I appreciate your effort to promptly support us. Thank you very much.

Hsing Cheng Production Test Engineer

-----Original Message----- From: Christian Grün [mailto:christian.gruen@gmail.com] Sent: Saturday, November 19, 2011 11:47 AM To: Cheng, Hsing Cc: basex-talk@mailman.uni-konstanz.de Subject: Re: [basex-talk] BaseX 7.0.2: Potential bug? Improper use?

The bug has been fixed. Please have a look at one of our latest stable snapshot:

http://docs.basex.org/wiki/Releases

Best, Christian

On Sat, Nov 19, 2011 at 5:34 PM, Christian Grün christian.gruen@gmail.com wrote:

Dear Hsin Cheng,

thanks for reporting this issue, which is a clear bug. I've added a GitHub issue:

https://github.com/BaseXdb/basex/issues/282

We'll fix this one pretty soon, and give you an update.

Best, Christian ___________________________

On Fri, Nov 18, 2011 at 5:50 PM, Cheng, Hsing HCheng@opnext.com wrote:

...

Hi,

I got the following response and am not sure where the problem is:

Query: doc("XPath test.xml")//*[contains(./(@*),"e")]

Error: Potential bug? Improper use? Your feedback is welcome:

Contact: basex-talk@mailman.uni-konstanz.de

Version: BaseX 7.0.2

Java: Sun Microsystems Inc., 1.6.0_26

OS: Windows XP, x86

Stack Trace:

java.lang.ClassCastException: org.basex.query.path.AxisPath cannot be cast to org.basex.query.path.AxisStep

org.basex.query.path.Path.optSteps(Path.java:154)

org.basex.query.path.MixedPath.compPath(MixedPath.java:47)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.func.FuncCall.comp(FuncCall.java:64)

org.basex.query.expr.Preds.comp(Preds.java:50)

org.basex.query.path.AxisStep.comp(AxisStep.java:98)

org.basex.query.path.AxisPath.compPath(AxisPath.java:108)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.QueryContext.compile(QueryContext.java:260)

org.basex.query.QueryProcessor.compile(QueryProcessor.java:106)

org.basex.core.cmd.AQuery.query(AQuery.java:78)

org.basex.core.cmd.XQuery.run(XQuery.java:22)

org.basex.core.Command.run(Command.java:328)

org.basex.core.Command.exec(Command.java:309)

org.basex.core.Command.execute(Command.java:77)

org.basex.gui.GUI.exec(GUI.java:416)

org.basex.gui.GUI$5.run(GUI.java:366)

Query: doc("XPath test.xml")//*[contains(string(./(@*)),"e")]

Error: Potential bug? Improper use? Your feedback is welcome:

Contact: basex-talk@mailman.uni-konstanz.de

Version: BaseX 7.0.2

Java: Sun Microsystems Inc., 1.6.0_26

OS: Windows XP, x86

Stack Trace:

java.lang.ClassCastException: org.basex.query.path.AxisPath cannot be cast to org.basex.query.path.AxisStep

org.basex.query.path.Path.optSteps(Path.java:154)

org.basex.query.path.MixedPath.compPath(MixedPath.java:47)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.func.FuncCall.comp(FuncCall.java:64)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.func.FuncCall.comp(FuncCall.java:64)

org.basex.query.expr.Preds.comp(Preds.java:50)

org.basex.query.path.AxisStep.comp(AxisStep.java:98)

org.basex.query.path.AxisPath.compPath(AxisPath.java:108)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.QueryContext.compile(QueryContext.java:260)

org.basex.query.QueryProcessor.compile(QueryProcessor.java:106)

org.basex.core.cmd.AQuery.query(AQuery.java:78)

org.basex.core.cmd.XQuery.run(XQuery.java:22)

org.basex.core.Command.run(Command.java:328)

org.basex.core.Command.exec(Command.java:309)

org.basex.core.Command.execute(Command.java:77)

org.basex.gui.GUI.exec(GUI.java:416)

org.basex.gui.GUI$5.run(GUI.java:366)

Query: doc("XPath test.xml")//*[string(./(@*))="2e"]

Error: Potential bug? Improper use? Your feedback is welcome:

