https://community.qlik.com/t5/Talend-Studio/Hash-is-not-initialized/m-p/2466580#M140884 <P>Hi everyone, I know this might have been asked a lot, but none of the solutions seem to work.</P> <P>In my talend job I have the following</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="rt97_0-1719644496623.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/168664iDFDA88F3D5C69856/image-size/medium?v=v2&amp;px=400" role="button" title="rt97_0-1719644496623.png" alt="rt97_0-1719644496623.png" /></span></P> <P>The readmessage component reads from the cachemessage component. however sometimes I get tHashInput_1 The hash is not initialized : The hash must exist before you read from it</P> <P>Do you have any idea how can I add an initialization check?</P> Sat, 29 Jun 2024 07:03:49 GMT rt97 2024-06-29T07:03:49Z https://community.qlik.com/t5/Talend-Studio/Hash-is-not-initialized/m-p/2466580#M140884 <P>Hi everyone, I know this might have been asked a lot, but none of the solutions seem to work.</P> <P>In my talend job I have the following</P> <P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="rt97_0-1719644496623.png" style="width: 400px;"><img src="https://community.qlik.com/t5/image/serverpage/image-id/168664iDFDA88F3D5C69856/image-size/medium?v=v2&amp;px=400" role="button" title="rt97_0-1719644496623.png" alt="rt97_0-1719644496623.png" /></span></P> <P>The readmessage component reads from the cachemessage component. however sometimes I get tHashInput_1 The hash is not initialized : The hash must exist before you read from it</P> <P>Do you have any idea how can I add an initialization check?</P> Sat, 29 Jun 2024 07:03:49 GMT https://community.qlik.com/t5/Talend-Studio/Hash-is-not-initialized/m-p/2466580#M140884 rt97 2024-06-29T07:03:49Z https://community.qlik.com/t5/Talend-Studio/Hash-is-not-initialized/m-p/2466663#M140886 <P>Hello,</P> <P>This normally happens when you are trying to read a tHashInput which do not have any content even though you have mapped it to a tHashOutput.</P> <P>You are able to add a tLogrow before each tHashOutput to verify whether tHashOutput is getting right data or I will connect a tFixedFlowInput with the correct schema and zero rows to a Hash and then link all others to that to avoid this problem.</P> <P>Hope it helps.</P> <P>Best regards</P> <P>Sabrina</P> <P>&nbsp;</P> <P>&nbsp;</P> Mon, 01 Jul 2024 02:58:53 GMT https://community.qlik.com/t5/Talend-Studio/Hash-is-not-initialized/m-p/2466663#M140886 Xiaodi_Shi 2024-07-01T02:58:53Z