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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BROOKLYN-349) NPE using yaml DSL in entity's "provisioning.properties"
Date Wed, 21 Sep 2016 17:13:20 GMT

    [ https://issues.apache.org/jira/browse/BROOKLYN-349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15510550#comment-15510550
] 

ASF GitHub Bot commented on BROOKLYN-349:
-----------------------------------------

Github user aledsage commented on the issue:

    https://github.com/apache/brooklyn-server/pull/279
  
    See https://issues.apache.org/jira/browse/BROOKLYN-349 for a description of the underlying
problem.
    
    Also see https://github.com/apache/brooklyn-server/pull/341 for an alternative fix and
a test for that fix. In PR #341 the resolution is deferred until the value is actually requested.
This was a bit more fiddly to implement, but more because it highlighted a problem where the
`DslComponent`'s task lost the context of the entity that called it.
    
    We'll only want one of this PR or #341 to be merged, I think. @grkvlt @ahgittin @neykov
I'm keen to hear your thoughts on it.


> NPE using yaml DSL in entity's "provisioning.properties"
> --------------------------------------------------------
>
>                 Key: BROOKLYN-349
>                 URL: https://issues.apache.org/jira/browse/BROOKLYN-349
>             Project: Brooklyn
>          Issue Type: Bug
>            Reporter: Aled Sage
>
> Using Brooklyn 0.10.0-SNAPSHOT...
> Some usage of the brooklyn DSL within an entity's "provisioning.properties" config fails.
This is because it fails to find the entity in context.
> Therefore a config value like {{$brooklyn:config(\"password\")}} will fail (but yaml
like {{$brooklyn:external(\"creds\", \"test-identity\")}} should be ok, because that does
not need to resolve the entity).
> As an example, add the following catalog item and then deploy the given app:
> {noformat}
> brooklyn.catalog:
>   id: example-entity
>   version: "0.1.2"
>   itemType: entity
>   item:",
>     brooklyn.parameters:
>     - name: password
>       default: myYamlPassword
>     type: org.apache.brooklyn.entity.software.base.EmptySoftwareProcess
> location:
>   jclouds:softlayer:
>     waitForSshable: false
>     useJcloudsSshInit: false
> services:\n"+
> - type: example-entity
>   brooklyn.config:
>     onbox.base.dir.skipResolution: true
>     sshMonitoring.enabled: false
>     provisioning.properties:
>       password: $brooklyn:config("password")
> #      password: $brooklyn:external("creds", "test-password")
> {noformat}
> This fails with an NPE:
> {noformat}
> java.util.concurrent.ExecutionException: org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException:
Error invoking start at BasicApplicationImpl{id=wsufdg642b}: Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}:
Error resolving config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.camp.brooklyn.JcloudsRebindWithYamlDslTest.newJcloudsLocation(JcloudsRebindWithYamlDslTest.java:163)
> 	at org.apache.brooklyn.location.jclouds.JcloudsRebindStubTest.testRebind(JcloudsRebindStubTest.java:193)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
> 	at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
> 	at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
> 	at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
> 	at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
> 	at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
> 	at org.testng.TestRunner.privateRun(TestRunner.java:767)
> 	at org.testng.TestRunner.run(TestRunner.java:617)
> 	at org.testng.SuiteRunner.runTest(SuiteRunner.java:348)
> 	at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:343)
> 	at org.testng.SuiteRunner.privateRun(SuiteRunner.java:305)
> 	at org.testng.SuiteRunner.run(SuiteRunner.java:254)
> 	at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
> 	at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
> 	at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
> 	at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
> 	at org.testng.TestNG.run(TestNG.java:1057)
> 	at org.testng.remote.AbstractRemoteTestNG.run(AbstractRemoteTestNG.java:126)
> 	at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:152)
> 	at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:57)
> Caused by: org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException:
Error invoking start at BasicApplicationImpl{id=wsufdg642b}: Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}:
Error resolving config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.propagate(EffectorUtils.java:318)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.access$0(EffectorUtils.java:311)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils.handleEffectorException(EffectorUtils.java:326)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils.invokeMethodEffector(EffectorUtils.java:281)
> 	at org.apache.brooklyn.core.effector.MethodEffector.call(MethodEffector.java:148)
> 	at org.apache.brooklyn.core.entity.trait.Startable$StartEffectorBody.call(Startable.java:56)
> 	at org.apache.brooklyn.core.entity.trait.Startable$StartEffectorBody.call(Startable.java:1)
> 	at org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$1.call(EffectorTasks.java:82)
> 	at org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359)
