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Posted to dev@tomcat.apache.org by ma...@apache.org on 2011/09/19 18:48:24 UTC

svn commit: r1172697 - in /tomcat/tc7.0.x/trunk: ./ java/org/apache/catalina/core/DefaultInstanceManager.java

Author: markt
Date: Mon Sep 19 16:48:24 2011
New Revision: 1172697

URL: http://svn.apache.org/viewvc?rev=1172697&view=rev
Log:
Fix threading issue with changing visibility of methods and fields

Modified:
    tomcat/tc7.0.x/trunk/   (props changed)
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java

Propchange: tomcat/tc7.0.x/trunk/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Mon Sep 19 16:48:24 2011
@@ -1 +1 @@
-/tomcat/trunk:1156171,1156276,1156304,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166752,1166757,1167368,1167394,1169447,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172610,1172664
+/tomcat/trunk:1156171,1156276,1156304,1156530,1156602,1157015,1157018,1157151,1157198,1157204,1157810,1157832,1157834,1157847,1157908,1157939,1158155,1158160,1158176,1158195,1158198-1158199,1158227,1158331,1158334-1158335,1158426,1160347,1160592,1160611,1160619,1160626,1160639,1160652,1160720-1160721,1160772,1160774,1160776,1161303,1161310,1161322,1161339,1161486,1161540,1161549,1161584,1162082,1162149,1162169,1162721,1162769,1162836,1162932,1163630,1164419,1164438,1164469,1164480,1164567,1165234,1165247-1165248,1165253,1165273,1165282,1165309,1165331,1165338,1165347,1165360-1165361,1165367-1165368,1165602,1165608,1165677,1165693,1165721,1165723,1165728,1165730,1165738,1165746,1165765,1165777,1165918,1165921,1166077,1166150-1166151,1166290,1166366,1166620,1166686,1166752,1166757,1167368,1167394,1169447,1171692,1172233-1172234,1172236,1172269,1172278,1172282,1172610,1172664,1172689

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java?rev=1172697&r1=1172696&r2=1172697&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/core/DefaultInstanceManager.java Mon Sep 19 16:48:24 2011
@@ -187,9 +187,11 @@ public class DefaultInstanceManager impl
             if (entry.getType() == AnnotationCacheEntryType.POST_CONSTRUCT) {
                 Method postConstruct = (Method) entry.getAccessibleObject();
                 boolean accessibility = postConstruct.isAccessible();
-                postConstruct.setAccessible(true);
-                postConstruct.invoke(instance);
-                postConstruct.setAccessible(accessibility);
+                synchronized (postConstruct) {
+                    postConstruct.setAccessible(true);
+                    postConstruct.invoke(instance);
+                    postConstruct.setAccessible(accessibility);
+                }
             }
         }
     }
@@ -229,9 +231,11 @@ public class DefaultInstanceManager impl
             if (entry.getType() == AnnotationCacheEntryType.PRE_DESTROY) {
                 Method preDestroy = (Method) entry.getAccessibleObject();
                 boolean accessibility = preDestroy.isAccessible();
-                preDestroy.setAccessible(true);
-                preDestroy.invoke(instance);
-                preDestroy.setAccessible(accessibility);
+                synchronized (preDestroy) {
+                    preDestroy.setAccessible(true);
+                    preDestroy.invoke(instance);
+                    preDestroy.setAccessible(accessibility);
+                }
             }
         }
     }
@@ -570,9 +574,11 @@ public class DefaultInstanceManager impl
         }
 
         accessibility = field.isAccessible();
-        field.setAccessible(true);
-        field.set(instance, lookedupResource);
-        field.setAccessible(accessibility);
+        synchronized (field) {
+            field.setAccessible(true);
+            field.set(instance, lookedupResource);
+            field.setAccessible(accessibility);
+        }
     }
 
     /**
@@ -612,9 +618,11 @@ public class DefaultInstanceManager impl
         }
 
         accessibility = method.isAccessible();
-        method.setAccessible(true);
-        method.invoke(instance, lookedupResource);
-        method.setAccessible(accessibility);
+        synchronized (method) {
+            method.setAccessible(true);
+            method.invoke(instance, lookedupResource);
+            method.setAccessible(accessibility);
+        }
     }
 
     public static String getName(Method setter) {



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