Author: markt
Date: Fri Jan 22 12:30:37 2016
New Revision: 1726195

URL: http://svn.apache.org/viewvc?rev=1726195&view=rev
Log:
Clarify behaviour of Manager.context

Note: This does not impact Context.manager

A Manager can only be used with a single Context and must then be destroyed 
when no longer required

Modified:
    tomcat/tc8.0.x/trunk/   (props changed)
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/Manager.java
    
tomcat/tc8.0.x/trunk/java/org/apache/catalina/authenticator/SingleSignOnListener.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/FileStore.java
    
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/LocalStrings.properties
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/ManagerBase.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardManager.java
    tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardSession.java

Propchange: tomcat/tc8.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Jan 22 12:30:37 2016
@@ -1 +1 @@
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3024,1703040,1703044,1703049-1703050,1703143,1703146,1703151,1703160,1703164,1703167,1703174,1703192,1703287,1703290,1703358,1703408,1703486,1703509,1703523,1703542,1703545,1703554,1703584,1703673,1703676,1703678,1703680,1703763,1703784,1703821,1703842,1703849,1703851,1703853,1703856,1703860,1703865,1703890,1703948,1704149,1704151,1704251,1704278,1704289,1704302,1704305,1704307,1704318,1704331,1704647,1704658,1704689,1704702,1704706,1704711,1704730-1704733,1704735,1704739,1704741-1704742,1704744,1704786,1704867,1705231,1705630,1705635,1705639,1705647,1705650-1705652,1705842,1705848,1705865-1705866,1705942,1706017,1706744-1706745,1706853,1706915,1707052,1707088,1708500-1708501,1708504-1708505,1708570,1708649,1708687,1708745,1708957,1709120,1709266,1709295,1709375,1709663,1709895,1709960,1710070,1710134,1710341,1710346,1710441,1710445,1710489,1710517,1710523,1710571,1710577,1710632,1710676,1710689,1710753-1710754,1710779,1710924,1710930,1710933,1710945,1711006,1711016,1711022,1711026,
 
1712163,1712225,1712228,1712233,1712250,1712254,1712489,1712547-1712548,1712588,1712617,1712645,1712654,1712695,1712765-1712766,1712771,1712775,1712859,1712876,1712898,1712902,1712905,1712912,1712974,1713129,1713168,1713184,1713285,1713362,1713397,1713446,1713612,1713618,1713871,1713931,1713975,1713987,1713992,1713997,1714002,1714012,1714019,1714054,1714521,1714535,1714537,1715168,1715188,1715206,1715413,1715415,1715510-1715512,1715514-1715515,1715517-1715519,1715521,1715633,1715661,1715682,1715965,1716213-1716214,1716258,1716269,1716347,1716354,1716364,1716413,1716420,1716511,1716543,1716640,1716644,1716856,1716858,1716881-1716882,1716886,1716894,1717085,1717225,1717233,1717252,1717264,1717282,1717286,1717290,1717385,1717416,1717418,1717445,1717515,1717520,1717528,1717965,1717967-1717968,1717979,1718022,1718308,1718523,1718794,1718796,1718834,1718836-1718838,1719278,1719291,1719315,1719332,1719334,1719340,1719346,1719441,1719446,1719488,1719909-1719910,1720200,1720234,1720394,17204
 
39,1720445,1720448,1720462,1720506,1720652,1720654-1720655,1720711,1720752,1720769,1720776,1720804,1720815,1721303,1721307,1721311,1721314,1721447,1721528,1721539,1721812,1721817,1721830,1721860,1721866,1721881,1721887,1722205,1722292,1722399,1722453,1722455,1722522,1722526,1722532,1722548,1722574,1722583,1722585,1722799,1722807,1722824,1722828-1722829,1722831,1722859,1722902,1722905,1722923,1722939,1722945,1722996,1723068,1723127,1723155,1723250,1723316-1723318,1723368,1723371,1723375,1723377,1723380,1723410,1723414,1723437,1723484,1723486,1723493-1723494,1723500,1723552,1723554,1723683,1723707,1723736,1724012,1724252,1724325,1724427-1724428,1724433,1724673,1724788,1724863,1724900,1724997,1725113,1725126-1725127,1725150,1725165,1725183,1725199,1725202,1725204,1725207,1725264,1725266,1725278,1725282,1725599,1725601,1725635,1725646,1725816,1725851,1725906-1725907,1725910,1725920,1725926,1726177