> 	at org.apache.brooklyn.util.core.task.BasicExecutionManager$SubmissionCallable.call(BasicExecutionManager.java:519)
> 	at java.util.concurrent.FutureTask.run(FutureTask.java:262)
> 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
> 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
> 	at java.lang.Thread.run(Thread.java:745)
> Caused by: java.util.concurrent.ExecutionException: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException:
Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"),
in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodSync(AbstractManagementContext.java:343)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils.invokeMethodEffector(EffectorUtils.java:276)
> 	... 10 more
> Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: Error invoking
start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)
> 	at org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:372)
> 	at org.apache.brooklyn.core.entity.trait.StartableMethods.start(StartableMethods.java:53)
> 	at org.apache.brooklyn.core.entity.AbstractApplication.doStart(AbstractApplication.java:179)
> 	at org.apache.brooklyn.core.entity.AbstractApplication.start(AbstractApplication.java:154)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> 	at java.lang.reflect.Method.invoke(Method.java:606)
> 	at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:90)
> 	at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:324)
> 	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1207)
> 	at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1016)
> 	at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
> 	at groovy.lang.MetaObjectProtocol$invokeMethod.call(Unknown Source)
> 	at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:45)
> 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:108)
> 	at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:124)
> 	at org.apache.brooklyn.util.groovy.GroovyJavaMethods.invokeMethodOnMetaClass(GroovyJavaMethods.java:191)
> 	at org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodLocal(AbstractManagementContext.java:315)
> 	at org.apache.brooklyn.core.mgmt.internal.AbstractManagementContext.invokeEffectorMethodSync(AbstractManagementContext.java:339)
> 	... 11 more
> Caused by: java.util.concurrent.ExecutionException: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException:
Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"),
in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:370)
> 	... 30 more
> Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: Error invoking
start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)
> 	at org.apache.brooklyn.util.core.task.ParallelTask.runJobs(ParallelTask.java:80)
> 	at org.apache.brooklyn.util.core.task.CompoundTask$1.call(CompoundTask.java:81)
> 	at org.apache.brooklyn.util.core.task.CompoundTask$1.call(CompoundTask.java:1)
> 	... 5 more
> Caused by: java.util.concurrent.ExecutionException: org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException:
Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"),
in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.util.core.task.ParallelTask.runJobs(ParallelTask.java:63)
> 	... 7 more
> Caused by: org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException:
Error invoking start at EmptySoftwareProcessImpl{id=j8rtiy99gr}: Error resolving config("password"),
in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.propagate(EffectorUtils.java:318)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils$EffectorCallPropagatedRuntimeException.access$0(EffectorUtils.java:311)
> 	at org.apache.brooklyn.core.mgmt.internal.EffectorUtils.handleEffectorException(EffectorUtils.java:326)
> 	at org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$2.handleException(EffectorTasks.java:90)
> 	at org.apache.brooklyn.util.core.task.DynamicSequentialTask.handleException(DynamicSequentialTask.java:469)
> 	at org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:417)
> 	... 5 more
> Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: Error resolving
config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)
> 	at org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:372)
> 	at org.apache.brooklyn.util.core.task.Tasks$2.get(Tasks.java:293)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.preStartAtMachineAsync(MachineLifecycleEffectorTasks.java:465)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocation(MachineLifecycleEffectorTasks.java:382)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.startInLocations(MachineLifecycleEffectorTasks.java:367)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks.start(MachineLifecycleEffectorTasks.java:356)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:257)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$StartEffectorBody.call(MachineLifecycleEffectorTasks.java:1)
> 	at org.apache.brooklyn.core.effector.EffectorTasks$EffectorBodyTaskFactory$1.call(EffectorTasks.java:82)
> 	at org.apache.brooklyn.util.core.task.DynamicSequentialTask$DstJob.call(DynamicSequentialTask.java:359)
> 	... 5 more
> Caused by: java.util.concurrent.ExecutionException: java.lang.IllegalArgumentException:
Error resolving config("password"), in org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.util.core.task.BasicTask.getUnchecked(BasicTask.java:370)
