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View Code? Open in Web Editor NEWA Cloud Native Buildpack for riff java functions
License: Apache License 2.0
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java-function-buildpack's Issues
Investigate support for targetting Maven module
Not sure whether that works or not at this point.
Unable to build plain Java app that uses Maven's shade plugin
I have a plain Java function that has a required dependency and to include that I use the shade plugin for Maven.
The build fails with the following error:
unable to determine built artifact in /workspace/app/target, candidates: [/workspace/app/target/capitalize-java-0.0.1.jar /workspace/app/target/original-capitalize-java-0.0.1.jar]
2018/12/07 00:10:47 Error: failed to : exit status 103
Error: failed with status code: 7
Support targetting a Gradle subproject
This currently fails if part of the mandatory subproject configuration is set by the parent project.
Tweak command line and update invoker to Spring Boot 2.2
Default command line defined in this buildpack:
$ FUNCTION_URI=file:///workspace java -cp /layers/io.projectriff.java/riff-invoker-java/ org.springframework.boot.loader.JarLauncher
...
INFO: Started application in 4.117 seconds (JVM running for 5.107)
Tweaked:
$ FUNCTION_URI=file:///workspace java -Dspring.jmx.enabled=false -Dspring.config.location=file:///layers/io.projectriff.java/riff-invoker-java/BOOT-INF/classes/application.properties -noverify -XX:TieredStopAtLevel=1 -cp /layers/io.projectriff.java/riff-invoker-java:/layers/io.projectriff.java/riff-invoker-java/BOOT-INF/classes:`echo /layers/io.projectriff.java/riff-invoker-java/BOOT-INF/lib/*.jar | tr ' ' ':'` io.projectriff.invoker.JavaFunctionInvokerApplication
[2019-09-04 13:02:43.201] - 513 INFO [Thread-1] --- org.springframework.boot.SpringApplication: Started application in 1.538 seconds (JVM running for 1.935)
And updated to Spring Boot 2.2:
$ FUNCTION_URI=file:///workspace java -Dspring.main.lazy-initialization=true -Dspring.jmx.enabled=false -Dspring.config.location=file:///layers/io.projectriff.java/riff-invoker-java/BOOT-INF/classes/application.properties -noverify -XX:TieredStopAtLevel=1 -cp $CP io.projectriff.invoker.JavaFunctionInvokerApplication
...
[2019-09-04 12:54:52.147] - 446 INFO [Thread-1] --- org.springframework.boot.SpringApplication: Started application in 1.114 seconds (JVM running for 1.514)
It would probably be faster with Java 8. Maybe that ought to be an option (since it is supported with the openjdk buildpack it probably already is if you know how to tweak the build)?
Most of the boost comes from -noverify which the JVM purists don't like. We could also probably remove the -noverify for the sake of cleanliness if we used JDK 11 and App CDS (expect similar cold start times). Requires more munging of the invoker artifact (and maybe should be a feature of the openjdk build pack).
Permission denied when creating a Spring Boot based function
When i try to create a Spring Boot function i get the following error:
Dependabot can't parse your go.mod
Dependabot couldn't parse the go.mod found at /go.mod.
The error Dependabot encountered was:
go: github.com/cloudfoundry/[email protected] requires
cloud.google.com/[email protected] requires
honnef.co/go/[email protected] requires
github.com/rogpeppe/[email protected] requires
gopkg.in/[email protected]: reading gopkg.in/errgo.v2/go.mod at revision v2.1.0: unknown revision v2.1.0
Documentation should reflect $JAVA_OPTS being an input
Currently, the buildpack takes ${JAVA_OPTS} as an input, however the documentation and the buildpack configuration metadata does not mention it. These things should be updated to reflect reality.
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