java.lang.NullPointerException: null
at org.apache.felix.utils.properties.ConfigurationHandler.writeValue(ConfigurationHandler.java:791) ~[?:?]
at org.apache.felix.utils.properties.ConfigurationHandler.write(ConfigurationHandler.java:229) ~[?:?]
at org.apache.felix.utils.properties.TypedProperties.convertToString(TypedProperties.java:345) ~[?:?]
at org.apache.felix.utils.properties.TypedProperties.put(TypedProperties.java:172) ~[?:?]
at org.apache.felix.utils.properties.TypedProperties.put(TypedProperties.java:52) ~[?:?]
at java.util.AbstractMap.putAll(AbstractMap.java:281) ~[?:1.8.0_172]
at org.apache.karaf.config.core.impl.ConfigRepositoryImpl.update(ConfigRepositoryImpl.java:73) ~[?:?]
at org.apache.karaf.config.command.UpdateCommand.doExecute(UpdateCommand.java:42) ~[?:?]
at org.apache.karaf.config.command.ConfigCommandSupport.execute(ConfigCommandSupport.java:49) ~[?:?]
at org.apache.karaf.shell.impl.action.command.ActionCommand.execute(ActionCommand.java:84) ~[?:?]
at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:68) ~[?:?]
at org.apache.karaf.shell.impl.console.osgi.secured.SecuredCommand.execute(SecuredCommand.java:86) ~[?:?]
at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:599) ~[?:?]
at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:526) ~[?:?]
at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:415) ~[?:?]
at org.apache.felix.gogo.runtime.Pipe.doCall(Pipe.java:416) ~[?:?]
at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:229) ~[?:?]
at org.apache.felix.gogo.runtime.Pipe.call(Pipe.java:59) ~[?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) ~[?:1.8.0_172]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[?:1.8.0_172]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[?:1.8.0_172]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_172]