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 >> >>> >> >
