[ 
https://issues.apache.org/jira/browse/FELIX-4837?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Nicolas Roduit updated FELIX-4837:
----------------------------------
    Description: 
This a workaround of the issue that I submitted on 
https://bugs.openjdk.java.net/browse/JDK-8054639

The Java Web Start classloader doesn't support to have anonymous classes or 
enum within the shutdown hook.

The patch below allows to stop all the bundles correctly when calling  
m_felix.stop() in the shutdown hook. Otherwise the framework throws an 
exception and do not call the bundle stop. This is a problem when each bundle 
write its preferences or state during the stop method.

{code}                 
diff --git a/framework/src/main/java/org/apache/felix/framework/Felix.java 
b/framework/src/main/java/org/apache/felix/framework/Felix.java
index c6b305a..e44ccea 100644
--- a/framework/src/main/java/org/apache/felix/framework/Felix.java
+++ b/framework/src/main/java/org/apache/felix/framework/Felix.java
@@ -1023,7 +1023,7 @@
         {
             // Spec says stop() on SystemBundle should return immediately and
             // shutdown framework on another thread.
-            new Thread(new Runnable() {
+            Thread t = new Thread( "FelixShutdown"){
                 public void run()
                 {
                     try
@@ -1038,7 +1038,8 @@
                             ex);
                     }
                 }
-            }, "FelixShutdown").start();
+            };
+            t.start();
         }
     }

{code}

  was:
This a workaround of the issue that I submitted on 
https://bugs.openjdk.java.net/browse/JDK-8054639

The Java Web Start classloader doesn't support to have anonymous classes or 
enum within the shutdown hook.

The patch below allows to stop all the bundles correctly when calling  
m_felix.stop() in the shutdown hook. Otherwise the framework throws an 
exception and do not call the bundle stop. This is a problem when each bundle 
write its preferences or state during the stop method.
                 
diff --git a/framework/src/main/java/org/apache/felix/framework/Felix.java 
b/framework/src/main/java/org/apache/felix/framework/Felix.java
index c6b305a..e44ccea 100644
--- a/framework/src/main/java/org/apache/felix/framework/Felix.java
+++ b/framework/src/main/java/org/apache/felix/framework/Felix.java
@@ -1023,7 +1023,7 @@
         {
             // Spec says stop() on SystemBundle should return immediately and
             // shutdown framework on another thread.
-            new Thread(new Runnable() {
+            Thread t = new Thread( "FelixShutdown"){
                 public void run()
                 {
                     try
@@ -1038,7 +1038,8 @@
                             ex);
                     }
                 }
-            }, "FelixShutdown").start();
+            };
+            t.start();
         }
     }


> Workaround for JNLPClassLoader in ShutdownHook 
> -----------------------------------------------
>
>                 Key: FELIX-4837
>                 URL: https://issues.apache.org/jira/browse/FELIX-4837
>             Project: Felix
>          Issue Type: Bug
>          Components: Framework
>    Affects Versions: framework-4.8.0
>         Environment: all
>            Reporter: Nicolas Roduit
>
> This a workaround of the issue that I submitted on 
> https://bugs.openjdk.java.net/browse/JDK-8054639
> The Java Web Start classloader doesn't support to have anonymous classes or 
> enum within the shutdown hook.
> The patch below allows to stop all the bundles correctly when calling  
> m_felix.stop() in the shutdown hook. Otherwise the framework throws an 
> exception and do not call the bundle stop. This is a problem when each bundle 
> write its preferences or state during the stop method.
> {code}                 
> diff --git a/framework/src/main/java/org/apache/felix/framework/Felix.java 
> b/framework/src/main/java/org/apache/felix/framework/Felix.java
> index c6b305a..e44ccea 100644
> --- a/framework/src/main/java/org/apache/felix/framework/Felix.java
> +++ b/framework/src/main/java/org/apache/felix/framework/Felix.java
> @@ -1023,7 +1023,7 @@
>          {
>              // Spec says stop() on SystemBundle should return immediately and
>              // shutdown framework on another thread.
> -            new Thread(new Runnable() {
> +            Thread t = new Thread( "FelixShutdown"){
>                  public void run()
>                  {
>                      try
> @@ -1038,7 +1038,8 @@
>                              ex);
>                      }
>                  }
> -            }, "FelixShutdown").start();
> +            };
> +            t.start();
>          }
>      }
> {code}



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