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For more information and to get started see the Committers Roles and Responsibilities page.
How to Send in Your Contributions
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if you only want to make a patch file of the entity/ sub-directory and the ShipmentServices.xml file.
For consistency, please make your patch files from the OFBIZ_HOME directory (usually ofbiz/) and with relative file paths. Your patch file should have file names like:
applications/party/widget/partymgr/PartyScreens.xml
framework/webtools/config/WebtoolsErrorUiLabels.properties
and should not have file names like:
C:\myfiles\ofbiz\applications\party\widget\partymgr\PartyScreens.xml
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This must always be done before submitting a patch otherwise the patch just won't work. If your local sandbox is checked out from a separate SVN repository following the vendor branch pattern instead of directly from the OFBiz SVN, then you should do a vendor branch update, merge, and then local update in your sandbox before doing the svn diff to create the patch.
Next upload your patch file to your JIRA issue.
Finally, if there are several patch files already on an issue, please write a comment about which file should be used.