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java.lang.NullPointerException: null	at com.manydesigns.portofino.sync.DatabaseSyncer.syncColumns(DatabaseSyncer.java:466)	at com.manydesigns.portofino.sync.DatabaseSyncer.syncTables(DatabaseSyncer.java:428)	at com.manydesigns.portofino.sync.DatabaseSyncer.syncSchema(DatabaseSyncer.java:138)	at com.manydesigns.portofino.sync.DatabaseSyncer.syncDatabase(DatabaseSyncer.java:124)	at com.manydesigns.portofino.actions.admin.appwizard.ApplicationWizard.configureModelSchemas(ApplicationWizard.java:437)	at com.manydesigns.portofino.actions.admin.appwizard.ApplicationWizard.selectSchemas(ApplicationWizard.java:374)	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:622)	at net.sourceforge.stripes.controller.DispatcherHelper$6.intercept(DispatcherHelper.java:456)	at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:158)	at com.manydesigns.portofino.interceptors.GuardsInterceptor.intercept(GuardsInterceptor.java:61)	at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)	at net.sourceforge.stripes.controller.BeforeAfterMethodInterceptor.intercept(BeforeAfterMethodInterceptor.java:113)	at net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)	at net.sourceforge.stripes.controller.ExecutionContext.wrap(ExecutionContext.java:74)	at net.sourceforge.stripes.controller.DispatcherHelper.invokeEventHandler(DispatcherHelper.java:454)	at net.sourceforge.stripes.controller.DispatcherServlet.invokeEventHandler(DispatcherServlet.java:278)	at net.sourceforge.stripes.controller.DispatcherServlet.service(DispatcherServlet.java:160)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:731)	at net.sourceforge.stripes.controller.DynamicMappingFilter$2.doFilter(DynamicMappingFilter.java:453)	at net.sourceforge.stripes.controller.StripesFilter.doFilter(StripesFilter.java:260)	at net.sourceforge.stripes.controller.DynamicMappingFilter.doFilter(DynamicMappingFilter.java:440)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at com.manydesigns.portofino.servlets.I18nFilter.doFilter(I18nFilter.java:60)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at net.sourceforge.stripes.controller.StripesFilter.doFilter(StripesFilter.java:260)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at com.manydesigns.portofino.servlets.CleanupFilter.doFilter(CleanupFilter.java:47)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at com.manydesigns.portofino.servlets.DispatcherFilter.doFilter(DispatcherFilter.java:61)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at org.apache.shiro.web.servlet.AbstractShiroFilter.executeChain(AbstractShiroFilter.java:449)	at org.apache.shiro.web.servlet.AbstractShiroFilter$1.call(AbstractShiroFilter.java:365)	at org.apache.shiro.subject.support.SubjectCallable.doCall(SubjectCallable.java:90)	at org.apache.shiro.subject.support.SubjectCallable.call(SubjectCallable.java:83)	at org.apache.shiro.subject.support.DelegatingSubject.execute(DelegatingSubject.java:383)	at org.apache.shiro.web.servlet.AbstractShiroFilter.doFilterInternal(AbstractShiroFilter.java:362)	at org.apache.shiro.web.servlet.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:125)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at com.manydesigns.elements.servlet.ElementsFilter.doHttpFilter(ElementsFilter.java:132)	at com.manydesigns.elements.servlet.ElementsFilter.doFilter(ElementsFilter.java:83)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:220)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:170)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:950)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:423)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1079)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:620)	at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Thread.java:701)