Hello JB, do you have any suggestions how i could debug my case?
Am Di., 7. Apr. 2026 um 10:27 Uhr schrieb Matthias Leinweber < [email protected]>: > Hello JB, > > no grep " <repository" -A 5 * -R has n results in my assembly or did i > misunderstood your hint? > > regards, > Matthias > > > Am Mo., 6. Apr. 2026 um 08:15 Uhr schrieb Jean-Baptiste Onofré < > [email protected]>: > >> Can you check if you don't have empty <repository/> in your features >> repository XML ? >> >> Regards >> JB >> >> On Sun, Apr 5, 2026 at 6:22 PM Matthias Leinweber < >> [email protected]> wrote: >> >>> Hi JB, >>> >>> Is there a workaround for me? >>> >>> Br >>> Matthias >>> >>> Jean-Baptiste Onofré <[email protected]> schrieb am So., 5. Apr. 2026, >>> 17:25: >>> >>>> Hi, >>>> >>>> I have created a pull request to address the exception encountered when >>>> a features repository contains an empty repo: >>>> https://github.com/apache/karaf/pull/2515 >>>> >>>> This should resolve the issue you reported. >>>> >>>> Regards, >>>> JB >>>> >>>> On Thu, Apr 2, 2026 at 5:26 PM Jean-Baptiste Onofré <[email protected]> >>>> wrote: >>>> >>>>> Thanks, let me investigate. >>>>> >>>>> I will keep you posted. >>>>> >>>>> Regards >>>>> JB >>>>> >>>>> On Wed, Apr 1, 2026 at 5:48 PM Matthias Leinweber >>>>> <[email protected]> wrote: >>>>> > >>>>> > Sure >>>>> > >>>>> > <?xml version="1.0" encoding="UTF-8"?> >>>>> > >>>>> > <project xmlns="http://maven.apache.org/POM/4.0.0"; xmlns:xsi=" >>>>> http://www.w3.org/2001/XMLSchema-instance"; xsi:schemaLocation=" >>>>> http://maven.apache.org/POM/4.0.0 >>>>> http://maven.apache.org/xsd/maven-4.0.0.xsd";> >>>>> > >>>>> > <artifactId>rahla</artifactId> >>>>> > >>>>> > >>>>> > <groupId>rahla.assembly</groupId> >>>>> > <modelVersion>4.0.0</modelVersion> >>>>> > >>>>> > <name>Rahla Assembly</name> >>>>> > >>>>> > <packaging>karaf-assembly</packaging> >>>>> > >>>>> > >>>>> > <parent> >>>>> > <artifactId>reactor</artifactId> >>>>> > <groupId>rahla</groupId> >>>>> > <relativePath>../pom.xml</relativePath> >>>>> > <version>1.3.1-SNAPSHOT</version> >>>>> > </parent> >>>>> > >>>>> > <dependencies> >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>framework</artifactId> >>>>> > <type>kar</type> >>>>> > <scope>compile</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>framework</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <type>xml</type> >>>>> > <scope>runtime</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>standard</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <type>xml</type> >>>>> > <scope>runtime</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>spring-legacy</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <type>xml</type> >>>>> > <scope>runtime</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>enterprise</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <type>xml</type> >>>>> > <scope>runtime</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <artifactId>apache-camel</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>org.apache.camel.karaf</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <groupId>org.apache.karaf.features</groupId> >>>>> > <artifactId>specs</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <type>xml</type> >>>>> > <scope>runtime</scope> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <artifactId>rahla</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <artifactId>fradi</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <artifactId>graphsource</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > >>>>> > <dependency> >>>>> > <artifactId>jedissource</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > <dependency> >>>>> > <artifactId>camel-route-templates</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>runtime</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > <dependency> >>>>> > <artifactId>rahla-logging</artifactId> >>>>> > <classifier>features</classifier> >>>>> > <groupId>rahla.feature</groupId> >>>>> > <scope>compile</scope> >>>>> > <type>xml</type> >>>>> > </dependency> >>>>> > >>>>> > </dependencies> >>>>> > >>>>> > >>>>> > <build> >>>>> > <plugins> >>>>> > <plugin> >>>>> > <artifactId>maven-install-plugin</artifactId> >>>>> > <configuration> >>>>> > <skip>true</skip> >>>>> > </configuration> >>>>> > <groupId>org.apache.maven.plugins</groupId> >>>>> > </plugin> >>>>> > <plugin> >>>>> > <groupId>org.apache.maven.plugins</groupId> >>>>> > <artifactId>maven-deploy-plugin</artifactId> >>>>> > <configuration> >>>>> > <skip>true</skip> >>>>> > </configuration> >>>>> > </plugin> >>>>> > <plugin> >>>>> > <artifactId>karaf-maven-plugin</artifactId> >>>>> > <configuration> >>>>> > <archiveTarGz>false</archiveTarGz> >>>>> > <archiveZip>false</archiveZip> >>>>> > <startupFeatures> >>>>> > <feature>rahla-logging</feature> >>>>> > <feature>wrap</feature> >>>>> > </startupFeatures> >>>>> > <bootFeatures> >>>>> > <feature>standard</feature> >>>>> > <feature>scr</feature> >>>>> > <feature>spifly</feature> >>>>> > <feature>pax-web-http-undertow</feature> >>>>> > <feature>jolokia</feature> >>>>> > <feature>rahla</feature> >>>>> > </bootFeatures> >>>>> > <installedFeatures> >>>>> > <feature>fradi</feature> >>>>> > <feature>graphsource</feature> >>>>> > <feature>jedissource</feature> >>>>> > <feature>camel-route-templates</feature> >>>>> > </installedFeatures> >>>>> > <libraries> >>>>> > >>>>> >>>>> <library>mvn:io.prometheus.jmx/jmx_prometheus_javaagent/${jmx_exporter.version}</library> >>>>> > >>>>> >>>>> <library>mvn:io.opentelemetry.javaagent/opentelemetry-javaagent/${opentelemetry_agent.version}</library> >>>>> > </libraries> >>>>> > <blacklistedBundles> >>>>> > <bundle>mvn:org.apache.groovy/groovy/[4,5)</bundle> >>>>> > >>>>> <bundle>mvn:com.fasterxml.woodstox/woodstox-core/7.0.0</bundle> >>>>> > >>>>> <bundle>mvn:io.undertow/undertow-core/2.2.37.Final</bundle> >>>>> > >>>>> <bundle>mvn:io.undertow/undertow-servlet/2.2.37.Final</bundle> >>>>> > >>>>> <!