openwebbeans-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "PÉNET LUDOVIC" <l.pe...@senat.fr>
Subject Re: OWB on Google App Engine ?
Date Mon, 17 Nov 2014 22:14:00 GMT

Romain Manni-Bucau a écrit :
> HI
>
> maybe lost a part of the thread in gmail but what's the issue with
> Unsafe? Does GAE uses a security manager? If so it just needs to be
> configured

The problem is their Reflection policy ( in
https://cloud.google.com/appengine/docs/java/ )

«
Reflection

An application is allowed full, unrestricted, reflective access to its own
classes.

It may query any private members, call the method
java.lang.reflect.AccessibleObject.setAccessible(), and read/set private
members.

An application can also reflect on JRE and API classes, such as
java.lang.String and javax.servlet.http.HttpServletRequest. However, it
can only access public members of these classes, not protected or private.

An application cannot reflect against any other classes not belonging to
itself, and it can not use the setAccessible() method to circumvent these
restrictions.

»

When one start OWB, this translates to exceptions such as :


[INFO] Caused by: java.lang.IllegalStateException: Cannot get sun.misc.Unsafe
[INFO]  at
org.apache.webbeans.proxy.AbstractProxyFactory$2.run(AbstractProxyFactory.java:598)
[INFO]  at java.security.AccessController.doPrivileged(Native Method)
[INFO]  at
org.apache.webbeans.proxy.AbstractProxyFactory.initializeUnsafe(AbstractProxyFactory.java:585)
[INFO]  at
org.apache.webbeans.proxy.AbstractProxyFactory.<init>(AbstractProxyFactory.java:64)
[INFO]  at
org.apache.webbeans.proxy.InterceptorDecoratorProxyFactory.<init>(InterceptorDecoratorProxyFactory.java:74)
[INFO]  at
org.apache.webbeans.config.WebBeansContext.<init>(WebBeansContext.java:79)
[INFO]  at
org.apache.webbeans.config.WebBeansContext.<init>(WebBeansContext.java:98)
[INFO]  at
org.apache.webbeans.corespi.DefaultSingletonService.get(DefaultSingletonService.java:54)
[INFO]  at
org.apache.webbeans.corespi.DefaultSingletonService.get(DefaultSingletonService.java:28)
[INFO]  at
org.apache.webbeans.config.WebBeansFinder.getSingletonInstance(WebBeansFinder.java:51)
[INFO]  at
org.apache.webbeans.config.WebBeansContext.getInstance(WebBeansContext.java:164)
[INFO]  at
org.apache.webbeans.config.WebBeansContext.currentInstance(WebBeansContext.java:182)
[INFO]  at
org.apache.webbeans.jsf.OwbApplicationFactory.<init>(OwbApplicationFactory.java:37)
[INFO]  ... 41 more
[INFO] Caused by: java.lang.IllegalAccessException: Reflection is not
allowed on private static final sun.misc.Unsafe sun.misc.Unsafe.theUnsafe
[INFO]  at
com.google.appengine.tools.development.agent.runtime.Runtime.verifyWhiteListed(Runtime.java:77)
[INFO]  at
com.google.appengine.tools.development.agent.runtime.Runtime.verifyReadable(Runtime.java:85)
[INFO]  at
com.google.appengine.tools.development.agent.runtime.Runtime.verifyAndRun(Runtime.java:367)
[INFO]  at
com.google.appengine.tools.development.agent.runtime.Runtime.get(Runtime.java:164)
[INFO]  at
org.apache.webbeans.proxy.AbstractProxyFactory$2.run(AbstractProxyFactory.java:594)
[INFO]  ... 53 more

Thank you for your attention !

Ludovic

|
| AVANT D'IMPRIMER, PENSEZ A L'ENVIRONNEMENT.
|


Mime
View raw message