0038188: Concurrency problem when downloading attachments with attachment methods that downloads temp files

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Summary	0038188: Concurrency problem when downloading attachments with attachment methods that downloads temp files

Revision	2018-03-21 11:29 by caristu
Steps To Reproduce	Artificial test. 0) Install the following module[1] which contains an attachment method which uses temporary files on download. Configure it as the attachment method of the client. 1) Login in Openbravo. Create an attachment in any window. 2) In eclipse, put a breakpoint in this line: https://code.openbravo.com/erp/devel/pi/file/tip/modules/org.openbravo.client.application/src/org/openbravo/client/application/attachment/AttachImplementationManager.java#l267 [^] 3) Download the attachment. Stop at the breakpoint. 4) Login in Openbravo using another browser tab. 5) In eclipse, put a breakpoint in this line: https://code.openbravo.com/erp/devel/pi/file/tip/modules/org.openbravo.client.application/src/org/openbravo/client/application/attachment/AttachImplementationManager.java#l264 [^] 6) Download the same attachment of step 3. Stop at the breakpoint. 7) Continue the thread stopped at step 3 --> The attachment is correctly downloaded 8) Continue with the thread stopped at step 6 --> ERROR. The attachment is not correctly downloaded (an empty file is downloaded) [1] https://code.openbravo.com/erp/pmods/org.openbravo.service.integration.amazon.s3 [^]

Revision	2018-03-21 11:29 by caristu
Steps To Reproduce	Artificial test. 0) Install the following module[1] which contains an attachment method which uses temporary files on download. Configure it as the attachment method of the client. 1) Login in Openbravo. Create an attachment in any window. 2) In eclipse, put a breakpoint in this line: https://code.openbravo.com/erp/devel/pi/file/tip/modules/org.openbravo.client.application/src/org/openbravo/client/application/attachment/AttachImplementationManager.java#l267 [^] 3) Download the attachment. Stop at the breakpoint. 4) Login in Openbravo using another browser tab. 5) In eclipse, put a breakpoint in this line: https://code.openbravo.com/erp/devel/pi/file/tip/modules/org.openbravo.client.application/src/org/openbravo/client/application/attachment/AttachImplementationManager.java#l264 [^] 6) Download the same attachment of step 3. Stop at the breakpoint. 7) Continue the thread stopped at step 3 --> The attachment is correctly downloaded 8) Continue with the thread stopped at step 6 --> ERROR. The attachment is not correctly downloaded (an empty file is downloaded) [1] https://code.openbravo.com/erp/pmods/org.openbravo.service.integration.amazon.s3 [^]