Passing xml as Patameter to servlet (Catalina)

I am having problem with passing xml as parameter to a servlet using tomcat 4-0-5 ( it works fine on tomcat 3.2 !)
The servlet request.getParameter("xmlstring") returns a null.
If from xml I remove version= form the <?xml version=\�.0\" ?> tag, then request.getParameter("xmlstring") shows the string that I passed correctly. But then my xml string is malformed.
I have tried passing the xml string to the servlet from browser and by opening a connection & passing in the parameter.
It gives the same error in both cases
Also this works fine if I use tomcat 3.2 as the server. I am getting this error in tomcat 4-0-5
Thanks,
Ritu

One or two small changes should help. First, take the XML you've listed as a parameter and place it in it's own file. Put the .xml file in the /WEB-INF directory right next to the web.xml file. Second, create a servlet-param with the name of the file. Third, in the servlet, get the name of the file and use the ServletContext.getResourceAsStream("/WEB-INF/" + filename) to get the file. You can then parse it from there.

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Hi,
can any one tell me how to pass XML data between applications
Thanks in advance
Sudheer

Steve,
I tried the code in the http package in the Appendix A section of your book. Each time i try a POST I get a HTTP/1.1 400 Bad Request error from the server. I can successfully do a GET from URLs. I have pretty much copied your code verbatim. Any ideas?
Thanks,
Sunder
<BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by Steven Muench ([email protected]):
See the "Working with XML Messages" section starting on page 242 of my Building Oracle XML Applications. It covers how to Send and Receive XML messages over the web through HTTP GET and HTTP POST as well as specifically Example 6-30 that illustrates how to receive a posted XML message in a servlet and process it.
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Pass XML Data Between PDFs Using openDoc

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Steve,
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Update the passed XML in a PL/SQL procedure and then use DBMS_XMLSAVE

hi folks,
This is a great forum and most of you guys were awesome in replying to complex queries........
I have a small issue, I am trying to do a bulk insert from my application by constructing an XML result set and pass that XML to the SP as a CLOB and using DBMS_XMLSAVE package to insert it to the oracle table. It works like a charm for me when this is as straight forward as this. But when my requirement is, I need to generate sequence numbers for a particular column (Primary key column), while for other columns I pass values from the UI (as a XML object which my SP accepts as a CLOB), i am at a loss for solution to achieve this. It would mean, that I have to generate the sequence numbers for each row and then update this value to the passed XML clob. Any indicators on how to achieve this?
I found this solution at one of the thread which might most probably help me,
declare
2 l_cnt number;
3 begin
4 select count(*) into l_cnt from books,xmltable('/Books/Book' passing object_value);
5 for i in 1..l_cnt loop
6 update books set object_value =
7 updatexml(object_value,'/Books/Book['||i||']/BookID', xmlelement("BookID",sequence_bookid.nextval))
8 where existsnode(object_value,'/Books/Book['||i||']')=1;
9 end loop;
10 end;
11 /
But here, they are trying to update a XMLTable book, but in my case the XML is a clob object and not a XML table. Will this solution work for my case as well? Please provide any pointers to me... Thanks...

First if your version of Oracle has DBMS_XMLSTORE, use that instead.
Reason: {thread:id=876376} (See Marco's response).
It is possible you could run into issues, but you should start with DBMS_XMLSTORE.
Since you will have the XML in the SP, treat the data as an XMLType instead of a CLOB for as long as you can since you need to do UpdateXML on it.
For your sample PL/SQL code, lines 4-5 are replaced with the WHILE loop shown in Method 2 at
{message:id=3610259}.
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SELECT UPDATEXML(<l_xmltype_variable>, ...)
INTO <l_xmltype_variable>
FROM dual;
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Very urgent help needed- Error while passing XML document to Oracle stored