--<bundle>mvn:org.codehaus.woodstox/stax2-api/4.2.1</bundle> >>>>> > >>>>> <bundle>mvn:org.codehaus.woodstox/woodstox-core-asl/4.4.1</bundle> >>>>> > <bundle>mvn:org.yaml/snakeyaml/1.30</bundle>--> >>>>> > </blacklistedBundles> >>>>> > <javase>17</javase> >>>>> > </configuration> >>>>> > <groupId>org.apache.karaf.tooling</groupId> >>>>> > </plugin> >>>>> > </plugins> >>>>> > <resources> >>>>> > <resource> >>>>> > <directory>src/main/resources</directory> >>>>> > <filtering>false</filtering> >>>>> > <includes> >>>>> > <include>**/*</include> >>>>> > </includes> >>>>> > </resource> >>>>> > <resource> >>>>> > <directory>src/main/filtered-resources</directory> >>>>> > <filtering>true</filtering> >>>>> > <includes> >>>>> > <include>**/*</include> >>>>> > </includes> >>>>> > </resource> >>>>> > </resources> >>>>> > </build> >>>>> > </project> >>>>> > >>>>> > >>>>> > >>>>> > Am Mi., 1. Apr. 2026 um 15:22 Uhr schrieb Jean-Baptiste Onofré < >>>>> [email protected]>: >>>>> >> >>>>> >> Hi Matthias >>>>> >> >>>>> >> I suspect it's related to a change I did on the karaf-maven-plugin >>>>> (around assembly). >>>>> >> >>>>> >> Can you share with me the pom.xml to reproduce it ? >>>>> >> >>>>> >> Thanks, >>>>> >> >>>>> >> Regards >>>>> >> JB >>>>> >> >>>>> >> On Tue, Mar 31, 2026 at 6:46 PM Matthias Leinweber < >>>>> [email protected]> wrote: >>>>> >>> >>>>> >>> Dear Karaf Users, >>>>> >>> >>>>> >>> I am currently maintaining a Karaf assembly and am in the process >>>>> of upgrading to version 4.4.10. However, I am encountering an error >>>>> message >>>>> during startup and would appreciate guidance on how to begin debugging >>>>> this >>>>> issue >>>>> >>> >>>>> >>> java.lang.RuntimeException: Repository spec is empty string. : >>>>> mvn:org.apache.karaf.features/standard/4.4.10/xml/features >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.RepositoryImpl.load(RepositoryImpl.java:121) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.RepositoryImpl.<init>(RepositoryImpl.java:51) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.RepositoryCacheImpl.create(RepositoryCacheImpl.java:51) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:386) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.FeaturesServiceImpl.addRepository(FeaturesServiceImpl.java:381) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.BootFeaturesInstaller.addRepositories(BootFeaturesInstaller.java:136) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.BootFeaturesInstaller.installBootFeatures(BootFeaturesInstaller.java:95) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.BootFeaturesInstaller.start(BootFeaturesInstaller.java:89) >>>>> >>> at >>>>> org.apache.karaf.features.internal.osgi.Activator.doStart(Activator.java:215) >>>>> >>> at >>>>> org.apache.karaf.util.tracker.BaseActivator.run(BaseActivator.java:312) >>>>> >>> at >>>>> java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:572) >>>>> >>> at >>>>> java.base/java.util.concurrent.FutureTask.run(FutureTask.java:317) >>>>> >>> at >>>>> java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1144) >>>>> >>> at >>>>> java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:642) >>>>> >>> at java.base/java.lang.Thread.run(Thread.java:1583) >>>>> >>> Caused by: shaded.org.ops4j.lang.NullArgumentException: Repository >>>>> spec is empty string. >>>>> >>> at >>>>> shaded.org.ops4j.lang.NullArgumentException.validateNotEmpty(NullArgumentException.java:108) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.config.MavenRepositoryURL.<init>(MavenRepositoryURL.java:221) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.config.MavenConfigurationImpl.getRepositories(MavenConfigurationImpl.java:401) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.AetherBasedResolver.selectRemoteRepositories(AetherBasedResolver.java:928) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:368) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:352) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:322) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.AetherBasedResolver.resolve(AetherBasedResolver.java:312) >>>>> >>> at >>>>> org.ops4j.pax.url.mvn.internal.Connection.getInputStream(Connection.java:120) >>>>> >>> at java.base/java.net.URL.openStream(URL.java:1325) >>>>> >>> at >>>>> org.apache.karaf.features.internal.service.RepositoryImpl.load(RepositoryImpl.java:114) >>>>> >>> ... 14 more >>>>> >>> >>>>> >>> >>>>> >>> Could you please advise on the best approach or specific logs I >>>>> should examine to identify the root cause? I get this erorr for every >>>>> feature defined in my karaf-assembly >>>>> >>> >>>>> >>> Best regards, >>>>> >>> >>>>> >>> Matthias Leinweber >>>>> >>> >>>>> >>>>
