I have created below webservice to  call soap webservice but i cannot call the webservice.
I am getting below error while calling  the web service
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Error
System.CalloutException: IO Exception: Detect premature EOF
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Code

public class soapWebserviceForHomeKeepers {
    public static long soapWebserviceForAgencyData(){        
        serviceArmHudGov.ArmServiceImplPort innerobj=new serviceArmHudGov.ArmServiceImplPort();
        innerobj.inputHttpHeaders_x = new Map<String, String>();
        //Request time out
        innerobj.timeout_x=3000;
        
        //Login information
        String username = '*****';
        String password = '*****';
        
        //Basic Authorization
        Blob headerValue = Blob.valueOf(username + ':' + password);
        String authorizationHeader = 'Basic ' +EncodingUtil.base64Encode(headerValue);         
        innerobj.inputHttpHeaders_x.put('Authorization',authorizationHeader);  
      //  innerobj.inputHttpHeaders_x.put('Authorization','Basic TVgxNTg3OkFybTV0c3Q=');  
        
        
      
        // innerobj.clientCertName_x ='arm_test';
        innerobj.clientCert_x ='MFl6ajAwMDAwMDBFclo3ITQhMENrR1p2ZEZDMzVaQjhPV3NoZi8xRytRUTJtN3NsejAyS1gxSXdab1l2ST0=';
        innerobj.clientCertPasswd_x = '*****';    
        
        //Submission Header
        serviceArmHudGov.submissionHeader5_0_element submissionHeader5_0_elementObj= new serviceArmHudGov.submissionHeader5_0_element();
        submissionHeader5_0_elementObj.agcHcsId='******';
        submissionHeader5_0_elementObj.agcName='*****';
        submissionHeader5_0_elementObj.fiscalYearId='*****';
        submissionHeader5_0_elementObj.cmsVendorId='*****';
        submissionHeader5_0_elementObj.cmsPassword='*****';        
       
        //End Point Url
        innerobj.endpoint_x='https://armpilot.hud.gov/ARM/ARM/';   
                
        