Hi !
I have been struggling a lot to call Oracle 9i stored procedure passing Stringbuilder object type from ASP.NET
I am using Visual Studio 2008 Professional, OS: Windows XP and Oracle: 9.2.0.1.0
Following is the procedure:
CREATE or REPLACE PROCEDURE loadCompanyInfo (clobxml IN clob) IS
-- Declare a CLOB variable
ciXML clob;
BEGIN
-- Store the Purchase Order XML in the CLOB variable
ciXML := clobxml;
-- Insert the Purchase Order XML into an XMLType column
INSERT INTO companyinfotbl (companyinfo) VALUES (XMLTYPE(ciXML));
commit;
--Handle the exceptions
EXCEPTION
WHEN OTHERS THEN
raise_application_error(-20101, 'Exception occurred in loadCompanyInfo procedure :'||SQLERRM);
END loadCompanyInfo ;
And following is the ASP.net code:
StringBuilder b = new StringBuilder();
b.Append("<?xml version=\"1.0\" encoding=\"utf-8\" ?>");
b.Append("<item>");
b.Append("<price>500</price>");
b.Append("<description>some item</description>");
b.Append("<quantity>5</quantity>");
b.Append("</item>");
//Here you'll have the Xml as a string
string myXmlString1 = b.ToString();
//string result;
using (OracleConnection objConn = new OracleConnection("Data Source=testdb; User ID=testuser; Password=pwd1"))
OracleCommand objCmd = new OracleCommand();
objCmd.Connection = objConn;
objCmd.CommandText = "loadCompanyInfo";
objCmd.CommandType = CommandType.StoredProcedure;
//OracleParameter pmyXmlString1 = new OracleParameter("pmyXmlString1", new OracleString(myXmlString1));
objCmd.Parameters.Add("myXmlString1", OracleType.clob);
objCmd.Parameters.Add(myXmlString1).Direction = ParameterDirection.Input;
//objCmd.Parameters.Add("result", OracleType.VarChar).Direction = ParameterDirection.Output;
try
objConn.Open();
objCmd.ExecuteNonQuery();
catch (Exception ex)
Label1.Text = "Exception: {0}" + ex.ToString();
objConn.Close();
When I am trying to execute it, I am getting the following error:
Exception: {0}System.Data.OracleClient.OracleException: ORA-06550: line 1, column 7: PLS-00306: wrong number or types of arguments in call to 'LOADCOMPANYINFO' ORA-06550: line 1, column 7: PL/SQL: Statement ignored at System.Data.OracleClient.OracleConnection.CheckError(OciErrorHandle errorHandle, Int32 rc) at System.Data.OracleClient.OracleCommand.Execute(OciStatementHandle statementHandle, CommandBehavior behavior, Boolean needRowid, OciRowidDescriptor& rowidDescriptor, ArrayList& resultParameterOrdinals) at System.Data.OracleClient.OracleCommand.ExecuteNonQueryInternal(Boolean needRowid, OciRowidDescriptor& rowidDescriptor) at System.Data.OracleClient.OracleCommand.ExecuteNonQuery() at Default.Button1Click(Object sender, EventArgs e)
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Can you please help me to solve this problem? I hope that you can help solve this.
Also, can you please give me an example of passing XML document XMLdocument to Oracle Stored procedure.
In both the cases, if you can provide the working code then it would be of great help.
Thanks,

Hi ,
Additional to the Above error details my BPEL code looks like this:
<process name="BPELProcess1"
targetNamespace="http://xmlns.oracle.com/Application10/Project10/BPELProcess1"
xmlns="http://schemas.xmlsoap.org/ws/2003/03/business-process/"
xmlns:client="http://xmlns.oracle.com/Application10/Project10/BPELProcess1"
xmlns:ora="http://schemas.oracle.com/xpath/extension"
xmlns:bpelx="http://schemas.oracle.com/bpel/extension"
xmlns:bpws="http://schemas.xmlsoap.org/ws/2003/03/business-process/">
<partnerLinks>
<partnerLink name="bpelprocess1_client" partnerLinkType="client:BPELProcess1" myRole="BPELProcess1Provider" partnerRole="BPELProcess1Requester"/>
</partnerLinks>
<variables>
<variable name="inputVariable" messageType="client:BPELProcess1RequestMessage"/>
<variable name="outputVariable" messageType="client:BPELProcess1ResponseMessage"/>
</variables>
<sequence name="main">
<receive name="receiveInput" partnerLink="bpelprocess1_client" portType="client:BPELProcess1" operation="process" variable="inputVariable" createInstance="yes"/>
<invoke name="callbackClient" partnerLink="bpelprocess1_client" portType="client:BPELProcess1Callback" operation="processResponse" inputVariable="outputVariable"/>
</sequence>
</process>
Kindly help if anyone has faced this Issue before.
Regards,
Rakshitha

