Author: markt
Date: Wed Sep 4 12:14:02 2013
New Revision: 1519991
URL: http://svn.apache.org/r1519991
Log:
Fix possible memory leak with NIO when executor needs to create a new
thread.
Pull up common code.
Modified:
tomcat/trunk/java/org/apache/tomcat/util/net/AbstractEndpoint.java
tomcat/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java
tomcat/trunk/java/org/apache/tomcat/util/net/JIoEndpoint.java
tomcat/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java
Modified: tomcat/trunk/java/org/apache/tomcat/util/net/AbstractEndpoint.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/net/AbstractEndpoint.java?rev=1519991&r1=1519990&r2=1519991&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/net/AbstractEndpoint.java
(original)
+++ tomcat/trunk/java/org/apache/tomcat/util/net/AbstractEndpoint.java Wed Sep
4 12:14:02 2013
@@ -20,6 +20,7 @@ import java.io.File;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.InetSocketAddress;
+import java.security.PrivilegedAction;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.StringTokenizer;
@@ -94,6 +95,23 @@ public abstract class AbstractEndpoint<S
}
}
+
+ protected static class PrivilegedSetTccl implements PrivilegedAction<Void>
{
+
+ private ClassLoader cl;
+
+ PrivilegedSetTccl(ClassLoader cl) {
+ this.cl = cl;
+ }
+
+ @Override
+ public Void run() {
+ Thread.currentThread().setContextClassLoader(cl);
+ return null;
+ }
+ }
+
+
private static final int INITIAL_ERROR_DELAY = 50;
private static final int MAX_ERROR_DELAY = 1600;
Modified: tomcat/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java?rev=1519991&r1=1519990&r2=1519991&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/net/AprEndpoint.java Wed Sep 4
12:14:02 2013
@@ -2300,20 +2300,4 @@ public class AprEndpoint extends Abstrac
super(socket);
}
}
-
-
- private static class PrivilegedSetTccl implements PrivilegedAction<Void> {
-
- private ClassLoader cl;
-
- PrivilegedSetTccl(ClassLoader cl) {
- this.cl = cl;
- }
-
- @Override
- public Void run() {
- Thread.currentThread().setContextClassLoader(cl);
- return null;
- }
- }
}
Modified: tomcat/trunk/java/org/apache/tomcat/util/net/JIoEndpoint.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/net/JIoEndpoint.java?rev=1519991&r1=1519990&r2=1519991&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/net/JIoEndpoint.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/net/JIoEndpoint.java Wed Sep 4
12:14:02 2013
@@ -607,20 +607,4 @@ public class JIoEndpoint extends Abstrac
protected Log getLog() {
return log;
}
-
- private static class PrivilegedSetTccl implements PrivilegedAction<Void> {
-
- private ClassLoader cl;
-
- PrivilegedSetTccl(ClassLoader cl) {
- this.cl = cl;
- }
-
- @Override
- public Void run() {
- Thread.currentThread().setContextClassLoader(cl);
- return null;
- }
- }
-
}
Modified: tomcat/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java?rev=1519991&r1=1519990&r2=1519991&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/util/net/NioEndpoint.java Wed Sep 4
12:14:02 2013
@@ -32,6 +32,8 @@ import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.nio.channels.WritableByteChannel;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
import java.util.Iterator;
import java.util.Set;
import java.util.concurrent.CountDownLatch;
@@ -626,8 +628,30 @@ public class NioEndpoint extends Abstrac
SocketProcessor sc = processorCache.pop();
if ( sc == null ) sc = new SocketProcessor(socket,status);
else sc.reset(socket,status);
- if ( dispatch && getExecutor()!=null ) getExecutor().execute(sc);
- else sc.run();
+ if (dispatch && getExecutor() != null) {
+ ClassLoader loader =
Thread.currentThread().getContextClassLoader();
+ try {
+ //threads should not be created by the webapp classloader
+ if (Constants.IS_SECURITY_ENABLED) {
+ PrivilegedAction<Void> pa = new PrivilegedSetTccl(
+ getClass().getClassLoader());
+ AccessController.doPrivileged(pa);
+ } else {
+ Thread.currentThread().setContextClassLoader(
+ getClass().getClassLoader());
+ }
+ getExecutor().execute(sc);
+ } finally {
+ if (Constants.IS_SECURITY_ENABLED) {
+ PrivilegedAction<Void> pa = new
PrivilegedSetTccl(loader);
+ AccessController.doPrivileged(pa);
+ } else {
+ Thread.currentThread().setContextClassLoader(loader);
+ }
+ }
+ } else {
+ sc.run();
+ }
} catch (RejectedExecutionException rx) {
log.warn("Socket processing request was rejected for:"+socket,rx);
return false;
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