Do you have a bundle in your container, which actually also exports that package/class?
regards, Achim 2016-02-29 11:47 GMT+01:00 D <[email protected]>: > Hi, > > I set <Import-Package>*;resolution:=optional</Import-Package> but still > getting the exception Could not instantiate class > [net.logstash.log4j.JSONEventLayoutV1]. > > My entire pom.xml looks like below:- > > <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/maven-v4_0_0.xsd > "> > <modelVersion>4.0.0</modelVersion> > <groupId>net.logstash.log4j</groupId> > <artifactId>jsonevent-layout</artifactId> > <packaging>jar</packaging> > <version>1.8-SNAPSHOT</version> > <name>jsonevent-layout</name> > <description>Log4j pattern layout that conforms to the logstash > json_event format</description> > <url>http://logstash.net</url> > <licenses> > <license> > <name>The Apache Software License, Version 2.0</name> > <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url> > <distribution>repo</distribution> > </license> > </licenses> > <developers> > <developer> > <id>lusis</id> > <name>John E. Vincent</name> > <email>[email protected]</email> > </developer> > <developer> > <id>pyr</id> > <name>Pierre-Yves Ritschard</name> > <email>[email protected]</email> > </developer> > </developers> > <properties> > <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding> > > <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding> > </properties> > <parent> > <groupId>org.sonatype.oss</groupId> > <artifactId>oss-parent</artifactId> > <version>7</version> > </parent> > <scm> > <connection>scm:git:[email protected]:[email protected]: > logstash/log4j-jsonevent-layout.git</connection> > <developerConnection>scm:git:[email protected]: > logstash/log4j-jsonevent-layout.git</developerConnection> > <url>[email protected]:logstash/log4j-jsonevent-layout.git</url> > </scm> > <build> > <pluginManagement> > <plugins> > <plugin> > <artifactId>maven-assembly-plugin</artifactId> > <version>2.2.2</version> > <executions> > <execution> > <id>uberjar</id> > <phase>package</phase> > <goals> > <goal>single</goal> > </goals> > </execution> > </executions> > <configuration> > <descriptorRefs> > <descriptorRef>jar-with-dependencies</descriptorRef> > </descriptorRefs> > </configuration> > </plugin> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-compiler-plugin</artifactId> > <version>2.3.2</version> > <configuration> > <source>1.5</source> > <target>1.5</target> > </configuration> > </plugin> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-source-plugin</artifactId> > <executions> > <execution> > <id>attach-sources</id> > <goals> > <goal>jar</goal> > </goals> > </execution> > </executions> > </plugin> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-javadoc-plugin</artifactId> > <executions> > <execution> > <id>attach-javadocs</id> > <goals> > <goal>jar</goal> > </goals> > </execution> > </executions> > </plugin> > </plugins> > </pluginManagement> > </build> > <dependencies> > <dependency> > <groupId>net.minidev</groupId> > <artifactId>json-smart</artifactId> > <version>1.1.1</version> > </dependency> > <dependency> > <groupId>log4j</groupId> > <artifactId>log4j</artifactId> > <version>1.2.16</version> > <scope>provided</scope> > </dependency> > <dependency> > <groupId>commons-lang</groupId> > <artifactId>commons-lang</artifactId> > <version>2.6</version> > </dependency> > <dependency> > <groupId>junit</groupId> > <artifactId>junit</artifactId> > <version>4.8.1</version> > <scope>test</scope> > </dependency> > </dependencies> > <profiles> > <profile> > <id>bundle</id> > <build> > <plugins> > <plugin> > <groupId>org.apache.felix</groupId> > <artifactId>maven-bundle-plugin</artifactId> > <version>2.3.7</version> > <extensions>true</extensions> > <configuration> > <instructions> > > <Bundle-Name>${project.groupId}.