Trying to pass xml data to a web service

I'm working on an Apex application that is required to pass data to a web service for loading into another (non Oracle) system. The web service expects two stings as input, the first string is simply an ID, the second string is an xml document. I generate an xml 'string' using PL/SQL in an on-submit process prior to invoking the web service. If I pass regular text for the second parameter, the web service returns an error message which is stored in the response collection and displayed on the page as expected. When I pass the the xml data, I get a no data found error and the response collection is empty. I have tried this in our development environment on Apex 3.1.2 (database version 10.2). I also tried this on our Apex 4.0.2 sandbox (with the same Oracle 10.2 database). I have found that once I have nested xml, I get the no data found message, if I pass partial xml data, I get the error response from the web service. Perhaps I am not generating the xml correctly to pass to the web service (this only just occurred to me as I write this)? Or is there an issue passing xml data from Apex to the web service? Any help will be greatly appreciated! here is the code I use to generate the xml string:
declare
cursor build_data is
    select u_catt_request_buid,u_catt_request_name,u_catt_cassette_buid,u_catt_cassette_name
      ,u_project_name,u_sub_project,replace(u_nominator,'ERROR ','') u_nominator
      ,replace(replace(u_going_to_vqc,'Yes','true'),'No','false') u_going_to_vqc
      ,u_promoter,u_cds,u_terminator
      ,u_primary_trait,u_source_mat_prvd,u_pro_resistance_1,u_vector_type
      ,nvl(u_my_priority,'Medium') u_my_priority
      ,replace(replace(u_immediate_trafo,'Yes','true'),'No','false') u_immediate_trafo
      ,replace(replace(u_new_bps_cmpnt,'Yes','true'),'No','false') u_new_bps_cmpnt
      ,u_compnt_name,u_new_cmpt_desc,initcap(u_target_crop) u_target_crop,u_corn_line
      ,u_plant_selection,u_num_of_ind_events,u_num_plants_per_event,u_molecular_quality_events
      ,replace(replace(u_field,'Yes','true'),'No','false') u_field
      ,u_t1_seed_request,u_potential_phenotype,u_submission_date
      ,u_sequence_length,u_trait,u_frst_parent,u_frst_parent_vshare_id,u_cds_vshare_id
      ,constructid,cassetteid,description
    from temp_constructs_lims
    order by constructid,description;
v_xml_info         varchar2(350);
v_xml_header       varchar2(1000);
v_xml_data         clob;
v_xml_footer       varchar2(50);
v_create_date      varchar2(10);
v_scientist_name   v_users.full_name%type;
v_scientist_email v_users.email_address%type;
v_primas_code      construct.fkprimas%type;
v_nominator_name   v_nominators.full_name%type;
v_file_length      number;
begin
-- initialize variables
v_create_date := to_char(sysdate,'YYYY-MM-DD');
v_xml_data := null;
-- get name and email address
begin
    select full_name,email_address
    into v_scientist_name,v_scientist_email
    from v_users
    where ldap_account = :F140_USER_ID;
exception when no_data_found then
    v_scientist_name := '';
    v_scientist_email := '';
    v_scientist_name := 'Test, Christine';
    v_scientist_email := '[email protected]';
end;
-- set up xml file
if :OWNER like '%DEV%' then
    v_xml_info := '
      <?xml version="1.0" encoding="utf-8"?>
      <exchange xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns="deService"
                xsi:schemaLocation="deService http://mycompany.com/webservices/apexdataexchange/schemas/RTPCATT.xsd">
else
    v_xml_info := '
      <?xml version="1.0" encoding="utf-8"?>
      <exchange xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns="deService"
                xsi:schemaLocation="deService http://mycompanyprod.com/webservices/apexdataexchange/schemas/RTPCATT.xsd">
end if;
-- populate xml header records
v_xml_header := '<header xmlns="">
    <stdXmlVer>2.0</stdXmlVer>
    <sendingUnit>'||:P36_UNIT_NUMBER||'</sendingUnit>
    <sendingPerson>'||v_scientist_name||'</sendingPerson>
    <notification>'||v_scientist_email||'</notification>
    <creationDate>'||v_create_date||'</creationDate>
</header>
<entities xmlns="">
for rec in build_data loop
    begin
      -- get primas code for current construct
      select fkprimas
      into v_primas_code
      from construct
      where constructid = rec.constructid;
    exception when no_data_found then
      v_primas_code := null;
    end;
    begin
      -- get nominator name for current construct
      select full_name
      into v_nominator_name
      from v_nominators
      where nominator_id = rec.u_nominator;
    exception
      when no_data_found then
        v_nominator_name := null;
      when invalid_number then
        v_nominator_name := catt_pkg.full_name_from_user_id(p_user_id => rec.u_nominator);
        v_nominator_name := 'Test, Christine';
    end;
    v_xml_data := v_xml_data||'
      <Construct>
      <requestBUID>'||rec.u_catt_request_buid||'</requestBUID>
