Question2Replies12Views×Close popoverAbhishek gupta (Abhishekg0292) TD TD CA View ProfileSend Message Abhishekg0292 Member since 2019 10 posts TD Posted: 1 week 1 day agoLast activity: 20 hours 29 minutes agoPosted: 23 Feb 2021 1:03 ESTLast activity: 2 Mar 2021 10:35 EST Pega 8.1 not recognizing java.io.ByteArrayInputStream and java.io.ByteArrayOutputStreamI created a function, which utilized java.io.ByteArrayInputStream and java.io.ByteArrayOutputSream but when i try to checkin pega giving an error USING_PAGE_ERR:Using page was not found. Please try again.i dont understand what is the root cause, Pega is not even saving this function. Please suggest if you have experience same with any Java.io.* operations***Edited by Moderator: Pooja Gadige to update product version, *** Pega Platform 8.1 Case Management Technology Services System Architect ×Close popoverFacebookTwitterLinkedinEmail Copy Link Copied! Posted: 20 hours agoPosted: 2 Mar 2021 10:10 EST×Close popoverAbhishek gupta (Abhishekg0292) TD TD CA View ProfileSend MessageAbhishekg0292 TD replied to Abhishekg0292Hi Team, Please help if anyone can provide there inputs. Posted: 20 hours agoPosted: 2 Mar 2021 10:35 EST×Close popoverAngel Hermira (HERMA) PEGA Product Manager, Robotics Pegasystems GB View ProfileSend MessageHERMA PEGA replied to Abhishekg0292@Abhishekg0292 Hi,Did you check that either the class or the library you are using have those classes in the import declaration?I'd need to see the code and declaration to comment on other potential issues.Would you be ok to share?