${project.artifactId}</Bundle-Name> > > > <Bundle-SymbolicName>${project.groupId}.${project.artifactId}</Bundle-SymbolicName> > > <Import-Package>*;resolution:=optional</Import-Package> > > > <Fragment-Host>org.ops4j.pax.logging.pax-logging-service;bundle-version="[1.6,1.7)"</Fragment-Host> > > <Embed-Dependency>*;scope=compile|runtime;inline=true</Embed-Dependency> > > <Implementation-Version>${project.version}</Implementation-Version> > </instructions> > </configuration> > </plugin> > </plugins> > </build> > </profile> > <profile> > <id>release-sign-artifacts</id> > <activation> > <property> > <name>performRelease</name> > <value>true</value> > </property> > </activation> > <build> > <plugins> > <plugin> > <groupId>org.apache.maven.plugins</groupId> > <artifactId>maven-gpg-plugin</artifactId> > <executions> > <execution> > <id>sign-artifacts</id> > <phase>verify</phase> > <goals> > <goal>sign</goal> > </goals> > </execution> > </executions> > </plugin> > <plugin> > <groupId>org.apache.felix</groupId> > <artifactId>maven-bundle-plugin</artifactId> > <version>2.3.7</version> > <extensions>true</extensions> > <configuration> > <instructions> > > <Bundle-Name>${project.groupId}.${project.artifactId}</Bundle-Name> > > > <Bundle-SymbolicName>${project.groupId}.${project.artifactId}</Bundle-SymbolicName> > <Import-Package>*;resolution:=optional</Import-Package> > > > <Fragment-Host>org.ops4j.pax.logging.pax-logging-service;bundle-version="[1.6,1.7)"</Fragment-Host> > > <Embed-Dependency>*;scope=compile|runtime;inline=true</Embed-Dependency> > > <Implementation-Version>${project.version}</Implementation-Version> > </instructions> > </configuration> > </plugin> > </plugins> > </build> > </profile> > </profiles> > <distributionManagement> > <snapshotRepository> > <id>ossrh</id> > <url>https://oss.sonatype.org/content/repositories/snapshots</url> > </snapshotRepository> > <repository> > <id>ossrh</id> > <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/ > </url> > </repository> > </distributionManagement> > </project> > > > > On Mon, Feb 29, 2016 at 3:50 PM, Achim Nierbeck [via Karaf] < > [email protected]> wrote: > > > Hi, > > > > you have an import-package with !* so you import nothing. > > My guess, that is wrong as it should actually import something as it > can't > > call the desired class. > > You should make sure your own bundle/fragment does import the correct > > packages. > > > > regards, Achim > > > > > > 2016-02-29 11:18 GMT+01:00 Debraj Manna <[hidden email] > > <http:///user/SendEmail.jtp?type=node&node=4045613&i=0>>: > > > >> Thanks Achim for replying. > >> > >> I tried to have a fragment bundle of JSONEvenLayout > >> <https://github.com/logstash/log4j-jsonevent-layout> . But whenever I > am > >> trying to start Karaf I am getting the below exception. I have listed > down > >> all the steps that I have been doing. Can you let me know what I am > doing > >> wrong? > >> > >> ]log4j:ERROR Could not instantiate class [net.logstash.log4j. > >> JSONEventLayoutV1]. > >> java.lang.ClassNotFoundException: net.logstash.log4j.JSONEventLayoutV1 > >> not found by org.ops4j.pax.logging.pax-logging-service [5] > >> at > >> > org.apache.felix.framework.BundleWiringImpl.findClassOrResourceByDelegation(BundleWiringImpl.java:1532) > >> > >> at > >> > org.apache.felix.framework.BundleWiringImpl.access$400(BundleWiringImpl.java:75) > >> > >> at > >> > org.apache.felix.framework.BundleWiringImpl$BundleClassLoader.loadClass(BundleWiringImpl.java:1955) > >> > >> at java.lang.ClassLoader.loadClass(ClassLoader.java:357) > >> at java.lang.Class.forName0(Native Method) > >> at java.lang.Class.forName(Class.java:264) > >> at org.apache.log4j.helpers.Loader.loadClass(Loader.java:198) > >> at > >> > org.apache.log4j.helpers.OptionConverter.instantiateByClassName(OptionConverter.java:326) > >> > >> at > >> > org.apache.log4j.helpers.OptionConverter.instantiateByKey(OptionConverter.java:123) > >> > >> at > >> > org.apache.log4j.PaxLoggingConfigurator.parseAppender(PaxLoggingConfigurator.java:129) > >> > >> at > >> > org.apache.log4j.PropertyConfigurator.parseCategory(PropertyConfigurator.java:735) > >> > >> at > >> > org.apache.log4j.PropertyConfigurator.configureRootCategory(PropertyConfigurator.java:615) > >> > >> at > >> > org.apache.log4j.PropertyConfigurator.doConfigure(PropertyConfigurator.java:502) > >> > >> at > >> > org.apache.log4j.PaxLoggingConfigurator.doConfigure(PaxLoggingConfigurator.java:72) > >> > >> at > >> > org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl.updated(PaxLoggingServiceImpl.java:214) > >> > >> at > >> > org.ops4j.pax.logging.service.internal.PaxLoggingServiceImpl$1ManagedPaxLoggingService.updated(PaxLoggingServiceImpl.java:362) > >> > >> at > >> > org.apache.felix.cm.impl.helper.ManagedServiceTracker.updated(ManagedServiceTracker.java:189) > >> > >> at > >> > org.apache.felix.cm.impl.helper.ManagedServiceTracker.updateService(ManagedServiceTracker.java:152) > >> > >> at > >> > org.apache.felix.cm.impl.helper.ManagedServiceTracker.provideConfiguration(ManagedServiceTracker.java:85) > >> > >> at > >> > org.apache.felix.cm.impl.ConfigurationManager$UpdateConfiguration.run(ConfigurationManager.java:1747) > >> > >> at org.apache.felix.cm.impl.UpdateThread.run(UpdateThread.java:103) > >> at java.lang.Thread.run(Thread.java:745) > >> log4j:ERROR No layout set for the appender named [out]. > >> > >> > >> > >> The steps that I have followed. > >> > >> 1. Modified the pom.xml file of jsonevent-layout as shown below:- > >> > >> <plugin> > >> <groupId>org.apache.felix</groupId> > >> <artifactId>maven-bundle-plugin</artifactId> > >> <version>2.3.7</version> > >> <extensions>true</extensions> > >> <configuration> > >> <instructions> > >> > >> <Bundle-Name>${project.groupId}.${project.artifactId}</Bundle-Name> > >> > >> > <Bundle-SymbolicName>${project.groupId}.${project.artifactId}</Bundle-SymbolicName> > >> <Import-Package>!*</Import-Package> > >> > >> > <Fragment-Host>org.ops4j.pax.logging.pax-logging-service;bundle-version="[1.6,1.7)"</Fragment-Host> > >> > >> <Embed-Dependency>*;scope=compile|runtime;inline=true</Embed-Dependency> > >> > >> <Implementation-Version>${project.version}</Implementation-Version> > >> </instructions> > >> </configuration> > >> </plugin> > >> > >> 2. Build json format using mvn clean install -Pbundle > >> > >> 3. Copy bundle created to system directory > >> > >> mkdir -p > ${karaf.home}/system/net/logstash/log4j/jsonevent-layout/1.8-SNAPSHOT/ > >> > >> cp target/jsonevent-layout-1.8-SNAPSHOT.jar > >> ${karaf.home}/system/net/logstash/log4j/jsonevent-layout/1.8-SNAPSHOT/ > >> > >> 4. Add this line to etc/startup.properties before Pax Logging > >> > > net/logstash/log4j/jsonevent-layout/1.8-SNAPSHOT/jsonevent-layout-1.8-SNAPSHOT.jar=3 > >> > >> mvn\:org.ops4j.pax.url/pax-url-aether/2.4.1 = 5 > >> mvn\:org.ops4j.pax.url/pax-url-wrap/2.4.1/jar/uber = 5 > >> mvn\:org.ops4j.pax.logging/pax-logging-api/1.8.4 = 8 > >> mvn\:org.ops4j.pax.logging/pax-logging-service/1.8.4 = 8 > >> Updated org.ops4j.pax.logging.cfg as follows:- > >> log4j.appender.stdout=org.apache.log4j.ConsoleAppender > >> log4j.appender.stdout.layout=net.logstash.log4j.JSONEventLayoutV1 > >> log4j.appender.stdout.layout.ConversionPattern=%d{ISO8601} | %-5.5p > | > >> %-16.16t | %-32.32c{1} | %X{bundle.id} - %X{bundle.name} - > >> %X{bundle.version} | %m%n > >> > >> > >> Thanks, > >> Debraj > >> > >> On Mon, Feb 29, 2016 at 1:17 PM, Achim Nierbeck <[hidden email] > >> <http:///user/SendEmail.jtp?type=node&node=4045613&i=1>> wrote: > >> > >>> Depends on if you have an appender that can do so. > >>> If you have such an appender, make sure to attach it to pax-logging. > >>> One known to work solution is to have a fragment bundle which attaches > >>> to the pax-logging service bundle (if it's a log4j 1.x bundle) > >>> > >>> regards, Achim > >>> > >>> > >>> 2016-02-29 6:46 GMT+01:00 D <[hidden email] > >>> <http:///user/SendEmail.jtp?type=node&node=4045613&i=2>>: > >>> > >>>> Is there a way we can make karaf log in JSON format? > >>>> > >>>> > >>>> > >>>> -- > >>>> View this message in context: > >>>> > http://karaf.922171.n3.nabble.com/Karaf-logging-in-JSON-format-tp4045607.html > >>>> Sent from the Karaf - User mailing list archive at Nabble.com. > >>>> > >>> > >>> > >>> > >>> -- > >>> > >>> Apache Member > >>> Apache Karaf <http://karaf.apache.org/> Committer & PMC > >>> OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> > Committer > >>> & Project Lead > >>> blog <http://notizblog.nierbeck.de/> > >>> Co-Author of Apache Karaf Cookbook <http://bit.ly/1ps9rkS> > >>> > >>> Software Architect / Project Manager / Scrum Master > >>> > >>> > >> > > > > > > -- > > > > Apache Member > > Apache Karaf <http://karaf.apache.org/> Committer & PMC > > OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> Committer > & > > Project Lead > > blog <http://notizblog.nierbeck.de/> > > Co-Author of Apache Karaf Cookbook <http://bit.ly/1ps9rkS> > > > > Software Architect / Project Manager / Scrum Master > > > > > > > > ------------------------------ > > If you reply to this email, your message will be added to the discussion > > below: > > > > > http://karaf.922171.n3.nabble.com/Karaf-logging-in-JSON-format-tp4045607p4045613.html > > To unsubscribe from Karaf logging in JSON format, click here > > < > http://karaf.922171.n3.nabble.com/template/NamlServlet.jtp?macro=unsubscribe_by_code&node=4045607&code=c3ViaGFyYWoubWFubmFAZ21haWwuY29tfDQwNDU2MDd8MTIyMTY4MjkyMg== > > > > . > > NAML > > < > http://karaf.922171.n3.nabble.com/template/NamlServlet.jtp?macro=macro_viewer&id=instant_html%21nabble%3Aemail.naml&base=nabble.naml.namespaces.BasicNamespace-nabble.view.web.template.NabbleNamespace-nabble.view.web.template.NodeNamespace&breadcrumbs=notify_subscribers%21nabble%3Aemail.naml-instant_emails%21nabble%3Aemail.naml-send_instant_email%21nabble%3Aemail.naml > > > > > > > > > -- > View this message in context: > http://karaf.922171.n3.nabble.com/Karaf-logging-in-JSON-format-tp4045607p4045617.html > Sent from the Karaf - User mailing list archive at Nabble.com. > -- Apache Member Apache Karaf <http://karaf.apache.org/> Committer & PMC OPS4J Pax Web <http://wiki.ops4j.org/display/paxweb/Pax+Web/> Committer & Project Lead blog <http://notizblog.nierbeck.de/> Co-Author of Apache Karaf Cookbook <http://bit.ly/1ps9rkS> Software Architect / Project Manager / Scrum Master
