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  1. Jenkins
  2. JENKINS-15494

Uncaught TypeError: Cannot read property 'firstChild' of null

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      Description

      Under some conditions adding a dynamic section to a configuration screen fails with the abovementioned error. In renderOnDemand, c.innerHTML = "<TABLE><TBODY>"+t.responseText+"</TBODY></TABLE>"; succeeds yet immediately afterwards c.firstChild is a HTMLLinkElement rather than the expected HTMLTableElement:

      <link rel="stylesheet" href="/adjuncts/…/lib/form/section_.css" type="text/css">
      

      The second child is indeed the expected table, so something inserted this link element at the top.

      Uri Scheiner says this occurred for him due to <f:advanced> under a separated <f:section>, yet it seems to occur under other circumstances as well.

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            • Assignee:
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              Reporter:
              jglick Jesse Glick
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