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From "Jerry Cwiklik (JIRA)" <...@uima.apache.org>
Subject [jira] [Created] (UIMA-5714) UIMA-AS: JMX registration of MBean fails when name is invalid
Date Thu, 01 Feb 2018 18:23:01 GMT
Jerry Cwiklik created UIMA-5714:
-----------------------------------

             Summary: UIMA-AS: JMX  registration of MBean fails when name is invalid
                 Key: UIMA-5714
                 URL: https://issues.apache.org/jira/browse/UIMA-5714
             Project: UIMA
          Issue Type: Bug
          Components: Async Scaleout
            Reporter: Jerry Cwiklik
            Assignee: Jerry Cwiklik
             Fix For: future-Uima-AS


When registering UIMA-AS MBean with JMX a unique name (ObjectName) is constructed at runtime.
Part of this name comes from AE resource specifier and fetched via 

((ResourceCreationSpecifier) resourceSpecifier).getMetaData().getName();

Since users can type whatever they want for the name, this string has to be sanitized to remove
chars that are not compatible with jmx ObjectName. 

In one concrete scenario, a user included comma in the name which is not a legal char for
ObjectName. This caused an exception during initialization of a service:

 
|Caused by: org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl]:
Constructor threw exception; nested exception is javax.management.MalformedObjectNameException:
Invalid character ',' in key part of property
 at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:154)
 at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:122)
 at org.springframework.beans.factory.support.ConstructorResolver.autowireConstructor(ConstructorResolver.java:271)
 ... 17 more
Caused by: javax.management.MalformedObjectNameException: Invalid character ',' in key part
of property
 at javax.management.ObjectName.construct(ObjectName.java:562)
 at javax.management.ObjectName.<init>(ObjectName.java:1393)
 at org.apache.uima.aae.controller.BaseAnalysisEngineController.<init>(BaseAnalysisEngineController.java:462)
 at org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl.<init>(PrimitiveAnalysisEngineController_impl.java:173)
 at org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl.<init>(PrimitiveAnalysisEngineController_impl.java:161)
 at org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl.<init>(PrimitiveAnalysisEngineController_impl.java:134)
 at org.apache.uima.aae.controller.PrimitiveAnalysisEngineController_impl.<init>(PrimitiveAnalysisEngineController_impl.java:125)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:83)
 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:57)
 at java.lang.reflect.Constructor.newInstance(Constructor.java:437)
 at org.springframework.beans.BeanUtils.instantiateClass(BeanUtils.java:142)
 ... 19 more|

 

In BaseAnalysisEngineController.setupName() make sure the name contains only valid chars for
ObjectName. Code in question is this:

String serviceName = ((ResourceCreationSpecifier) resourceSpecifier).getMetaData().getName();



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