        
        //Agency Data in xml
        String submissionData = '<?xml version="1.0" encoding="UTF-8"?><tns:SubmissionData xsi:schemaLocation="http://gov.hud.arm/agency_profile_databag_5_0 agency_profile_databag_5_0.xsd" xmlns:tns="http://gov.hud.arm/agency_profile_databag_5_0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><tns:AgencyProfileData><tns:Agency_EIN>38-6142925</tns:Agency_EIN><tns:Reported_Month>6</tns:Reported_Month><tns:Agency_DUN_Nbr>172773500</tns:Agency_DUN_Nbr><tns:Agency_Physical_Address1>38505 Country Club Dr</tns:Agency_Physical_Address1><tns:Agency_Physical_Address2>Suite 210</tns:Agency_Physical_Address2><tns:Agency_Physical_City>Farmington Hills</tns:Agency_Physical_City><tns:Agency_Physical_State>28</tns:Agency_Physical_State><tns:Agency_Physical_Zip>48331</tns:Agency_Physical_Zip><tns:Agency_Website>http://www.greenpath.com</tns:Agency_Website><tns:Agency_Phone_Nbr>248-553-5400</tns:Agency_Phone_Nbr><tns:Agency_Tollfree_Phone_Nbr>888-860-4167</tns:Agency_Tollfree_Phone_Nbr><tns:Agency_Fax_Nbr>248-553-8970</tns:Agency_Fax_Nbr><tns:Agency_Email>N/A</tns:Agency_Email><tns:Agency_Faith_Based_Ind>N</tns:Agency_Faith_Based_Ind><tns:Agency_Colonias_Ind>N</tns:Agency_Colonias_Ind><tns:Agency_Migrfarm_Worker_Ind>N</tns:Agency_Migrfarm_Worker_Ind><tns:Agency_Counseling_Budget_Amount>0.00</tns:Agency_Counseling_Budget_Amount><tns:Agency_Counseling_Methods><tns:Counseling_Method>1</tns:Counseling_Method><tns:Counseling_Method>2</tns:Counseling_Method></tns:Agency_Counseling_Methods><tns:Agency_Languages><tns:Language>19</tns:Language><tns:Language>20</tns:Language></tns:Agency_Languages></tns:AgencyProfileData><tns:Agency_Contacts><tns:Agency_Contact><tns:Contact_Type>11</tns:Contact_Type><tns:Contact_Fname>Setina</tns:Contact_Fname><tns:Contact_Lname>Briggs</tns:Contact_Lname><tns:Contact_Title>1</tns:Contact_Title><tns:Contact_Address1>38505 Country Club Dr</tns:Contact_Address1><tns:Contact_Address2>Suite 210</tns:Contact_Address2><tns:Contact_City>Farmington Hills</tns:Contact_City><tns:Contact_State>28</tns:Contact_State><tns:Contact_Zip>48331</tns:Contact_Zip><tns:Contact_Phone_Nbr>248-553-5400</tns:Contact_Phone_Nbr><tns:Contact_Ext_Nbr>2463</tns:Contact_Ext_Nbr><tns:Contact_Fax_Nbr>248-553-8970</tns:Contact_Fax_Nbr><tns:Contact_Email>sbriggs@greenpath.com</tns:Contact_Email></tns:Agency_Contact><tns:Agency_Contact><tns:Contact_Type>2</tns:Contact_Type><tns:Contact_Fname>Setina</tns:Contact_Fname><tns:Contact_Lname>Briggs</tns:Contact_Lname><tns:Contact_Title>1</tns:Contact_Title><tns:Contact_Address1>38505 Country Club Dr</tns:Contact_Address1><tns:Contact_Address2>Suite 210</tns:Contact_Address2><tns:Contact_City>Farmington Hills</tns:Contact_City><tns:Contact_State>28</tns:Contact_State><tns:Contact_Zip>48331</tns:Contact_Zip><tns:Contact_Phone_Nbr>248-553-5400</tns:Contact_Phone_Nbr><tns:Contact_Ext_Nbr>2463</tns:Contact_Ext_Nbr><tns:Contact_Fax_Nbr>248-553-8970</tns:Contact_Fax_Nbr><tns:Contact_Email>sbriggs@greenpath.com</tns:Contact_Email></tns:Agency_Contact><tns:Agency_Contact><tns:Contact_Type>3</tns:Contact_Type><tns:Contact_Fname>Setina</tns:Contact_Fname><tns:Contact_Lname>Briggs</tns:Contact_Lname><tns:Contact_Title>1</tns:Contact_Title><tns:Contact_Address1>38505 Country Club Dr</tns:Contact_Address1><tns:Contact_Address2>Suite 210</tns:Contact_Address2><tns:Contact_City>Farmington Hills</tns:Contact_City><tns:Contact_State>28</tns:Contact_State><tns:Contact_Zip>48331</tns:Contact_Zip><tns:Contact_Phone_Nbr>248-553-5400</tns:Contact_Phone_Nbr><tns:Contact_Ext_Nbr>2463</tns:Contact_Ext_Nbr><tns:Contact_Fax_Nbr>248-553-8970</tns:Contact_Fax_Nbr><tns:Contact_Email>sbriggs@greenpath.com</tns:Contact_Email></tns:Agency_Contact></tns:Agency_Contacts></tns:SubmissionData>';
       
        //base 64 encodding
       
         Blob submissionDataBlob = Blob.valueOf(submissionData);
         string submissionDataBlobvalue = EncodingUtil.base64Encode(submissionDataBlob);
        
        //Call webservices
        long submissionId= innerobj.postAgencyData(submissionHeader5_0_elementObj,'TEXT/XML',submissionDataBlobvalue);
        return submissionId;   
    }
    
    
    
}

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Please help assoon as posible.
I have created salf signed certificate from salesforce and i have also installed that certificate on my
Server.
Can any one tell me what is the issue in my code?