Author: remm
Date: Mon Jan 2 14:33:52 2017
New Revision: 1776944
URL: http://svn.apache.org/viewvc?rev=1776944&view=rev
Log:
60513: Fix thread safety issue with RMI cleanup code.
Modified:
tomcat/tc8.5.x/trunk/ (props changed)
tomcat/tc8.5.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml
Propchange: tomcat/tc8.5.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Jan 2 14:33:52 2017
@@ -1 +1 @@
-/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
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+/tomcat/trunk:1734785,1734799,1734845,1734928,1735041,1735044,1735480,1735577,1735597,1735599-1735600,1735615,1736145,1736162,1736209,1736280,1736297,1736299,1736489,1736646,1736703,1736836,1736849,1737104-1737105,1737112,1737117,1737119-1737120,1737155,1737157,1737192,1737280,1737339,1737632,1737664,1737715,1737748,1737785,1737834,1737860,1737903,1737959,1738005,1738007,1738014-1738015,1738018,1738022,1738039,1738043,1738059-1738060,1738147,1738149,1738174-1738175,1738261,1738589,1738623-1738625,1738643,1738816,1738850,1738855,1738946-1738948,1738953-1738954,1738979,1738982,1739079-1739081,1739087,1739113,1739153,1739172,1739176,1739191,1739474,1739726,1739762,1739775,1739814,1739817-1739818,1739975,1740131,1740324,1740465,1740495,1740508-1740509,1740520,1740535,1740707,1740803,1740810,1740969,1740980,1740991,1740997,1741015,1741033,1741036,1741058,1741060,1741080,1741147,1741159,1741164,1741173,1741181,1741190,1741197,1741202,1741208,1741213,1741221,1741225,1741232,1741409,1741501
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Modified:
tomcat/tc8.5.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
URL:
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java?rev=1776944&r1=1776943&r2=1776944&view=diff
==============================================================================
---
tomcat/tc8.5.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
(original)
+++
tomcat/tc8.5.x/trunk/java/org/apache/catalina/loader/WebappClassLoaderBase.java
Mon Jan 2 14:33:52 2017
@@ -2087,37 +2087,39 @@ public abstract class WebappClassLoaderB
return;
}
- // Iterate over the values in the table
- if (objTable instanceof Map<?,?>) {
- Iterator<?> iter = ((Map<?,?>) objTable).values().iterator();
- while (iter.hasNext()) {
- Object obj = iter.next();
- Object cclObject = cclField.get(obj);
- if (this == cclObject) {
- iter.remove();
- Object stubObject = stubField.get(obj);
- log.error(sm.getString("webappClassLoader.clearRmi",
- stubObject.getClass().getName(), stubObject));
+ synchronized (objTable) {
+ // Iterate over the values in the table
+ if (objTable instanceof Map<?,?>) {
+ Iterator<?> iter = ((Map<?,?>)
objTable).values().iterator();
+ while (iter.hasNext()) {
+ Object obj = iter.next();
+ Object cclObject = cclField.get(obj);
+ if (this == cclObject) {
+ iter.remove();
+ Object stubObject = stubField.get(obj);
+
log.error(sm.getString("webappClassLoader.clearRmi",
+ stubObject.getClass().getName(),
stubObject));
+ }
}
}
- }
- // Clear the implTable map
- Field implTableField =
objectTableClass.getDeclaredField("implTable");
- implTableField.setAccessible(true);
- Object implTable = implTableField.get(null);
- if (implTable == null) {
- return;
- }
+ // Clear the implTable map
+ Field implTableField =
objectTableClass.getDeclaredField("implTable");
+ implTableField.setAccessible(true);
+ Object implTable = implTableField.get(null);
+ if (implTable == null) {
+ return;
+ }
- // Iterate over the values in the table
- if (implTable instanceof Map<?,?>) {
- Iterator<?> iter = ((Map<?,?>) implTable).values().iterator();
- while (iter.hasNext()) {
- Object obj = iter.next();
- Object cclObject = cclField.get(obj);
- if (this == cclObject) {
- iter.remove();
+ // Iterate over the values in the table
+ if (implTable instanceof Map<?,?>) {
+ Iterator<?> iter = ((Map<?,?>)
implTable).values().iterator();
+ while (iter.hasNext()) {
+ Object obj = iter.next();
+ Object cclObject = cclField.get(obj);
+ if (this == cclObject) {
+ iter.remove();
+ }
}
}
}
Modified: tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml
URL:
http://svn.apache.org/viewvc/tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml?rev=1776944&r1=1776943&r2=1776944&view=diff
==============================================================================
--- tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml (original)
+++ tomcat/tc8.5.x/trunk/webapps/docs/changelog.xml Mon Jan 2 14:33:52 2017
@@ -56,6 +56,9 @@
Update the warnings that reference required options for running on Java
9 to use the latest syntax for those options. (markt)
</update>
+ <fix>
+ <bug>60513</bug>: Fix thread safety issue with RMI cleanup code. (remm)
+ </fix>
</changelog>
</subsection>
<subsection name="Coyote">
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