Oracle BI 12c获取oracle.xdo.template.ProcessCancelledException：FOProcessor在XX秒后被取消

Question

我得到

oracle.xdo.template.ProcessCancelledException: FOProcessor was cancelled after 
XX seconds while running a report through web service in Oracle BI Publisher 12c. 

该错误作为 SOAP错误字符串返回。有人听说过吗？