      <requestName>'||rec.u_catt_request_name||'</requestName>
      <cassetteBUID>'||rec.u_catt_cassette_buid||'</cassetteBUID>
      <cassetteName>'||rec.u_catt_cassette_name||'</cassetteName>
      <scientist>'||v_scientist_name||'</scientist>
      <projectNumber>'||v_primas_code||'</projectNumber>
      <subProject>'||rec.u_sub_project||'</subProject>
      <comments>'||rec.description||'</comments>
      <nominator>'||v_nominator_name||'</nominator>
      <goingToVqc>'||rec.u_going_to_vqc||'</goingToVqc>
      <primaryTrait>'||rec.u_primary_trait||'</primaryTrait>
      <sourceMatPrvd>'||rec.u_source_mat_prvd||'</sourceMatPrvd>
      <prokaryoticResistance>'||rec.u_pro_resistance_1||'</prokaryoticResistance>
      <vectorType>'||rec.u_vector_type||'</vectorType>
      <priority>'||rec.u_my_priority||'</priority>
      <immediateTrafo>'||rec.u_immediate_trafo||'</immediateTrafo>
      <newComponent>'||rec.u_new_bps_cmpnt||'</newComponent>
      <componentName>'||rec.u_compnt_name||'</componentName>
      <newComponentDescription>'||rec.u_new_cmpt_desc||'</newComponentDescription>
      <targetCrop>'||rec.u_target_crop||'</targetCrop>
      <Line>'||rec.u_corn_line||'</Line>
      <plantSelection>'||rec.u_plant_selection||'</plantSelection>
      <numOfIndEvents>'||rec.u_num_of_ind_events||'</numOfIndEvents>
      <numOfPlantsPerEvent>'||rec.u_num_plants_per_event||'</numOfPlantsPerEvent>
      <molecularQualityEvents>'||rec.u_molecular_quality_events||'</molecularQualityEvents>
      <toField>'||rec.u_field||'</toField>
      <potentialPhenotype>'||rec.u_potential_phenotype||'</potentialPhenotype>
      </Construct>
end loop;
-- complete xml data
v_xml_footer := '
      </entities>
    </exchange>
-- complete submission data
:P36_XML_SUBMISSION := null;
:P36_XML_SUBMISSION := v_xml_info||v_xml_header||v_xml_data||v_xml_footer;
:P36_XML_SUBMISSION := trim(:P36_XML_SUBMISSION);
end;Here is an example of :P36_XML_SUBMISSION:
<?xml version="1.0" encoding="utf-8"?> <exchange xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="deService" xsi:schemaLocation="deService http://mycompany.com/webservices/apexdataexchange/schemas/RTPCATT.xsd"> <header xmlns=""> <stdXmlVer>2.0</stdXmlVer> <sendingUnit>10</sendingUnit> <sendingPerson>Test, Christine</sendingPerson> <notification>[email protected]</notification> <creationDate>2011-12-20</creationDate> </header> <entities xmlns=""> <Construct> <requestBUID>150000123</requestBUID> <requestName>AA0000123</requestName> <cassetteBUID>160000123</cassetteBUID> <cassetteName>AB000123</cassetteName> <scientist>Test, Christine</scientist> <projectNumber>T000123</projectNumber> <subProject>Discovery Plus</subProject> <comments>AA0000123 From CATT on 20-DEC-11 </comments> <nominator>Test, Christine</nominator> <goingToVqc>true</goingToVqc> <primaryTrait>promoter::intron::transit:gene::terminator</primaryTrait> <sourceMatPrvd>seed - stuff</sourceMatPrvd> <prokaryoticResistance></prokaryoticResistance> <vectorType>Plant Vector</vectorType> <priority>Medium</priority> <immediateTrafo>true</immediateTrafo> <newComponent></newComponent> <componentName>gene</componentName> <newComponentDescription>unknown function; sequence has some similarity to others</newComponentDescription> <targetCrop>Crop</targetCrop> <Line>Inbred</Line> <plantSelection>smidge ver2</plantSelection> <numOfIndEvents>6</numOfIndEvents> <numOfPlantsPerEvent>1</numOfPlantsPerEvent> <molecularQualityEvents>NA</molecularQualityEvents> <toField>true</toField> <potentialPhenotype></potentialPhenotype> </Construct> </entities> </exchange>My application page is accessed by an action from another page. The user reviews the data in a sql report region. When the use clicks on the Upload (SUBMIT) button, the xml string is generated first and then the web service is invoked. I have tried passing a simple string as the second parameter ("dummydata") and partial data in the xml string ("<sendingPerson>Test, Christine</sendingPerson>") the web service returns this error in both cases:
Error[Validate Data]: (XML) = Data at the root level is invalid. Line 1, position 1.. Cannot validate the XML! Data Exchange not accepted!Once I pass the entire xml string above, I get an Oracle-01403: no data found error. I have opened the web service in IE and pasted my xml input string and received a valid, verified result, so I am sure that the generated xml is correct. I have spoken with the web service developer; there are no log entries created by the web service when I submit the full xml string, so I suspect the failure is in the Apex application.
Thanks,
Christine
I should add that once I have nested tags in the xml, I get the Oracle no data found error ("<header xmlns=""> <stdXmlVer>2.0</stdXmlVer> <sendingUnit>10</sendingUnit> </header>"). I f I do not have nested tags in the xml ("<notification>[email protected]</notification> <creationDate>2011-12-20</creationDate>"), I get the web service response (error).
Edited by: ChristineD on Dec 20, 2011 9:54 AM

