Line 87 in DialogLaguageUtils (where your NPE occurs) is:

        Collection<Locale> locales = i18nContentSupport.getLocales();

Are you trying this with a working site set up? 

When you install Magnolia with STK and the Shop module with all necessary 
dependencies you should end up with
a) the "demo-project" site
b) a "sampleShop" shop setup
Start from there, get familiar with site setups and then move on to your own 
stuff!

Good luck!

-will


On 02.01.2012, at 18:50, Magnolia Forums (on behalf of Blair Fetzer) wrote:

> Hi All,
> 
> I am new to Magnolia and am trying to create a new product using the magnolia 
> shop module.  I have tried various versions of magnolia (4.4.2, 4.5.6) and 
> the stk (1.4.2, 1.4.5) with the shop modules (1.0 and 1.0.1-SNAPSHOT).  Once 
> all of the jars are installed and the app starts up without errors I try to 
> create a new product under Sample Shop > Products.  Every time I get the 
> following error:
> 
> [quote]java.lang.RuntimeException: java.lang.NullPointerException
>       
> info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:159)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:77)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
>       
> info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
> 
> root cause
> 
> java.lang.NullPointerException
>       
> info.magnolia.module.shop.dialog.DialogLanguagesUtil.initLanguages(DialogLanguagesUtil.java:87)
>       
> info.magnolia.module.shop.dialog.MultiLanguageDialogEdit.init(MultiLanguageDialogEdit.java:94)
>       
> info.magnolia.cms.gui.dialog.DialogFactory.getDialogControlInstanceByName(DialogFactory.java:188)
>       
> info.magnolia.cms.gui.dialog.DialogFactory.loadDialog(DialogFactory.java:94)
>       
> info.magnolia.cms.gui.dialog.DialogControlImpl.initializeConfig(DialogControlImpl.java:535)
>       
> info.magnolia.cms.gui.dialog.DialogControlImpl.init(DialogControlImpl.java:157)
>       
> info.magnolia.cms.gui.dialog.DialogFactory.getDialogControlInstanceByName(DialogFactory.java:188)
>       
> info.magnolia.cms.gui.dialog.DialogFactory.loadDialog(DialogFactory.java:94)
>       
> info.magnolia.cms.gui.dialog.DialogControlImpl.initializeConfig(DialogControlImpl.java:535)
>       
> info.magnolia.cms.gui.dialog.DialogControlImpl.init(DialogControlImpl.java:157)
>       
> info.magnolia.cms.gui.dialog.DialogFactory.getDialogInstance(DialogFactory.java:100)
>       
> info.magnolia.module.admininterface.DialogMVCHandler.createDialog(DialogMVCHandler.java:212)
>       
> info.magnolia.module.data.dialogs.DataDialog.createDialog(DataDialog.java:80)
>       
> info.magnolia.module.shop.dialog.ProductTypeSelectDialog.createDialog(ProductTypeSelectDialog.java:180)
>       
> info.magnolia.module.admininterface.DialogMVCHandler.getDialog(DialogMVCHandler.java:457)
>       
> info.magnolia.module.admininterface.DialogMVCHandler.renderHtml(DialogMVCHandler.java:417)
>       info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:124)
>       info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:69)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
>       javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
>       
> info.magnolia.cms.filters.ServletDispatchingFilter.doFilter(ServletDispatchingFilter.java:119)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.VirtualUriFilter.doFilter(VirtualUriFilter.java:69)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.module.cache.executor.Bypass.processCacheRequest(Bypass.java:57)
>       
> info.magnolia.module.cache.filter.CacheFilter.doFilter(CacheFilter.java:147)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.i18n.I18nContentSupportFilter.doFilter(I18nContentSupportFilter.java:75)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.module.cache.filter.GZipFilter.doFilter(GZipFilter.java:73)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.security.BaseSecurityFilter.doFilter(BaseSecurityFilter.java:64)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       info.magnolia.cms.security.LogoutFilter.doFilter(LogoutFilter.java:88)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.security.auth.login.LoginFilter.doFilter(LoginFilter.java:77)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:84)
>       
> info.magnolia.cms.filters.CosMultipartRequestFilter.doFilter(CosMultipartRequestFilter.java:86)
>       
> info.magnolia.cms.filters.OncePerRequestAbstractMgnlFilter.doFilter(OncePerRequestAbstractMgnlFilter.java:60)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.ContentTypeFilter.doFilter(ContentTypeFilter.java:102)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       info.magnolia.cms.filters.ContextFilter.doFilter(ContextFilter.java:120)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlFilterChain.doFilter(MgnlFilterChain.java:82)
>       
> info.magnolia.cms.filters.CompositeFilter.doFilter(CompositeFilter.java:66)
>       
> info.magnolia.cms.filters.AbstractMgnlFilter.doFilter(AbstractMgnlFilter.java:88)
>       
> info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:105)
>       
> info.magnolia.cms.filters.MgnlMainFilter.doFilter(MgnlMainFilter.java:216)
> [/quote]
> 
> Could 
> info.magnolia.module.shop.dialog.DialogLanguagesUtil.initLanguages(DialogLanguagesUtil.java:87)
>  be due to some i18n config I need to make?  Does anyone have any thoughts or 
> ideas?
> 
> -- 
> Context is everything: 
> http://forum.magnolia-cms.com/forum/thread.html?threadId=f98f91c7-df62-46eb-894b-46267dc8f3c2
> 
> 
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