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/Manager.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/Manager.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/Manager.java (original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/Manager.java Fri Jan 22 
12:30:37 2016
@@ -76,7 +76,11 @@ public interface Manager {
 
 
     /**
-     * Set the Container with which this Manager is associated.
+     * Set the Context with which this Manager is associated. The Context must
+     * be set to a non-null value before the Manager is first used. Multiple
+     * calls to this method before first use are permitted. Once the Manager 
has
+     * been used, this method may not be used to change the Context (including
+     * setting a {@code null} value) that the Manager is associated with.
      *
      * @param context The newly associated Context
      */

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/authenticator/SingleSignOnListener.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/authenticator/SingleSignOnListener.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/authenticator/SingleSignOnListener.java
 (original)
+++ 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/authenticator/SingleSignOnListener.java
 Fri Jan 22 12:30:37 2016
@@ -48,9 +48,6 @@ public class SingleSignOnListener implem
             return;
         }
         Context context = manager.getContext();
-        if (context == null) {
-            return;
-        }
         Authenticator authenticator = context.getAuthenticator();
         if (!(authenticator instanceof AuthenticatorBase)) {
             return;

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/core/StandardContext.java Fri 
Jan 22 12:30:37 2016
@@ -1704,16 +1704,6 @@ public class StandardContext extends Con
         support.firePropertyChange("distributable",
                                    oldDistributable,
                                    this.distributable);
-
-        // Bugzilla 32866
-        Manager manager = getManager();
-        if(manager != null) {
-            if(log.isDebugEnabled()) {
-                log.debug("Propagating distributable=" + distributable
-                          + " to manager");
-            }
-            manager.setDistributable(distributable);
-        }
     }
 
 
@@ -1839,20 +1829,20 @@ public class StandardContext extends Con
             this.manager = manager;
 
             // Stop the old component if necessary
-            if (getState().isAvailable() && (oldManager != null) &&
-                (oldManager instanceof Lifecycle)) {
+            if (oldManager instanceof Lifecycle) {
                 try {
                     ((Lifecycle) oldManager).stop();
+                    ((Lifecycle) oldManager).destroy();
                 } catch (LifecycleException e) {
-                    log.error("StandardContext.setManager: stop: ", e);
+                    log.error("StandardContext.setManager: stop-destroy: ", e);
                 }
             }
 
             // Start the new component if necessary
-            if (manager != null)
+            if (manager != null) {
                 manager.setContext(this);
-            if (getState().isAvailable() && (manager != null) &&
-                (manager instanceof Lifecycle)) {
+            }
+            if (getState().isAvailable() && manager instanceof Lifecycle) {
                 try {
                     ((Lifecycle) manager).start();
                 } catch (LifecycleException e) {

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/ha/tcp/SimpleTcpCluster.java 
Fri Jan 22 12:30:37 2016
@@ -463,13 +463,11 @@ public class SimpleTcpCluster extends Li
         String clusterName = name ;
         if (clusterName == null) clusterName = manager.getContext().getName();
         if (getContainer() instanceof Engine) {
-            Context context = manager.getContext() ;
-            if(context != null) {
-                Container host = context.getParent();
-                if(host != null && host instanceof Host && clusterName!=null &&
-                        !(clusterName.startsWith(host.getName() +"#"))) {
-                    clusterName = host.getName() +"#" + clusterName ;
-                }
+            Context context = manager.getContext();
+            Container host = context.getParent();
+            if (host instanceof Host && clusterName != null &&
+                    !(clusterName.startsWith(host.getName() +"#"))) {
+                clusterName = host.getName() +"#" + clusterName ;
             }
         }
         return clusterName;