> 	... 14 more
> Caused by: java.lang.IllegalArgumentException: Error resolving config("password"), in
org.apache.brooklyn.util.core.task.BasicExecutionContext@2f46ac03([LocalManagementContext[mujiHu35-oUhipl25],
BROOKLYN-SERVER]): org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.core.task.ValueResolver.getMaybeInternal(ValueResolver.java:411)
> 	at org.apache.brooklyn.util.core.task.ValueResolver.getMaybe(ValueResolver.java:257)
> 	at org.apache.brooklyn.util.core.task.ValueResolver.get(ValueResolver.java:250)
> 	at org.apache.brooklyn.util.core.task.Tasks.resolveValue(Tasks.java:139)
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag$1.apply(ResolvingConfigBag.java:67)
> 	at com.google.common.collect.Maps$7.transformEntry(Maps.java:1810)
> 	at com.google.common.collect.Maps$10.getValue(Maps.java:1855)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.putAll(ConfigBag.java:218)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.copyWhileSynched(ConfigBag.java:583)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.copy(ConfigBag.java:574)
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag.<init>(ResolvingConfigBag.java:57)
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag.newInstanceExtending(ResolvingConfigBag.java:51)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.getComputeService(JcloudsLocation.java:530)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.obtainOnce(JcloudsLocation.java:662)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.obtain(JcloudsLocation.java:626)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ObtainLocationTask.call(MachineLifecycleEffectorTasks.java:459)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ObtainLocationTask.call(MachineLifecycleEffectorTasks.java:1)
> 	at org.apache.brooklyn.util.core.task.Tasks.withBlockingDetails(Tasks.java:106)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ProvisionMachineTask.call(MachineLifecycleEffectorTasks.java:431)
> 	at org.apache.brooklyn.entity.software.base.lifecycle.MachineLifecycleEffectorTasks$ProvisionMachineTask.call(MachineLifecycleEffectorTasks.java:1)
> 	... 6 more
> Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)
> 	at org.apache.brooklyn.util.time.Durations.get(Durations.java:63)
> 	at org.apache.brooklyn.util.time.Durations.get(Durations.java:68)
> 	at org.apache.brooklyn.util.core.task.ValueResolver.getMaybeInternal(ValueResolver.java:348)
> 	... 25 more
> Caused by: java.util.concurrent.ExecutionException: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException:
NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.util.time.Durations.get(Durations.java:43)
> 	... 27 more
> Caused by: org.apache.brooklyn.util.exceptions.PropagatedRuntimeException: NullPointerException
> 	at org.apache.brooklyn.util.exceptions.Exceptions.propagate(Exceptions.java:129)
> 	at org.apache.brooklyn.camp.brooklyn.spi.dsl.BrooklynDslDeferredSupplier.get(BrooklynDslDeferredSupplier.java:136)
> 	at org.apache.brooklyn.util.core.task.ValueResolver$2.call(ValueResolver.java:334)
> 	... 6 more
> Caused by: java.util.concurrent.ExecutionException: java.lang.NullPointerException
> 	at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> 	at java.util.concurrent.FutureTask.get(FutureTask.java:188)
> 	at com.google.common.util.concurrent.ForwardingFuture.get(ForwardingFuture.java:63)
> 	at org.apache.brooklyn.util.core.task.BasicTask.get(BasicTask.java:361)
> 	at org.apache.brooklyn.camp.brooklyn.spi.dsl.BrooklynDslDeferredSupplier.get(BrooklynDslDeferredSupplier.java:129)
> 	... 7 more
> Caused by: java.lang.NullPointerException
> 	at org.apache.brooklyn.camp.brooklyn.spi.dsl.methods.DslComponent$DslConfigSupplier$1.call(DslComponent.java:307)
> 	... 5 more
> {noformat}
> Digging into this more, the most important part of the stacktrace is:
> {noformat}
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag$1.apply(ResolvingConfigBag.java:67)
> 	at com.google.common.collect.Maps$7.transformEntry(Maps.java:1810)
> 	at com.google.common.collect.Maps$10.getValue(Maps.java:1855)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.putAll(ConfigBag.java:218)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.copyWhileSynched(ConfigBag.java:583)
> 	at org.apache.brooklyn.util.core.config.ConfigBag.copy(ConfigBag.java:574)
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag.<init>(ResolvingConfigBag.java:57)
> 	at org.apache.brooklyn.util.core.config.ResolvingConfigBag.newInstanceExtending(ResolvingConfigBag.java:51)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.getComputeService(JcloudsLocation.java:530)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.obtainOnce(JcloudsLocation.java:662)
> 	at org.apache.brooklyn.location.jclouds.JcloudsLocation.obtain(JcloudsLocation.java:626)
> {noformat}
> In {{JcloudsLocation.obtain}}, we've created a {{ResolvingConfigBag}}. Then in {{getComputeService}}
we create a new {{ResolvingConfigBag}} from that. The act of copying it calls {{ResolvingConfigBag.getAllConfig}},
which applies the transform when the map is iterated over. This causes the values to be resolved.
> We don't want that to happen. We want the copy to *not* resolve the values. We can rely
on the new {{ResolvingConfigBag}} to do the resolution later.



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