After fixing all syntax errors, compiler revealed:
[[1;31mERROR[m]
/C:/d/git/external/camel/components/camel-azure/camel-azure-files/src/main/java/org/apache/camel/component/file/azure/FilesEndpoint.java:[22,24]
cannot access org.apache.camel.Category
bad class file:
C:\Users\petr\.m2\repository\org\apache\camel\camel-api\4.0.0-SNAPSHOT\camel-api-4.0.0-SNAPSHOT.jar(/org/apache/camel/Category.class)
class file has wrong version 61.0, should be 55.0
Please remove or make sure it appears in the correct subdirectory of
the classpath.
i.e. the camel api 4.x was compiled to target Java 17.
I guess I have two options:
A: retry in one of 3.{15,16,17,18,19}.x branches
B: ask for installation of Java 17 tool chain and continue on main
Cc.
--
Mr. Petr Kužel, Software Engineer
Eurofins International Support Services s.à r.l.
Val Fleuri 23
L-1526 LUXEMBOURG
-----Original Message-----
From: Petr Kuzel <[email protected]>
Sent: Friday, May 12, 2023 12:02
To: [email protected]
Subject: RE: What is the recommended way to depend on Java 11, pls?
CAUTION: EXTERNAL EMAIL - Sent from an email domain that is not formally
trusted by Eurofins.
Do not click on links or open attachments unless you recognise the sender and
are certain that the content is safe.
In pom.xml (derived from camel-azure-storage-blob pom.xml) having:
<properties>
<!-- <jdk.version>11</jdk.version> it was a mere guess looking at
effective pom with camel-azure-parent -->
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
</properties>
after:
<parent>
<groupId>org.apache.camel</groupId>
<artifactId>camel-azure-parent</artifactId>
<version>4.0.0-SNAPSHOT</version>
</parent>
results in unexpected Java 8.
If I remove the parent element,
then inline groupId, version,
and all dependency/version-s
it results in expected Java 11.
But I do not find such inlining well
maintainable.
Cc.
--
Mr. Petr Kužel, Software Engineer
Eurofins International Support Services s.à r.l.
Val Fleuri 23
L-1526 LUXEMBOURG
-----Original Message-----
From: Nicolas Filotto <[email protected]>
Sent: Friday, May 12, 2023 11:12
To: [email protected]
Subject: Re: What is the recommended way to depend on Java 11, pls?
CAUTION: EXTERNAL EMAIL - Sent from an email domain that is not formally
trusted by Eurofins.
Do not click on links or open attachments unless you recognise the sender and
are certain that the content is safe.
Have you tried to set the properties maven.compiler.source,
maven.compiler.target, and maven.compiler.release like
https://github.com/apache/camel/blob/main/pom.xml#L114-L116? See the compiler
plugin documentation for more details
https://maven.apache.org/plugins/maven-compiler-plugin/compile-mojo.html
[https://opengraph.githubassets.com/e5d400780d6259a437dde976fdb2b9578500cb8781471f86fd1b266a581f6b0a/apache/camel]<https://github.com/apache/camel/blob/main/pom.xml#L114-L116>
camel/pom.xml at main ·
apache/camel<https://github.com/apache/camel/blob/main/pom.xml#L114-L116>
Apache Camel is an open source integration framework that empowers you to
quickly and easily integrate various systems consuming or producing data. -
camel/pom.xml at main · apache/camel
github.com
________________________________
From: Petr Kuzel <[email protected]>
Sent: Friday, May 12, 2023 10:22
To: [email protected] <[email protected]>
Subject: RE: What is the recommended way to depend on Java 11, pls?
Hi Nicolas,
I have meant Java 11. I assume the Java backward compatibility
allows me to target Java 11 regardless that some other Camel 4
components require Java 17.
(I plan to backport to Camel 3.16+.) A good point after all.
Hope it helps
Cc.
--
Mr. Petr Kužel, Software Engineer
Eurofins International Support Services s.à r.l.
Val Fleuri 23
L-1526 LUXEMBOURG
-----Original Message-----
From: Nicolas Filotto <[email protected]>
Sent: Friday, May 12, 2023 10:14
To: [email protected]
Subject: Re: What is the recommended way to depend on Java 11, pls?
CAUTION: EXTERNAL EMAIL - Sent from an email domain that is not formally
trusted by Eurofins.
Do not click on links or open attachments unless you recognise the sender and
are certain that the content is safe.
Did you mean Java 17? As stated in the page that you are referring to, Camel 4
only supports Java 17+
________________________________
From: Petr Kuzel <[email protected]>
Sent: Friday, May 12, 2023 10:10
To: [email protected] <[email protected]>
Subject: What is the recommended way to depend on Java 11, pls?
Hi Camel devs,
I have cloned the Camel FTP and Azure components
blending them together to develop a new Azure Files
component.
When I use
<parent>
<groupId>org.apache.camel</groupId>
<artifactId>camel-azure-parent</artifactId>
<version>4.0.0-SNAPSHOT</version>
</parent>
<properties>
</properties>
Eclipse maven project leaves me with Java 8. But I'd like
to use Java 11. (the dep on 11 is aligned with
https://urldefense.com/v3/__https://camel.apache.org/manual/what-are-the-dependencies.html__;!!CiXD_PY!X4fmazwO2q9nXiI2v8iAzLBcV6DJ9HvlHaxt8SUV5qpUDfn8cXEgoJgnhvxMmitudjrWdheG5fdCuN1t15ZkU-PBUw$
)
Should I specify any properties, or ask for
updating of camel-azure-parent,
or declare it out-of-bound in Eclipse, pls?
Regards
Cc.
--
Mr. Petr Kužel, Software Engineer
Eurofins International Support Services s.à r.l.
Val Fleuri 23
L-1526 LUXEMBOURG
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