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https://issues.apache.org/jira/browse/FELIX-1645?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Work on FELIX-1645 started by Freeman Fang.

> add null and empty check for FeaturesServiceImpl.readValue(String val) 
> -----------------------------------------------------------------------
>
>                 Key: FELIX-1645
>                 URL: https://issues.apache.org/jira/browse/FELIX-1645
>             Project: Felix
>          Issue Type: Improvement
>          Components: Karaf
>            Reporter: Freeman Fang
>            Assignee: Freeman Fang
>
> to avoid the exception like
> 11:50:26,570 | ERROR | pool-2-thread-1  | FeaturesServiceImpl              | 
> res.internal.FeaturesServiceImpl  509 | Error loading FeaturesService state
> java.lang.NumberFormatException: For input string: ""
>       at 
> java.lang.NumberFormatException.forInputString(NumberFormatException.java:48)
>       at java.lang.Long.parseLong(Long.java:424)
>       at java.lang.Long.parseLong(Long.java:461)
>       at 
> org.apache.felix.karaf.features.internal.FeaturesServiceImpl.readValue(FeaturesServiceImpl.java:565)
>       at 
> org.apache.felix.karaf.features.internal.FeaturesServiceImpl.loadMap(FeaturesServiceImpl.java:545)
>       at 
> org.apache.felix.karaf.features.internal.FeaturesServiceImpl.loadState(FeaturesServiceImpl.java:501)
>       at 
> org.apache.felix.karaf.features.internal.FeaturesServiceImpl.start(FeaturesServiceImpl.java:406)
>       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
>       at 
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
>       at 
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
>       at java.lang.reflect.Method.invoke(Method.java:585)
>       at 
> org.apache.geronimo.blueprint.utils.ReflectionUtils.invoke(ReflectionUtils.java:206)
>       at 
> org.apache.geronimo.blueprint.container.BeanRecipe.invoke(BeanRecipe.java:639)
>       at 
> org.apache.geronimo.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:517)
>       at 
> org.apache.geronimo.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:64)
>       at 
> org.apache.geronimo.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:212)
>       at 
> org.apache.geronimo.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:140)
>       at 
> org.apache.geronimo.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:603)
>       at 
> org.apache.geronimo.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:310)
>       at 
> org.apache.geronimo.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:211)
>       at 
> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:417)
>       at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:269)
>       at java.util.concurrent.FutureTask.run(FutureTask.java:123)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:65)
>       at 
> java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:172)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:651)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:676)
>       at java.lang.Thread.run(Thread.java:613)
> during runtime

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