Author: markt
Date: Sat May 4 20:59:07 2013
New Revision: 1479175
URL: http://svn.apache.org/r1479175
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54906
Better error message for ConcurrentModificationException when checking for
memory leaks and continue with remaining checks.
Based on a patch by NateC.
Modified:
tomcat/trunk/java/org/apache/catalina/loader/LocalStrings.properties
tomcat/trunk/java/org/apache/catalina/loader/WebappClassLoader.java
Modified: tomcat/trunk/java/org/apache/catalina/loader/LocalStrings.properties
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/loader/LocalStrings.properties?rev=1479175&r1=1479174&r2=1479175&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/loader/LocalStrings.properties
(original)
+++ tomcat/trunk/java/org/apache/catalina/loader/LocalStrings.properties Sat
May 4 20:59:07 2013
@@ -30,6 +30,7 @@ webappClassLoader.checkThreadLocalsForLe
webappClassLoader.checkThreadLocalsForLeaksDebug=The web application [{0}]
created a ThreadLocal with key of type [{1}] (value [{2}]). The ThreadLocal has
been correctly set to null and the key will be removed by GC.
webappClassLoader.checkThreadLocalsForLeaksFail=Failed to check for
ThreadLocal references for web application [{0}]
webappClassLoader.checkThreadsHttpClient=Found HttpClient keep-alive thread
using web application class loader. Fixed by switching thread to the parent
class loader.
+webappClassLoader.loadedByThisOrChildFail=Failed to fully check the entries in
an instance of [{0}] for potential memory leaks in context [{1}]
webappClassLoader.stopThreadFail=Failed to terminate thread named [{0}] for
web application [{1}]
webappClassLoader.stopTimerThreadFail=Failed to terminate TimerThread named
[{0}] for web application [{1}]
webappClassLoader.validationErrorJarPath=Unable to validate JAR entry with
name {0}
Modified: tomcat/trunk/java/org/apache/catalina/loader/WebappClassLoader.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/loader/WebappClassLoader.java?rev=1479175&r1=1479174&r2=1479175&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/loader/WebappClassLoader.java
(original)
+++ tomcat/trunk/java/org/apache/catalina/loader/WebappClassLoader.java Sat May
4 20:59:07 2013
@@ -41,6 +41,7 @@ import java.security.PrivilegedAction;
import java.security.ProtectionDomain;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.ConcurrentModificationException;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Iterator;
@@ -2312,11 +2313,17 @@ public class WebappClassLoader
if (o instanceof Collection<?>) {
Iterator<?> iter = ((Collection<?>) o).iterator();
- while (iter.hasNext()) {
- Object entry = iter.next();
- if (loadedByThisOrChild(entry)) {
- return true;
+ try {
+ while (iter.hasNext()) {
+ Object entry = iter.next();
+ if (loadedByThisOrChild(entry)) {
+ return true;
+ }
}
+ } catch (ConcurrentModificationException e) {
+ log.warn(sm.getString(
+ "webappClassLoader", clazz.getName(),
getContextName()),
+ e);
}
}
return false;
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