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snmpman's Issues

Fix JDK10 build & Lombok 

[INFO] Changes detected - recompiling the module!
[INFO] Compiling 25 source files to /home/travis/build/1and1/snmpman/snmpman/target/classes
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by lombok.javac.apt.LombokProcessor to field com.sun.tools.javac.processing.JavacProcessingEnvironment.discoveredProcs
WARNING: Please consider reporting this to the maintainers of lombok.javac.apt.LombokProcessor
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release

Improve error handling

Under some circumstances, it's not useful to just log a problem, but better to throw an Error.
After some errors it won't make sense to go on.

Example: No UTF-8 Charset ... this is very unlikely.

Add Debian and RedHat packaging

Debian and RedHat packaging plugins will be added to the pom.xml so that those packages can be constructed automatically by a specified maven profile.

Create some base configuration files that will be installed by default.

e.g.
mvn clean package -P debian
mvn clean package -P redhat

Update from legacy Jackson 2.5.1

The update breaks the code because property loading in Jackson stopped working.

Caused by: com.fasterxml.jackson.databind.exc.InvalidDefinitionException: Cannot construct instance of `com.oneandone.snmpman.configuration.modifier.Modifier`, problem: property "minimum" is not a number
 at [Source: (File); line: 10, column: 3] (through reference chain: com.oneandone.snmpman.configuration.Device["modifiers"]->java.lang.Object[][0])
	at com.fasterxml.jackson.databind.exc.InvalidDefinitionException.from(InvalidDefinitionException.java:67)
	at com.fasterxml.jackson.databind.DeserializationContext.instantiationException(DeserializationContext.java:1601)
	at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.wrapAsJsonMappingException(StdValueInstantiator.java:484)
	at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.rewrapCtorProblem(StdValueInstantiator.java:503)
	at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromObjectWith(StdValueInstantiator.java:285)
	at com.fasterxml.jackson.databind.deser.ValueInstantiator.createFromObjectWith(ValueInstantiator.java:229)
	at com.fasterxml.jackson.databind.deser.impl.PropertyBasedCreator.build(PropertyBasedCreator.java:195)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:422)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1287)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:326)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:159)
	at com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer.deserialize(ObjectArrayDeserializer.java:195)
	at com.fasterxml.jackson.databind.deser.std.ObjectArrayDeserializer.deserialize(ObjectArrayDeserializer.java:21)
	at com.fasterxml.jackson.databind.deser.SettableBeanProperty.deserialize(SettableBeanProperty.java:530)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeWithErrorWrapping(BeanDeserializer.java:528)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer._deserializeUsingPropertyBased(BeanDeserializer.java:417)
	at com.fasterxml.jackson.databind.deser.BeanDeserializerBase.deserializeFromObjectUsingNonDefault(BeanDeserializerBase.java:1287)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserializeFromObject(BeanDeserializer.java:326)
	at com.fasterxml.jackson.databind.deser.BeanDeserializer.deserialize(BeanDeserializer.java:159)
	at com.fasterxml.jackson.databind.ObjectMapper._readMapAndClose(ObjectMapper.java:4013)
	at com.fasterxml.jackson.databind.ObjectMapper.readValue(ObjectMapper.java:2902)
	at com.oneandone.snmpman.configuration.AgentConfiguration$DeviceFactory.getDevice(AgentConfiguration.java:61)
	... 26 more
Caused by: java.lang.ClassCastException: property "minimum" is not a number
	at com.oneandone.snmpman.configuration.type.ModifierProperties.getNumber(ModifierProperties.java:60)
	at com.oneandone.snmpman.configuration.type.ModifierProperties.getInteger(ModifierProperties.java:19)
	at com.oneandone.snmpman.configuration.modifier.Integer32Modifier.init(Integer32Modifier.java:27)
	at com.oneandone.snmpman.configuration.modifier.Modifier.<init>(Modifier.java:45)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
	at com.fasterxml.jackson.databind.introspect.AnnotatedConstructor.call(AnnotatedConstructor.java:124)
	at com.fasterxml.jackson.databind.deser.std.StdValueInstantiator.createFromObjectWith(StdValueInstantiator.java:283)
	... 43 more

Variables are not Modified

The result of the snmp walk of randomized values is only randomized once at application startup. In any other case it remains constant.
But it should change on every snmp walk.
I discovered that this issue first appeared after the class MOGroup was deleted in commit 78675aa

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