Hi,

when I import the wsdl file in salesforce I got this type of error please help me on this issue please help me how to solve this.

"Apex Generation Failed.Unable to find schema for element; {http://www.w3.org/2001/xmlSchema}boolean"

I am getting this error while creating apex from WSDL.

Unable to find schema for element; {http://www.w3.org/2001/XMLSchema}string

this is my wsdl（from axis2 web service）, someone help me?

<wsdl:definitions xmlns:http="http://schemas.xmlsoap.org/wsdl/http/" xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/" xmlns:s="http://www.w3.org/2001/XMLSchema" xmlns:tns="http://www.example.org/isms/" targetNamespace="http://www.example.org/isms/" xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/">
<wsdl:types>
<s:schema targetNamespace="http://www.example.org/isms/">
<s:element name="isms">
<s:complexType>
<s:sequence>
<s:element name="in" type="s:string"/>
</s:sequence>
</s:complexType>
</s:element>
<s:element name="ismsResponse" type="s:string" />
<s:element name="ismsRequest" type="s:string" />
</s:schema>
</wsdl:types>
<wsdl:message name="ismsRequest">
<wsdl:part name="parameters" element="tns:ismsRequest">
</wsdl:part>
</wsdl:message>
<wsdl:message name="ismsResponse">
<wsdl:part name="parameters" element="tns:ismsResponse">
</wsdl:part>
</wsdl:message>
<wsdl:portType name="isms">
<wsdl:operation name="isms">
<wsdl:input message="tns:ismsRequest">
</wsdl:input>
<wsdl:output message="tns:ismsResponse">
</wsdl:output>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="ismsSOAP" type="tns:isms">
<soap:binding style="document" transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="isms">
<soap:operation soapAction="http://www.example.org/isms/isms"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="isms">
<wsdl:port name="ismsSOAP" binding="tns:ismsSOAP">
<soap:address location="http://172.168.2.235:8080/axis2/services/isms/"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>