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Type:
Bug
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Status: Closed (View Workflow)
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Priority:
Major
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Resolution: Fixed
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Affects Version/s: 12.5.21
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Component/s: Task
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Labels:
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Environment:
The original User Agent of the student:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:66.0) Gecko/20100101 Firefox/66.0
We were able to reproduce this on Linux, the original problematic Filename could be related to OSX though.
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Funded by:
a student managed to replace the personal_xxx assignment folder in a gta dropbox with a file by just uploading a specially named file. the filename does not show up in the log line ("... Submit of 4466999514: upload document")
What exact filename the student used to trigger the issue is unknown yet, but we were able to reproduce the issue with the following steps:
$ touch \"\ \"
upload this file to an assignment with no uploads yet
the users dropbox directory is now an empty file
Submitting this solution results in an exception (see also testing.frentix.com/test6):
Error code: N6-E73 Last business path: https://testing.frentix.com/test6/url/RepositoryEntry/127336456 Business path: https://testing.frentix.com/test6/url/RepositoryEntry/127336456/CourseNode/99547278808892 Date and time: 4/25/2019 4:57 PM --------------------------------------------- <dispatchinfo> <componentinfo> <compname>run.submit.button</compname> <compclass>org.olat.core.gui.components.link.Link</compclass> <extendedinfo>n/a</extendedinfo> <event> <class>org.olat.core.gui.control.Event</class> <command>submit</command> <tostring>com:submit,org.olat.core.gui.control.Event@cadc4037</tostring> </event> </componentinfo> <controllerinfo> <controllername>org.olat.course.nodes.gta.ui.GTAParticipantController</controllername> <controllername>org.olat.course.nodes.gta.ui.GTARunController</controllername> <controllername>org.olat.course.run.RunMainController</controllername> <controllername>org.olat.course.run.CourseRuntimeController</controllername> <controllername>org.olat.core.commons.fullWebApp.BaseFullWebappController</controllername> </controllerinfo> </dispatchinfo> Throwable: java.lang.NullPointerException message:null,java.lang.NullPointerException at org.olat.course.nodes.gta.ui.GTAParticipantController.doConfirmSubmit(GTAParticipantController.java:324) at org.olat.course.nodes.gta.ui.GTAParticipantController.event(GTAParticipantController.java:718) at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:202) at org.olat.core.gui.components.AbstractComponent$1.run(AbstractComponent.java:240) at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108) at org.olat.core.gui.components.AbstractComponent.fireEvent(AbstractComponent.java:238) at org.olat.core.gui.components.link.Link.dispatch(Link.java:200) at org.olat.core.gui.components.link.Link.doDispatchRequest(Link.java:187) at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193) at org.olat.core.gui.components.Window.doDispatchToComponent(Window.java:1193)
