On Thursday, February 19, 2015 at 4:38:43 AM UTC+1, Corey Wu wrote:
>
> Hi,
>
> Anyone have experience with getting an embedded Neo4j database running on
> GWT? I get an AccessControlException when I create the embedded database
> server side.
>
> Here's my stacktrace:
>
> SEVERE: javax.servlet.ServletContext log: Exception while dispatching
> incoming RPC call
> com.google.gwt.user.server.rpc.UnexpectedException: Service method 'public
> abstract com.coreywu.uwcompanygraph.client.CompanyGraph
> com.coreywu.uwcompanygraph.client.QueryGraphService.getGraph()' threw an
> unexpected exception: java.security.AccessControlException: access denied
> ("java.io.FilePermission" "\var\uwcompanygraph" "read")
>
[…]
> at
> com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:127)
> at
> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
> at
> com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34)
>
>
You cannot use arbitrary files in AppEngine, so Neo4j doesn't work as-is in
that environment (see
also https://groups.google.com/d/topic/neo4j/QYCUFMRvW1c)
But maybe you just checked (or didn't uncheck) the AppEngine checkbox when
creating your project in your IDE but didn't mean to eventually deploy to
AppEngine?
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