If you are using JDeveloper 12.2.1.1 or 12.2.1.2, probably you run into transient expression compilation infinite loop issue. Infinite loop happens when you open ADF BC project and navigate to VO, which contains Groovy expressions. JDeveloper starts to print repeating message in the log - compiling TransientExpression and soon at some point JDeveloper window closing down without any feedback:
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For those of you, who are not aware - there is a patch for this issue. Patch can be downloaded from Oracle Support, search for Patch: 25218838 (there is one for JDEV 12.2.1.2 and another one for JDEV 12.2.1.1):
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If its your first time applying Oracle patch - no worries, process is very simple and smooth. Extract download patch zip archive first. Next setup ORACLE_HOME environment variable, point to root folder of JDEV install:
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Once environment variable is set, run OPatch by executing opatch apply from the directory where patch archive was extracted. You can reference OPatch by direct path:
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Hopefully fix provided by this patch will be included into next JDEV version by default.
For those of you, who are not aware - there is a patch for this issue. Patch can be downloaded from Oracle Support, search for Patch: 25218838 (there is one for JDEV 12.2.1.2 and another one for JDEV 12.2.1.1):
If its your first time applying Oracle patch - no worries, process is very simple and smooth. Extract download patch zip archive first. Next setup ORACLE_HOME environment variable, point to root folder of JDEV install:
Once environment variable is set, run OPatch by executing opatch apply from the directory where patch archive was extracted. You can reference OPatch by direct path:
Hopefully fix provided by this patch will be included into next JDEV version by default.