Java Client SDK for jdk 1.8 #329

vinothank95 · 2021-04-21T09:00:13Z

vinothank95
Apr 21, 2021

Is java SDK support jdk 1.8?
we are using jdk 1.8 for our project. Is it possible to compile client sdk with jdk 1.8?

Apr 23, 2021

Hi there, you are trying to compile the code with a Java 8 JDK and that won't work, it requires Java 11 to compile, even to generate code to Java 8 format. However, I have done this for you and there is a 1.3 release of the java-jersey SDK that is java8 compatible. Try swapping the version to 1.3 and let me know how you get on?

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rvowles · 2021-04-21T09:02:42Z

rvowles
Apr 21, 2021
Maintainer

It is compiled with JDK 1.8 to support Android.

0 replies

rvowles · 2021-04-21T09:04:23Z

rvowles
Apr 21, 2021
Maintainer

Let me correct that - the EventSource jersey client is compiled with Java 11. The core and android clients (and their dependent libraries) are all Java 8.

4 replies

vinothank95 Apr 21, 2021
Author

Sorry bit confused... Can i use java jersey client with 1.8? or can i recompile java jersey client with 1.8?

rvowles Apr 21, 2021
Maintainer

I haven't tried recompiling it with Java 8, but I can't see why you couldn't try. If you have the whole stack building, then this line in the pom.xml

io.featurehub.tiles:tile-java:[1.1,2)

should change to

io.featurehub.tiles:tile-java8:[1.1,2)

vinothank95 Apr 21, 2021
Author

Thanks for your support. I am getting below error while compiling core with java 1.8

[WARNING]
[WARNING] Some problems were encountered while building the effective model for io.featurehub.sdk:java-client-core:jar:1.4-SNAPSHOT
[WARNING] 'build.plugins.plugin.version' for org.codehaus.mojo:build-helper-maven-plugin is missing. @ line 155, column 15
[WARNING]
[WARNING] It is highly recommended to fix these problems because they threaten the stability of your build.
[WARNING]
[WARNING] For this reason, future Maven versions might no longer support building such malformed projects.
[WARNING]
[INFO] gitflow-incremental-builder 3.12.0 starting...
[INFO] ------------------------------------------------------------------------
[INFO] Building single project (without any adjustment): java-client-core
[INFO] gitflow-incremental-builder exiting...
[INFO] Downloading from : https://repo.maven.apache.org/maven2/io/featurehub/tiles/tile-java8/maven-metadata.xml
[INFO] Downloading from : https://repo.maven.apache.org/maven2/io/featurehub/tiles/tile-java8/[1.1,2)/tile-java8-[1.1,2).xml
[ERROR] Missing:
[ERROR] ----------
[ERROR] 1) io.featurehub.tiles:tile-java8:xml:[1.1,2)
[ERROR]
[ERROR] Try downloading the file manually from the project website.
[ERROR]
[ERROR] Then, install it using the command:
[ERROR] mvn install:install-file -DgroupId=io.featurehub.tiles -DartifactId=tile-java8 -Dversion=[1.1,2) -Dpackaging=xml -Dfile=/path/to/file
[ERROR]
[ERROR] Alternatively, if you host your own repository you can deploy the file there:
[ERROR] mvn deploy:deploy-file -DgroupId=io.featurehub.tiles -DartifactId=tile-java8 -Dversion=[1.1,2) -Dpackaging=xml -Dfile=/path/to/file -Durl=[url] -DrepositoryId=[id]
[ERROR]
[ERROR] ----------
[ERROR] 1 required artifact is missing.
[ERROR]
[ERROR] for artifact:
[ERROR] io.featurehub.tiles:tile-java8:xml:[1.1,2)
[ERROR]
[ERROR] from the specified remote repositories:
[ERROR] central (https://repo.maven.apache.org/maven2, releases=true, snapshots=false)
[ERROR] -> [Help 1]
[ERROR]
[ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
[ERROR] Re-run Maven using the -X switch to enable full debug logging.
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MavenExecutionException

vinothank95 Apr 21, 2021
Author

and getting below error also

Caused by: java.lang.UnsupportedClassVersionError: com/google/googlejavaformat/java/FormatterException has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

ava.util.ServiceConfigurationError: org.openapitools.codegen.CodegenConfig: Provider cd.connect.openapi.Jersey2V3ApiGenerator could not be instantiated
at java.util.ServiceLoader.fail(ServiceLoader.java:232)
at java.util.ServiceLoader.access$100(ServiceLoader.java:185)
at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:384)
at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404)
at java.util.ServiceLoader$1.next(ServiceLoader.java:480)
at org.openapitools.codegen.CodegenConfigLoader.forName(CodegenConfigLoader.java:36)
at org.openapitools.codegen.config.CodegenConfigurator.toClientOptInput(CodegenConfigurator.java:528)
at org.openapitools.codegen.plugin.CodeGenMojo.execute(CodeGenMojo.java:660)
at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
Caused by: java.lang.UnsupportedClassVersionError: com/google/googlejavaformat/java/FormatterException has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0

rvowles · 2021-04-21T20:30:45Z

rvowles
Apr 21, 2021
Maintainer

Hi there, could you confirm you followed this first up?

https://docs.featurehub.io/developers.html

1 reply

vinothank95 Apr 23, 2021
Author

Hi, i did . but i need java-jersey client sdk compatible with jdk 1.8

rvowles · 2021-04-23T21:01:40Z

rvowles
Apr 23, 2021
Maintainer

Hi there, you are trying to compile the code with a Java 8 JDK and that won't work, it requires Java 11 to compile, even to generate code to Java 8 format. However, I have done this for you and there is a 1.3 release of the java-jersey SDK that is java8 compatible. Try swapping the version to 1.3 and let me know how you get on?

…

On Fri, Apr 23, 2021 at 7:35 PM vinothank95 ***@***.***> wrote: Hi, i did . but i need java-jersey client sdk compatible with jdk 1.8 — You are receiving this because you modified the open/close state. Reply to this email directly, view it on GitHub <#329 (reply in thread)>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/AAANTWDMAVYER4CHSKL6HF3TKEPN7ANCNFSM43J6ES3A> .

-- --- Richard Vowles, Full stack - from Kubernetes, through Node & Java, Web and Mobile development in Flutter - software developer for hire! ph: +64275467747

4 replies

vinothank95 Apr 25, 2021
Author

Thanks for you help and support. I try and update you soon.

vinothank95 Apr 25, 2021
Author

I have already built java-jersey sdk 1.2 for java 8. i will try 1.3 which u did. thx

vinothank95 Apr 26, 2021
Author

Hi, its compiled now. thanks for ur support again

rvowles Apr 27, 2021
Maintainer

No problem. I made sure the new 2.1 SDK which we released yesterday is also Java 8 compliant.

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Java Client SDK for jdk 1.8 #329

vinothank95 Apr 21, 2021

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