Claus Ibsen created CAMEL-23497:
-----------------------------------

             Summary: NPE in a management test
                 Key: CAMEL-23497
                 URL: https://issues.apache.org/jira/browse/CAMEL-23497
             Project: Camel
          Issue Type: Test
          Components: camel-core
    Affects Versions: 4.21.0
            Reporter: Claus Ibsen
             Fix For: 4.21.0


[INFO] Running org.apache.camel.management.ManagedTransformerRegistryTest
[ERROR] Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.090 s 
<<< FAILURE! -- in org.apache.camel.management.ManagedTransformerRegistryTest
[ERROR] 
org.apache.camel.management.ManagedTransformerRegistryTest.testManageTransformerRegistry
 -- Time elapsed: 0.090 s <<< ERROR!
javax.management.MBeanException: RuntimeException thrown in RequiredModelMBean 
while trying to invoke operation listTransformers
at 
java.management/javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1203)
at 
java.management/javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:1014)
at 
org.apache.camel.support.management.MixinRequiredModelMBean.invoke(MixinRequiredModelMBean.java:72)
at 
java.management/com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:803)
at 
java.management/com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:802)
at 
org.apache.camel.management.ManagedTransformerRegistryTest.testManageTransformerRegistry(ManagedTransformerRegistryTest.java:86)
Caused by: org.apache.camel.RuntimeCamelException: 
java.lang.NullPointerException: Cannot invoke 
"org.apache.camel.spi.DataType.toString()" because "from" is null
at 
org.apache.camel.RuntimeCamelException.wrapRuntimeCamelException(RuntimeCamelException.java:57)
at 
org.apache.camel.management.mbean.ManagedTransformerRegistry.listTransformers(ManagedTransformerRegistry.java:102)
at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:64)
at 
java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:103)
at java.base/java.lang.reflect.Method.invoke(Method.java:580)
at java.base/sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:97)
at 
java.management/javax.management.modelmbean.RequiredModelMBean$4.run(RequiredModelMBean.java:1176)
at 
java.base/java.security.AccessController.doPrivileged(AccessController.java:400)
at 
java.base/java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:87)
at 
java.management/javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1170)
... 5 more
Caused by: java.lang.NullPointerException: Cannot invoke 
"org.apache.camel.spi.DataType.toString()" because "from" is null
at 
org.apache.camel.management.mbean.ManagedTransformerRegistry.listTransformers(ManagedTransformerRegistry.java:97)
... 15 more



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