Ok, I think I'm getting closer to thinking this all the way through. When I have used clobs in the past, I've always used the DBMS_CLOB package. I use this to create a temp clob and then make the above calls. I had to go find an example in my own code to remember all of this. So, here is another suggestion... feel free to disregard all the previous code snippets..
declare
cursor build_data is
    select u_catt_request_buid,u_catt_request_name,u_catt_cassette_buid,u_catt_cassette_name
      ,u_project_name,u_sub_project,replace(u_nominator,'ERROR ','') u_nominator
      ,replace(replace(u_going_to_vqc,'Yes','true'),'No','false') u_going_to_vqc
      ,u_promoter,u_cds,u_terminator
      ,u_primary_trait,u_source_mat_prvd,u_pro_resistance_1,u_vector_type
      ,nvl(u_my_priority,'Medium') u_my_priority
      ,replace(replace(u_immediate_trafo,'Yes','true'),'No','false') u_immediate_trafo
      ,replace(replace(u_new_bps_cmpnt,'Yes','true'),'No','false') u_new_bps_cmpnt
      ,u_compnt_name,u_new_cmpt_desc,initcap(u_target_crop) u_target_crop,u_corn_line
      ,u_plant_selection,u_num_of_ind_events,u_num_plants_per_event,u_molecular_quality_events
      ,replace(replace(u_field,'Yes','true'),'No','false') u_field
      ,u_t1_seed_request,u_potential_phenotype,u_submission_date
      ,u_sequence_length,u_trait,u_frst_parent,u_frst_parent_vshare_id,u_cds_vshare_id
      ,constructid,cassetteid,description
    from temp_constructs_lims
    order by constructid,description;
v_xml_info         varchar2(350);
v_xml_header       varchar2(1000);
v_xml_data         clob;
v_xml_footer       varchar2(50);
v_create_date      varchar2(10);
v_scientist_name   v_users.full_name%type;
v_scientist_email v_users.email_address%type;
v_primas_code      construct.fkprimas%type;
v_nominator_name   v_nominators.full_name%type;
v_file_length      number;
v_xml_body    varchar2(32767); --added by AustinJ
v_page_item    varchar2(32767); --added by AustinJ
begin
-- initialize variables
v_create_date := to_char(sysdate,'YYYY-MM-DD');
--v_xml_data := null;   --commented out by AustinJ
dbms_lob.createtemporary( v_xml_data, FALSE, dbms_lob.session ); --added by AustinJ
dbms_lob.open( v_xml_data, dbms_lob.lob_readwrite ); --added by AustinJ
-- get name and email address
begin
    select full_name,email_address
    into v_scientist_name,v_scientist_email
    from v_users
    where ldap_account = :F140_USER_ID;
exception when no_data_found then
    v_scientist_name := '';
    v_scientist_email := '';
    v_scientist_name := 'Test, Christine';
    v_scientist_email := '[email protected]';
end;
-- set up xml file
if :OWNER like '%DEV%' then
    v_xml_info := '
      <?xml version="1.0" encoding="utf-8"?>
      <exchange xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns="deService"
                xsi:schemaLocation="deService http://mycompany.com/webservices/apexdataexchange/schemas/RTPCATT.xsd">
else
    v_xml_info := '
      <?xml version="1.0" encoding="utf-8"?>
      <exchange xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
                xmlns="deService"
                xsi:schemaLocation="deService http://mycompanyprod.com/webservices/apexdataexchange/schemas/RTPCATT.xsd">
end if;
-- populate xml header records
v_xml_header := '<header xmlns="">
    <stdXmlVer>2.0</stdXmlVer>
    <sendingUnit>'||:P36_UNIT_NUMBER||'</sendingUnit>
    <sendingPerson>'||v_scientist_name||'</sendingPerson>
    <notification>'||v_scientist_email||'</notification>
    <creationDate>'||v_create_date||'</creationDate>
</header>
<entities xmlns="">
for rec in build_data loop
    begin
      -- get primas code for current construct
      select fkprimas
      into v_primas_code
      from construct
      where constructid = rec.constructid;
    exception when no_data_found then
      v_primas_code := null;
    end;
    begin
      -- get nominator name for current construct
      select full_name
      into v_nominator_name
      from v_nominators
      where nominator_id = rec.u_nominator;
    exception
      when no_data_found then
        v_nominator_name := null;
      when invalid_number then
        v_nominator_name := catt_pkg.full_name_from_user_id(p_user_id => rec.u_nominator);
        v_nominator_name := 'Test, Christine';
    end;
    v_xml_body := '
      <Construct>
      <requestBUID>'||rec.u_catt_request_buid||'</requestBUID>
      <requestName>'||rec.u_catt_request_name||'</requestName>
      <cassetteBUID>'||rec.u_catt_cassette_buid||'</cassetteBUID>
      <cassetteName>'||rec.u_catt_cassette_name||'</cassetteName>
      <scientist>'||v_scientist_name||'</scientist>
      <projectNumber>'||v_primas_code||'</projectNumber>
      <subProject>'||rec.u_sub_project||'</subProject>
      <comments>'||rec.description||'</comments>
      <nominator>'||v_nominator_name||'</nominator>
      <goingToVqc>'||rec.u_going_to_vqc||'</goingToVqc>
      <primaryTrait>'||rec.u_primary_trait||'</primaryTrait>
      <sourceMatPrvd>'||rec.u_source_mat_prvd||'</sourceMatPrvd>
      <prokaryoticResistance>'||rec.u_pro_resistance_1||'</prokaryoticResistance>
      <vectorType>'||rec.u_vector_type||'</vectorType>
      <priority>'||rec.u_my_priority||'</priority>
      <immediateTrafo>'||rec.u_immediate_trafo||'</immediateTrafo>
      <newComponent>'||rec.u_new_bps_cmpnt||'</newComponent>
      <componentName>'||rec.u_compnt_name||'</componentName>
      <newComponentDescription>'||rec.u_new_cmpt_desc||'</newComponentDescription>
      <targetCrop>'||rec.u_target_crop||'</targetCrop>
      <Line>'||rec.u_corn_line||'</Line>
      <plantSelection>'||rec.u_plant_selection||'</plantSelection>
      <numOfIndEvents>'||rec.u_num_of_ind_events||'</numOfIndEvents>
      <numOfPlantsPerEvent>'||rec.u_num_plants_per_event||'</numOfPlantsPerEvent>
      <molecularQualityEvents>'||rec.u_molecular_quality_events||'</molecularQualityEvents>
      <toField>'||rec.u_field||'</toField>
      <potentialPhenotype>'||rec.u_potential_phenotype||'</potentialPhenotype>
      </Construct>
    ';    --modified by AustinJ
    dbms_lob.writeappend( v_xml_data, length(v_xml_body), v_xml_body);   --added by AustinJ
end loop;
-- complete xml data
v_xml_footer := '
      </entities>
    </exchange>
-- complete submission data
v_page_item := null;
v_page_item := v_xml_info||v_xml_header||wwv_flow.do_substitutions(wwv_flow_utilities.clob_to_varchar2(v_xml_data))||v_xml_footer;   --added by AustinJ
:P36_XML_SUBMISSION := trim(v_page_item);   --added by AustinJ
    dbms_lob.close( v_xml_data); --added by AustinJ
    if v_xml_data is not null then
        dbms_lob.freetemporary(v_xml_data);   --added by AustinJ
    end if; --added by AustinJ
end;This code will use the Database to construct your clob and then convert it back to a varchar2 for output to your webservice. This makes more sense to me now and hopefully you can follow what the process is doing.
You don't technically need the two varchar2(36767) variables. I used two for naming convention clarity sake. You could use just one multipurpose variable instead.
If you have any questions, just ask. I'll help if I can.
Austin
Edited by: AustinJ on Dec 20, 2011 12:17 PM
Fixed spelling mistakes.

