Sounds like a simple file system permission issue, make sure the user which runs your GWT app has read and write permissions on: \var\uwcompanygraph > Am 19.02.2015 um 04:49 schrieb Corey Wu <[email protected]>: > > Hi, > > Anyone have experience with using embedded Neo4j in GWT? I get an > AccessControlException when I try to create the embedded database. > > Here's the line I use to create my database in my ServiceImpl file: > > GraphDatabaseService graphDb = new > GraphDatabaseFactory().newEmbeddedDatabase("/var/uwcompanygraph"); > > Here's the 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.gwt.user.server.rpc.RPC.encodeResponseForFailure(RPC.java:389) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:579) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processCall(RemoteServiceServlet.java:265) > at > com.google.gwt.user.server.rpc.RemoteServiceServlet.processPost(RemoteServiceServlet.java:305) > at > com.google.gwt.user.server.rpc.AbstractRemoteServiceServlet.doPost(AbstractRemoteServiceServlet.java:62) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:637) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:717) > at > org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166) > at > com.google.appengine.api.socket.dev.DevSocketFilter.doFilter(DevSocketFilter.java:74) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.ResponseRewriterFilter.doFilter(ResponseRewriterFilter.java:127) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.HeaderVerificationFilter.doFilter(HeaderVerificationFilter.java:34) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.api.blobstore.dev.ServeBlobFilter.doFilter(ServeBlobFilter.java:63) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.apphosting.utils.servlet.TransactionCleanupFilter.doFilter(TransactionCleanupFilter.java:43) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.StaticFileFilter.doFilter(StaticFileFilter.java:125) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectRequest(DevAppServerModulesFilter.java:366) > at > com.google.appengine.tools.development.DevAppServerModulesFilter.doDirectModuleRequest(DevAppServerModulesFilter.java:349) > at > com.google.appengine.tools.development.DevAppServerModulesFilter.doFilter(DevAppServerModulesFilter.java:116) > at > org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157) > at > org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388) > at > org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216) > at > org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182) > at > org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765) > at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:418) > at > com.google.appengine.tools.development.DevAppEngineWebAppContext.handle(DevAppEngineWebAppContext.java:98) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at > com.google.appengine.tools.development.JettyContainerService$ApiProxyHandler.handle(JettyContainerService.java:491) > at > org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152) > at org.mortbay.jetty.Server.handle(Server.java:326) > at > org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542) > at > org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938) > at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755) > at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218) > at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404) > at > org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409) > at > org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582) > Caused by: java.security.AccessControlException: access denied > ("java.io.FilePermission" "\var\uwcompanygraph" "read") > at > java.security.AccessControlContext.checkPermission(AccessControlContext.java:372) > at > java.security.AccessController.checkPermission(AccessController.java:559) > at java.lang.SecurityManager.checkPermission(SecurityManager.java:549) > at > com.google.appengine.tools.development.DevAppServerFactory$CustomSecurityManager.checkPermission(DevAppServerFactory.java:429) > at java.lang.SecurityManager.checkRead(SecurityManager.java:888) > at java.io.File.exists(File.java:808) > at > org.neo4j.kernel.DefaultFileSystemAbstraction.mkdirs(DefaultFileSystemAbstraction.java:111) > at > org.neo4j.kernel.impl.util.StringLogger$ActualStringLogger.<init>(StringLogger.java:582) > at > org.neo4j.kernel.impl.util.StringLogger$ActualStringLogger.<init>(StringLogger.java:560) > at > org.neo4j.kernel.impl.util.StringLogger.loggerDirectory(StringLogger.java:109) > at > org.neo4j.kernel.logging.ClassicLoggingService.<init>(ClassicLoggingService.java:41) > at > org.neo4j.kernel.logging.ClassicLoggingService.<init>(ClassicLoggingService.java:36) > at > org.neo4j.kernel.logging.LogbackWeakDependency$1.apply(LogbackWeakDependency.java:41) > at > org.neo4j.kernel.logging.LogbackWeakDependency$1.apply(LogbackWeakDependency.java:37) > at > org.neo4j.kernel.logging.LogbackWeakDependency.tryLoadLogbackService(LogbackWeakDependency.java:98) > at > org.neo4j.kernel.logging.LogbackWeakDependency.tryLoadLogbackService(LogbackWeakDependency.java:103) > at > org.neo4j.kernel.logging.DefaultLogging.createDefaultLogging(DefaultLogging.java:42) > at > org.neo4j.kernel.InternalAbstractGraphDatabase.createLogging(InternalAbstractGraphDatabase.java:979) > at > org.neo4j.kernel.InternalAbstractGraphDatabase.create(InternalAbstractGraphDatabase.java:442) > at > org.neo4j.kernel.InternalAbstractGraphDatabase.run(InternalAbstractGraphDatabase.java:336) > at > org.neo4j.kernel.EmbeddedGraphDatabase.<init>(EmbeddedGraphDatabase.java:59) > at > org.neo4j.graphdb.factory.GraphDatabaseFactory$1.newDatabase(GraphDatabaseFactory.java:91) > at > org.neo4j.graphdb.factory.GraphDatabaseBuilder.newGraphDatabase(GraphDatabaseBuilder.java:181) > at > org.neo4j.graphdb.factory.GraphDatabaseFactory.newEmbeddedDatabase(GraphDatabaseFactory.java:71) > at > com.coreywu.uwcompanygraph.server.QueryGraphServiceImpl.getGraph(QueryGraphServiceImpl.java:26) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > com.google.appengine.tools.development.agent.runtime.Runtime.invoke(Runtime.java:115) > at > com.google.gwt.user.server.rpc.RPC.invokeAndEncodeResponse(RPC.java:561) > ... 40 more > > Any help would be greatly appreciated! > > > -- > You received this message because you are subscribed to the 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