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/FileStore.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/FileStore.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/FileStore.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/FileStore.java Fri 
Jan 22 12:30:37 2016
@@ -334,23 +334,16 @@ public final class FileStore extends Sto
         File file = new File(this.directory);
         if (!file.isAbsolute()) {
             Context context = manager.getContext();
-            if (context != null) {
-                ServletContext servletContext = context.getServletContext();
-                File work = (File)
-                    servletContext.getAttribute(ServletContext.TEMPDIR);
-                file = new File(work, this.directory);
-            } else {
-                throw new IllegalArgumentException("Parent Container is not a 
Context");
-            }
+            ServletContext servletContext = context.getServletContext();
+            File work = (File) 
servletContext.getAttribute(ServletContext.TEMPDIR);
+            file = new File(work, this.directory);
         }
         if (!file.exists() || !file.isDirectory()) {
             if (!file.delete() && file.exists()) {
-                throw new IOException(
-                        sm.getString("fileStore.deleteFailed", file));
+                throw new IOException(sm.getString("fileStore.deleteFailed", 
file));
             }
             if (!file.mkdirs() && !file.isDirectory()) {
-                throw new IOException(
-                        sm.getString("fileStore.createFailed", file));
+                throw new IOException(sm.getString("fileStore.createFailed", 
file));
             }
         }
         this.directoryFile = file;

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/LocalStrings.properties
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/LocalStrings.properties?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/LocalStrings.properties 
(original)
+++ 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/LocalStrings.properties 
Fri Jan 22 12:30:37 2016
@@ -31,8 +31,10 @@ JDBCStore.wrongDataSource=Cannot open JN
 JDBCStore.missingDataSourceName=No valid JNDI name was given.
 JDBCStore.commitSQLException=SQLException committing connection before closing
 managerBase.container.noop=Managers added to containers other than Contexts 
will never be used
+managerBase.contextNull=The Context must be set to a non-null value before the 
Manager is used
 managerBase.createSession.ise=createSession: Too many active sessions
 managerBase.sessionTimeout=Invalid session timeout setting {0}
+managerBase.setContextNotNew=It is illegal to call setContext() to change the 
Context associated with a Manager if the Manager is not in the NEW state
 standardManager.loading=Loading persisted sessions from {0}
 standardManager.loading.exception=Exception while loading persisted sessions
 standardManager.unloading=Saving persisted sessions to {0}

Modified: tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/ManagerBase.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/ManagerBase.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/ManagerBase.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/ManagerBase.java Fri 
Jan 22 12:30:37 2016
@@ -39,6 +39,7 @@ import org.apache.catalina.Context;
 import org.apache.catalina.Engine;
 import org.apache.catalina.Lifecycle;
 import org.apache.catalina.LifecycleException;
+import org.apache.catalina.LifecycleState;
 import org.apache.catalina.Manager;
 import org.apache.catalina.Session;
 import org.apache.catalina.SessionIdGenerator;
@@ -264,22 +265,17 @@ public abstract class ManagerBase extend
 
     @Override
     public void setContext(Context context) {
-        // De-register from the old Context (if any)
-        if (this.context != null) {
-            this.context.removePropertyChangeListener(this);
+        if (this.context == context) {
+            // NO-OP
+            return;
+        }
+        if (!getState().equals(LifecycleState.NEW)) {
+            throw new 
IllegalStateException(sm.getString("managerBase.setContextNotNew"));
         }
-
         Context oldContext = this.context;
         this.context = context;
-        support.firePropertyChange("context", oldContext, this.context);
         // TODO - delete the line below in Tomcat 9 onwards
-        support.firePropertyChange("container", oldContext, this.context);
-
-        // Register with the new Context (if any)
-        if (this.context != null) {
-            setMaxInactiveInterval(this.context.getSessionTimeout() * 60);
-            this.context.addPropertyChangeListener(this);
-        }
+        support.firePropertyChange("context", oldContext, this.context);
     }
 
