OK, I reproduce the build issue with JDK 21. As said, for me it's not a blocker as Karaf 4.4.x is supposed to be built with JDK11.
JDK21 min version for build is planned for Karaf 4.5.x. Regards JB On Fri, Feb 6, 2026 at 5:15 PM Jean-Baptiste Onofré <[email protected]> wrote: > Just as a reminder (according to https://karaf.apache.org/download.html): > Karaf 4.4.x is still built with JDK 11 (it supports JDK 17/21 at runtime, > but the build is Java 11). > > Regards > JB > > On Fri, Feb 6, 2026 at 3:28 PM Francois Papon < > [email protected]> wrote: > >> Hi, >> >> I have an error when building from the source on dist but the dep is on >> maven central. >> >> Is there a min/max maven version? >> >> I am using a jdk 21 and maven 3.9.12. >> >> Any idea? >> >> [INFO] Running org.apache.karaf.main.lock.StatementsTest >> [INFO] Tests run: 6, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: >> 0.001 s -- in org.apache.karaf.main.lock.StatementsTest >> [INFO] Running org.apache.karaf.main.MainStartTest >> [ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: >> 0.090 s <<< FAILURE! -- in org.apache.karaf.main.MainStartTest >> [ERROR] org.apache.karaf.main.MainStartTest.testAutoStart -- Time >> elapsed: 0.089 s <<< ERROR! >> java.lang.RuntimeException: Could not resolve >> mvn:org.apache.felix/org.apache.felix.framework/5.6.10 >> at >> >> org.apache.karaf.main.util.SimpleMavenResolver.resolve(SimpleMavenResolver.java:59) >> at org.apache.karaf.main.Main.createClassLoader(Main.java:519) >> at org.apache.karaf.main.Main.launch(Main.java:289) >> at >> org.apache.karaf.main.MainStartTest.testAutoStart(MainStartTest.java:58) >> at >> >> java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103) >> at java.base/java.lang.reflect.Method.invoke(Method.java:580) >> at >> >> org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:59) >> at >> >> org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) >> at >> >> org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:56) >> at >> >> org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) >> at >> >> org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27) >> at >> org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) >> at >> >> org.junit.runners.BlockJUnit4ClassRunner$1.evaluate(BlockJUnit4ClassRunner.java:100) >> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366) >> at >> >> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:103) >> at >> >> org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63) >> at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331) >> at >> org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79) >> at >> org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329) >> at >> org.junit.runners.ParentRunner.access$100(ParentRunner.java:66) >> at >> org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293) >> at >> org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306) >> at org.junit.runners.ParentRunner.run(ParentRunner.java:413) >> at >> >> org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:316) >> at >> >> org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:240) >> at >> >> org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:214) >> at >> >> org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:155) >> at >> >> org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:385) >> at >> >> org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:162) >> at >> org.apache.maven.surefire.booter.ForkedBooter.run(ForkedBooter.java:507) >> at >> org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:495) >> >> François >> [email protected] >> [email protected] >> >> Le 05/02/2026 à 16:49, Jean-Baptiste Onofré a écrit : >> > Hi everyone, >> > >> > I submit Apache Karaf runtime 4.4.10 to your vote (rc0). >> > >> > This is a maintenance release on the 4.4.x series, especially bringing: >> > - Define the required java version range in karaf maven plugins (to >> avoid >> > Java version error on Maven goal) >> > - Set chcp in karaf.bat to cleanly render tables on Windows platform >> > - Set javase 11 by default >> > - Catch StringIndexOutOfBoundException in ConsoleSessionImpl to >> workaround >> > an issue in JLine >> > - Fix override of numeric value via env variable or system property >> > - Do not use properties with dots in org.ops4j.pax.logging config >> > >> > You can take a look on the Release Notes for details: >> > >> https://github.com/apache/karaf/releases/tag/untagged-189e45c2c831b7f870ab >> > >> > Maven Staging Repository: >> > https://repository.apache.org/content/repositories/orgapachekaraf-1214/ >> > >> > Dist Staging Repository: >> > https://dist.apache.org/repos/dist/dev/karaf/4.4.10/ >> > >> > Git tag: >> > https://github.com/apache/karaf/tree/karaf-4.4.10 >> > >> > Please vote to approve this release: >> > [ ] +1 Approve the release >> > [ ] -1 Don't approve the release (please provide specific comments) >> > >> > This vote will be open for at least 72 hours. >> > >> > Regards >> > JB >> > >> >
