The output from the javadoc task used to look like this :
Building index for all the packages and classes...
Building index for all classes...
Generating /scratch/aime/view_storage/aime_ODI_MAIN_GENERIC_build_slaveView/odi/src/javadev/build/javadoc/ODIJA/help-doc.html...
100 errors
100 warnings
And now it looks like this, and index.html is not generated.
Generating /scratch/aime/view_storage/aime_ODI_MAIN_GENERIC_build_slaveView/odi/src/javadev/build/javadoc/ODIJA/serialized-form.html...
100 errors
100 warnings
There are many javadoc errors reported, but I diffed them from the two runs and they are identical except for the last few lines shown here.
It sounds like index.html, overview-summary.html is not generated , but there is no stack trace as mentioned in Bug ID: JDK-6442982 Javadoc crashes with ClasscastException when processing annotations, and I would expect the error messages to be different between a successful execution and failed execution.