Activiti uploading file issue

Kinescope — Fri, 12 Dec 2025 07:51:30 GMT

I have an error when trying to upload a file on a simple form.
GUI says "an error occured" and looking at the ajax request, I get the error below.
I'm sure it's just a simple thing I'm missed in the configuration but I can't find it.
Thanks in advance for your help.

État HTTP 500 – Internal Server Error
Type Rapport d''exception
message Request processing failed; nested exception is java.lang.NullPointerException
description Le serveur a rencontré une erreur interne qui l''a empêché de satisfaire la requête.
exception
org.springframework.web.util.NestedServletException: Request processing failed; nested exception is java.lang.NullPointerException
   org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:978)
   org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
   org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
   org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:149)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:168)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
   org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
   org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
   org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
   org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
   org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)

cause mère

java.lang.NullPointerException
   org.activiti.content.storage.fs.FileSystemContentStorage.getMaxChild(FileSystemContentStorage.java:306)
   org.activiti.content.storage.fs.FileSystemContentStorage.getFirstAvailableFolder(FileSystemContentStorage.java:233)
   org.activiti.content.storage.fs.FileSystemContentStorage.fetchNewId(FileSystemContentStorage.java:185)
   org.activiti.content.storage.fs.FileSystemContentStorage.createContentObject(FileSystemContentStorage.java:70)
   org.activiti.app.service.runtime.RelatedContentService.createRelatedContent(RelatedContentService.java:124)
   org.activiti.app.service.runtime.RelatedContentService.createRelatedContent(RelatedContentService.java:99)
   org.activiti.app.service.runtime.RelatedContentService$$FastClassBySpringCGLIB$$ccce3ee6.invoke(<generated>)
   org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204)
   org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:717)
   org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
   org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:99)
   org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:281)
   org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:96)
   org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179)
   org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:653)
   org.activiti.app.service.runtime.RelatedContentService$$EnhancerBySpringCGLIB$$1db7e0f5.createRelatedContent(<generated>)
   org.activiti.app.rest.runtime.AbstractRelatedContentResource.uploadFile(AbstractRelatedContentResource.java:281)
   org.activiti.app.rest.runtime.AbstractRelatedContentResource.createTemporaryRawRelatedContent(AbstractRelatedContentResource.java:148)
   org.activiti.app.rest.runtime.RelatedContentResource.createTemporaryRawRelatedContent(RelatedContentResource.java:118)
   sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
   sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   java.lang.reflect.Method.invoke(Method.java:498)
   org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:221)
   org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:137)
   org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:110)
   org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:776)
   org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:705)
   org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:85)
   org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:959)
   org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:893)
   org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:966)
   org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:868)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:661)
   org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:842)
   javax.servlet.http.HttpServlet.service(HttpServlet.java:742)
   org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:316)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:126)
   org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:90)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:114)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:122)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:111)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.rememberme.RememberMeAuthenticationFilter.doFilter(RememberMeAuthenticationFilter.java:149)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:168)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:48)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:205)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:120)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.header.HeaderWriterFilter.doFilterInternal(HeaderWriterFilter.java:64)
   org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:91)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:53)
   org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107)
   org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330)
   org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:213)
   org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:176)
   org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:344)
   org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:261)

Re: Activiti uploading file issue

roberto_gamiz — Tue, 30 Dec 2025 19:27:32 GMT

Hello,

Are you using some versión of Activiti BPM (https://www.activiti.org/) software ?

If this is the case this forum its not the correct place to make your question. Although APS and Activiti share the same origin, they are not the same product.

In any case, reading your log messages is seems that you have somo I/O problem in your instalation. Check if your app have permission to write on disk.

Regards

topic Activiti uploading file issue in Alfresco Forum

Activiti uploading file issue

Re: Activiti uploading file issue