Cause
org.apache.jasper.JasperException: Unable to compile class for JSP: An error occurred at line: [61] in the jsp file: [/admin/findspaceattachments.jsp] The method getDirectoryForSpace(Optional<Long>) in the type HierarchicalMultiStreamAttachmentDataFileSystem is not applicable for the arguments (Option<Long>) 58: AttachmentDataFileSystem delegateAttachmentDataFileSystem = ((TrackingAttachmentDataFileSystem) attachmentDataFileSystem).getDelegate(); 59: if (delegateAttachmentDataFileSystem instanceof HierarchicalMultiStreamAttachmentDataFileSystem) 60: { 61: spaceDir = ((HierarchicalMultiStreamAttachmentDataFileSystem) delegateAttachmentDataFileSystem).getDirectoryForSpace(Option.some(space.getId())); 62: if (spaceDir != null) 63: { 64: %> An error occurred at line: [61] in the jsp file: [/admin/findspaceattachments.jsp] Type mismatch: cannot convert from Option<Long> to Optional<Long> 58: AttachmentDataFileSystem delegateAttachmentDataFileSystem = ((TrackingAttachmentDataFileSystem) attachmentDataFileSystem).getDelegate(); 59: if (delegateAttachmentDataFileSystem instanceof HierarchicalMultiStreamAttachmentDataFileSystem) 60: { 61: spaceDir = ((HierarchicalMultiStreamAttachmentDataFileSystem) delegateAttachmentDataFileSystem).getDirectoryForSpace(Option.some(space.getId())); 62: if (spaceDir != null) 63: { 64: %> Stacktrace:
    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)

Stack Trace:[hide]
org.apache.jasper.JasperException: Unable to compile class for JSP: 

An error occurred at line: [61] in the jsp file: [/admin/findspaceattachments.jsp]
The method getDirectoryForSpace(Optional<Long>) in the type HierarchicalMultiStreamAttachmentDataFileSystem is not applicable for the arguments (Option<Long>)
58:                         AttachmentDataFileSystem delegateAttachmentDataFileSystem = ((TrackingAttachmentDataFileSystem) attachmentDataFileSystem).getDelegate();
59:                         if (delegateAttachmentDataFileSystem instanceof HierarchicalMultiStreamAttachmentDataFileSystem)
60:                         {
61:                             spaceDir = ((HierarchicalMultiStreamAttachmentDataFileSystem) delegateAttachmentDataFileSystem).getDirectoryForSpace(Option.some(space.getId()));
62:                             if (spaceDir != null)
63:                             {
64: %>


An error occurred at line: [61] in the jsp file: [/admin/findspaceattachments.jsp]
Type mismatch: cannot convert from Option<Long> to Optional<Long>
58:                         AttachmentDataFileSystem delegateAttachmentDataFileSystem = ((TrackingAttachmentDataFileSystem) attachmentDataFileSystem).getDelegate();
59:                         if (delegateAttachmentDataFileSystem instanceof HierarchicalMultiStreamAttachmentDataFileSystem)
60:                         {
61:                             spaceDir = ((HierarchicalMultiStreamAttachmentDataFileSystem) delegateAttachmentDataFileSystem).getDirectoryForSpace(Option.some(space.getId()));
62:                             if (spaceDir != null)
63:                             {
64: %>


Stacktrace:
    at org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:103)
    at org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:213)