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https://issues.apache.org/jira/browse/CXF-6874?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Colm O hEigeartaigh resolved CXF-6874.
--------------------------------------
Resolution: Fixed
NPE is already fixed
> NPE During Code Generation By Maven Plug-In If Name Collision
> -------------------------------------------------------------
>
> Key: CXF-6874
> URL: https://issues.apache.org/jira/browse/CXF-6874
> Project: CXF
> Issue Type: Bug
> Components: Build system
> Affects Versions: 3.1.6
> Reporter: Scott Pedigo
> Priority: Major
>
> NPE if, in an XSD for a web service, types for the input and the output have
> elements with the same name and base type, but not the same restrictions
> (e.g. string type, but with min and max length defined for the input element,
> whereas just plain string for the output element).
> See the elements {{businessRelationshipId}}, {{title}}, and
> {{sourceSessionId}} for example, in the following:
> {code:title=Example XSD Which Causes NPE}
> <?xml version="1.0" encoding="UTF-8"?>
> <xsd:schema
> xmlns:xsd =
> "http://www.w3.org/2001/XMLSchema";
> xmlns:tns =
> "http://www.ubs.com/PrinterBasket/V1";
> targetNamespace = "http://www.ubs.com/PrinterBasket/V1";
> >
> <!-- PrinterBasket v1.1.5 WSDL - 25.02.2013 -->
> <xsd:include schemaLocation="ReturnCode.xsd" />
>
> <xsd:complexType name="GetBasketItemInformation">
> <xsd:sequence>
> <xsd:element name="businessRelationshipId"
> minOccurs="1" maxOccurs="1">
> <xsd:annotation>
> <xsd:documentation>Standard UBS identifier for a business
> relationship. Alphanumeric.</xsd:documentation>
> </xsd:annotation>
> <xsd:simpleType>
> <xsd:restriction base="xsd:string">
> <xsd:minLength value="0" />
> <xsd:maxLength value="16" />
> </xsd:restriction>
> </xsd:simpleType>
> </xsd:element>
> <xsd:element name="title" minOccurs="1" maxOccurs="1">
> <xsd:annotation>
> <xsd:documentation></xsd:documentation>
> </xsd:annotation>
> <xsd:simpleType>
> <xsd:restriction base="xsd:string">
> <xsd:minLength value="1" />
> <xsd:maxLength value="100" />
> </xsd:restriction>
> </xsd:simpleType>
> </xsd:element>
> <xsd:element name="sourceProcess" minOccurs="1"
> maxOccurs="1">
> <xsd:simpleType>
> <xsd:restriction base="xsd:string">
> <xsd:minLength value="1" />
> <xsd:maxLength value="100" />
> </xsd:restriction>
> </xsd:simpleType>
> </xsd:element>
> <xsd:element name="sourceBusinessSessionId"
> minOccurs="0" maxOccurs="1">
> <xsd:simpleType>
> <xsd:restriction base="xsd:string">
> <xsd:minLength value="1" />
> <xsd:maxLength value="50" />
> </xsd:restriction>
> </xsd:simpleType>
> </xsd:element>
> </xsd:sequence>
> </xsd:complexType>
> <xsd:element name="getBasketItemInformation"
> type="tns:GetBasketItemInformation" />
> <xsd:complexType name="GetBasketItemInformationResponse">
> <xsd:annotation>
> <xsd:documentation>
> <![CDATA[
> <p><b>ReturnCodes:</b>
> </p>
> <p>Type I (Information):
> </p>
> <p>Type W (Warning):
> </p>
> <p>Type E (Error):
> </p>
> <p>Type S (Severe):
> </p>
> ]]>
> </xsd:documentation>
> </xsd:annotation>
> <xsd:sequence>
> <xsd:element name="businessRelationshipId"
> type="xsd:string" minOccurs="1" maxOccurs="1" />
> <xsd:element name="title" type="xsd:string"
> minOccurs="1" maxOccurs="1" />
> <xsd:element name="sourceBusinessSessionId"
> type="xsd:string" minOccurs="1" maxOccurs="1" />
> <xsd:element name="dispatchStatus" type="xsd:string"
> minOccurs="1" maxOccurs="1" />
> <xsd:element name="dispatchCount" type="xsd:int"
> minOccurs="1" maxOccurs="1" />
> <xsd:element name="dispatchDate" type="xsd:date"
> minOccurs="1" maxOccurs="1" />
> <xsd:element name="dispatchGPN" type="xsd:string"
> minOccurs="1" maxOccurs="1" />
> <xsd:element name="purpose" type="xsd:string"
> minOccurs="1" maxOccurs="1" />
>
> <xsd:element name="rc" type="tns:ReturnCode" minOccurs="0"
> maxOccurs="10" />
> </xsd:sequence>
> </xsd:complexType>
> <xsd:element name="getBasketItemInformationResponse"
> type="tns:GetBasketItemInformationResponse" />
> </xsd:schema>
> {code}
> {code:title=Console Output From Maven Build With NPE}
> [ERROR] Failed to execute goal
> org.apache.cxf:cxf-codegen-plugin:3.1.6:wsdl2java (genContractWS) on project
> HPC_IMCLocalAdapterCHDocBasket: Execution genContractWS of goal
> org.apache.cxf:cxf-codegen-plugin:3.1.6:wsdl2java failed:
> java.lang.NullPointerException -> [Help 1]