XML Reading Using Java Servlet

I need some help in reading xml file using java servlet.
May i have some sample codes to read xml files?
I would really appreciate your help. Thanks!!!

This grabs a url and parses it with a servlet.
URL befreeUrl = new URL(urlString);
uri = new URI(urlString);
URLConnection yc = befreeUrl.openConnection();
BufferedReader in = new BufferedReader(new InputStreamReader(yc.getInputStream()));
SAXParserFactory factory = SAXParserFactory.newInstance();
SAXParser parser = factory.newSAXParser();
factory.setValidating(true);
out = new OutputStreamWriter(System.out, "UTF8");
DefaultHandler handler = new BeFreeRequestSAXParser(); /* custom handler class */;
parser.parse(uri.toString(), handler);
in.close();

How to pass XML tags in a soapbody parameter having datatype as string?

Hi,
I need to pass XML tags as a String parameter in SOAP:Body.
When I tried send SOAP Request, The SOAP Request was changing < to <
and > to > respectively. Is there any way to ensure that the XML tags (< and >) remain as it is without getting changed.
I also tried to retrieve XML file and stored in a StringBuffer and tried to send SOAP Request but i am still receiving the < and > tags in my SOAP Request.
Pl suggest some alternatives to avoid storing the XML in the form of string and instead directly store the XML into a XML Node so that i can avoid the above condition
Thanks in advance,
gnsinhyd

Hi,
The sample code I used is as follows:
package somepackage;
import javax.mail.internet
import javax.xml.messaging.*;
import javax.xml.soap.*;
import javax.xml.transform.*;
import javax.activation.*;
public class SomeClassName{
// Some namespace declarations
public static void main(String[] args) throws someExceptions{
try
// Create the connection
SOAPConnectionFactory connectionFactory = SOAPConnectionFactory.newInstance();
SOAPConnection connection = connectionFactory.createConnection();
// create a new SOAP message using SAAJ API�s
MessageFactory messageFactory = MessageFactory.newInstance();
SOAPMessage request = messageFactory.createMessage();
// Create a SoapAction header
MimeHeaders headers = request.getMimeHeaders();
headers.addHeader("SOAPAction", "soapaction url");
// Object for SOAP Message parts
SOAPPart part = request.getSOAPPart();
SOAPEnvelope envelope = part.getEnvelope();
envelope.addNamespaceDeclaration("xsd","http://www.w3.org/2001/XMLSchema");
envelope.addNamespaceDeclaration("xsi","http://www.w3.org/2001/XMLSchema-instance");
//envelope.addNamespaceDeclaration("enc","http://schemas.xmlsoap.org/soap/encoding/");
envelope.addNamespaceDeclaration("soap","http://schemas.xmlsoap.org/soap/envelop/");
//envelope.setEncodingStyle("http://schemas.xmlsoap.org/soap/encoding/");
SOAPBody body = envelope.getBody();
SOAPHeader header = envelope.getHeader();
// Now, build the ClaimStorage element in the body for our request
Name somename = envelope.createName("somename");
// � and configure it with the specifics of our request
SOAPElement ClaimStorage = body.addTextNode("somename");
ClaimStorage.addNamespaceDeclaration("xmlns","url");
ClaimStorage.addChildElement(somename).addTextNode("somename");
ClaimStorage.addChildElement(xmlclaim).addTextNode("<XMLTAGS">); <---THE PROBLEM IS HERE
----> THE XML TAGS < > ARE CHANGING TO &LT; AND &GT; MOST PROBABLY DUE TO POST I THINK.
// Save Message
request.saveChanges();
// View SOAP Request
System.out.println("\n Soap Request:\n");
request.writeTo(System.out);
System.out.println();
// Now, create a connection to the HTTP SOAP endpoint
URLEndpoint endpoint = new URLEndpoint("url.asmx");
// Send request, view response. In a real program, we�d process the response envelope programmatically to see if there was a fault, etc.
System.out.println("request =\n" + request);
SOAPMessage response = connection.call(request, endpoint);
// View the output
System.out.println("\nXML Response\n");
// Create Transformer
TransformerFactory tff = TransformerFactory.newInstance();
Transformer tf = tff.newTransformer();
// Get reply content
Source sc = response.getSOAPPart().getContent();
System.out.println("SOAP Body" + response.getSOAPBody());
// Set output transformation
StreamResult result = new StreamResult(System.out);
tf.transform(sc, result);
System.out.println();
// Close connection
connection.close();
System.out.println("\nResponse =\n" + response);
catch (Exception e)
e.printStackTrace();
Pl. reply as soon as possible
Thanks in advance

Here's how to pass XML as a parameter to an Oracle stored proc

This, or something like it, should be all over the web and I intend to do so.
The first sample has exactly what you need in order to pass "XML" as a parm to a stored proc.
http://www.oracle-base.com/forums/viewtopic.php?f=2&t=8468

> Really, what is the difference between the 2?
"What is a...?" questions are easily answered by Google. Generally speaking, however, "JavaScript" is Netscape's implementation of ECMAScript, a scripting language primarily for client-side development for a web browser. "Java" is an entire platform, but typically refers to an object-oriented programming language that is typically compiled to bytecode and run in a virtual machine.
They're not the same thing at all.
~

How to Create an XML document from XSQL servlet which follows a particular DTD struct

how to Create an XML document from XSQL servlet which follows a particular DTD structure.Could anyone send me a sample code for this.

