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Francois Papon commented on KARAF-7676: --------------------------------------- I think you are missing some features in your installation, here an example: {code:java} <bootFeatures> <feature>wrap</feature> <feature>bundle</feature> <feature>config</feature> <feature>system</feature> <feature>feature</feature> <feature>package</feature> <feature>log</feature> <feature>ssh</feature> <feature>instance</feature> <feature>shell</feature> <feature>management</feature> <feature>service</feature> <feature>jaas</feature> <feature>deployer</feature> <feature>diagnostic</feature> <feature>scr</feature> </bootFeatures> <installedFeatures> <feature>aries-blueprint</feature> <feature>shell-compat</feature> </installedFeatures> <startupFeatures> <feature>eventadmin</feature> </startupFeatures> {code} > NullPointerException at Startup > ------------------------------- > > Key: KARAF-7676 > URL: https://issues.apache.org/jira/browse/KARAF-7676 > Project: Karaf > Issue Type: Bug > Components: karaf > Affects Versions: 4.3.7, 4.4.3 > Reporter: Terrien Jean-Yves > Priority: Major > > I use a custom distribution > defined as: > {code:java} > <startupFeatures> > <feature>eventadmin</feature> > <feature>enterprise</feature> > <feature>standard</feature> > </startupFeatures> > <bootFeatures> > <feature>http</feature> > <feature>shell</feature> > <feature>jdbc</feature> > <feature>pax-jdbc</feature> > <feature>pax-jdbc-config</feature> > <feature>pax-jdbc-oracle</feature> > <feature>pax-jdbc-pool-dbcp2</feature> > <feature>pax-jms-config</feature> > <feature>pax-jms-activemq</feature> > </bootFeatures> > <installedFeatures /> > <archiveZip>false</archiveZip> > <archiveTarGz>true</archiveTarGz> > <javase>11</javase>{code} > and I have several exceptions at startup: > {code:java} > 2023-03-07T17:33:35,242 | ERROR | activator-1-thread-2 | > FeatureDeploymentListener | 35 - org.apache.karaf.deployer.features - > 4.4.3 | Unable to update deployed features for bundle: > org.apache.karaf.features.extension - 4.4.3 > java.lang.NullPointerException: null > at > org.apache.karaf.deployer.features.FeatureDeploymentListener.bundleChanged(FeatureDeploymentListener.java:254) > ~[?:?] > {code} > How to solve this problem ? > Thank -- This message was sent by Atlassian Jira (v8.20.10#820010)