Stefan May created AXIS2-6049:
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Summary: Generated Exceptions differ each generation
Key: AXIS2-6049
URL: https://issues.apache.org/jira/browse/AXIS2-6049
Project: Axis2
Issue Type: Improvement
Components: codegen
Affects Versions: 1.8.0
Reporter: Stefan May
*Description:*
The Java files which are generated by the AntCodegenTask for Exceptions differ
each generation in the serialVersionUID.
This is especially bothering if the gradle cache should be used, wich requires
a fixed input. Also, the objects may not be deserialized again if the
SerialVersionUID changes each time.
*Steps to reproduce:*
Create a WSDL with a wsdl:fault element, e.g:
<?xml version="1.0" encoding="UTF-8"?>
<wsdl:definitions xmlns:soap="http://schemas.xmlsoap.org/wsdl/soap/";
xmlns:tns="http://www.example.org/";
xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/";
xmlns:xsd="http://www.w3.org/2001/XMLSchema"; name="ExampleModule"
targetNamespace="http://www.example.org/";>
<wsdl:types>
<xsd:schema targetNamespace="http://www.example.org/";>
<xsd:element name="getSolutionById">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="in" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="getSolutionByIdResponse">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="out" type="xsd:string"/>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
<xsd:element name="getSolutionByIdFault">
<xsd:complexType>
<xsd:sequence>
<xsd:element name="getSolutionByIdFault"
type="xsd:string">
</xsd:element>
</xsd:sequence>
</xsd:complexType>
</xsd:element>
</xsd:schema>
</wsdl:types>
<wsdl:message name="getSolutionByIdRequest">
<wsdl:part element="tns:getSolutionById" name="parameters"/>
</wsdl:message>
<wsdl:message name="getSolutionByIdResponse">
<wsdl:part element="tns:getSolutionByIdResponse" name="parameters"/>
</wsdl:message>
<wsdl:message name="getSolutionByIdFault">
<wsdl:part name="parameters"
element="tns:getSolutionByIdFault"></wsdl:part>
</wsdl:message>
<wsdl:portType name="ExampleModule">
<wsdl:operation name="getSolutionById">
<wsdl:input message="tns:getSolutionByIdRequest"/>
<wsdl:output message="tns:getSolutionByIdResponse"/>
<wsdl:fault name="fault"
message="tns:getSolutionByIdFault"></wsdl:fault>
</wsdl:operation>
</wsdl:portType>
<wsdl:binding name="ExampleModuleSOAP" type="tns:ExampleModule">
<soap:binding style="document"
transport="http://schemas.xmlsoap.org/soap/http"/>
<wsdl:operation name="getSolutionById">
<soap:operation
soapAction="http://www.example.org/ExampleModule/getSolutionById"/>
<wsdl:input>
<soap:body use="literal"/>
</wsdl:input>
<wsdl:output>
<soap:body use="literal"/>
</wsdl:output>
<wsdl:fault name="fault">
<soap:fault use="literal" name="fault" />
</wsdl:fault>
</wsdl:operation>
</wsdl:binding>
<wsdl:service name="ExampleModule">
<wsdl:port binding="tns:ExampleModuleSOAP" name="ExampleModuleSOAP">
<soap:address location="http://www.example.org/"/>
</wsdl:port>
</wsdl:service>
</wsdl:definitions>Generate it again, the serialVersionUID changes
*More info*
I've checked and found the corresponding issue in the file
[https://github.com/apache/axis-axis2-java-core/blob/master/modules/codegen/src/org/apache/axis2/wsdl/codegen/emitter/AxisServiceBasedMultiLanguageEmitter.java|https://github.com/wso2/wso2-axis2/blob/28a2220ba3a5547315347ecb97b512059070d15d/modules/codegen/src/org/apache/axis2/wsdl/codegen/emitter/AxisServiceBasedMultiLanguageEmitter.java]
in line 1055, where the {{System.currentTimeMillis()}} is used for the
serialVersionUID.
A hash based on the className and the parameters would probably be better.
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