You'll need to associate an XSLT transformation with your XSQL page that transforms the canonical result into your DTD-valid format.
For example, given an XSQL page like:
<?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="rss.xsl" ?>
<xsql:query max-rows="3" connection="demo" xmlns:xsql="urn:oracle-xsql">
select title,id,description,url,to_char(timestamp,'Mon DD') timestamp
from site_entry
order by id desc
</xsql:query>and an "rss.xsl" stylesheet that looks like this:
<?xml version="1.0"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="xml" indent="yes" doctype-system="rss-0.91.dtd"/>
<xsl:template match="/">
<xsl:for-each select="ROWSET/ROW">
<rss version="0.91">
<channel>
<title>Do You XML?</title>
<link>http://xml.us.oracle.com</link>
<description>Oracle XML Website Demo</description>
<language>en-us</language>
<xsl:for-each select="ITEM">
<item>
<title><xsl:value-of select="TITLE"/></title>
<link><xsl:value-of select="URL"/></link>
<description><xsl:value-of select="DESCRIPTION"/></description>
</item>
</xsl:for-each>
</channel>
</rss>
</xsl:for-each>
</xsl:template>
</xsl:stylesheet>You produce DTD-valid output against the rss-0.91.dtd DTD that looks like:
<?xml version = '1.0' encoding = 'UTF-8'?>
<!DOCTYPE rss SYSTEM "rss-0.91.dtd">
<rss version="0.91">
<channel>
<title>Do You XML?</title>
<link>http://xml.us.oracle.com</link>
<description>Oracle XML Website Demo</description>
<language>en-us</language>
</channel>
</rss>
<rss version="0.91">
<channel>
<title>Do You XML?</title>
<link>http://xml.us.oracle.com</link>
<description>Oracle XML Website Demo</description>
<language>en-us</language>
</channel>
</rss>
<rss version="0.91">
<channel>
<title>Do You XML?</title>
<link>http://xml.us.oracle.com</link>
<description>Oracle XML Website Demo</description>
<language>en-us</language>
</channel>
</rss>

Passing checkBox value to another servlet

hey! there,
I am pretty new for java servlet. I am having trouble for passing the name of the checkbox in another servlet.
The situation goes like this.
I have a page where dynamically checkboxes are created based on the number of accounts associated with the user in the database. I have pulled out the information from the database to display in the table where one column is for check box. Now I have to pass the name of the checkbox to the another servlet where I have to ckeck whether the check box value is false or true.
If the number of check box is static, I could have given the specific name which can be passed to the next servlet easily but the I don't know how many checkbox it comes up in the table.
Since I am new to Java, I could not figure out how to name that ckeckbox in the page and pass it to the another servlet page.
Note that the pages are entirely Servlet.
Any help would be heartly, appriciated

hi beg,
One way to this is
Servlet code
for i = 1 to noOFUSers
String x = "<INPUT TYPE=CHECKBOX NAME='user' "+i "
"put x in screen
The HTML generated should post to 2nd servlet
IInd servlet code
Enumeration paramNames =
request.getParameterNames();
while(paramNames.hasMoreElements()) {
String paramName =
(String)paramNames.nextElement();
if(!paramName.startsWith("user"))// same string as
checkbox name
continue;
}else{
String paramValue =
request.getParameterValue(paramName);
/ do u r processing on paramValue
}Another way is to use the same name attribute for all of them
<INPUT TYPE=CHECKBOX NAME='user' >Then, at the second servlet, call
String[] users = request.getParameterValues("name");and iterate over the string array.

Passing form values to a Servlet

I am trying to pass form value to a servlet once the user presses the submit button. How can I get access to the form values?
Thanks

Try this in your servlet.
HttpSession session = request.getSession(true);
System.out.println(request.getParameter("xxxxx").toString());
xxxx is the parameter name..
Doesn't this work?

XI sent an XML file to my Servlet(J2EE appl), how to display?

Hi all!
I have a scenario like FIle->XI->J2EE appl.
How to test whether XI is sending XML file to my Servlet(J2EE appl). I have to display the same XML file as it is in browser using Servlet/JSP.
Code help is highly appreciated.
Thanks!

