David R. Heffelfinger

  Ensode Technology, LLC

 
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Java DB / Apache Derby Upgraded


Like I mentioned in My very first entry in this blog, I am running Apache Roller to run this blog.

I'm using GlassFish and Java DB, which isn't much more than a rebranded version of Apache Derby.

The setup was working OK, but every now and then Roller would throw some weird errors, valid URLs would 404, and sometimes it would go completely "out to lunch", generating error 500's.

I started looking through the GlassFish logs and noticed some entries similar to the following:


Caused by: java.lang.IndexOutOfBoundsException: Index: 0, Size: 0
at java.util.ArrayList.RangeCheck(ArrayList.java:547)
at java.util.ArrayList.get(ArrayList.java:322)
at org.apache.derby.client.net.NetCursor.findExtdtaData(Unknown Source)
at org.apache.derby.client.net.NetCursor.getClobColumn_(Unknown Source)
at org.apache.derby.client.am.Cursor.getString(Unknown Source)

I googled around and found out this issue is caused by a bug on JavaDB/Derby version 10.3.2.1 and earlier. I happened to be running 10.3.2.1. I just upgraded to version 10.3.3.0 of JavaDB/Derby. I expect the weird errors I've been seeing to go away now.

 
 
 
 
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