Service Is Unavailable in Comment Area for WebCenter Sites|Community (Doc ID 1625704.1)

Last updated on JULY 07, 2017

Applies to:

Oracle WebCenter Sites - Version 11.1.1.8.0 and later
Information in this document applies to any platform.

Symptoms

For some assets the Community comments block shows "Service is unavailable", while for others the block shows up correctly.
The log cg_production_node1.log contains errors:

2014-02-05 11:23:41,703 [pool-5-thread-1] ERROR net.sf.ehcache.store.DiskStore - commonCache: Could not read disk store element for key 1230987654321. Error was null
java.io.EOFException
     at java.io.ObjectInputStream$BlockDataInputStream.readFully(ObjectInputStream.java:2742)
     at java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:1978)
...
     at net.sf.ehcache.Cache.getQuiet(Cache.java:1168)
     at com.fatwire.cache.ehcache.EhCacheObjectCache._get(EhCacheObjectCache.java:303)
     at com.fatwire.cache.ehcache.EhCacheObjectCache.access$700(EhCacheObjectCache.java:38)
     at com.fatwire.cache.ehcache.EhCacheObjectCache$Purge.run(EhCacheObjectCache.java:1395)
     at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
..

Cause

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