Why is the Incremental Crawl Job Failing with InvalidClass Exception at the Content Update Task? (Doc ID 2030750.1)

Last updated on APRIL 04, 2017

Applies to:

Oracle Knowledge - Version 8.5.1.5 and later
Information in this document applies to any platform.

Symptoms

When running an incremental job with remote workers the job fails at the Content Update Step:

[653 ContentProcessorworker1-ContentProcessorworker1-taskrun (23)] Action acquireContent for collection "Contacts" failed, cause: com.inquira.content.ContentStoreException: [ContentProcessorworker1-ContentProcessorworker1-taskrun @ Wed Jun 24 10:26:20 EDT 2015 - ContentUpdate] (UNKNOWN_ERROR com.inquira.content.im.IMChannelCrawlerConfig@60051f44(Contacts) select state_value from crawler_state [SQLSERVER_PLACE_HOLDER] where collection_id = ?)
java.io.InvalidClassException: com.inquira.util.i18n.Language$1; local class incompatible: stream classdesc serialVersionUID = 4103695791597378548, local class serialVersionUID = -8472902795080053844
at java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:560)
at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1599)
at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1494)
at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1748)
at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1327)
at java.io.ObjectInputStream.readObject(ObjectInputStream.java:349)
at java.util.ArrayList.readObject(ArrayList.java:593)
at sun.reflect.GeneratedMethodAccessor2.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)

Running the full crawl job with remote works succeeds.

Cause

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