08:00:18 2015
@@ -1 +1 @@
-/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
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+/tomcat/trunk:1636524,1637156,1637176,1637188,1637331,1637684,1637695,1638720-1638725,1639653,1640010,1640083-1640084,1640088,1640275,1640322,1640347,1640361,1640365,1640403,1640410,1640652,1640655-1640658,1640688,1640700-1640883,1640903,1640976,1640978,1641000,1641026,1641038-1641039,1641051-1641052,1641058,1641064,1641300,1641369,1641374,1641380,1641486,1641634,1641656-1641692,1641704,1641707-1641718,1641720-1641722,1641735,1641981,1642233,1642280,1642554,1642564,1642595,1642606,1642668,1642679,1642697,1642699,1642766,1643002,1643045,1643054-1643055,1643066,1643121,1643128,1643206,1643209-1643210,1643216,1643249,1643270,1643283,1643309-1643310,1643323,1643365-1643366,1643370-1643371,1643465,1643474,1643536,1643570,1643634,1643649,1643651,1643654,1643675,1643731,1643733-1643734,1643761,1643766,1643814,1643937,1643963,1644017,1644169,1644201-1644203,1644321,1644323,1644516,1644523,1644529,1644535,1644730,1644768,1644784-1644785,1644790,1644793,1644815,1644884,1644886,1644890,1644892
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Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
URL: http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java?rev=1684589&r1=1684588&r2=1684589&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java Wed Jun
10 08:00:18 2015
@@ -189,10 +189,10 @@ public abstract class WebappClassLoaderB
      * from a webapp class loader without delegating first.
      */
     protected final Matcher packageTriggersDeny = Pattern.compile(
-            "^javax\\.el\\.|" +
-            "^javax\\.servlet\\.|" +
-            "^javax\\.websocket\\.|" +
-            "^org\\.apache\\.(catalina|coyote|el|jasper|juli|naming|tomcat)\\."
+            "^javax(\\.|/)el(\\.|/)|" +
+            "^javax(\\.|/)servlet(\\.|/)|" +
+            "^javax(\\.|/)websocket(\\.|/)|" +
+            "^org(\\.|/)apache(\\.|/)(catalina|coyote|el|jasper|juli|naming|tomcat)(\\.|/)"
             ).matcher("");
 
 
@@ -202,8 +202,8 @@ public abstract class WebappClassLoaderB
      * {@link #packageTriggersDeny}.
      */
     protected final Matcher packageTriggersPermit =
-            Pattern.compile("^javax\\.servlet\\.jsp\\.jstl\\.|" +
-                    "^org\\.apache\\.tomcat\\.jdbc\\.").matcher("");
+            Pattern.compile("^javax(\\.|/)servlet(\\.|/)jsp(\\.|/)jstl(\\.|/)|" +
+                    "^org(\\.|/)apache(\\.|/)tomcat(\\.|/)jdbc(\\.|/)").matcher("");
 
 
     /**
@@ -1025,8 +1025,10 @@ public abstract class WebappClassLoaderB
 
         URL url = null;
 
+        boolean delegateFirst = delegate || filter(name);
+
         // (1) Delegate to parent if requested
-        if (delegate) {
+        if (delegateFirst) {
             if (log.isDebugEnabled())
                 log.debug("  Delegating to parent classloader " + parent);
             url = parent.getResource(name);
@@ -1046,7 +1048,7 @@ public abstract class WebappClassLoaderB
         }
 
         // (3) Delegate to parent unconditionally if not already attempted
-        if( !delegate ) {
+        if (!delegateFirst) {
             url = parent.getResource(name);
             if (url != null) {
                 if (log.isDebugEnabled())
@@ -1090,8 +1092,10 @@ public abstract class WebappClassLoaderB
             return (stream);
         }
 
+        boolean delegateFirst = delegate || filter(name);
+
         // (1) Delegate to parent if requested
-        if (delegate) {
+        if (delegateFirst) {
             if (log.isDebugEnabled())
                 log.debug("  Delegating to parent classloader " + parent);
             stream = parent.getResourceAsStream(name);
@@ -1123,7 +1127,7 @@ public abstract class WebappClassLoaderB
         }
 
         // (3) Delegate to parent unconditionally
-        if (!delegate) {
+        if (!delegateFirst) {
             if (log.isDebugEnabled())
                 log.debug("  Delegating to parent classloader unconditionally " + parent);
             stream = parent.getResourceAsStream(name);

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=1684589&r1=1684588&r2=1684589&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.0.x/trunk/webapps/docs/changelog.xml Wed Jun 10 08:00:18 2015
@@ -75,6 +75,13 @@
         application class loader will always delegate to its parent for laoding
         first. (markt)
       </fix>
+      <fix>
+        <bug>58015</bug>: Ensure that whenever the web application class loader
+        checks to see if it should delegate first, it also checks the result
+        of the <code>filter()</code> method which may indicate that it should
+        always delegate first for the current class/resource regardless of the
+        value of the delegate configuration option. (markt)
+      </fix>
     </changelog>
   </subsection>
   <subsection name="Coyote">



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