We are accessing the Berkeley DB through the Java API deployed in a
tomcat container.

I ran a xquery (deployed in tomcat) on Windows XP which threw the
exception:

com.sleepycat.dbxml.XmlException: Error: SequenceType matching failed:
the sequence contains more than one item [err:XPTY0004], file:///<--->:116:18,
errcode = XPATH_EVALUATION_ERROR
at com.sleepycat.dbxml.dbxml_javaJNI.XmlResults_hasNe xt(Native
Method)
at com.sleepycat.dbxml.XmlResults.hasNext(XmlResults. java:45)

There was a problem in the xquery, where I was trying to do an "order
by" on an attribute that had multiple values.

However this query in Berkeley DB (2.3.10) on CentOS Linux (Linux
2.6.9-42.0.3.ELsmp #1 SMP Fri Oct 6 06:28:26 CDT 2006 x86_64 x86_64
x86_64 GNU/Linux) crashed the container!!

I do not quite understand as to why an xquery would bring down the
container. I removed the "order by" clause from the xquery and
everything work fine.

Any help on debugging such issues is really appreciated.

Thanks,
Suresh

I'm not sure what you mean by "crashed the container". An error in an
XQuery will not cause container corruption or crash your application
unless you do not handle the exception correctly.

John

On Mar 9, 8:07 pm, "Suresh" <sbku... (AT) gmail (DOT) com> wrote: