Data Mapper in JDeveloper no working in Linux

Hello,
I am working through the SOADEMO and have reached 4.9.3 - 8.(e) where I am trying to use the data mapper but when I click and drag imp1:First to imp1:fname I do not see the line appear when moving the cursor accross the screen as I have seen it under Windows? I am unable to join the two fields.
What am I doing wrong? I have been scratching my head and cannot see my mistake.
Please highlight I mistake?
Thanks in advance.
Jon

Hello,
I found a workaround to the problem :-) you need to close JDeveloper and relaunch it. The linking of the two sides is then possible.
Jon

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nsidev wrote:
While I would agree in part, it appears from the message that the trigger is requiring the Transaction Service to be enabled on both the host and target. The point of this post is to determine what, if anything, I need to do on my Oracle DB to allow the trigger to complete successfully.
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I've been reading the "Patterns of Enterprise
Application Architecture" book and it has opened my
mind to a lot of different designs.Usually the worst time to apply the stuff, because you're looking to use it before you really understand. But there must be a first time for everything. Great book, though.
I'm trying to design a large accounting system in OO.Wow, is this for personal education or a paid gig? I hope it's the former. If not, make sure that "build versus buy" is part of the decision. Would anybody write an accounting package in this day and age, with SAP, Oracle, QuickBooks, Great Plains, and a thousand others ready to buy?
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When I'm using a data mapper and I select all from a
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Hello,
I found a workaround to the problem :-) you need to close JDeveloper and relaunch it. The linking of the two sides is then possible.
Jon

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