The UIViewRoot is null ADF_FACE-30179

java jsf oracle-adf jdeveloper weblogic12c

10,861

Solution 1

This Error occurs for at least 2 reasons.

One or more errors about EL (Expresive language)
Calling a page which no more exists
A booken TASK FLOW bind
cpx files not found
Binding's file contains paths which are no more activ

Solution 2

One is missing, which was the issue at my Linux system:
JDeveloper didn't generate the <html> - element,
instead the <f:view> component was listed after <!DOCTYPE html> .
I added it, this resolved my problem. Edited: this issue went with updating to the current JDeveloper version. Invalid database connection can have this impacts too, interestingly.

10,861

Festus Tamakloe

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Updated on June 04, 2022

Comments

Festus Tamakloe almost 2 years

Did someone already face this problem?

ADF_FACES-30179**:For more information, please see the server's error log for an entry beginning with: The UIViewRoot is null. Fatal exception during PhaseId: RESTORE_VIEW 1.

Unfortunately the log file couldn't help me at all.