Contact: basex-talk@mailman.uni-konstanz.de

Version: BaseX 7.0.2

Java: Sun Microsystems Inc., 1.6.0_26

OS: Windows XP, x86

Stack Trace:

java.lang.ClassCastException: org.basex.query.path.AxisPath cannot be cast to org.basex.query.path.AxisStep

org.basex.query.path.Path.optSteps(Path.java:154)

org.basex.query.path.MixedPath.compPath(MixedPath.java:47)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.func.FuncCall.comp(FuncCall.java:64)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.expr.CmpG.comp(CmpG.java:135)

org.basex.query.expr.Preds.comp(Preds.java:50)

org.basex.query.path.AxisStep.comp(AxisStep.java:98)

org.basex.query.path.AxisPath.compPath(AxisPath.java:108)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.QueryContext.compile(QueryContext.java:260)

org.basex.query.QueryProcessor.compile(QueryProcessor.java:106)

org.basex.core.cmd.AQuery.query(AQuery.java:78)

org.basex.core.cmd.XQuery.run(XQuery.java:22)

org.basex.core.Command.run(Command.java:328)

org.basex.core.Command.exec(Command.java:309)

org.basex.core.Command.execute(Command.java:77)

org.basex.gui.GUI.exec(GUI.java:416)

org.basex.gui.GUI$5.run(GUI.java:366)

Query: doc("XPath test.xml")//*[./(@*)="2e"]

Error: Potential bug? Improper use? Your feedback is welcome:

Contact: basex-talk@mailman.uni-konstanz.de

Version: BaseX 7.0.2

Java: Sun Microsystems Inc., 1.6.0_26

OS: Windows XP, x86

Stack Trace:

java.lang.ClassCastException: org.basex.query.path.AxisPath cannot be cast to org.basex.query.path.AxisStep

org.basex.query.path.Path.optSteps(Path.java:154)

org.basex.query.path.MixedPath.compPath(MixedPath.java:47)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.expr.Arr.comp(Arr.java:36)

org.basex.query.expr.CmpG.comp(CmpG.java:135)

org.basex.query.expr.Preds.comp(Preds.java:50)

org.basex.query.path.AxisStep.comp(AxisStep.java:98)

org.basex.query.path.AxisPath.compPath(AxisPath.java:108)

org.basex.query.path.Path.comp(Path.java:83)

org.basex.query.QueryContext.compile(QueryContext.java:260)

org.basex.query.QueryProcessor.compile(QueryProcessor.java:106)

org.basex.core.cmd.AQuery.query(AQuery.java:78)

org.basex.core.cmd.XQuery.run(XQuery.java:22)

org.basex.core.Command.run(Command.java:328)

org.basex.core.Command.exec(Command.java:309)

org.basex.core.Command.execute(Command.java:77)

org.basex.gui.GUI.exec(GUI.java:416)

org.basex.gui.GUI$5.run(GUI.java:366)

The following one is good and shows the right answer:

Query: doc("XPath test.xml")//*[(@*)="2e"]

Compiling:

• pre-evaluating fn:doc("XPath test.xml")

• optimizing descendant-or-self step(s)

• applying attribute index

Result: db:attribute("XPathtest", "2e")/parent::*

Timing:

• Parsing:  0.59 ms

• Compiling:  30.36 ms

• Evaluating:  1.67 ms

• Printing:  0.17 ms

• Total Time:  32.79 ms

Result:

• Results: 1 Item

• Updated: 0 Items

• Printed: 24 Bytes

Query plan:

<AxisPath>

<IndexAccess data="XPathtest" type="ATTRIBUTE">

<Item value="2e" type="xs:string"/>

</IndexAccess>

<IterStep axis="parent" test="*"/>

</AxisPath>

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Important : This message is intended only for the recipient(s) identified above by the originator or forwarder of this message and may contain information that is confidential, proprietary and/or legally privileged. If you have any reason to believe or suspect that this message may have come to you in error, please notify the originator of this message of your receipt of it, refrain from sharing this message with anyone else, delete it from each computer or server on which it is stored (without copying it or printing it out) and take no other action based on its content. Thank you.