that should most likely work without problems. -igor
On Mon, Nov 2, 2009 at 1:47 AM, Andreas Maza <andr.m...@gmail.com> wrote: > just to circumvent the problem for a while, I am thinking of the following > workaround: > > what would be the implications if I change the implementation of > IObjectStreamFactor.DefaultObjectStreamFactory so that > newObjectInputStream() and newObjectOutputStream return the regular JDK > ObjectInputStream and ObjectOutputStream, respectively? > > To my mind, this would eliminate the AccessControlException problem since I > am not subclassing ObjectInputStream and ObjectOutputStream. > > thanks, > andr > > > On 30.10.2009 10:27, A. Maza wrote: >> >> yes, except the fact that I am trying to use a Memcache-based >> implementation of the IPageStore instead of the HTTPSessionStore (based on >> the TerracottaPageStore. However, in my case the exception occurs when I am >> trying to serialize the page using the provided method of the >> AbstractPageStore. >> >> The exception of the second stacktrace I posted was reported by another >> user in the GAE forum [1], but happening in a totally different scenario. >> >> In my initial post I forgot the link to the issue I have opened on the GAE >> project site. [2] >> >> I am using Wicket 1.4.3 (I have also tried it with 1.4.2) and the latest >> GAE SDK (1.2.6) >> >> regards, >> andr >> >> >> >> [1] >> <http://groups.google.com/group/google-appengine-java/browse_thread/thread/b80648c126778ef5/0a259ba5bba8078f?lnk=gst&q=wicket+accesscontrolexception#0a259ba5bba8078f> >> >> [2] <http://code.google.com/p/googleappengine/issues/detail?id=2334> >> >> >> >> >> >> >> >> On 29.10.2009 21:56, Esteban Masoero wrote: >>> >>> I'm sure the answer is "yes" but to be sure: have you done everything >>> that is said here >>> >>> http://stronglytypedblog.blogspot.com/2009/04/wicket-on-google-app-engine.html >>> ? >>> Also, what versions of gae sdk and wicket are you using? >>> >>> A. Maza escribió: >>>> >>>> Hi, >>>> >>>> I've encountered now (and have seen reported by other users) several >>>> different cases where Wicket on GAE throws an AccessControlException >>>> when serializing an object to a byte array. >>>> >>>> Although this is clearly an issue of GAE permissions, I would like to >>>> ask if someone could give me a hint, why this exception occurs or if >>>> someone may know a workaround. I've already filed an issue for this on >>>> the GAE project site [1] and would forward any findings of the wicket >>>> community. >>>> >>>> Below I include snippets of two different stacktraces. >>>> >>>> Thanks in advance, >>>> andr >>>> >>>> >>>> <snip1> >>>> >>>> java.security.AccessControlException: access denied >>>> (java.io.SerializablePermission enableSubclassImplementation) >>>> at >>>> >>>> java.security.AccessControlContext.checkPermission(AccessControlContext.java:323) >>>> >>>> at >>>> >>>> java.security.AccessController.checkPermission(AccessController.java:546) >>>> at java.lang.SecurityManager.checkPermission(SecurityManager.java:532) >>>> at >>>> >>>> com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:151) >>>> >>>> at java.io.ObjectOutputStream.<init>(ObjectOutputStream.java:253) >>>> at >>>> >>>> org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory$2.<init>(IObjectStreamFactory.java:150) >>>> >>>> at >>>> >>>> org.apache.wicket.util.io.IObjectStreamFactory$DefaultObjectStreamFactory.newObjectOutputStream(IObjectStreamFactory.java:114) >>>> >>>> at >>>> org.apache.wicket.util.lang.Objects.objectToByteArray(Objects.java:1111) >>>> at >>>> >>>> org.apache.wicket.protocol.http.pagestore.AbstractPageStore.serializePage(AbstractPageStore.java:203) >>>> >>>> >>>> </snip1> >>>> >>>> <snip2> >>>> (java.io.SerializablePermission enableSubstitution) >>>> at java.security.AccessControlContext.checkPermission >>>> (AccessControlContext.java:264) >>>> at java.security.AccessController.checkPermission >>>> (AccessController.java:427) >>>> at java.lang.SecurityManager.checkPermission(SecurityManager.java: >>>> 532) >>>> at com.google.appengine.tools.development.DevAppServerFactory >>>> $CustomSecurityManager.checkPermission(DevAppServerFactory.java:122) >>>> at java.io.ObjectOutputStream.enableReplaceObject >>>> (ObjectOutputStream.java:556) >>>> at org.apache.wicket.util.lang.Objects >>>> $ReplaceObjectOutputStream.<init>(Objects.java:179) >>>> at org.apache.wicket.util.lang.Objects >>>> $ReplaceObjectOutputStream.<init>(Objects.java:170) >>>> at org.apache.wicket.util.lang.Objects.cloneModel(Objects.java:442) >>>> at org.apache.wicket.version.undo.ModelChange.<init>(ModelChange.java: >>>> 103) >>>> at org.apache.wicket.version.undo.ChangeList.componentModelChanging >>>> (ChangeList.java:64) >>>> at >>>> >>>> org.apache.wicket.version.undo.UndoPageVersionManager.componentModelChanging >>>> >>>> (UndoPageVersionManager.java:123) >>>> at org.apache.wicket.Page.componentModelChanging(Page.java:1555) >>>> at org.apache.wicket.Component.modelChanging(Component.java:2197) >>>> at org.apache.wicket.Component.setDefaultModelObject(Component.java: >>>> 3020) >>>> at >>>> org.apache.wicket.extensions.markup.html.tabs.TabbedPanel.setSelectedTab >>>> (TabbedPanel.java:346) >>>> at org.apache.wicket.extensions.markup.html.tabs.TabbedPanel$5.onClick >>>> (TabbedPanel.java:327) >>>> at org.apache.wicket.markup.html.link.Link.onLinkClicked(Link.java: >>>> 221) >>>> >>>> >>>> >>>> >>>> </snip2> >>>> >>>> --------------------------------------------------------------------- >>>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >>>> For additional commands, e-mail: users-h...@wicket.apache.org >>>> >>>> >>> >>> --------------------------------------------------------------------- >>> To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org >>> For additional commands, e-mail: users-h...@wicket.apache.org >>> >> > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org > For additional commands, e-mail: users-h...@wicket.apache.org > > --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@wicket.apache.org For additional commands, e-mail: users-h...@wicket.apache.org