 
@@ -570,7 +566,16 @@ public abstract class ManagerBase extend
 
         super.initInternal();
 
+        if (context == null) {
+            throw new 
LifecycleException(sm.getString("managerBase.contextNull"));
+        }
+
+        // Copy current values from Context
+        setMaxInactiveInterval(this.context.getSessionTimeout() * 60);
         setDistributable(getContext().getDistributable());
+
+        // Track any further changes in those values
+        this.context.addPropertyChangeListener(this);
     }
 
     @Override
@@ -624,6 +629,17 @@ public abstract class ManagerBase extend
 
 
     @Override
+    protected void destroyInternal() throws LifecycleException {
+        // De-register from the old Context (if any)
+        if (this.context != null) {
+            this.context.removePropertyChangeListener(this);
+        }
+
+        super.destroyInternal();
+    }
+
+
+    @Override
     public void add(Session session) {
         sessions.put(session.getIdInternal(), session);
         int size = getActiveSessions();
@@ -1260,6 +1276,8 @@ public abstract class ManagerBase extend
                 log.error(sm.getString("managerBase.sessionTimeout",
                         event.getNewValue()));
             }
+        } else if (event.getPropertyName().equals("distributable")) {
+            setDistributable(((Boolean) event.getNewValue()).booleanValue());
         }
     }
 

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardManager.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardManager.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardManager.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardManager.java 
Fri Jan 22 12:30:37 2016
@@ -194,9 +194,7 @@ public class StandardManager extends Man
         try (FileInputStream fis = new FileInputStream(file.getAbsolutePath());
                 BufferedInputStream bis = new BufferedInputStream(fis);) {
             Context c = getContext();
-            if (c != null) {
-                loader = c.getLoader();
-            }
+            loader = c.getLoader();
             if (loader != null) {
                 classLoader = loader.getClassLoader();
             }
@@ -414,17 +412,16 @@ public class StandardManager extends Man
      * persistence file, if any.
      */
     protected File file() {
-        if ((pathname == null) || (pathname.length() == 0))
-            return (null);
+        if (pathname == null || pathname.length() == 0) {
+            return null;
+        }
         File file = new File(pathname);
         if (!file.isAbsolute()) {
             Context context = getContext();
-            if (context != null) {
-                ServletContext servletContext = context.getServletContext();
-                File tempdir = (File)
-                    servletContext.getAttribute(ServletContext.TEMPDIR);
-                if (tempdir != null)
-                    file = new File(tempdir, pathname);
+            ServletContext servletContext = context.getServletContext();
+            File tempdir = (File) 
servletContext.getAttribute(ServletContext.TEMPDIR);
+            if (tempdir != null) {
+                file = new File(tempdir, pathname);
             }
         }
         return file;

Modified: 
tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardSession.java
URL: 
http://svn.apache.org/viewvc/tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardSession.java?rev=1726195&r1=1726194&r2=1726195&view=diff
==============================================================================
--- tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardSession.java 
(original)
+++ tomcat/tc8.0.x/trunk/java/org/apache/catalina/session/StandardSession.java 
Fri Jan 22 12:30:37 2016
@@ -1145,15 +1145,11 @@ public class StandardSession implements
      */
     @Override
     public ServletContext getServletContext() {
-
-        if (manager == null)
-            return (null);
+        if (manager == null) {
+            return null;
+        }
         Context context = manager.getContext();
-        if (context == null)
-            return (null);
-        else
-            return (context.getServletContext());
-
+        return context.getServletContext();
     }
 
 



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