This commit adds a check to the support code for the Gradle plugin
bootBuildImage task to ensure that the jar file that will be passed
to a builder is readable and has a valid directory. This prevents a
situation where the jar file cannot be read because it is prepended
with a launch script, and the builder does not receive any files to
process.
Notes have also been added to the Gradle plugin documentation to warn
against using a bootJar launchScript configuration and bootBuildImage
together, as well as caveats about launchScript that match the Maven
plugin documentation.
Fixes gh-22223
Prior to this commit, OnClassCondition started a thread even if the number of
passed autoconfiguration class candidates never exceeded 1. This commit only
starts a thread if there is actually work to split in half.
See gh-22294
Previously, regular bean definitions for configuration properties classes
that attempt to use constructor binding were detected in a bean factory
post-processor, ConfigurationPropertiesBeanDefinitionValidator. This
validation examined every standard bean definition and failed if it
encountered one for a class that should have used constructor binding.
There were two downsides to this approach:
1. Reflection used to identify if the bean should be using constructor
binding triggered class loading that could prevent subsequent
instrumentation by a load-time weaver.
2. The cost of the validation was incurred when there was no
misconfiguration to report.
This commit replaces ConfigurationPropertiesBeanDefinitionValidator
with a failure analyzer. This failure analyzer only runs once a failure
has occurred and the application context is not going to complete
refresh. This avoids causing problems with subsequent instrumentation
and also avoids the cost of validation and error reporting unless there
is an error.
Fixes gh-20798
Andy Wilkinson
Stephane Nicoll
Sebastiaan Fernandez
dreis2211
Scott Frederick