Author: markt Date: Sat Jan 8 19:24:00 2011 New Revision: 1056773 URL: http://svn.apache.org/viewvc?rev=1056773&view=rev Log: Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=50282 Improve JreMemoryLeakPreventionListener to load javax.security.auth.login.Configuration to avoid redeployment leak.
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/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 Sat Jan 8 19:24:00 2011 @@ -1 +1 @@ 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tomcat/tc6.0.x/trunk/STATUS.txt Sat Jan 8 19:24:00 2011 @@ -102,27 +102,6 @@ PATCHES PROPOSED TO BACKPORT: -0: markt - Patch doesn't apply cleanly to tc6.0.x/trunk -1: -* Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=50282 - Improve JreMemoryLeakPreventionListener to load - javax.security.auth.login.Configuration to avoid redeployment leak. - http://svn.apache.org/viewvc?rev=1042029&view=rev - +1: slaurent, kkolinko, funkman - -0: markt - See http://markmail.org/message/mnowpijhnxg554t5 - -1: - - Additional patches: (line wrapping and docs spelling) - http://svn.apache.org/viewvc?view=revision&revision=1042452 - http://svn.apache.org/viewvc?view=revision&revision=1042447 - http://svn.apache.org/viewvc?view=revision&revision=1042494 - +1: kkolinko - 0: fhanik - don't see a need to change any line wrappings, it just causes clutter in the SVN diffs, but if it floats your boat :) - kkolinko: The above three additional patches (two by silvain and one by markt) - are trivial and IMHO qualify as CTR, so no actual need to vote for them. - I've put them here so that they are not forgotten. Is there anything else - that Mark does not like with his "-0" ? I do not see anything else - in http://markmail.org/message/mnowpijhnxg554t5 - -1: - * Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=50413 Ensure 304s are not returned when using static files as error pages http://people.apache.org/~markt/patches/2011-01-04-bug50413-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=1056773&r1=1056772&r2=1056773&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 Sat Jan 8 19:24:00 2011 @@ -108,6 +108,21 @@ public class JreMemoryLeakPreventionList } /** + * Protects against the memory leak caused when the first call to + * <code>javax.security.auth.login.Configuration</code> is triggered by a + * web application. This first call populate a static variable with a + * reference to the context class loader. Defaults to <code>true</code>. + */ + private boolean securityLoginConfigurationProtection = true; + public boolean isSecurityLoginConfigurationProtection() { + return securityLoginConfigurationProtection; + } + public void setSecurityLoginConfigurationProtection( + boolean securityLoginConfigurationProtection) { + this.securityLoginConfigurationProtection = securityLoginConfigurationProtection; + } + + /** * Protect against the memory leak, when the initialization of the * Java Cryptography Architecture is triggered by initializing * a MessageDigest during web application deployment. @@ -273,6 +288,19 @@ public class JreMemoryLeakPreventionList } } + + /* + * Initializing javax.security.auth.login.Configuration retains a static reference to the context + * class loader. + */ + if (securityLoginConfigurationProtection) { + try { + Class.forName("javax.security.auth.login.Configuration", true, ClassLoader.getSystemClassLoader()); + } catch(ClassNotFoundException e) { + // Ignore + } + } + /* * Creating a MessageDigest during web application startup * initializes the Java Cryptography Architecture. Under certain 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=1056773&r1=1056772&r2=1056773&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml (original) +++ tomcat/tc6.0.x/trunk/webapps/docs/changelog.xml Sat Jan 8 19:24:00 2011 @@ -194,6 +194,12 @@ robust against objects with <code>toString()</code> methods that throw exceptions. (markt) </add> + <add> + <bug>50282</bug>: Load <code>javax.security.auth.login.Configuration</code> + with <code>JreMemoryLeakPreventionListener</code> to avoid memory leak + when stopping a webapp that would use JAAS. + (slaurent) + </add> <fix> <bug>50453</bug>: Correctly handle multiple <code>X-Forwarded-For</code> headers in the RemoteIpValve. Patch provided by Jim Riggs. (markt) 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=1056773&r1=1056772&r2=1056773&view=diff ============================================================================== --- tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml (original) +++ tomcat/tc6.0.x/trunk/webapps/docs/config/listeners.xml Sat Jan 8 19:24:00 2011 @@ -270,6 +270,16 @@ service:jmx:rmi://<hostname>:10002 trigger a memory leak on reload. Defaults to <code>true</code>.</p> </attribute> + <attribute name="securityLoginConfigurationProtection" required="false"> + <p>Enables protection so that usage of the + <code>javax.security.auth.login.Configuration</code> class by a web + application does not provoke a memory leak. The first access of this + class will trigger the initializer that will retain a static reference + to the context class loader. The protection loads the class with the + system class loader to ensure that the static initializer is not + triggered by a web application. Defaults to <code>true</code>.</p> + </attribute> + <attribute name="securityPolicyProtection" required="false"> <p>Enables protection so that usage of the deprecated <code>javax.security.auth.Policy</code> class by a web application does not --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org