[KARAF-6249] Avoid NullPointerException in the CsvMarshaller

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: decanter-2.2.0
• Fix Version/s: decanter-2.3.0
• Component/s: decanter
• Assignee: Jean-Baptiste Onofré
• Reporter: Jean-Baptiste Onofré
• Created: 20/Apr/19 13:18
• Updated: 22/Apr/19 05:10
• Resolved: 22/Apr/19 05:10

Description

In some cases, the CsvMarshaller can throw a NullPointerException. For instance, it happens when using the log appender:

15:16:09.280 WARN [EventAdminAsyncThread #15] EventAdmin: Exception during event dispatch [org.osgi.service.event.Event [topic=decanter/collect/jmx/jmx-local/com/sun/management] {hostName=precision, component.name=org.apache.karaf.decanter.collector.jmx, felix.fileinstall.filename=file:/home/jbonofre/Workspace/karaf/assemblies/apache-karaf/target/apache-karaf-4.3.0-SNAPSHOT/etc/org.apache.karaf.decanter.collector.jmx-local.cfg, type=jmx-local, service.factoryPid=org.apache.karaf.decanter.collector.jmx, decanter.collector.name=jmx, url=local, scheduler.period=60, ObjectName=com.sun.management:type=HotSpotDiagnostic, service.pid=org.apache.karaf.decanter.collector.jmx.1b1679d5-266c-4a31-ad93-178388f9495c, scheduler.concurrent=false, component.id=11, karafName=root, host=null, DiagnosticOptions=[Ljavax.management.openmbean.CompositeData;@7cd49c75, hostAddress=127.0.0.1, scheduler.name=decanter-collector-jmx, timestamp=1555766169111} | [org.osgi.service.event.EventHandler] | Bundle(org.apache.karaf.decanter.appender.log [47])]
java.lang.NullPointerException: null
        at org.apache.karaf.decanter.marshaller.csv.CsvMarshaller.marshal(CsvMarshaller.java:68) ~[?:?]
        at org.apache.karaf.decanter.marshaller.csv.CsvMarshaller.marshal(CsvMarshaller.java:61) ~[?:?]
        at org.apache.karaf.decanter.appender.log.LogAppender.handleEvent(LogAppender.java:62) ~[?:?]
        at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:415) [3:org.apache.karaf.services.eventadmin:4.3.0.SNAPSHOT]

Issue Links

• links to: GitHub Pull Request #83