Hi Uma!
Thanks for your answer.
The code is not displaying any thing on browser.
I deployed the appl on Weblogic9.0 server. How to test whether XI is sending the XML file to my J2EE appl.
I have used NWDS2.0.9 for developing J2EE appl.
This is my application.xml file:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE application PUBLIC "-//Sun Microsystems, Inc.//DTD J2EE Application 1.3//EN"
"http://java.sun.com/dtd/application_1_3.dtd">
<application>
    <display-name>HTTPReceiver_EAR</display-name>
    <description>EAR description</description>
    <module>
        <web>
            <web-uri>HttpReceiver.war</web-uri>
            <context-root>/Invoke</context-root>
        </web>
    </module>
</application>
This is my web.xml:
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/dtd/web-app_2_3.dtd">
<web-app>
    <display-name>WEB APP</display-name>
    <description>WEB APP description</description>
    <servlet>
        <servlet-name>DisplayRes</servlet-name>
        <servlet-class>com.abc.DisplayRes</servlet-class>
    </servlet>
    <servlet-mapping>
          <servlet-name>DisplayRes</servlet-name>
          <url-pattern>/DisplayRes/*</url-pattern>
     </servlet-mapping>
</web-app>
public class DisplayRes extends HttpServlet {
     public void doGet(HttpServletRequest requset, HttpServletResponse response) throws ServletException, IOException
          doWork(requset, response);
     public void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException
          doWork(req, resp);
     private void doWork(HttpServletRequest req, HttpServletResponse resp) throws IOException
          String path = null;
          Writer out = null;
          //PrintWriter out = null;
          PrintWriter p2=resp.getWriter();
          //ServletOutputStream outp = resp.getOutputStream();
          //p2.println("This is doWork");
          try
               resp.setContentType("text/xml");
               out = resp.getWriter();
          //     out.println("hi");
               path = req.getPathInfo();
               //p2.println("path is"+ path);
               if(req.getContentLength() != -1){
               outputURI(req.getInputStream(), out);
          } catch (IOException ioe) {
               p2.println("IOException "+ ioe);
               //return;
     //private void outputURI(InputStream resultStream, Writer out) {
          private void outputURI(InputStream resultStream, Writer out) {
          if (resultStream == null) {
//             no default file
//            logger.error("No File to return");
            return;
          try {
          DocumentBuilder parser = DocumentBuilderFactory.newInstance().newDocumentBuilder();
//            Class clazz = loader.loadClass("org.apache.xerces.jaxp.DocumentBuilderFactoryImpl");
//            DocumentBuilderFactoryImpl factory = (DocumentBuilderFactoryImpl) clazz.newInstance();
//            DocumentBuilder parser = factory.newDocumentBuilder();
          parser.setEntityResolver(new ClassPathEntityResolver());
          printXML(parser.parse(resultStream), out);
          resultStream.close();
          } catch (Exception e) {
//            logger.error("Trying to parse the output " , e);
     //private void printXML(Document document, Writer writer) throws Exception {
          private void printXML(Document document, Writer writer) throws Exception {
          Transformer transformer = TransformerFactory.newInstance().newTransformer();
          Source source = new DOMSource(document);
          Result output = new StreamResult(System.out);
          transformer.transform(source, output);
//             Write as XML so that entity references can be resolved.
          if (writer != null) {
          transformer.transform(source, new StreamResult(writer));
Help is highly rewarded.
Thanks

Passing xml as string to xmlPanel function

hello Genius,
I am using XML2UI feature of Extending Flash. I want to pass
XML through string in place of xml file in xmlPanel function.
is there any way to avoid creating 20 xml files and
distributing them as my planned extension have 20 ui's.
thanks in advance.

Hai Shyam,
I have tried to do as u have mentioned but still its not taking it as a paramater.
i mean the API say
parse
public void parse(InputSource input) throws IOException,
SAXExceptionParse an XML document.
The application can use this method to instruct the XML reader to begin parsing an XML document from any valid input source (a character stream, a byte stream, or a URI).
Is is any way to convert string to (char stream or byte stream).
Thanks a lot
Pooja.

Using Berkeley XML DB in a servlet

h2. Problem:
I have a servlet using Berkeley XML DB as listed in the code snippet below. For simplicity I have removed the exception handling from the code snippet. When I invoke the servlet several times, the memory usage goes high and gets released only when the application is undeployed i.e when the destroy() method is called.
h2. Questions:
1. Is this the best way to use Berkeley XML DB in a servlet?
2. What other techniques can be adopted to release memory held by XmlManager, XmlContainer and Environment?
Please help!
Thanks,
Madhav
h2. Code Snippet:
public class MyServlet extends HttpServlet {
String containerName = "mycontainer";
String content = "<hello>Hello World</hello>";
String environmentDir = ".";
XmlManager mgr = null;
XmlContainer cont = null;
Environment env = null;
public void init(ServletConfig config) throws ServletException {
EnvironmentConfig config = new EnvironmentConfig();
env = new Environment( new File(envHome), config);
XmlManagerConfig mconfig = new XmlManagerConfig();
mgr = new XmlManager(env, mconfig);
XmlContainerConfig cconfig = new XmlContainerConfig();
cont = mgr.createContainer(containerName, cconfig);
public void destroy() {
try {
if (cont != null)
cont.delete();
if (mgr != null)
mgr.delete();
if (env != null)
env.close();
} catch (Exception e) {
// ignore exceptions in cleanup
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException {
for (int i =; i < 5000; i++) {
XmlTransaction txn = mgr.createTransaction();
cont.putDocument(txn, newDocName, content);
txn.commit();
}

Hi,
I guess you posted not all code since I can't see for example configuring an environment for transaction support.
Is your servlet doing only what is described in the doGet() method?
Did you try to launch a stand-alone application and execute method doGet() multiple times? What happens with memory?
Maybe you are using in-memory logging?
Vyacheslav
UPD: Probably you don't want to create and commit a txn for every small document. Grouping some of documents in the scope of a single transaction might help. I'm not sure about memory, but in terms of efficiency it's faster
Edited by: detonator413 on Nov 13, 2009 11:38 PM
Edited by: detonator413 on Nov 14, 2009 12:38 AM

Passing xml as Patameter to servlet (Catalina)

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