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2017-02-23

{:new_window: target="_blank"} {:shortdesc: .shortdesc} {:screen: .screen} {:tsSymptoms: .tsSymptoms} {:tsCauses: .tsCauses} {:tsResolve: .tsResolve}

{{site.data.keyword.objectstorageshort}} troubleshooting

{: #troubleshooting}

Here are the answers to common troubleshooting questions about using {{site.data.keyword.objectstoragefull}}. {: shortdesc}

Unrecognized token contentpack returned when using openstack4J with Liberty Profile

{: #unrecognized_token}

The following stacktrace might occur when using openstack4j with the Liberty Profile:

Exception thrown by application class 'org.openstack4j.connectors.okhttp.HttpResponseImpl.readEntity:124'
org.openstack4j.api.exceptions.ClientResponseException: Unrecognized token 'contentpack': was expecting ('true', 'false' or 'null') at [Source: contentpack ; line: 1, column: 12]
at org.openstack4j.connectors.okhttp.HttpResponseImpl.readEntity(HttpResponseImpl.java:124)
at org.openstack4j.core.transport.HttpEntityHandler.handle(HttpEntityHandler.java:56)
at org.openstack4j.connectors.okhttp.HttpResponseImpl.getEntity(HttpResponseImpl.java:68)
at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:169)
at org.openstack4j.openstack.internal.BaseOpenStackService$Invocation.execute(BaseOpenStackService.java:163)
at org.openstack4j.openstack.storage.object.internal.ObjectStorageContainerServiceImpl.list(ObjectStorageContainerServiceImpl.java:41)
at com.mimotic.SecureMessageApp.HelloResource.getInformation(HelloResource.java:47)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)

{: screen} {: tsSymptoms}

This problem results from a class-loading issue, where the openstack4j library contains some of the same packages that are provided in the Liberty profile. For example, OpenStack4j uses JERSEY, which might collide with the Wink libs. {: tsCauses}

You can fix this problem by either: {: tsResolve}

  • Using reverse classloading (parentLast).
  • Excluding jaxrs from the enabled features.

Getting help and support for {{site.data.keyword.objectstorageshort}}

{: #gettinghelp}

If you have problems or questions when using {{site.data.keyword.objectstoragefull}}, you can get help by searching for information or by asking questions through a forum. You can also open a support ticket.

When using the forums to ask a question, tag your question so that it is seen by the {{site.data.keyword.Bluemix_notm}} development teams.

  • If you have technical questions about {{site.data.keyword.objectstorageshort}}, post your question on Stack Overflow External link icon and tag your question with "ibm-bluemix" and "object-storage".
  • For questions about the service and getting started instructions, use the IBM developerWorks dW Answers External link icon forum. Include the "objectstorage" and "bluemix" tags.

See Getting help for more details about using the forums.

For information about opening an IBM support ticket, or about support levels and ticket severities, see Contacting support.