The owc_discussions URL Returns Error: java.lang.ClassCastException: com.thoughtworks.xstream.converters.extended.LocaleConverter cannot be cast to com.thoughtworks.xstream.converters.Converter
(Doc ID 2820881.1)
Last updated on OCTOBER 16, 2023
Applies to:
Oracle WebCenter Portal - Version 12.2.1.4.210608 to 12.2.1.4.210830Information in this document applies to any platform.
Symptoms
The owc_discussions URL stops Working after applying the WebCenter Portal Bundle Patch 12.2.1.4.210608 (Patch 33010608).
The following URL is not accessible:
http://<HOST>:<PORT>/owc_discussions/index.jspa
ERROR
The following error was observed in the logs of WC_Collabortation server:
java.lang.ClassCastException: com.thoughtworks.xstream.converters.extended.LocaleConverter cannot be cast to com.thoughtworks.xstream.converters.Converter
at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:73)
at com.thoughtworks.xstream.XStream$1.lookupConverterForType(XStream.java:483)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:56)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
...
at com.thoughtworks.xstream.core.DefaultConverterLookup.lookupConverterForType(DefaultConverterLookup.java:73)
at com.thoughtworks.xstream.XStream$1.lookupConverterForType(XStream.java:483)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:56)
at com.thoughtworks.xstream.core.TreeUnmarshaller.convertAnother(TreeUnmarshaller.java:50)
at com.thoughtworks.xstream.core.TreeUnmarshaller.start(TreeUnmarshaller.java:134)
at com.thoughtworks.xstream.core.AbstractTreeMarshallingStrategy.unmarshal(AbstractTreeMarshallingStrategy.java:32)
...
After rolling back the patch, the error no longer occurs.
STEPS
The issue can be reproduced at will with the following steps:
- Apply the WebCenter Portal Bundle Patch 12.2.1.4.210608 (Patch 33010608).
- Start the WC_Collaboration managed server.
- Try accessing this URL:
http://<HOST>:<PORT>/owc_discussions/index.jspa
The URL doesn't work. - Revert Patch 33010608.
- Try accessing this URL:
http://<HOST>:<PORT>/owc_discussions/index.jspaThe URL works now.
Changes
Cause
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In this Document
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Changes |
Cause |
Solution |
References |