> org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute
> goal org.apache.cxf:cxf-codegen-plugin:3.1.6:wsdl2java (genContractWS) on
> project HPC_IMCLocalAdapterCHDocBasket: Execution genContractWS of goal
> org.apache.cxf:cxf-codegen-plugin:3.1.6:wsdl2java failed:
> java.lang.NullPointerException
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:225)
>
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
>
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
>
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:84)
>
> at
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:59)
>
> at
> org.apache.maven.lifecycle.internal.LifecycleStarter.singleThreadedBuild(LifecycleStarter.java:183)
>
> at
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:161)
>
> at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:320)
> at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:156)
> at org.apache.maven.cli.MavenCli.execute(MavenCli.java:537)
> at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:196)
> at org.apache.maven.cli.MavenCli.main(MavenCli.java:141)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
>
> at java.lang.reflect.Method.invoke(Method.java:606)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:290)
>
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:230)
> at
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:409)
>
> at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:352)
> Caused by: org.apache.maven.plugin.PluginExecutionException: Execution
> genContractWS of goal org.apache.cxf:cxf-codegen-plugin:3.1.6:wsdl2java
> failed: java.lang.NullPointerException
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:110)
>
> at
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:209)
>
> ... 19 more
> Caused by: org.apache.cxf.tools.common.ToolException:
> java.lang.NullPointerException
> at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:424)
>
> at
> org.apache.cxf.tools.common.toolspec.ToolRunner.runTool(ToolRunner.java:103)
> at org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:113)
> at org.apache.cxf.tools.wsdlto.WSDLToJava.run(WSDLToJava.java:86)
> at
> org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.generate(WSDL2JavaMojo.java:415)
>
> at
> org.apache.cxf.maven_plugin.AbstractCodegenMoho.execute(AbstractCodegenMoho.java:260)
>
> at
> org.apache.cxf.maven_plugin.wsdl2java.WSDL2JavaMojo.execute(WSDL2JavaMojo.java:512)
>
> at
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:101)
>
> ... 20 more
> Caused by: java.lang.NullPointerException
> at
> org.apache.cxf.tools.wsdlto.frontend.jaxws.validator.WrapperStyleNameCollisionValidator.isValidOperation(WrapperStyleNameCollisionValidator.java:170)
>
> at
> org.apache.cxf.tools.wsdlto.frontend.jaxws.validator.WrapperStyleNameCollisionValidator.checkNameCollision(WrapperStyleNameCollisionValidator.java:62)
>
> at
> org.apache.cxf.tools.wsdlto.frontend.jaxws.validator.WrapperStyleNameCollisionValidator.isValid(WrapperStyleNameCollisionValidator.java:55)
>
> at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.validate(WSDLToJavaContainer.java:738)
>
> at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.processWsdl(WSDLToJavaContainer.java:280)
>
> at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:165)
>
> at
> org.apache.cxf.tools.wsdlto.WSDLToJavaContainer.execute(WSDLToJavaContainer.java:416)
>
> ... 27 more
> [ERROR]
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/PluginExecutionException
> [ERROR]
> [ERROR] After correcting the problems, you can resume the build with the
> command
> [ERROR] mvn <goals> -rf :HPC_IMCLocalAdapterCHDocBasket
> {code}
> {code:title=public class WrapperStyleNameCollisionValidator}
> if (output != null) {
> List<WrapperElement> els =
> ProcessorUtil.getWrappedElement(context, output.getElementQName());
> if (els.size() > 1) {
> for (WrapperElement element : els) {
> String mappedName = mapElementName(operation,
>
> operation.getUnwrappedOperation().getOutput(),
> element);
> *mappedName is null here*
> ===> if (names.containsKey(mappedName)
> && !(names.get(mappedName) ==
> element.getSchemaTypeName()
> ||
> names.get(mappedName).equals(element.getSchemaTypeName()))) {
> handleErrors(names.get(mappedName), element);
> return false;
> } else {
> names.put(mappedName,
> element.getSchemaTypeName());
> }
> }
> }
> }
> {code}
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