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Posted by Gabriel on April 6, 2006, 8:07 am
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I am writing a SOAP client, and I've been having difficulties using
SOAP::Lite to work properly with the supplied service. I have a sample
SOAP request, which was created using PHP, and I know that it works, so
I simply need to 'copy' it with perl, in order to get it working,
right?
Anyway, this is what the successful PHP-composed SOAP envelope looks
like:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:ns4="http://www.freshdigital.co.uk/mediastore">
<SOAP-ENV:Body>
<ns4:search>
<ns4:session>$SESSIONID</ns4:session>
<ns4:searchTerms>
<ns4:item>
<ns4:key>ARTISTID</ns4:key>
<ns4:value>2047</ns4:value>
<ns4:like>true</ns4:like>
</ns4:item>
</ns4:searchTerms>
<ns4:searchType>OR</ns4:searchType>
<ns4:offset>0</ns4:offset>
<ns4:count>50</ns4:count>
</ns4:search>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
(the $SESSIONID bit should actually contain a valid sessionID, which I
removed for this public posting)
And the documentation says this about their 'search' functionality.
requires: sessionid, searchTerms (an array of search criteria),
searchtype (AND or OR), offset, and count.
anyway, this is the perl code I used to 'emulate' this SOAP call.
my @searchterms = (
SOAP::Data->name("searchTerms" =>
\SOAP::Data->value(SOAP::Data->name("item" =>
[
SOAP::Data->type('string')->name('key')->value('GENRE'),
SOAP::Data->type('string')->name('value')->value('rock'),
SOAP::Data->type('boolean')->name('like')->value('true')
]
))
)
);
my $result = $soap->search( $sessionID, @searchterms, "OR", 0, 10 );
which results in this SOAP envelope being passed on to the SOAP
service:
<?xml version="1.0" encoding="UTF-8"?>
<SOAP-ENV:Envelope
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:SOAP-ENC="http://schemas.xmlsoap.org/soap/encoding/"
xmlns:SOAP-ENV="http://schemas.xmlsoap.org/soap/envelope/"
xmlns:xsd="http://www.w3.org/2001/XMLSchema"
SOAP-ENV:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<SOAP-ENV:Body>
<namesp2:search
xmlns:namesp2="http://www.freshdigital.co.uk/mediastore">
<session xsi:type="xsd:string">$SESSIONID</session>
<searchTerms>
<item xsi:type="SOAP-ENC:Array"
SOAP-ENC:arrayType="xsd:anyType[3]">
<key xsi:type="xsd:string">GENRE</key>
<value xsi:type="xsd:string">rock</value>
<like xsi:type="xsd:boolean">true</like>
</item>
</searchTerms>
<searchType xsi:type="xsd:string">OR</searchType>
<offset xsi:type="xsd:int">0</offset>
<count xsi:type="xsd:int">10</count>
</namesp2:search>
</SOAP-ENV:Body>
</SOAP-ENV:Envelope>
(once again, I have changed the real sessionID to $SESSIONID, for
privacy reasons).
which, while being more verbose, appears (to me) to be much the same
thing.
Unfortunately, I get this (not very useful) error message from the
service, after submitting the above search request:
<faultcode>soapenv:Server.userException</faultcode>
<faultstring>java.lang.ArrayStoreException:
[Ljava.lang.Object;</faultstring>
<detail>
<ns1:hostname
xmlns:ns1="http://xml.apache.org/axis/">bridgaa2</ns1:hostname>
</detail>
So it looks like some kind of problem with the array, but other than
that, I have no idea what I am doing wrong. Perhaps someone more
experienced with SOAP can point out my obvious mistake, or what the
problem may be.
My apologies if this post has been a bit verbose with the XML, but I
felt it was necessary in order to figure out the problem.
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Posted by Gabriel on April 6, 2006, 10:16 am
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well, I officially feel like a dolt now.
The 'problem' was that I was using two arrays, and I should have been
using one.
This is what my code should have looked like:
my $searchterms = SOAP::Data->name(searchTerms =>
\SOAP::Data->name(item =>
\SOAP::Data->value(
SOAP::Data->name(key => 'ARTISTID'),
SOAP::Data->name(value => '2047')->type('string'),
SOAP::Data->name(like => 'true')->type('boolean'),
)
)
);
my $result = $soap->search( $sessionID, $searchterms, "OR", 0, 10 );
Sorted. Thanks anyway, to all who may have taken the time to read my
post, its appreciated all the same.
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